1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/************************************************************************** 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2010 VMware, Inc. 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * All Rights Reserved. 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * "Software"), to deal in the Software without restriction, including 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * without limitation the rights to use, copy, modify, merge, publish, 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * distribute, sub license, and/or sell copies of the Software, and to 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * permit persons to whom the Software is furnished to do so, subject to 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the following conditions: 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * next paragraph) shall be included in all copies or substantial portions 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * of the Software. 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org **************************************************************************/ 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * @file 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Texture sampling -- AoS. 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * @author Jose Fonseca <jfonseca@vmware.com> 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * @author Brian Paul <brianp@vmware.com> 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_defines.h" 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_state.h" 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_debug.h" 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_dump.h" 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_memory.h" 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_math.h" 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_format.h" 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_cpu_detect.h" 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_bld_debug.h" 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_bld_type.h" 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_bld_const.h" 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_bld_conv.h" 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_bld_arit.h" 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_bld_bitarit.h" 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_bld_logic.h" 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_bld_swizzle.h" 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_bld_pack.h" 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_bld_flow.h" 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_bld_gather.h" 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_bld_format.h" 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_bld_init.h" 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_bld_sample.h" 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_bld_sample_aos.h" 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_bld_quad.h" 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Build LLVM code for texture coord wrapping, for nearest filtering, 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * for scaled integer texcoords. 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param block_length is the length of the pixel block along the 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * coordinate axis 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param coord the incoming texcoord (s,t,r or q) scaled to the texture size 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param length the texture size along one dimension 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param stride pixel stride along the coordinate axis (in bytes) 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param is_pot if TRUE, length is a power of two 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param wrap_mode one of PIPE_TEX_WRAP_x 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param out_offset byte offset for the wrapped coordinate 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param out_i resulting sub-block pixel coordinate for coord0 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orglp_build_sample_wrap_nearest_int(struct lp_build_sample_context *bld, 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned block_length, 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef coord, 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef coord_f, 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef length, 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef stride, 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean is_pot, 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned wrap_mode, 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *out_offset, 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *out_i) 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_context *int_coord_bld = &bld->int_coord_bld; 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuilderRef builder = bld->gallivm->builder; 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef length_minus_one; 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org length_minus_one = lp_build_sub(int_coord_bld, length, int_coord_bld->one); 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org switch(wrap_mode) { 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_REPEAT: 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(is_pot) 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord = LLVMBuildAnd(builder, coord, length_minus_one, ""); 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_context *coord_bld = &bld->coord_bld; 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef length_f = lp_build_int_to_float(coord_bld, length); 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord = lp_build_fract_safe(coord_bld, coord_f); 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord = lp_build_mul(coord_bld, coord, length_f); 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord = lp_build_itrunc(coord_bld, coord); 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_CLAMP_TO_EDGE: 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord = lp_build_max(int_coord_bld, coord, int_coord_bld->zero); 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord = lp_build_min(int_coord_bld, coord, length_minus_one); 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_CLAMP: 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_CLAMP_TO_BORDER: 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_MIRROR_REPEAT: 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_MIRROR_CLAMP: 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE: 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER: 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org default: 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(0); 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_partial_offset(int_coord_bld, block_length, coord, stride, 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org out_offset, out_i); 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Build LLVM code for texture coord wrapping, for nearest filtering, 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * for float texcoords. 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param coord the incoming texcoord (s,t,r or q) 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param length the texture size along one dimension 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param is_pot if TRUE, length is a power of two 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param wrap_mode one of PIPE_TEX_WRAP_x 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param icoord the texcoord after wrapping, as int 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orglp_build_sample_wrap_nearest_float(struct lp_build_sample_context *bld, 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef coord, 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef length, 139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean is_pot, 140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned wrap_mode, 141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *icoord) 142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_context *coord_bld = &bld->coord_bld; 144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef length_minus_one; 145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org switch(wrap_mode) { 147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_REPEAT: 148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* take fraction, unnormalize */ 149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord = lp_build_fract_safe(coord_bld, coord); 150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord = lp_build_mul(coord_bld, coord, length); 151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *icoord = lp_build_itrunc(coord_bld, coord); 152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_CLAMP_TO_EDGE: 154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org length_minus_one = lp_build_sub(coord_bld, length, coord_bld->one); 155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (bld->static_state->normalized_coords) { 156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* scale coord to length */ 157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord = lp_build_mul(coord_bld, coord, length); 158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord = lp_build_clamp(coord_bld, coord, coord_bld->zero, 160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org length_minus_one); 161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *icoord = lp_build_itrunc(coord_bld, coord); 162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_CLAMP: 165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_CLAMP_TO_BORDER: 166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_MIRROR_REPEAT: 167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_MIRROR_CLAMP: 168f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE: 169f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER: 170f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org default: 171f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(0); 172f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 173f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 174f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 175f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 176f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 177f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Build LLVM code for texture coord wrapping, for linear filtering, 178f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * for scaled integer texcoords. 179f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param block_length is the length of the pixel block along the 180f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * coordinate axis 181f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param coord0 the incoming texcoord (s,t,r or q) scaled to the texture size 182f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param length the texture size along one dimension 183f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param stride pixel stride along the coordinate axis (in bytes) 184f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param is_pot if TRUE, length is a power of two 185f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param wrap_mode one of PIPE_TEX_WRAP_x 186f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param offset0 resulting relative offset for coord0 187f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param offset1 resulting relative offset for coord0 + 1 188f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param i0 resulting sub-block pixel coordinate for coord0 189f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param i1 resulting sub-block pixel coordinate for coord0 + 1 190f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 191f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 192f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orglp_build_sample_wrap_linear_int(struct lp_build_sample_context *bld, 193f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned block_length, 194f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef coord0, 195f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *weight_i, 196f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef coord_f, 197f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef length, 198f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef stride, 199f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean is_pot, 200f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned wrap_mode, 201f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *offset0, 202f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *offset1, 203f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *i0, 204f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *i1) 205f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 206f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_context *int_coord_bld = &bld->int_coord_bld; 207f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuilderRef builder = bld->gallivm->builder; 208f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef length_minus_one; 209f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef lmask, umask, mask; 210f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 211f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 212f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * If the pixel block covers more than one pixel then there is no easy 213f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * way to calculate offset1 relative to offset0. Instead, compute them 214f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * independently. Otherwise, try to compute offset0 and offset1 with 215f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * a single stride multiplication. 