| /********************************************************** |
| * Copyright 2008-2009 VMware, Inc. All rights reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person |
| * obtaining a copy of this software and associated documentation |
| * files (the "Software"), to deal in the Software without |
| * restriction, including without limitation the rights to use, copy, |
| * modify, merge, publish, distribute, sublicense, and/or sell copies |
| * of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be |
| * included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| * |
| **********************************************************/ |
| |
| #include "draw/draw_context.h" |
| #include "util/u_inlines.h" |
| #include "util/u_math.h" |
| #include "util/u_memory.h" |
| #include "util/u_bitmask.h" |
| #include "tgsi/tgsi_parse.h" |
| #include "tgsi/tgsi_text.h" |
| |
| #include "svga_context.h" |
| #include "svga_tgsi.h" |
| #include "svga_hw_reg.h" |
| #include "svga_cmd.h" |
| #include "svga_debug.h" |
| |
| |
| static const struct tgsi_token *substitute_vs( |
| unsigned shader_id, |
| const struct tgsi_token *old_tokens ) |
| { |
| #if 0 |
| if (shader_id == 12) { |
| static struct tgsi_token tokens[300]; |
| |
| const char *text = |
| "VERT\n" |
| "DCL IN[0]\n" |
| "DCL IN[1]\n" |
| "DCL IN[2]\n" |
| "DCL OUT[0], POSITION\n" |
| "DCL TEMP[0..4]\n" |
| "IMM FLT32 { 1.0000, 1.0000, 1.0000, 1.0000 }\n" |
| "IMM FLT32 { 0.45, 1.0000, 1.0000, 1.0000 }\n" |
| "IMM FLT32 { 1.297863, 0.039245, 0.035993, 0.035976}\n" |
| "IMM FLT32 { -0.019398, 1.696131, -0.202151, -0.202050 }\n" |
| "IMM FLT32 { 0.051711, -0.348713, -0.979204, -0.978714 }\n" |
| "IMM FLT32 { 0.000000, 0.000003, 139.491577, 141.421356 }\n" |
| "DCL CONST[0..7]\n" |
| "DCL CONST[9..16]\n" |
| " MOV TEMP[2], IMM[0]\n" |
| |
| " MOV TEMP[2].xyz, IN[2]\n" |
| " MOV TEMP[2].xyz, IN[0]\n" |
| " MOV TEMP[2].xyz, IN[1]\n" |
| |
| " MUL TEMP[1], IMM[3], TEMP[2].yyyy\n" |
| " MAD TEMP[3], IMM[2], TEMP[2].xxxx, TEMP[1]\n" |
| " MAD TEMP[1], IMM[4], TEMP[2].zzzz, TEMP[3]\n" |
| " MAD TEMP[4], IMM[5], TEMP[2].wwww, TEMP[1]\n" |
| |
| " MOV OUT[0], TEMP[4]\n" |
| " END\n"; |
| |
| if (!tgsi_text_translate( text, |
| tokens, |
| Elements(tokens) )) |
| { |
| assert(0); |
| return NULL; |
| } |
| |
| return tokens; |
| } |
| #endif |
| |
| return old_tokens; |
| } |
| |
| |
| /*********************************************************************** |
| * Vertex shaders |
| */ |
| |
| static void * |
| svga_create_vs_state(struct pipe_context *pipe, |
| const struct pipe_shader_state *templ) |
| { |
| struct svga_context *svga = svga_context(pipe); |
| struct svga_vertex_shader *vs = CALLOC_STRUCT(svga_vertex_shader); |
| if (!vs) |
| return NULL; |
| |
| /* substitute a debug shader? |
| */ |
| vs->base.tokens = tgsi_dup_tokens(substitute_vs(svga->debug.shader_id, |
| templ->tokens)); |
| |
| |
| /* Collect basic info that we'll need later: |
| */ |
| tgsi_scan_shader(vs->base.tokens, &vs->base.info); |
| |
| { |
| /* Need to do construct a new template in case we substitued a |
| * debug shader. |
| */ |
| struct pipe_shader_state tmp2 = *templ; |
| tmp2.tokens = vs->base.tokens; |
| vs->draw_shader = draw_create_vertex_shader(svga->swtnl.draw, &tmp2); |
| } |
| |
| vs->base.id = svga->debug.shader_id++; |
| |
| if (SVGA_DEBUG & DEBUG_TGSI || 0) { |
| debug_printf("%s id: %u, inputs: %u, outputs: %u\n", |
| __FUNCTION__, vs->base.id, |
| vs->base.info.num_inputs, vs->base.info.num_outputs); |
| } |
| |
| return vs; |
| } |
| |
| static void svga_bind_vs_state(struct pipe_context *pipe, void *shader) |
| { |
| struct svga_vertex_shader *vs = (struct svga_vertex_shader *)shader; |
| struct svga_context *svga = svga_context(pipe); |
| |
| svga->curr.vs = vs; |
| svga->dirty |= SVGA_NEW_VS; |
| } |
| |
| |
| static void svga_delete_vs_state(struct pipe_context *pipe, void *shader) |
| { |
| struct svga_context *svga = svga_context(pipe); |
| struct svga_vertex_shader *vs = (struct svga_vertex_shader *)shader; |
| struct svga_shader_result *result, *tmp; |
| enum pipe_error ret; |
| |
| svga_hwtnl_flush_retry( svga ); |
| |
| draw_delete_vertex_shader(svga->swtnl.draw, vs->draw_shader); |
| |
| for (result = vs->base.results; result; result = tmp ) { |
| tmp = result->next; |
| |
| ret = SVGA3D_DestroyShader(svga->swc, |
| result->id, |
| SVGA3D_SHADERTYPE_VS ); |
| if(ret != PIPE_OK) { |
| svga_context_flush(svga, NULL); |
| ret = SVGA3D_DestroyShader(svga->swc, |
| result->id, |
| SVGA3D_SHADERTYPE_VS ); |
| assert(ret == PIPE_OK); |
| } |
| |
| util_bitmask_clear( svga->vs_bm, result->id ); |
| |
| svga_destroy_shader_result( result ); |
| |
| /* |
| * Remove stale references to this result to ensure a new result on the |
| * same address will be detected as a change. |
| */ |
| if(result == svga->state.hw_draw.vs) |
| svga->state.hw_draw.vs = NULL; |
| } |
| |
| FREE((void *)vs->base.tokens); |
| FREE(vs); |
| } |
| |
| |
| void svga_init_vs_functions( struct svga_context *svga ) |
| { |
| svga->pipe.create_vs_state = svga_create_vs_state; |
| svga->pipe.bind_vs_state = svga_bind_vs_state; |
| svga->pipe.delete_vs_state = svga_delete_vs_state; |
| } |
| |