draw_gs.c revision d4ef0f6c67aefe06d8dd647acf8d9005df39a709
189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin/************************************************************************** 289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * 389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * Copyright 2009 VMWare Inc. 489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * All Rights Reserved. 589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * 689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * Permission is hereby granted, free of charge, to any person obtaining a 789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * copy of this software and associated documentation files (the 889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * "Software"), to deal in the Software without restriction, including 989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * without limitation the rights to use, copy, modify, merge, publish, 1089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * distribute, sub license, and/or sell copies of the Software, and to 1189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * permit persons to whom the Software is furnished to do so, subject to 1289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * the following conditions: 1389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * 1489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * The above copyright notice and this permission notice (including the 1589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * next paragraph) shall be included in all copies or substantial portions 1689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * of the Software. 1789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * 1889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 1989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 2089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 2189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 2289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 2389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 2489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 2589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * 2689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin **************************************************************************/ 2789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 2889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin#include "draw_gs.h" 2989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 3089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin#include "draw_private.h" 3189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin#include "draw_context.h" 3289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 3389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin#include "tgsi/tgsi_parse.h" 3489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin#include "tgsi/tgsi_exec.h" 3589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 3689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin#include "pipe/p_shader_tokens.h" 3789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 3889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin#include "util/u_math.h" 3989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin#include "util/u_memory.h" 4089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 4189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin#define MAX_PRIM_VERTICES 6 4289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin/* fixme: move it from here */ 4389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin#define MAX_PRIMITIVES 64 4489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 4589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusinboolean 4689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusindraw_gs_init( struct draw_context *draw ) 4789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin{ 4889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin draw->gs.machine = tgsi_exec_machine_create(); 4989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin if (!draw->gs.machine) 5089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin return FALSE; 5189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 5289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin draw->gs.machine->Primitives = align_malloc( 5389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin MAX_PRIMITIVES * sizeof(struct tgsi_exec_vector), 16); 5489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin if (!draw->gs.machine->Primitives) 5589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin return FALSE; 5689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin memset(draw->gs.machine->Primitives, 0, 5789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin MAX_PRIMITIVES * sizeof(struct tgsi_exec_vector)); 5889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 5989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin return TRUE; 6089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin} 6189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 62a5c03bd6f16517bf35c273741080492d70d64c29Jakob Bornecrantzvoid draw_gs_destroy( struct draw_context *draw ) 63a5c03bd6f16517bf35c273741080492d70d64c29Jakob Bornecrantz{ 64a5c03bd6f16517bf35c273741080492d70d64c29Jakob Bornecrantz if (!draw->gs.machine) 65a5c03bd6f16517bf35c273741080492d70d64c29Jakob Bornecrantz return; 66a5c03bd6f16517bf35c273741080492d70d64c29Jakob Bornecrantz 67a5c03bd6f16517bf35c273741080492d70d64c29Jakob Bornecrantz align_free(draw->gs.machine->Primitives); 68a5c03bd6f16517bf35c273741080492d70d64c29Jakob Bornecrantz 69a5c03bd6f16517bf35c273741080492d70d64c29Jakob Bornecrantz tgsi_exec_machine_destroy(draw->gs.machine); 70a5c03bd6f16517bf35c273741080492d70d64c29Jakob Bornecrantz} 7189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 729851644435f991a1a1bbb145333a97601627b37dMichal Krolvoid 739851644435f991a1a1bbb145333a97601627b37dMichal Kroldraw_gs_set_constants(struct draw_context *draw, 749851644435f991a1a1bbb145333a97601627b37dMichal