216f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 217f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 218f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org length_minus_one = lp_build_sub(int_coord_bld, length, int_coord_bld->one); 219f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 220f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (block_length != 1) { 221f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef coord1; 222f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org switch(wrap_mode) { 223f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_REPEAT: 224f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (is_pot) { 225f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord1 = lp_build_add(int_coord_bld, coord0, int_coord_bld->one); 226f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord0 = LLVMBuildAnd(builder, coord0, length_minus_one, ""); 227f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord1 = LLVMBuildAnd(builder, coord1, length_minus_one, ""); 228f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 229f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 230f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef mask; 231f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef weight; 232f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef length_f = lp_build_int_to_float(&bld->coord_bld, length); 233f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_coord_repeat_npot_linear(bld, coord_f, 234f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org length, length_f, 235f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &coord0, &weight); 236f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask = lp_build_compare(bld->gallivm, int_coord_bld->type, 237f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_FUNC_NOTEQUAL, coord0, length_minus_one); 238f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord1 = LLVMBuildAnd(builder, 239f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_add(int_coord_bld, coord0, 240f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int_coord_bld->one), 241f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask, ""); 242f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org weight = lp_build_mul_imm(&bld->coord_bld, weight, 256); 243f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *weight_i = lp_build_itrunc(&bld->coord_bld, weight); 244f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 245f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 246f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 247f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_CLAMP_TO_EDGE: 248f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord1 = lp_build_add(int_coord_bld, coord0, int_coord_bld->one); 249f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord0 = lp_build_clamp(int_coord_bld, coord0, int_coord_bld->zero, 250f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org length_minus_one); 251f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord1 = lp_build_clamp(int_coord_bld, coord1, int_coord_bld->zero, 252f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org length_minus_one); 253f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 254f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 255f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_CLAMP: 256f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_CLAMP_TO_BORDER: 257f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_MIRROR_REPEAT: 258f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_MIRROR_CLAMP: 259f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE: 260f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER: 261f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org default: 262f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(0); 263f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord0 = int_coord_bld->zero; 264f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord1 = int_coord_bld->zero; 265f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 266f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 267f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_partial_offset(int_coord_bld, block_length, coord0, stride, 268f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset0, i0); 269f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_partial_offset(int_coord_bld, block_length, coord1, stride, 270f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset1, i1); 271f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 272f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 273f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 274f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *i0 = int_coord_bld->zero; 275f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *i1 = int_coord_bld->zero; 276f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 277f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org switch(wrap_mode) { 278f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_REPEAT: 279f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (is_pot) { 280f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord0 = LLVMBuildAnd(builder, coord0, length_minus_one, ""); 281f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 282f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 283f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef weight; 284f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef length_f = lp_build_int_to_float(&bld->coord_bld, length); 285f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_coord_repeat_npot_linear(bld, coord_f, 286f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org length, length_f, 287f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &coord0, &weight); 288f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org weight = lp_build_mul_imm(&bld->coord_bld, weight, 256); 289f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *weight_i = lp_build_itrunc(&bld->coord_bld, weight); 290f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 291f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 292f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask = lp_build_compare(bld->gallivm, int_coord_bld->type, 293f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_FUNC_NOTEQUAL, coord0, length_minus_one); 294f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 295f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *offset0 = lp_build_mul(int_coord_bld, coord0, stride); 296f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *offset1 = LLVMBuildAnd(builder, 297f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_add(int_coord_bld, *offset0, stride), 298f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask, ""); 299f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 300f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 301f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_CLAMP_TO_EDGE: 302f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* XXX this might be slower than the separate path 303f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * on some newer cpus. With sse41 this is 8 instructions vs. 7 304f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * - at least on SNB this is almost certainly slower since 305f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * min/max are cheaper than selects, and the muls aren't bad. 306f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 307f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lmask = lp_build_compare(int_coord_bld->gallivm, int_coord_bld->type, 308f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_FUNC_GEQUAL, coord0, int_coord_bld->zero); 309f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org umask = lp_build_compare(int_coord_bld->gallivm, int_coord_bld->type, 310f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_FUNC_LESS, coord0, length_minus_one); 311f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 312f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord0 = lp_build_select(int_coord_bld, lmask, coord0, int_coord_bld->zero); 313f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord0 = lp_build_select(int_coord_bld, umask, coord0, length_minus_one); 314f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 315f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask = LLVMBuildAnd(builder, lmask, umask, ""); 316f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 317f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *offset0 = lp_build_mul(int_coord_bld, coord0, stride); 318f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *offset1 = lp_build_add(int_coord_bld, 319f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *offset0, 320f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuildAnd(builder, stride, mask, "")); 321f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 322f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 323f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_CLAMP: 324f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_CLAMP_TO_BORDER: 325f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_MIRROR_REPEAT: 326f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_MIRROR_CLAMP: 327f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE: 328f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER: 329f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org default: 330f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(0); 331f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *offset0 = int_coord_bld->zero; 332f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *offset1 = int_coord_bld->zero; 333f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 334f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 335f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 336f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 337f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 338f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 339f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Build LLVM code for texture coord wrapping, for linear filtering, 340f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * for float texcoords. 341f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param block_length is the length of the pixel block along the 342f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * coordinate axis 343f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param coord the incoming texcoord (s,t,r or q) 344f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param length the texture size along one dimension 345f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param is_pot if TRUE, length is a power of two 346f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param wrap_mode one of PIPE_TEX_WRAP_x 347f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param coord0 the first texcoord after wrapping, as int 348f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param coord1 the second texcoord after wrapping, as int 349f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param weight the filter weight as int (0-255) 350f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param force_nearest if this coord actually uses nearest filtering 351f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 352f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 353f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orglp_build_sample_wrap_linear_float(struct lp_build_sample_context *bld, 354f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned block_length, 355f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef coord, 356f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef length, 357f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean is_pot, 358f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned wrap_mode, 359f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *coord0, 360f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *coord1, 361f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *weight, 362f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned force_nearest) 363f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 364f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_context *int_coord_bld = &bld->int_coord_bld; 365f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_context *coord_bld = &bld->coord_bld; 366f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuilderRef builder = bld->gallivm->builder; 367f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef half = lp_build_const_vec(bld->gallivm, coord_bld->type, 0.5); 368f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef length_minus_one = lp_build_sub(coord_bld, length, coord_bld->one); 369f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 370f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org switch(wrap_mode) { 371f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_REPEAT: 372f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (is_pot) { 373f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* mul by size and subtract 0.5 */ 374f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord = lp_build_mul(coord_bld, coord, length); 375f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!force_nearest) 376f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord = lp_build_sub(coord_bld, coord, half); 377f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *coord1 = lp_build_add(coord_bld, coord, coord_bld->one); 378f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* convert to int, compute lerp weight */ 379f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_ifloor_fract(coord_bld, coord, coord0, weight); 380f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *coord1 = lp_build_ifloor(coord_bld, *coord1); 381f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* repeat wrap */ 382f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org length_minus_one = lp_build_itrunc(coord_bld, length_minus_one); 383f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *coord0 = LLVMBuildAnd(builder, *coord0, length_minus_one, ""); 384f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *coord1 = LLVMBuildAnd(builder, *coord1, length_minus_one, ""); 385f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 386f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 387f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef mask; 388f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* wrap with normalized floats is just fract */ 389f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord = lp_build_fract(coord_bld, coord); 390f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* unnormalize */ 391f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord = lp_build_mul(coord_bld, coord, length); 392f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 393f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * we avoided the 0.5/length division, have to fix up wrong 394f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * edge cases with selects 395f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 396f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *coord1 = lp_build_add(coord_bld, coord, half); 397f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord = lp_build_sub(coord_bld, coord, half); 398f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *weight = lp_build_fract(coord_bld, coord); 399f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask = lp_build_compare(coord_bld->gallivm, coord_bld->type, 400f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_FUNC_LESS, coord, coord_bld->zero); 401f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *coord0 = lp_build_select(coord_bld, mask, length_minus_one, coord); 402f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *coord0 = lp_build_itrunc(coord_bld, *coord0); 403f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask = lp_build_compare(coord_bld->gallivm, coord_bld->type, 404f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_FUNC_LESS, *coord1, length); 405f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *coord1 = lp_build_select(coord_bld, mask, *coord1, coord_bld->zero); 406f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *coord1 = lp_build_itrunc(coord_bld, *coord1); 407f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 408f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 409f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_TEX_WRAP_CLAMP_TO_EDGE: 410f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (bld->static_state->normalized_coords) { 411f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* mul by tex size */ 412f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord = lp_build_mul(coord_bld, coord, length); 413f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 414f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* subtract 0.5 */ 415f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!force_nearest) { 416f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord = lp_build_sub(coord_bld, coord, half); 417f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 418f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* clamp to [0, length - 1] */ 419f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord = lp_build_min(coord_bld, coord, length_minus_one); 420f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org coord = lp_build_max(coord_bld, coord, coord_bld->zero); 421f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *coord1 = lp_build_add(coord_bld, coord, coord_bld->one); 422f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* convert to int, compute lerp weight */ 423f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_ifloor_fract(coord_bld, coord, coord0, weight); 424f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* coord1 = min(coord1, length-1) */ 425f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *coord1 = lp_build_min(coord_bld, *coord1, length_minus_one); 426f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *coord1 = lp_build_itrunc(coord_bld, *coord1); 427f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 428f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org default: 429f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(0); 430f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *coord0 = int_coord_bld->zero; 431f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *coord1 = int_coord_bld->zero; 432f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *weight = coord_bld->zero; 433f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 434f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 435f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *weight = lp_build_mul_imm(coord_bld, *weight, 256); 436f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *weight = lp_build_itrunc(coord_bld, *weight); 437f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 438f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 439f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 440f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 441f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 442f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Fetch texels for image with nearest sampling. 