lp_bld_sample.h revision 67a2f98be79b368c316ebe6731112734d306b3f6
1de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca/************************************************************************** 2de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * 3de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * Copyright 2009 VMware, Inc. 4de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * All Rights Reserved. 5de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * 6de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * Permission is hereby granted, free of charge, to any person obtaining a 7de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * copy of this software and associated documentation files (the 8de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * "Software"), to deal in the Software without restriction, including 9de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * without limitation the rights to use, copy, modify, merge, publish, 10de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * distribute, sub license, and/or sell copies of the Software, and to 11de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * permit persons to whom the Software is furnished to do so, subject to 12de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * the following conditions: 13de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * 14de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * The above copyright notice and this permission notice (including the 15de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * next paragraph) shall be included in all copies or substantial portions 16de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * of the Software. 17de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * 18de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 22de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * 26de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca **************************************************************************/ 27de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 28de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca/** 29de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * @file 30de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * Texture sampling. 31de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * 32de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * @author Jose Fonseca <jfonseca@vmware.com> 33de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca */ 34de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 35de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca#ifndef LP_BLD_SAMPLE_H 36de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca#define LP_BLD_SAMPLE_H 37de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 38de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 39de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca#include <llvm-c/Core.h> 40de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 41de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonsecastruct pipe_texture; 42de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonsecastruct pipe_sampler_state; 43bc93e9181cf179a797679d30cd1a3a563e1756c0José Fonsecastruct util_format_description; 44b4835ea03d64261da5a892f9590c9977b06920e8José Fonsecastruct lp_type; 45bc93e9181cf179a797679d30cd1a3a563e1756c0José Fonsecastruct lp_build_context; 46de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 47de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 48de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca/** 49de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * Sampler static state. 50de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * 51de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * These are the bits of state from pipe_texture and pipe_sampler_state that 52de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * are embedded in the generated code. 53de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca */ 54de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonsecastruct lp_sampler_static_state 55de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca{ 56de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca /* pipe_texture's state */ 57de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca enum pipe_format format; 584139bc8f4375c1f8961b281b6303bccaab24367aJosé Fonseca unsigned target:2; 59de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca unsigned pot_width:1; 60de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca unsigned pot_height:1; 61de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca unsigned pot_depth:1; 62de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 63de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca /* pipe_sampler_state's state */ 64de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca unsigned wrap_s:3; 65de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca unsigned wrap_t:3; 66de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca unsigned wrap_r:3; 67de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca unsigned min_img_filter:2; 68de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca unsigned min_mip_filter:2; 69de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca unsigned mag_img_filter:2; 70de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca unsigned compare_mode:1; 71de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca unsigned compare_func:3; 72de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca unsigned normalized_coords:1; 7336a0c4219deaa1509ae9746abb845f9502ca9f1bBrian Paul float lod_bias, min_lod, max_lod; 74946edea794646443abde05363294fed430d8d6f1Brian Paul float border_color[4]; 75de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca}; 76de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 77de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 78de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca/** 79de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * Sampler dynamic state. 80de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * 81de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * These are the bits of state from pipe_texture and pipe_sampler_state that 82de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * are computed in runtime. 83de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * 84de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * There are obtained through callbacks, as we don't want to tie the texture 85de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * sampling code generation logic to any particular texture layout or pipe 86de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * driver. 