1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/************************************************************************** 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 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 TUNGSTEN GRAPHICS 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/* Author: 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Brian Paul 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Keith Whitwell 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_defines.h" 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_context.h" 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_prim.h" 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_context.h" 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_state.h" 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_query.h" 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "draw/draw_context.h" 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Draw vertex arrays, with optional indexing, optional instancing. 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * All the other drawing functions are implemented in terms of this function. 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Basically, map the vertex buffers (and drawing surfaces), then hand off 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the drawing to the 'draw' module. 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgllvmpipe_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info) 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct llvmpipe_context *lp = llvmpipe_context(pipe); 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct draw_context *draw = lp->draw; 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const void *mapped_indices = NULL; 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned i; 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!llvmpipe_check_render_cond(lp)) 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (lp->dirty) 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org llvmpipe_update_derived( lp ); 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Map vertex buffers 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < lp->num_vertex_buffers; i++) { 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const void *buf = lp->vertex_buffer[i].user_buffer; 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!buf) 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf = llvmpipe_resource_data(lp->vertex_buffer[i].buffer); 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw_set_mapped_vertex_buffer(draw, i, buf); 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Map index buffer, if present */ 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (info->indexed) { 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mapped_indices = lp->index_buffer.user_buffer; 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!mapped_indices) 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mapped_indices = llvmpipe_resource_data(lp->index_buffer.buffer); 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw_set_indexes(draw, 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (ubyte *) mapped_indices + lp->index_buffer.offset, 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp->index_buffer.index_size); 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org llvmpipe_prepare_vertex_sampling(lp, 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp->num_sampler_views[PIPE_SHADER_VERTEX], 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp->sampler_views[PIPE_SHADER_VERTEX]); 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* draw! */ 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw_vbo(draw, info); 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * unmap vertex/index buffers 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < lp->num_vertex_buffers; i++) { 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw_set_mapped_vertex_buffer(draw, i, NULL); 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (mapped_indices) { 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw_set_indexes(draw, NULL, 0); 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org llvmpipe_cleanup_vertex_sampling(lp); 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * TODO: Flush only when a user vertex/index buffer is present 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * (or even better, modify draw module to do this 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * internally when this condition is seen?) 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw_flush(draw); 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgllvmpipe_init_draw_funcs(struct llvmpipe_context *llvmpipe) 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org llvmpipe->pipe.draw_vbo = llvmpipe_draw_vbo; 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 119