443f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Return filtered color as two vectors of 16-bit fixed point values. 444f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 445f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 446f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orglp_build_sample_fetch_image_nearest(struct lp_build_sample_context *bld, 447f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef data_ptr, 448f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef offset, 449f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef x_subcoord, 450f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef y_subcoord, 451f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *colors_lo, 452f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *colors_hi) 453f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 454f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 455f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Fetch the pixels as 4 x 32bit (rgba order might differ): 456f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 457f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * rgba0 rgba1 rgba2 rgba3 458f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 459f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * bit cast them into 16 x u8 460f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 461f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * r0 g0 b0 a0 r1 g1 b1 a1 r2 g2 b2 a2 r3 g3 b3 a3 462f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 463f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * unpack them into two 8 x i16: 464f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 465f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * r0 g0 b0 a0 r1 g1 b1 a1 466f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * r2 g2 b2 a2 r3 g3 b3 a3 467f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 468f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The higher 8 bits of the resulting elements will be zero. 469f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 470f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuilderRef builder = bld->gallivm->builder; 471f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef rgba8; 472f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_context h16, u8n; 473f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMTypeRef u8n_vec_type; 474f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 475f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_context_init(&h16, bld->gallivm, lp_type_ufixed(16, bld->vector_width)); 476f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_context_init(&u8n, bld->gallivm, lp_type_unorm(8, bld->vector_width)); 477f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org u8n_vec_type = lp_build_vec_type(bld->gallivm, u8n.type); 478f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 479f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (util_format_is_rgba8_variant(bld->format_desc)) { 480f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 481f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Given the format is a rgba8, just read the pixels as is, 482f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * without any swizzling. Swizzling will be done later. 483f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 484f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rgba8 = lp_build_gather(bld->gallivm, 485f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->texel_type.length, 486f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->format_desc->block.bits, 487f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->texel_type.width, 488f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org data_ptr, offset); 489f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 490f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rgba8 = LLVMBuildBitCast(builder, rgba8, u8n_vec_type, ""); 491f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 492f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 493f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rgba8 = lp_build_fetch_rgba_aos(bld->gallivm, 494f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->format_desc, 495f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org u8n.type, 496f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org data_ptr, offset, 497f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org x_subcoord, 498f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org y_subcoord); 499f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 500f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 501f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Expand one 4*rgba8 to two 2*rgba16 */ 502f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_unpack2(bld->gallivm, u8n.type, h16.type, 503f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rgba8, 504f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org colors_lo, colors_hi); 505f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 506f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 507f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 508f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 509f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Sample a single texture image with nearest sampling. 510f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * If sampling a cube texture, r = cube face in [0,5]. 511f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Return filtered color as two vectors of 16-bit fixed point values. 512f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 513f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 514f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orglp_build_sample_image_nearest(struct lp_build_sample_context *bld, 515f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef int_size, 516f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef row_stride_vec, 517f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef img_stride_vec, 518f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef data_ptr, 519f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef s, 520f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef t, 521f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef r, 522f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *colors_lo, 523f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *colors_hi) 524f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 525f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const unsigned dims = bld->dims; 526f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuilderRef builder = bld->gallivm->builder; 527f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_context i32; 528f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMTypeRef i32_vec_type; 529f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef i32_c8; 530f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef width_vec, height_vec, depth_vec; 531f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef s_ipart, t_ipart = NULL, r_ipart = NULL; 532f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef s_float, t_float = NULL, r_float = NULL; 533f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef x_stride; 534f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef x_offset, offset; 535f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef x_subcoord, y_subcoord, z_subcoord; 536f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 537f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_context_init(&i32, bld->gallivm, lp_type_int_vec(32, bld->vector_width)); 538f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 539f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org i32_vec_type = lp_build_vec_type(bld->gallivm, i32.type); 540f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 541f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_extract_image_sizes(bld, 542f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->int_size_type, 543f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->int_coord_type, 544f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int_size, 545f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &width_vec, 546f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &height_vec, 547f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &depth_vec); 548f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 549f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s_float = s; t_float = t; r_float = r; 550f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 551f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (bld->static_state->normalized_coords) { 552f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef scaled_size; 553f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef flt_size; 554f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 555f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* scale size by 256 (8 fractional bits) */ 556f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org scaled_size = lp_build_shl_imm(&bld->int_size_bld, int_size, 8); 557f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 558f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org flt_size = lp_build_int_to_float(&bld->float_size_bld, scaled_size); 559f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 560f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_unnormalized_coords(bld, flt_size, &s, &t, &r); 561f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 562f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 563f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* scale coords by 256 (8 fractional bits) */ 564f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s = lp_build_mul_imm(&bld->coord_bld, s, 256); 565f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 2) 566f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org t = lp_build_mul_imm(&bld->coord_bld, t, 256); 567f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 3) 568f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r = lp_build_mul_imm(&bld->coord_bld, r, 256); 569f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 570f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 571f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* convert float to int */ 572f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s = LLVMBuildFPToSI(builder, s, i32_vec_type, ""); 573f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 2) 574f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org t = LLVMBuildFPToSI(builder, t, i32_vec_type, ""); 575f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 3) 576f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r = LLVMBuildFPToSI(builder, r, i32_vec_type, ""); 577f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 578f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* compute floor (shift right 8) */ 579f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org i32_c8 = lp_build_const_int_vec(bld->gallivm, i32.type, 8); 580f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s_ipart = LLVMBuildAShr(builder, s, i32_c8, ""); 581f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 2) 582f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org t_ipart = LLVMBuildAShr(builder, t, i32_c8, ""); 583f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 3) 584f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r_ipart = LLVMBuildAShr(builder, r, i32_c8, ""); 585f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 586f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* get pixel, row, image strides */ 587f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org x_stride = lp_build_const_vec(bld->gallivm, 588f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->int_coord_bld.type, 589f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->format_desc->block.bits/8); 590f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 591f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Do texcoord wrapping, compute texel offset */ 592f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_wrap_nearest_int(bld, 593f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->format_desc->block.width, 594f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s_ipart, s_float, 595f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org width_vec, x_stride, 596f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->pot_width, 597f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->wrap_s, 598f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &x_offset, &x_subcoord); 599f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset = x_offset; 600f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 2) { 601f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef y_offset; 602f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_wrap_nearest_int(bld, 603f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->format_desc->block.height, 604f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org t_ipart, t_float, 605f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org height_vec, row_stride_vec, 606f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->pot_height, 607f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->wrap_t, 608f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &y_offset, &y_subcoord); 609f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset = lp_build_add(&bld->int_coord_bld, offset, y_offset); 610f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 3) { 611f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef z_offset; 612f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_wrap_nearest_int(bld, 613f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1, /* block length (depth) */ 614f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r_ipart, r_float, 615f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_vec, img_stride_vec, 616f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->pot_depth, 617f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->wrap_r, 618f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &z_offset, &z_subcoord); 619f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset = lp_build_add(&bld->int_coord_bld, offset, z_offset); 620f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 621f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if (bld->static_state->target == PIPE_TEXTURE_CUBE) { 622f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef z_offset; 623f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* The r coord is the cube face in [0,5] */ 624f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org z_offset = lp_build_mul(&bld->int_coord_bld, r, img_stride_vec); 625f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset = lp_build_add(&bld->int_coord_bld, offset, z_offset); 626f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 627f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 628f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 629f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_fetch_image_nearest(bld, data_ptr, offset, 630f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org x_subcoord, y_subcoord, 631f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org colors_lo, colors_hi); 632f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 633f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 634f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 635f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 636f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Sample a single texture image with nearest sampling. 