87de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca */ 88de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonsecastruct lp_sampler_dynamic_state 89de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca{ 90de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 91de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca /** Obtain the base texture width. */ 92de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca LLVMValueRef 93de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca (*width)( struct lp_sampler_dynamic_state *state, 94de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca LLVMBuilderRef builder, 95de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca unsigned unit); 96de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 97de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca /** Obtain the base texture height. */ 98de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca LLVMValueRef 99de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca (*height)( struct lp_sampler_dynamic_state *state, 100de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca LLVMBuilderRef builder, 101de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca unsigned unit); 102de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 1037f4b5c5387a3a8e3c5f31f0badc943c43857683aBrian Paul /** Obtain the base texture depth. */ 1047f4b5c5387a3a8e3c5f31f0badc943c43857683aBrian Paul LLVMValueRef 1057f4b5c5387a3a8e3c5f31f0badc943c43857683aBrian Paul (*depth)( struct lp_sampler_dynamic_state *state, 1067f4b5c5387a3a8e3c5f31f0badc943c43857683aBrian Paul LLVMBuilderRef builder, 1077f4b5c5387a3a8e3c5f31f0badc943c43857683aBrian Paul unsigned unit); 1087f4b5c5387a3a8e3c5f31f0badc943c43857683aBrian Paul 1097f4b5c5387a3a8e3c5f31f0badc943c43857683aBrian Paul /** Obtain the number of mipmap levels (minus one). */ 1107f4b5c5387a3a8e3c5f31f0badc943c43857683aBrian Paul LLVMValueRef 1117f4b5c5387a3a8e3c5f31f0badc943c43857683aBrian Paul (*last_level)( struct lp_sampler_dynamic_state *state, 1127f4b5c5387a3a8e3c5f31f0badc943c43857683aBrian Paul LLVMBuilderRef builder, 1137f4b5c5387a3a8e3c5f31f0badc943c43857683aBrian Paul unsigned unit); 1147f4b5c5387a3a8e3c5f31f0badc943c43857683aBrian Paul 115de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca LLVMValueRef 116de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca (*stride)( struct lp_sampler_dynamic_state *state, 117de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca LLVMBuilderRef builder, 118de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca unsigned unit); 119de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 120de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca LLVMValueRef 121de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca (*data_ptr)( struct lp_sampler_dynamic_state *state, 122de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca LLVMBuilderRef builder, 123de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca unsigned unit); 124de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 125de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca}; 126de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 127de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 128de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca/** 129de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca * Derive the sampler static state. 130de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca */ 131de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonsecavoid 132de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonsecalp_sampler_static_state(struct lp_sampler_static_state *state, 133de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca const struct pipe_texture *texture, 134de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca const struct pipe_sampler_state *sampler); 135de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 136de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 137b4f6907b8d8a966df56c06155049c52dadea105fJosé FonsecaLLVMValueRef 138b4f6907b8d8a966df56c06155049c52dadea105fJosé Fonsecalp_build_gather(LLVMBuilderRef builder, 139b4f6907b8d8a966df56c06155049c52dadea105fJosé Fonseca unsigned length, 140b4f6907b8d8a966df56c06155049c52dadea105fJosé Fonseca unsigned src_width, 141b4f6907b8d8a966df56c06155049c52dadea105fJosé Fonseca unsigned dst_width, 142b4f6907b8d8a966df56c06155049c52dadea105fJosé Fonseca LLVMValueRef base_ptr, 143b4f6907b8d8a966df56c06155049c52dadea105fJosé Fonseca LLVMValueRef offsets); 144b4f6907b8d8a966df56c06155049c52dadea105fJosé Fonseca 145b4f6907b8d8a966df56c06155049c52dadea105fJosé Fonseca 146bc93e9181cf179a797679d30cd1a3a563e1756c0José FonsecaLLVMValueRef 147bc93e9181cf179a797679d30cd1a3a563e1756c0José Fonsecalp_build_sample_offset(struct lp_build_context *bld, 148bc93e9181cf179a797679d30cd1a3a563e1756c0José Fonseca const struct util_format_description *format_desc, 149bc93e9181cf179a797679d30cd1a3a563e1756c0José Fonseca LLVMValueRef x, 150bc93e9181cf179a797679d30cd1a3a563e1756c0José Fonseca LLVMValueRef y, 15167a2f98be79b368c316ebe6731112734d306b3f6Brian Paul LLVMValueRef z, 15267a2f98be79b368c316ebe6731112734d306b3f6Brian Paul LLVMValueRef y_stride, 15367a2f98be79b368c316ebe6731112734d306b3f6Brian Paul LLVMValueRef z_stride); 154bc93e9181cf179a797679d30cd1a3a563e1756c0José Fonseca 155bc93e9181cf179a797679d30cd1a3a563e1756c0José Fonseca 156de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonsecavoid 157de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonsecalp_build_sample_soa(LLVMBuilderRef builder, 158de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca const struct lp_sampler_static_state *static_state, 159de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca struct lp_sampler_dynamic_state *dynamic_state, 160b4835ea03d64261da5a892f9590c9977b06920e8José Fonseca struct lp_type fp_type, 161de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca unsigned unit, 162de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca unsigned num_coords, 163de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca const LLVMValueRef *coords, 164de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca LLVMValueRef lodbias, 165de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca LLVMValueRef *texel); 166de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 167de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 168de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca 169de8376e2f22a59a0bc18bb7ddab88ee3153678b8José Fonseca#endif /* LP_BLD_SAMPLE_H */ 170