Krol unsigned slot, 759851644435f991a1a1bbb145333a97601627b37dMichal Krol const void *constants, 769851644435f991a1a1bbb145333a97601627b37dMichal Krol unsigned size) 7789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin{ 7889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin} 7989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 8089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 8189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusinstruct draw_geometry_shader * 8289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusindraw_create_geometry_shader(struct draw_context *draw, 8389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin const struct pipe_shader_state *state) 8489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin{ 8589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin struct draw_geometry_shader *gs; 8689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin int i; 8789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 8889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin gs = CALLOC_STRUCT(draw_geometry_shader); 8989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 9089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin if (!gs) 9189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin return NULL; 9289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 9389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin gs->state = *state; 9489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin gs->state.tokens = tgsi_dup_tokens(state->tokens); 9589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin if (!gs->state.tokens) { 9689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin FREE(gs); 9789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin return NULL; 9889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin } 9989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 10089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin tgsi_scan_shader(state->tokens, &gs->info); 10189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 10289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin /* setup the defaults */ 10389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin gs->input_primitive = PIPE_PRIM_TRIANGLES; 10489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin gs->output_primitive = PIPE_PRIM_TRIANGLE_STRIP; 10589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin gs->max_output_vertices = 32; 10689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 10789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin for (i = 0; i < gs->info.num_properties; ++i) { 10889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin if (gs->info.properties[i].name == 10989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin TGSI_PROPERTY_GS_INPUT_PRIM) 11089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin gs->input_primitive = gs->info.properties[i].data[0]; 11189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin else if (gs->info.properties[i].name == 11289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin TGSI_PROPERTY_GS_OUTPUT_PRIM) 11389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin gs->output_primitive = gs->info.properties[i].data[0]; 11489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin else if (gs->info.properties[i].name == 115d4ef0f6c67aefe06d8dd647acf8d9005df39a709Zack Rusin TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES) 11689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin gs->max_output_vertices = gs->info.properties[i].data[0]; 11789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin } 11889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 11989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin gs->machine = draw->gs.machine; 12089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 12189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin if (gs) 12289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin { 12389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin uint i; 12489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin for (i = 0; i < gs->info.num_outputs; i++) { 12589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin if (gs->info.output_semantic_name[i] == TGSI_SEMANTIC_POSITION && 12689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin gs->info.output_semantic_index[i] == 0) 12789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin gs->position_output = i; 12889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin } 12989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin } 13089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 13189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin return gs; 13289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin} 13389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 13489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusinvoid draw_bind_geometry_shader(struct draw_context *draw, 13589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin struct draw_geometry_shader *dgs) 13689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin{ 13789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin draw_do_flush(draw, DRAW_FLUSH_STATE_CHANGE); 13889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 13989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin if (dgs) { 14089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin draw->gs.geometry_shader = dgs; 14189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin draw->gs.num_gs_outputs = dgs->info.num_outputs; 14289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin draw->gs.position_output = dgs->position_output; 14389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin draw_geometry_shader_prepare(dgs, draw); 14489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin } 14589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin else { 14689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin draw->gs.geometry_shader = NULL; 14789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin draw->gs.num_gs_outputs = 0; 