637f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * If sampling a cube texture, r = cube face in [0,5]. 638f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Return filtered color as two vectors of 16-bit fixed point values. 639f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Does address calcs (except offsets) with floats. 640f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Useful for AVX which has support for 8x32 floats but not 8x32 ints. 641f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 642f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 643f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orglp_build_sample_image_nearest_afloat(struct lp_build_sample_context *bld, 644f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef int_size, 645f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef row_stride_vec, 646f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef img_stride_vec, 647f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef data_ptr, 648f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef s, 649f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef t, 650f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef r, 651f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *colors_lo, 652f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *colors_hi) 653f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 654f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const unsigned dims = bld->dims; 655f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef width_vec, height_vec, depth_vec; 656f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef offset; 657f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef x_subcoord, y_subcoord; 658f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef x_icoord = NULL, y_icoord = NULL, z_icoord = NULL; 659f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef flt_size; 660f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 661f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org flt_size = lp_build_int_to_float(&bld->float_size_bld, int_size); 662f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 663f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_extract_image_sizes(bld, 664f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->float_size_type, 665f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->coord_type, 666f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org flt_size, 667f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &width_vec, 668f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &height_vec, 669f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &depth_vec); 670f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 671f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Do texcoord wrapping */ 672f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_wrap_nearest_float(bld, 673f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s, width_vec, 674f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->pot_width, 675f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->wrap_s, 676f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &x_icoord); 677f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 678f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 2) { 679f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_wrap_nearest_float(bld, 680f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org t, height_vec, 681f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->pot_height, 682f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->wrap_t, 683f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &y_icoord); 684f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 685f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 3) { 686f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_wrap_nearest_float(bld, 687f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r, depth_vec, 688f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->pot_depth, 689f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->wrap_r, 690f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &z_icoord); 691f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 692f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if (bld->static_state->target == PIPE_TEXTURE_CUBE) { 693f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org z_icoord = r; 694f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 695f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 696f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 697f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 698f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * From here on we deal with ints, and we should split up the 256bit 699f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * vectors manually for better generated code. 700f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 701f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 702f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 703f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * compute texel offsets - 704f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * cannot do offset calc with floats, difficult for block-based formats, 705f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * and not enough precision anyway. 706f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 707f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_offset(&bld->int_coord_bld, 708f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->format_desc, 709f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org x_icoord, y_icoord, 710f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org z_icoord, 711f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org row_stride_vec, img_stride_vec, 712f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &offset, 713f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &x_subcoord, &y_subcoord); 714f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 715f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_fetch_image_nearest(bld, data_ptr, offset, 716f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org x_subcoord, y_subcoord, 717f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org colors_lo, colors_hi); 718f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 719f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 720f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 721f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 722f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Fetch texels for image with linear sampling. 723f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Return filtered color as two vectors of 16-bit fixed point values. 724f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 725f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 726f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orglp_build_sample_fetch_image_linear(struct lp_build_sample_context *bld, 727f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef data_ptr, 728f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef offset[2][2][2], 729f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef x_subcoord[2], 730f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef y_subcoord[2], 731f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef s_fpart, 732f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef t_fpart, 733f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef r_fpart, 734f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *colors_lo, 735f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *colors_hi) 736f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 737f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const unsigned dims = bld->dims; 738f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuilderRef builder = bld->gallivm->builder; 739f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_context h16, u8n; 740f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMTypeRef h16_vec_type, u8n_vec_type; 741f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMTypeRef elem_type = LLVMInt32TypeInContext(bld->gallivm->context); 742f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef shuffles_lo[LP_MAX_VECTOR_LENGTH]; 743f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef shuffles_hi[LP_MAX_VECTOR_LENGTH]; 744f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef shuffle_lo, shuffle_hi; 745f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef s_fpart_lo, s_fpart_hi; 746f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef t_fpart_lo = NULL, t_fpart_hi = NULL; 747f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef r_fpart_lo = NULL, r_fpart_hi = NULL; 748f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef neighbors_lo[2][2][2]; /* [z][y][x] */ 749f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef neighbors_hi[2][2][2]; /* [z][y][x] */ 750f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef packed_lo, packed_hi; 751f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned i, j, k; 752f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned numj, numk; 753f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 754f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_context_init(&h16, bld->gallivm, lp_type_ufixed(16, bld->vector_width)); 755f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_context_init(&u8n, bld->gallivm, lp_type_unorm(8, bld->vector_width)); 756f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org h16_vec_type = lp_build_vec_type(bld->gallivm, h16.type); 757f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org u8n_vec_type = lp_build_vec_type(bld->gallivm, u8n.type); 758f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 759f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 760f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Transform 4 x i32 in 761f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 762f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * s_fpart = {s0, s1, s2, s3} 763f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 764f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * into 8 x i16 765f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 766f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * s_fpart = {00, s0, 00, s1, 00, s2, 00, s3} 767f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 768f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * into two 8 x i16 769f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 770f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * s_fpart_lo = {s0, s0, s0, s0, s1, s1, s1, s1} 771f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * s_fpart_hi = {s2, s2, s2, s2, s3, s3, s3, s3} 772f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 773f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * and likewise for t_fpart. There is no risk of loosing precision here 774f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * since the fractional parts only use the lower 8bits. 775f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 776f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s_fpart = LLVMBuildBitCast(builder, s_fpart, h16_vec_type, ""); 777f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 2) 778f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org t_fpart = LLVMBuildBitCast(builder, t_fpart, h16_vec_type, ""); 779f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 3) 780f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r_fpart = LLVMBuildBitCast(builder, r_fpart, h16_vec_type, ""); 781f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 782f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (j = 0; j < h16.type.length; j += 4) { 783f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifdef PIPE_ARCH_LITTLE_ENDIAN 784f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned subindex = 0; 785f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#else 786f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned subindex = 1; 787f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 788f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef index; 789f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 790f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org index = LLVMConstInt(elem_type, j/2 + subindex, 0); 791f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < 4; ++i) 792f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shuffles_lo[j + i] = index; 793f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 794f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org index = LLVMConstInt(elem_type, h16.type.length/2 + j/2 + subindex, 0); 795f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < 4; ++i) 796f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shuffles_hi[j + i] = index; 797f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 798f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 799f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shuffle_lo = LLVMConstVector(shuffles_lo, h16.type.length); 800f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shuffle_hi = LLVMConstVector(shuffles_hi, h16.type.length); 801f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 802f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s_fpart_lo = LLVMBuildShuffleVector(builder, s_fpart, h16.undef, 803f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shuffle_lo, ""); 804f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s_fpart_hi = LLVMBuildShuffleVector(builder, s_fpart, h16.undef, 805f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shuffle_hi, ""); 806f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 2) { 807f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org t_fpart_lo = LLVMBuildShuffleVector(builder, t_fpart, h16.undef, 808f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shuffle_lo, ""); 809f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org t_fpart_hi = LLVMBuildShuffleVector(builder, t_fpart, h16.undef, 810f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shuffle_hi, ""); 811f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 812f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 3) { 813f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r_fpart_lo = LLVMBuildShuffleVector(builder, r_fpart, h16.undef, 814f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shuffle_lo, ""); 815f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r_fpart_hi = LLVMBuildShuffleVector(builder, r_fpart, h16.undef, 816f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shuffle_hi, ""); 817f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 818f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 819f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 820f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Fetch the pixels as 4 x 32bit (rgba order might differ): 821f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 822f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * rgba0 rgba1 rgba2 rgba3 823f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 824f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * bit cast them into 16 x u8 825f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 826f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * r0 g0 b0 a0 r1 g1 b1 a1 r2 g2 b2 a2 r3 g3 b3 a3 827f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 828f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * unpack them into two 8 x i16: 829f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 830f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * r0 g0 b0 a0 r1 g1 b1 a1 831f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * r2 g2 b2 a2 r3 g3 b3 a3 832f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 833f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The higher 8 bits of the resulting elements will be zero. 834f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 835f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org numj = 1 + (dims >= 2); 836f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org numk = 1 + (dims >= 3); 837f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 838f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (k = 0; k < numk; k++) { 839f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (j = 0; j < numj; j++) { 840f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < 2; i++) { 841f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef rgba8; 842f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 843f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (util_format_is_rgba8_variant(bld->format_desc)) { 844f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 845f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Given the format is a rgba8, just read the pixels as is, 846f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * without any swizzling. Swizzling will be done later. 