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_inlines.h" 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_prim.h" 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "sp_context.h" 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "sp_query.h" 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "sp_state.h" 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "sp_texture.h" 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "draw/draw_context.h" 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * This function handles drawing indexed and non-indexed prims, 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * instanced and non-instanced drawing, with or without min/max element 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * indexes. 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * All the other drawing functions are expressed in terms of this 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * function. 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * For non-indexed prims, indexBuffer should be NULL. 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * For non-instanced drawing, instanceCount should be 1. 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * When the min/max element indexes aren't known, minIndex should be 0 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * and maxIndex should be ~0. 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgsoftpipe_draw_vbo(struct pipe_context *pipe, 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct pipe_draw_info *info) 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct softpipe_context *sp = softpipe_context(pipe); 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct draw_context *draw = sp->draw; 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const void *mapped_indices = NULL; 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned i; 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!softpipe_check_render_cond(sp)) 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sp->reduced_api_prim = u_reduced_prim(info->mode); 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (sp->dirty) { 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org softpipe_update_derived(sp, sp->reduced_api_prim); 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org softpipe_map_transfers(sp); 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Map vertex buffers */ 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < sp->num_vertex_buffers; i++) { 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const void *buf = sp->vertex_buffer[i].user_buffer; 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!buf) 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf = softpipe_resource(sp->vertex_buffer[i].buffer)->data; 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw_set_mapped_vertex_buffer(draw, i, buf); 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Map index buffer, if present */ 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (info->indexed) { 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mapped_indices = sp->index_buffer.user_buffer; 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!mapped_indices) 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mapped_indices = softpipe_resource(sp->index_buffer.buffer)->data; 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw_set_indexes(draw, 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (ubyte *) mapped_indices + sp->index_buffer.offset, 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sp->index_buffer.index_size); 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < sp->num_so_targets; i++) { 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *buf = softpipe_resource(sp->so_targets[i]->target.buffer)->data; 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sp->so_targets[i]->mapping = buf; 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw_set_mapped_so_targets(draw, sp->num_so_targets, 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sp->so_targets); 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* draw! */ 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw_vbo(draw, info); 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* unmap vertex/index buffers - will cause draw module to flush */ 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < sp->num_vertex_buffers; i++) { 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw_set_mapped_vertex_buffer(draw, i, NULL); 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (mapped_indices) { 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw_set_indexes(draw, NULL, 0); 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw_set_mapped_so_targets(draw, 0, NULL); 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * TODO: Flush only when a user vertex/index buffer is present 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * (or even better, modify draw module to do this 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * internally when this condition is seen?) 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw_flush(draw); 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Note: leave drawing surfaces mapped */ 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org sp->dirty_render_cache = TRUE; 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 129