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/********************************************************** |
* 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. |
* |
**********************************************************/ |
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#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" |
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#include "svga_context.h" |
#include "svga_tgsi.h" |
#include "svga_hw_reg.h" |
#include "svga_cmd.h" |
#include "svga_debug.h" |
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/** |
* Substitute a debug shader. |
*/ |
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]; |
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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" |
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" MOV TEMP[2].xyz, IN[2]\n" |
" MOV TEMP[2].xyz, IN[0]\n" |
" MOV TEMP[2].xyz, IN[1]\n" |
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" 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" |
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" MOV OUT[0], TEMP[4]\n" |
" END\n"; |
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if (!tgsi_text_translate(text, |
tokens, |
Elements(tokens))) |
{ |
assert(0); |
return NULL; |
} |
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return tokens; |
} |
#endif |
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return old_tokens; |
} |
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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; |
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/* substitute a debug shader? |
*/ |
vs->base.tokens = tgsi_dup_tokens(substitute_vs(svga->debug.shader_id, |
templ->tokens)); |
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/* Collect basic info that we'll need later: |
*/ |
tgsi_scan_shader(vs->base.tokens, &vs->base.info); |
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{ |
/* 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); |
} |
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vs->base.id = svga->debug.shader_id++; |
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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); |
} |
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return vs; |
} |
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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); |
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svga->curr.vs = vs; |
svga->dirty |= SVGA_NEW_VS; |
} |
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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; |
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svga_hwtnl_flush_retry(svga); |
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draw_delete_vertex_shader(svga->swtnl.draw, vs->draw_shader); |
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for (result = vs->base.results; result; result = tmp) { |
tmp = result->next; |
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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); |
} |
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util_bitmask_clear(svga->vs_bm, result->id); |
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svga_destroy_shader_result(result); |
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/* |
* 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; |
} |
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FREE((void *)vs->base.tokens); |
FREE(vs); |
} |
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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; |
} |
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