14889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin } 14989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin} 15089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 15189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusinvoid draw_delete_geometry_shader(struct draw_context *draw, 15289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin struct draw_geometry_shader *dgs) 15389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin{ 15489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin FREE(dgs); 15589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin} 15689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 15789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusinstatic INLINE int num_vertices_for_prim(int prim) 15889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin{ 15989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin switch(prim) { 16089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin case PIPE_PRIM_POINTS: 16189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin return 1; 16289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin case PIPE_PRIM_LINES: 16389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin return 2; 16489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin case PIPE_PRIM_LINE_LOOP: 16589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin return 2; 16689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin case PIPE_PRIM_LINE_STRIP: 16789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin return 2; 16889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin case PIPE_PRIM_TRIANGLES: 16989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin return 3; 17089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin case PIPE_PRIM_TRIANGLE_STRIP: 17189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin return 3; 17289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin case PIPE_PRIM_TRIANGLE_FAN: 17389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin return 3; 17489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin case PIPE_PRIM_LINES_ADJACENCY: 17589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin case PIPE_PRIM_LINE_STRIP_ADJACENCY: 17689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin return 4; 17789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin case PIPE_PRIM_TRIANGLES_ADJACENCY: 17889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY: 17989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin return 6; 18089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin default: 18189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin assert(!"Bad geometry shader input"); 18289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin return 0; 18389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin } 18489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin} 18589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 18689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusinstatic void draw_fetch_geometry_input(struct draw_geometry_shader *shader, 18789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin int start_primitive, 18889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin int num_primitives, 18989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin const float (*input_ptr)[4], 19089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin unsigned input_vertex_stride, 19189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin unsigned inputs_from_vs) 19289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin{ 19389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin struct tgsi_exec_machine *machine = shader->machine; 19489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin unsigned slot, vs_slot, k, j; 19589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin unsigned num_vertices = num_vertices_for_prim(shader->input_primitive); 19689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin int idx = 0; 19789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 19889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin for (slot = 0, vs_slot = 0; slot < shader->info.num_inputs; slot++) { 199b0bc582db761ea3f47580dd2908a227987177dc2Zack Rusin /*debug_printf("Slot = %d (semantic = %d)\n", slot, 200b0bc582db761ea3f47580dd2908a227987177dc2Zack Rusin shader->info.input_semantic_name[slot]);*/ 20189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin if (shader->info.input_semantic_name[slot] == 202fb0a9aa5e0476d8ca332753f52a9e56f9cfa8dfaZack Rusin TGSI_SEMANTIC_PRIMID) { 20389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin for (j = 0; j < num_primitives; ++j) { 204fb0a9aa5e0476d8ca332753f52a9e56f9cfa8dfaZack Rusin machine->Inputs[idx].xyzw[0].f[j] = (float)start_primitive + j; 205fb0a9aa5e0476d8ca332753f52a9e56f9cfa8dfaZack Rusin machine->Inputs[idx].xyzw[1].f[j] = (float)start_primitive + j; 206fb0a9aa5e0476d8ca332753f52a9e56f9cfa8dfaZack Rusin machine->Inputs[idx].xyzw[2].f[j] = (float)start_primitive + j; 207fb0a9aa5e0476d8ca332753f52a9e56f9cfa8dfaZack Rusin machine->Inputs[idx].xyzw[3].f[j] = (float)start_primitive + j; 20889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin } 20989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin ++idx; 21089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin } else { 21189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin for (j = 0; j < num_primitives; ++j) { 21289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin int vidx = idx; 21389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin const float (*prim_ptr)[4]; 214b0bc582db761ea3f47580dd2908a227987177dc2Zack Rusin /*debug_printf(" %d) Prim (num_verts = %d)\n", start_primitive + j, 215b0bc582db761ea3f47580dd2908a227987177dc2Zack Rusin num_vertices);*/ 21689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin prim_ptr = (const float (*)[4])( 21789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin (const char *)input_ptr + 21889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin (j * num_vertices * input_vertex_stride)); 21989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 