847f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 848f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rgba8 = lp_build_gather(bld->gallivm, 849f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->texel_type.length, 850f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->format_desc->block.bits, 851f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->texel_type.width, 852f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org data_ptr, offset[k][j][i]); 853f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 854f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rgba8 = LLVMBuildBitCast(builder, rgba8, u8n_vec_type, ""); 855f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 856f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 857f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rgba8 = lp_build_fetch_rgba_aos(bld->gallivm, 858f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->format_desc, 859f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org u8n.type, 860f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org data_ptr, offset[k][j][i], 861f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org x_subcoord[i], 862f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org y_subcoord[j]); 863f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 864f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 865f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Expand one 4*rgba8 to two 2*rgba16 */ 866f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_unpack2(bld->gallivm, u8n.type, h16.type, 867f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rgba8, 868f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &neighbors_lo[k][j][i], &neighbors_hi[k][j][i]); 869f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 870f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 871f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 872f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 873f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 874f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Linear interpolation with 8.8 fixed point. 875f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 876f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (bld->static_state->force_nearest_s) { 877f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* special case 1-D lerp */ 878f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org packed_lo = lp_build_lerp(&h16, 879f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org t_fpart_lo, 880f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_lo[0][0][0], 881f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_lo[0][0][1]); 882f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 883f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org packed_hi = lp_build_lerp(&h16, 884f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org t_fpart_hi, 885f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_hi[0][1][0], 886f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_hi[0][1][0]); 887f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 888f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if (bld->static_state->force_nearest_t) { 889f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* special case 1-D lerp */ 890f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org packed_lo = lp_build_lerp(&h16, 891f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s_fpart_lo, 892f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_lo[0][0][0], 893f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_lo[0][0][1]); 894f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 895f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org packed_hi = lp_build_lerp(&h16, 896f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s_fpart_hi, 897f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_hi[0][0][0], 898f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_hi[0][0][1]); 899f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 900f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 901f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* general 1/2/3-D lerping */ 902f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims == 1) { 903f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org packed_lo = lp_build_lerp(&h16, 904f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s_fpart_lo, 905f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_lo[0][0][0], 906f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_lo[0][0][1]); 907f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 908f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org packed_hi = lp_build_lerp(&h16, 909f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s_fpart_hi, 910f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_hi[0][0][0], 911f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_hi[0][0][1]); 912f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 913f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 914f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 2-D lerp */ 915f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org packed_lo = lp_build_lerp_2d(&h16, 916f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s_fpart_lo, t_fpart_lo, 917f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_lo[0][0][0], 918f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_lo[0][0][1], 919f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_lo[0][1][0], 920f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_lo[0][1][1]); 921f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 922f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org packed_hi = lp_build_lerp_2d(&h16, 923f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s_fpart_hi, t_fpart_hi, 924f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_hi[0][0][0], 925f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_hi[0][0][1], 926f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_hi[0][1][0], 927f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_hi[0][1][1]); 928f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 929f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 3) { 930f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef packed_lo2, packed_hi2; 931f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 932f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* lerp in the second z slice */ 933f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org packed_lo2 = lp_build_lerp_2d(&h16, 934f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s_fpart_lo, t_fpart_lo, 935f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_lo[1][0][0], 936f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_lo[1][0][1], 937f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_lo[1][1][0], 938f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_lo[1][1][1]); 939f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 940f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org packed_hi2 = lp_build_lerp_2d(&h16, 941f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s_fpart_hi, t_fpart_hi, 942f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_hi[1][0][0], 943f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_hi[1][0][1], 944f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_hi[1][1][0], 945f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org neighbors_hi[1][1][1]); 946f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* interp between two z slices */ 947f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org packed_lo = lp_build_lerp(&h16, r_fpart_lo, 948f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org packed_lo, packed_lo2); 949f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org packed_hi = lp_build_lerp(&h16, r_fpart_hi, 950f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org packed_hi, packed_hi2); 951f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 952f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 953f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 954f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 955f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *colors_lo = packed_lo; 956f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *colors_hi = packed_hi; 957f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 958f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 959f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 960f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Sample a single texture image with (bi-)(tri-)linear sampling. 961f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Return filtered color as two vectors of 16-bit fixed point values. 962f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 963f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 964f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orglp_build_sample_image_linear(struct lp_build_sample_context *bld, 965f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef int_size, 966f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef row_stride_vec, 967f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef img_stride_vec, 968f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef data_ptr, 969f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef s, 970f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef t, 971f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef r, 972f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *colors_lo, 973f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *colors_hi) 974f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 975f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const unsigned dims = bld->dims; 976f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuilderRef builder = bld->gallivm->builder; 977f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_context i32; 978f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMTypeRef i32_vec_type; 979f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef i32_c8, i32_c128, i32_c255; 980f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef width_vec, height_vec, depth_vec; 981f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef s_ipart, s_fpart, s_float; 982f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef t_ipart = NULL, t_fpart = NULL, t_float = NULL; 983f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef r_ipart = NULL, r_fpart = NULL, r_float = NULL; 984f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef x_stride, y_stride, z_stride; 985f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef x_offset0, x_offset1; 986f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef y_offset0, y_offset1; 987f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef z_offset0, z_offset1; 988f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef offset[2][2][2]; /* [z][y][x] */ 989f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef x_subcoord[2], y_subcoord[2], z_subcoord[2]; 990f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned x, y, z; 991f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 992f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_context_init(&i32, bld->gallivm, lp_type_int_vec(32, bld->vector_width)); 993f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 994f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org i32_vec_type = lp_build_vec_type(bld->gallivm, i32.type); 995f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 996f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_extract_image_sizes(bld, 997f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->int_size_type, 998f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->int_coord_type, 999f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int_size, 1000f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &width_vec, 1001f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &height_vec, 1002f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &depth_vec); 1003f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1004f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s_float = s; t_float = t; r_float = r; 1005f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1006f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (bld->static_state->normalized_coords) { 1007f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef scaled_size; 1008f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef flt_size; 1009f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1010f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* scale size by 256 (8 fractional bits) */ 1011f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org scaled_size = lp_build_shl_imm(&bld->int_size_bld, int_size, 8); 1012f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1013f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org flt_size = lp_build_int_to_float(&bld->float_size_bld, scaled_size); 1014f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1015f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_unnormalized_coords(bld, flt_size, &s, &t, &r); 1016f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1017f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 1018f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* scale coords by 256 (8 fractional bits) */ 1019f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s = lp_build_mul_imm(&bld->coord_bld, s, 256); 1020f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 2) 1021f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org t = lp_build_mul_imm(&bld->coord_bld, t, 256); 1022f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 3) 1023f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r = lp_build_mul_imm(&bld->coord_bld, r, 256); 1024f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1025f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1026f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* convert float to int */ 1027f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s = LLVMBuildFPToSI(builder, s, i32_vec_type, ""); 1028f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 2) 1029f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org t = LLVMBuildFPToSI(builder, t, i32_vec_type, ""); 1030f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 3) 1031f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r = LLVMBuildFPToSI(builder, r, i32_vec_type, ""); 1032f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1033f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* subtract 0.5 (add -128) */ 1034f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org i32_c128 = lp_build_const_int_vec(bld->gallivm, i32.type, -128); 