22089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin for (k = 0; k < num_vertices; ++k, ++vidx) { 22189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin const float (*input)[4]; 22289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin input = (const float (*)[4])( 22389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin (const char *)prim_ptr + (k * input_vertex_stride)); 22449155c3264d019869fadde50ff6167a369e966b6Zack Rusin vidx = k * TGSI_EXEC_MAX_INPUT_ATTRIBS + slot; 225b0bc582db761ea3f47580dd2908a227987177dc2Zack Rusin /*debug_printf("\t%d)(%d) Input vert:\n", vidx, k);*/ 22689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin#if 1 22789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin assert(!util_is_inf_or_nan(input[vs_slot][0])); 22889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin assert(!util_is_inf_or_nan(input[vs_slot][1])); 22989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin assert(!util_is_inf_or_nan(input[vs_slot][2])); 23089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin assert(!util_is_inf_or_nan(input[vs_slot][3])); 23189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin#endif 23289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin machine->Inputs[vidx].xyzw[0].f[j] = input[vs_slot][0]; 23389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin machine->Inputs[vidx].xyzw[1].f[j] = input[vs_slot][1]; 23489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin machine->Inputs[vidx].xyzw[2].f[j] = input[vs_slot][2]; 23589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin machine->Inputs[vidx].xyzw[3].f[j] = input[vs_slot][3]; 23689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin#if 0 23789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin debug_printf("\t\t%d %f %f %f %f\n", slot, 23889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin machine->Inputs[vidx].xyzw[0].f[j], 23989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin machine->Inputs[vidx].xyzw[1].f[j], 24089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin machine->Inputs[vidx].xyzw[2].f[j], 24189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin machine->Inputs[vidx].xyzw[3].f[j]); 24289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin#endif 24389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin } 24489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin } 24589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin ++vs_slot; 24689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin idx += num_vertices; 24789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin } 24889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin } 24989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin} 250d4ef0f6c67aefe06d8dd647acf8d9005df39a709Zack Rusin/*#define DEBUG_OUTPUTS 1*/ 25189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusinstatic INLINE void 25289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusindraw_geometry_fetch_outputs(struct draw_geometry_shader *shader, 25389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin int num_primitives, 25489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin float (*output)[4], 25589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin unsigned vertex_size) 25689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin{ 25789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin struct tgsi_exec_machine *machine = shader->machine; 25889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin unsigned prim_idx, j, slot; 25989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 26089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin /* Unswizzle all output results. 26189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin */ 26289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin /* FIXME: handle all the primitives produced by the gs, not just 26389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin * the first one 26489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin unsigned prim_count = 26589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin mach->Temps[TEMP_PRIMITIVE_I].xyzw[TEMP_PRIMITIVE_C].u[0];*/ 266d4ef0f6c67aefe06d8dd647acf8d9005df39a709Zack Rusin 267d4ef0f6c67aefe06d8dd647acf8d9005df39a709Zack Rusin shader->emitted_primitives += num_primitives; 26889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin for (prim_idx = 0; prim_idx < num_primitives; ++prim_idx) { 26989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin unsigned num_verts_per_prim = machine->Primitives[0]; 270d4ef0f6c67aefe06d8dd647acf8d9005df39a709Zack Rusin shader->emitted_vertices += num_verts_per_prim; 27189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin for (j = 0; j < num_verts_per_prim; j++) { 27289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin int idx = (prim_idx * num_verts_per_prim + j) * 27389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin shader->info.num_outputs; 27489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin#ifdef DEBUG_OUTPUTS 27589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin debug_printf("%d) Output vert:\n", idx); 27689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin#endif 27789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin for (slot = 0; slot < shader->info.num_outputs; slot++) { 27889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin output[slot][0] = machine->Outputs[idx + slot].xyzw[0].f[prim_idx]; 27989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin output[slot][1] = machine->Outputs[idx + slot].xyzw[1].f[prim_idx]; 28089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin output[slot][2] = machine->Outputs[idx + slot].xyzw[2].f[prim_idx]; 28189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin output[slot][3] = machine->Outputs[idx + slot].xyzw[3].f[prim_idx]; 28289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin#ifdef DEBUG_OUTPUTS 28389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin debug_printf("\t%d: %f %f %f %f\n", slot, 28489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin output[slot][0], 28589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin output[slot][1], 28689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin output[slot][2], 28789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin output[slot][3]); 28889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin#endif 28989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin debug_assert(!util_is_inf_or_nan(output[slot][0])); 29089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin } 29189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin output = (float (*)[4])((char *)output + vertex_size); 29289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin } 29389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin } 29489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin} 29589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 296d4ef0f6c67aefe06d8dd647acf8d9005df39a709Zack Rusinint draw_geometry_shader_run(struct draw_geometry_shader *shader, 297d4ef0f6c67aefe06d8dd647acf8d9005df39a709Zack Rusin const float (*input)[4], 298d4ef0f6c67aefe06d8dd647acf8d9005df39a709Zack Rusin float (*output)[4], 299d4ef0f6c67aefe06d8dd647acf8d9005df39a709Zack Rusin const void *constants[PIPE_MAX_CONSTANT_BUFFERS], 300d4ef0f6c67aefe06d8dd647acf8d9005df39a709Zack Rusin unsigned count, 301d4ef0f6c67aefe06d8dd647acf8d9005df39a709Zack Rusin unsigned input_stride, 302d4ef0f6c67aefe06d8dd647acf8d9005df39a709Zack Rusin unsigned vertex_size) 30389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin{ 30489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin struct tgsi_exec_machine *machine = shader->machine; 30589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin unsigned int i; 30689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin unsigned num_vertices = num_vertices_for_prim(shader->input_primitive); 30789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin unsigned num_primitives = count/num_vertices; 30889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin unsigned inputs_from_vs = 0; 30989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 310d4ef0f6c67aefe06d8dd647acf8d9005df39a709Zack Rusin shader->emitted_vertices = 0; 311d4ef0f6c67aefe06d8dd647acf8d9005df39a709Zack Rusin shader->emitted_primitives = 0; 312d4ef0f6c67aefe06d8dd647acf8d9005df39a709Zack Rusin 3137c5f255201f42303188137f56ea8acc030444f0eMichal Krol for (i = 0; i < PIPE_MAX_CONSTANT_BUFFERS; i++) { 3149851644435f991a1a1bbb145333a97601627b37dMichal Krol machine->Consts[i] = constants[i]; 3159851644435f991a1a1bbb145333a97601627b37dMichal Krol } 31689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 31789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin for (i = 0; i < shader->info.num_inputs; ++i) { 318fb0a9aa5e0476d8ca332753f52a9e56f9cfa8dfaZack Rusin if (shader->info.input_semantic_name[i] != TGSI_SEMANTIC_PRIMID) 31989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin ++inputs_from_vs; 32089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin } 32189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 32289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin for (i = 0; i < num_primitives; ++i) { 32389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin unsigned int max_primitives = 1; 32489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 32589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin draw_fetch_geometry_input(shader, i, max_primitives, input, 32689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin input_stride, inputs_from_vs); 32789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 32889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin tgsi_set_exec_mask(machine, 32989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 1, 33089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin max_primitives > 1, 33189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin max_primitives > 2, 33289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin max_primitives > 3); 33389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 33489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin /* run interpreter */ 33589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin tgsi_exec_machine_run(machine); 33689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 33789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin draw_geometry_fetch_outputs(shader, max_primitives, 33889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin output, vertex_size); 33989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin } 340d4ef0f6c67aefe06d8dd647acf8d9005df39a709Zack Rusin return shader->emitted_vertices; 34189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin} 34289d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 34389d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusinvoid draw_geometry_shader_delete(struct draw_geometry_shader *shader) 34489d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin{ 34589d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin FREE((void*) shader->state.tokens); 34689d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin FREE(shader); 34789d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin} 34889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin 34989d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusinvoid draw_geometry_shader_prepare(struct draw_geometry_shader *shader, 35089d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin struct draw_context *draw) 35189d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin{ 3521963112f9d0a2ed8e237641eef8eb384365d1375Zack Rusin if (shader && shader->machine->Tokens != shader->state.tokens) { 3531963112f9d0a2ed8e237641eef8eb384365d1375Zack Rusin tgsi_exec_machine_bind_shader(shader->machine, 3541963112f9d0a2ed8e237641eef8eb384365d1375Zack Rusin shader->state.tokens, 3551963112f9d0a2ed8e237641eef8eb384365d1375Zack Rusin draw->gs.num_samplers, 3561963112f9d0a2ed8e237641eef8eb384365d1375Zack Rusin draw->gs.samplers); 3571963112f9d0a2ed8e237641eef8eb384365d1375Zack Rusin } 35889d8577fb3036547ef0b47498cc8dc5c77f886e0Zack Rusin} 359