1035f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!bld->static_state->force_nearest_s) { 1036f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s = LLVMBuildAdd(builder, s, i32_c128, ""); 1037f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1038f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 2 && !bld->static_state->force_nearest_t) { 1039f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org t = LLVMBuildAdd(builder, t, i32_c128, ""); 1040f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1041f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 3) { 1042f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r = LLVMBuildAdd(builder, r, i32_c128, ""); 1043f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1044f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1045f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* compute floor (shift right 8) */ 1046f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org i32_c8 = lp_build_const_int_vec(bld->gallivm, i32.type, 8); 1047f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s_ipart = LLVMBuildAShr(builder, s, i32_c8, ""); 1048f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 2) 1049f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org t_ipart = LLVMBuildAShr(builder, t, i32_c8, ""); 1050f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 3) 1051f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r_ipart = LLVMBuildAShr(builder, r, i32_c8, ""); 1052f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1053f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* compute fractional part (AND with 0xff) */ 1054f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org i32_c255 = lp_build_const_int_vec(bld->gallivm, i32.type, 255); 1055f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s_fpart = LLVMBuildAnd(builder, s, i32_c255, ""); 1056f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 2) 1057f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org t_fpart = LLVMBuildAnd(builder, t, i32_c255, ""); 1058f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 3) 1059f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r_fpart = LLVMBuildAnd(builder, r, i32_c255, ""); 1060f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1061f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* get pixel, row and image strides */ 1062f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org x_stride = lp_build_const_vec(bld->gallivm, bld->int_coord_bld.type, 1063f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->format_desc->block.bits/8); 1064f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org y_stride = row_stride_vec; 1065f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org z_stride = img_stride_vec; 1066f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1067f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* do texcoord wrapping and compute texel offsets */ 1068f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_wrap_linear_int(bld, 1069f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->format_desc->block.width, 1070f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s_ipart, &s_fpart, s_float, 1071f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org width_vec, x_stride, 1072f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->pot_width, 1073f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->wrap_s, 1074f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &x_offset0, &x_offset1, 1075f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &x_subcoord[0], &x_subcoord[1]); 1076f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (z = 0; z < 2; z++) { 1077f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (y = 0; y < 2; y++) { 1078f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[z][y][0] = x_offset0; 1079f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[z][y][1] = x_offset1; 1080f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1081f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1082f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1083f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 2) { 1084f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_wrap_linear_int(bld, 1085f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->format_desc->block.height, 1086f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org t_ipart, &t_fpart, t_float, 1087f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org height_vec, y_stride, 1088f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->pot_height, 1089f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->wrap_t, 1090f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &y_offset0, &y_offset1, 1091f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &y_subcoord[0], &y_subcoord[1]); 1092f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1093f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (z = 0; z < 2; z++) { 1094f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (x = 0; x < 2; x++) { 1095f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[z][0][x] = lp_build_add(&bld->int_coord_bld, 1096f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[z][0][x], y_offset0); 1097f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[z][1][x] = lp_build_add(&bld->int_coord_bld, 1098f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[z][1][x], y_offset1); 1099f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 3) { 1104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_wrap_linear_int(bld, 1105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->format_desc->block.height, 1106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r_ipart, &r_fpart, r_float, 1107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_vec, z_stride, 1108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->pot_depth, 1109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->wrap_r, 1110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &z_offset0, &z_offset1, 1111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &z_subcoord[0], &z_subcoord[1]); 1112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (y = 0; y < 2; y++) { 1113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (x = 0; x < 2; x++) { 1114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[0][y][x] = lp_build_add(&bld->int_coord_bld, 1115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[0][y][x], z_offset0); 1116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[1][y][x] = lp_build_add(&bld->int_coord_bld, 1117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[1][y][x], z_offset1); 1118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if (bld->static_state->target == PIPE_TEXTURE_CUBE) { 1122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef z_offset; 1123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org z_offset = lp_build_mul(&bld->int_coord_bld, r, img_stride_vec); 1124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (y = 0; y < 2; y++) { 1125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (x = 0; x < 2; x++) { 1126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* The r coord is the cube face in [0,5] */ 1127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[0][y][x] = lp_build_add(&bld->int_coord_bld, 1128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[0][y][x], z_offset); 1129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_fetch_image_linear(bld, data_ptr, offset, 1134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org x_subcoord, y_subcoord, 1135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s_fpart, t_fpart, r_fpart, 1136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org colors_lo, colors_hi); 1137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 1138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 1141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Sample a single texture image with (bi-)(tri-)linear sampling. 1142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Return filtered color as two vectors of 16-bit fixed point values. 1143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Does address calcs (except offsets) with floats. 1144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Useful for AVX which has support for 8x32 floats but not 8x32 ints. 1145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 1147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orglp_build_sample_image_linear_afloat(struct lp_build_sample_context *bld, 1148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef int_size, 1149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef row_stride_vec, 1150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef img_stride_vec, 1151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef data_ptr, 1152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef s, 1153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef t, 1154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef r, 1155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *colors_lo, 1156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef *colors_hi) 1157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 1158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const unsigned dims = bld->dims; 1159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef width_vec, height_vec, depth_vec; 1160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef s_fpart; 1161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef t_fpart = NULL; 1162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef r_fpart = NULL; 1163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef x_stride, y_stride, z_stride; 1164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef x_offset0, x_offset1; 1165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef y_offset0, y_offset1; 1166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef z_offset0, z_offset1; 1167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef offset[2][2][2]; /* [z][y][x] */ 1168f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef x_subcoord[2], y_subcoord[2]; 1169f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef flt_size; 1170f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef x_icoord0, x_icoord1; 1171f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef y_icoord0, y_icoord1; 1172f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef z_icoord0, z_icoord1; 1173f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned x, y, z; 1174f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1175f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org flt_size = lp_build_int_to_float(&bld->float_size_bld, int_size); 1176f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1177f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_extract_image_sizes(bld, 1178f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->float_size_type, 1179f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->coord_type, 1180f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org flt_size, 1181f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &width_vec, 1182f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &height_vec, 1183f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &depth_vec); 1184f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1185f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* do texcoord wrapping and compute texel offsets */ 1186f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_wrap_linear_float(bld, 1187f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->format_desc->block.width, 1188f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s, width_vec, 1189f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->pot_width, 1190f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->wrap_s, 1191f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &x_icoord0, &x_icoord1, 1192f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &s_fpart, 1193f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->force_nearest_s); 1194f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1195f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 2) { 1196f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_wrap_linear_float(bld, 1197f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->format_desc->block.height, 1198f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org t, height_vec, 1199f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->pot_height, 1200f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->wrap_t, 1201f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &y_icoord0, &y_icoord1, 1202f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &t_fpart, 1203f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->force_nearest_t); 1204f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1205f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 3) { 1206f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_wrap_linear_float(bld, 1207f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->format_desc->block.height, 1208f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org r, depth_vec, 1209f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->pot_depth, 1210f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->static_state->wrap_r, 1211f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &z_icoord0, &z_icoord1, 1212f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &r_fpart, 0); 1213f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1214f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1215f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1216f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 1217f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * From here on we deal with ints, and we should split up the 256bit 1218f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * vectors manually for better generated code. 1219f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1220f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1221f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* get pixel, row and image strides */ 1222f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org x_stride = lp_build_const_vec(bld->gallivm, 1223f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->int_coord_bld.type, 1224f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->format_desc->block.bits/8); 1225f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org y_stride = row_stride_vec; 1226f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org z_stride = img_stride_vec; 1227f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1228f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 1229f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * compute texel offset - 1230f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * cannot do offset calc with floats, difficult for block-based formats, 1231f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * and not enough precision anyway. 1232f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1233f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_partial_offset(&bld->int_coord_bld, 1234f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->format_desc->block.width, 1235f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org x_icoord0, x_stride, 1236f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &x_offset0, &x_subcoord[0]); 1237f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_partial_offset(&bld->int_coord_bld, 1238f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->format_desc->block.width, 1239f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org x_icoord1, x_stride, 1240f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &x_offset1, &x_subcoord[1]); 1241f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (z = 0; z < 2; z++) { 1242f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (y = 0; y < 2; y++) { 1243f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[z][y][0] = x_offset0; 1244f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[z][y][1] = x_offset1; 1245f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1246f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1247f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1248f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 2) { 1249f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_partial_offset(&bld->int_coord_bld, 1250f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->format_desc->block.height, 1251f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org y_icoord0, y_stride, 1252f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &y_offset0, &y_subcoord[0]); 1253f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_partial_offset(&bld->int_coord_bld, 1254f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->format_desc->block.height, 1255f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org y_icoord1, y_stride, 1256f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &y_offset1, &y_subcoord[1]); 1257f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (z = 0; z < 2; z++) { 1258f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (x = 0; x < 2; x++) { 1259f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[z][0][x] = lp_build_add(&bld->int_coord_bld, 1260f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[z][0][x], y_offset0); 1261f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[z][1][x] = lp_build_add(&bld->int_coord_bld, 1262f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[z][1][x], y_offset1); 1263f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1264f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1265f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1266f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1267f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 3) { 1268f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef z_subcoord[2]; 1269f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_partial_offset(&bld->int_coord_bld, 1270f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1, 1271f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org z_icoord0, z_stride, 1272f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &z_offset0, &z_subcoord[0]); 1273f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_partial_offset(&bld->int_coord_bld, 1274f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1, 1275f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org z_icoord1, z_stride, 1276f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &z_offset1, &z_subcoord[1]); 1277f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (y = 0; y < 2; y++) { 1278f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (x = 0; x < 2; x++) { 1279f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[0][y][x] = lp_build_add(&bld->int_coord_bld, 1280f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[0][y][x], z_offset0); 1281f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[1][y][x] = lp_build_add(&bld->int_coord_bld, 1282f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[1][y][x], z_offset1); 1283f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1284f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1285f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1286f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if (bld->static_state->target == PIPE_TEXTURE_CUBE) { 1287f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef z_offset; 1288f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org z_offset = lp_build_mul(&bld->int_coord_bld, r, img_stride_vec); 1289f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (y = 0; y < 2; y++) { 1290f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (x = 0; x < 2; x++) { 1291f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* The r coord is the cube face in [0,5] */ 1292f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[0][y][x] = lp_build_add(&bld->int_coord_bld, 1293f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset[0][y][x], z_offset); 1294f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1295f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1296f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1297f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1298f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_fetch_image_linear(bld, data_ptr, offset, 1299f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org x_subcoord, y_subcoord, 1300f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s_fpart, t_fpart, r_fpart, 1301f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org colors_lo, colors_hi); 1302f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 1303f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1304f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1305f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 1306f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Sample the texture/mipmap using given image filter and mip filter. 1307f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * data0_ptr and data1_ptr point to the two mipmap levels to sample 1308f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * from. width0/1_vec, height0/1_vec, depth0/1_vec indicate their sizes. 1309f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * If we're using nearest miplevel sampling the '1' values will be null/unused. 1310f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1311f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 1312f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orglp_build_sample_mipmap(struct lp_build_sample_context *bld, 1313f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned img_filter, 1314f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned mip_filter, 1315f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef s, 1316f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef t, 1317f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef r, 1318f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef ilevel0, 1319f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef ilevel1, 1320f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef lod_fpart, 1321f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef colors_lo_var, 1322f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef colors_hi_var) 1323f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 1324f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuilderRef builder = bld->gallivm->builder; 1325f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef size0; 1326f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef size1; 1327f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef row_stride0_vec = NULL; 1328f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef row_stride1_vec = NULL; 1329f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef img_stride0_vec = NULL; 1330f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef img_stride1_vec = NULL; 1331f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef data_ptr0; 1332f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef data_ptr1; 1333f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef colors0_lo, colors0_hi; 1334f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef colors1_lo, colors1_hi; 1335f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1336f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* sample the first mipmap level */ 1337f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_mipmap_level_sizes(bld, ilevel0, 1338f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &size0, 1339f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &row_stride0_vec, &img_stride0_vec); 1340f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org data_ptr0 = lp_build_get_mipmap_level(bld, ilevel0); 1341f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (util_cpu_caps.has_avx && bld->coord_type.length > 4) { 1342f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (img_filter == PIPE_TEX_FILTER_NEAREST) { 1343f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_image_nearest_afloat(bld, 1344f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org size0, 1345f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org row_stride0_vec, img_stride0_vec, 1346f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org data_ptr0, s, t, r, 1347f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &colors0_lo, &colors0_hi); 1348f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1349f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 1350f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(img_filter == PIPE_TEX_FILTER_LINEAR); 1351f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_image_linear_afloat(bld, 1352f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org size0, 1353f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org row_stride0_vec, img_stride0_vec, 1354f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org data_ptr0, s, t, r, 1355f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &colors0_lo, &colors0_hi); 1356f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1357f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1358f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 1359f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (img_filter == PIPE_TEX_FILTER_NEAREST) { 1360f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_image_nearest(bld, 1361f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org size0, 1362f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org row_stride0_vec, img_stride0_vec, 1363f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org data_ptr0, s, t, r, 1364f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &colors0_lo, &colors0_hi); 1365f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1366f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 1367f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(img_filter == PIPE_TEX_FILTER_LINEAR); 1368f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_image_linear(bld, 1369f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org size0, 1370f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org row_stride0_vec, img_stride0_vec, 1371f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org data_ptr0, s, t, r, 1372f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &colors0_lo, &colors0_hi); 1373f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1374f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1375f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1376f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Store the first level's colors in the output variables */ 1377f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuildStore(builder, colors0_lo, colors_lo_var); 1378f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuildStore(builder, colors0_hi, colors_hi_var); 1379f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1380f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (mip_filter == PIPE_TEX_MIPFILTER_LINEAR) { 1381f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef h16vec_scale = lp_build_const_vec(bld->gallivm, 1382f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->perquadf_bld.type, 256.0); 1383f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMTypeRef i32vec_type = lp_build_vec_type(bld->gallivm, bld->perquadi_bld.type); 1384f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_if_state if_ctx; 1385f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef need_lerp; 1386f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned num_quads = bld->coord_bld.type.length / 4; 1387f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned i; 1388f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1389f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lod_fpart = LLVMBuildFMul(builder, lod_fpart, h16vec_scale, ""); 1390f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lod_fpart = LLVMBuildFPToSI(builder, lod_fpart, i32vec_type, "lod_fpart.fixed16"); 1391f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1392f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* need_lerp = lod_fpart > 0 */ 1393f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (num_quads == 1) { 1394f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org need_lerp = LLVMBuildICmp(builder, LLVMIntSGT, 1395f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lod_fpart, bld->perquadi_bld.zero, 1396f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org "need_lerp"); 1397f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1398f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 1399f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 1400f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * We'll do mip filtering if any of the quads need it. 1401f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * It might be better to split the vectors here and only fetch/filter 1402f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * quads which need it. 1403f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1404f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 1405f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * We need to clamp lod_fpart here since we can get negative 1406f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * values which would screw up filtering if not all 1407f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * lod_fpart values have same sign. 1408f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * We can however then skip the greater than comparison. 1409f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1410f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lod_fpart = lp_build_max(&bld->perquadi_bld, lod_fpart, 1411f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->perquadi_bld.zero); 1412f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org need_lerp = lp_build_any_true_range(&bld->perquadi_bld, num_quads, lod_fpart); 1413f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1414f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1415f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_if(&if_ctx, bld->gallivm, need_lerp); 1416f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 1417f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_context h16_bld; 1418f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1419f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_context_init(&h16_bld, bld->gallivm, lp_type_ufixed(16, bld->vector_width)); 1420f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1421f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* sample the second mipmap level */ 1422f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_mipmap_level_sizes(bld, ilevel1, 1423f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &size1, 1424f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &row_stride1_vec, &img_stride1_vec); 1425f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org data_ptr1 = lp_build_get_mipmap_level(bld, ilevel1); 1426f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1427f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (util_cpu_caps.has_avx && bld->coord_type.length > 4) { 1428f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (img_filter == PIPE_TEX_FILTER_NEAREST) { 1429f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_image_nearest_afloat(bld, 1430f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org size1, 1431f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org row_stride1_vec, img_stride1_vec, 1432f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org data_ptr1, s, t, r, 1433f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &colors1_lo, &colors1_hi); 1434f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1435f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 1436f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_image_linear_afloat(bld, 1437f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org size1, 1438f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org row_stride1_vec, img_stride1_vec, 1439f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org data_ptr1, s, t, r, 1440f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &colors1_lo, &colors1_hi); 1441f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1442f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1443f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 1444f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (img_filter == PIPE_TEX_FILTER_NEAREST) { 1445f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_image_nearest(bld, 1446f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org size1, 1447f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org row_stride1_vec, img_stride1_vec, 1448f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org data_ptr1, s, t, r, 1449f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &colors1_lo, &colors1_hi); 1450f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1451f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 1452f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_image_linear(bld, 1453f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org size1, 1454f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org row_stride1_vec, img_stride1_vec, 1455f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org data_ptr1, s, t, r, 1456f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &colors1_lo, &colors1_hi); 1457f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1458f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1459f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1460f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* interpolate samples from the two mipmap levels */ 1461f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1462f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (num_quads == 1) { 1463f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lod_fpart = LLVMBuildTrunc(builder, lod_fpart, h16_bld.elem_type, ""); 1464f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lod_fpart = lp_build_broadcast_scalar(&h16_bld, lod_fpart); 1465f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1466f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if HAVE_LLVM == 0x208 1467f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* This is a work-around for a bug in LLVM 2.8. 1468f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Evidently, something goes wrong in the construction of the 1469f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * lod_fpart short[8] vector. Adding this no-effect shuffle seems 1470f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * to force the vector to be properly constructed. 1471f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Tested with mesa-demos/src/tests/mipmap_limits.c (press t, f). 1472f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1473f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 1474f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef shuffles[8], shuffle; 1475f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(h16_bld.type.length <= Elements(shuffles)); 1476f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < h16_bld.type.length; i++) 1477f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shuffles[i] = lp_build_const_int32(bld->gallivm, 2 * (i & 1)); 1478f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shuffle = LLVMConstVector(shuffles, h16_bld.type.length); 1479f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lod_fpart = LLVMBuildShuffleVector(builder, 1480f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lod_fpart, lod_fpart, 1481f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org shuffle, ""); 1482f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1483f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 1484f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1485f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org colors0_lo = lp_build_lerp(&h16_bld, lod_fpart, 1486f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org colors0_lo, colors1_lo); 1487f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org colors0_hi = lp_build_lerp(&h16_bld, lod_fpart, 1488f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org colors0_hi, colors1_hi); 1489f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1490f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 1491f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef lod_parts[LP_MAX_VECTOR_LENGTH/16]; 1492f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_type perquadi16_type = bld->perquadi_bld.type; 1493f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org perquadi16_type.width /= 2; 1494f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org perquadi16_type.length *= 2; 1495f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lod_fpart = LLVMBuildBitCast(builder, lod_fpart, 1496f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_vec_type(bld->gallivm, 1497f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org perquadi16_type), ""); 1498f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* XXX this only works for exactly 2 quads. More quads need shuffle */ 1499f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(num_quads == 2); 1500f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < num_quads; i++) { 1501f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef indexi2 = lp_build_const_int32(bld->gallivm, i*2); 1502f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lod_parts[i] = lp_build_extract_broadcast(bld->gallivm, 1503f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org perquadi16_type, 1504f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org h16_bld.type, 1505f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lod_fpart, 1506f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org indexi2); 1507f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1508f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org colors0_lo = lp_build_lerp(&h16_bld, lod_parts[0], 1509f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org colors0_lo, colors1_lo); 1510f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org colors0_hi = lp_build_lerp(&h16_bld, lod_parts[1], 1511f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org colors0_hi, colors1_hi); 1512f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1513f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1514f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuildStore(builder, colors0_lo, colors_lo_var); 1515f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuildStore(builder, colors0_hi, colors_hi_var); 1516f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1517f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_endif(&if_ctx); 1518f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1519f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 1520f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1521f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1522f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1523f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 1524f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Texture sampling in AoS format. Used when sampling common 32-bit/texel 1525f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * formats. 1D/2D/3D/cube texture supported. All mipmap sampling modes 1526f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * but only limited texture coord wrap modes. 1527f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1528f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 1529f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orglp_build_sample_aos(struct lp_build_sample_context *bld, 1530f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned unit, 1531f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef s, 1532f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef t, 1533f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef r, 1534f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef lod_ipart, 1535f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef lod_fpart, 1536f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef ilevel0, 1537f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef ilevel1, 1538f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef texel_out[4]) 1539f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 1540f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_context *int_bld = &bld->int_bld; 1541f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuilderRef builder = bld->gallivm->builder; 1542f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const unsigned mip_filter = bld->static_state->min_mip_filter; 1543f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const unsigned min_filter = bld->static_state->min_img_filter; 1544f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const unsigned mag_filter = bld->static_state->mag_img_filter; 1545f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const unsigned dims = bld->dims; 1546f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef packed, packed_lo, packed_hi; 1547f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef unswizzled[4]; 1548f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_context h16_bld; 1549f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1550f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* we only support the common/simple wrap modes at this time */ 1551f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(lp_is_simple_wrap_mode(bld->static_state->wrap_s)); 1552f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 2) 1553f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(lp_is_simple_wrap_mode(bld->static_state->wrap_t)); 1554f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (dims >= 3) 1555f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(lp_is_simple_wrap_mode(bld->static_state->wrap_r)); 1556f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1557f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1558f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* make 16-bit fixed-pt builder context */ 1559f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_context_init(&h16_bld, bld->gallivm, lp_type_ufixed(16, bld->vector_width)); 1560f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1561f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 1562f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Get/interpolate texture colors. 1563f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1564f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1565f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org packed_lo = lp_build_alloca(bld->gallivm, h16_bld.vec_type, "packed_lo"); 1566f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org packed_hi = lp_build_alloca(bld->gallivm, h16_bld.vec_type, "packed_hi"); 1567f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1568f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (min_filter == mag_filter) { 1569f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* no need to distinguish between minification and magnification */ 1570f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_mipmap(bld, 1571f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org min_filter, mip_filter, 1572f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s, t, r, 1573f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ilevel0, ilevel1, lod_fpart, 1574f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org packed_lo, packed_hi); 1575f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1576f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 1577f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Emit conditional to choose min image filter or mag image filter 1578f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * depending on the lod being > 0 or <= 0, respectively. 1579f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1580f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct lp_build_if_state if_ctx; 1581f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMValueRef minify; 1582f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1583f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* minify = lod >= 0.0 */ 1584f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org minify = LLVMBuildICmp(builder, LLVMIntSGE, 1585f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lod_ipart, int_bld->zero, ""); 1586f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1587f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_if(&if_ctx, bld->gallivm, minify); 1588f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 1589f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Use the minification filter */ 1590f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_mipmap(bld, 1591f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org min_filter, mip_filter, 1592f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s, t, r, 1593f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ilevel0, ilevel1, lod_fpart, 1594f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org packed_lo, packed_hi); 1595f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1596f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_else(&if_ctx); 1597f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 1598f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Use the magnification filter */ 1599f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_sample_mipmap(bld, 1600f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mag_filter, PIPE_TEX_MIPFILTER_NONE, 1601f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org s, t, r, 1602f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ilevel0, NULL, NULL, 1603f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org packed_lo, packed_hi); 1604f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1605f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_endif(&if_ctx); 1606f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1607f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1608f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 1609f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * combine the values stored in 'packed_lo' and 'packed_hi' variables 1610f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * into 'packed' 1611f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1612f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org packed = lp_build_pack2(bld->gallivm, 1613f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org h16_bld.type, lp_type_unorm(8, bld->vector_width), 1614f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuildLoad(builder, packed_lo, ""), 1615f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org LLVMBuildLoad(builder, packed_hi, "")); 1616f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1617f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 1618f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Convert to SoA and swizzle. 1619f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 1620f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_rgba8_to_f32_soa(bld->gallivm, 1621f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bld->texel_type, 1622f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org packed, unswizzled); 1623f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 1624f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (util_format_is_rgba8_variant(bld->format_desc)) { 1625f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_build_format_swizzle_soa(bld->format_desc, 1626f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &bld->texel_bld, 1627f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unswizzled, texel_out); 1628f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1629f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 1630f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org texel_out[0] = unswizzled[0]; 1631f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org texel_out[1] = unswizzled[1]; 1632f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org texel_out[2] = unswizzled[2]; 1633f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org texel_out[3] = unswizzled[3]; 1634f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 1635f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 1636