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st/mesa: implement GL_ATI_fragment_shader

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v2: fix arithmetic for special opcodes,
 fix fog state, cleanup
v3: simplify handling of special opcodes,
 fix rebinding with different textargets or fog equation,
 lots of formatting fixes
v4: adapt to the compile early, fix later architecture,
 formatting fixes

Signed-off-by: Miklós Máté <mtmkls@gmail.com>
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Miklós Máté
2016-03-24 01:12:57 +01:00
committed by Marek Olšák
parent d71c1e9e54
commit dee274477f
10 changed files with 1064 additions and 4 deletions
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34
src/mesa/state_tracker/st_program.c
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@@ -53,6 +53,7 @@
#include "st_context.h"
#include "st_program.h"
#include "st_mesa_to_tgsi.h"
#include "st_atifs_to_tgsi.h"
#include "cso_cache/cso_context.h"
@@ -811,7 +812,22 @@ st_translate_fragment_program(struct st_context *st,
free_glsl_to_tgsi_visitor(stfp->glsl_to_tgsi);
stfp->glsl_to_tgsi = NULL;
} else
} else if (stfp->ati_fs)
st_translate_atifs_program(ureg,
stfp->ati_fs,
&stfp->Base.Base,
/* inputs */
fs_num_inputs,
inputMapping,
input_semantic_name,
input_semantic_index,
interpMode,
/* outputs */
fs_num_outputs,
outputMapping,
fs_output_semantic_name,
fs_output_semantic_index);
else
st_translate_mesa_program(st->ctx,
TGSI_PROCESSOR_FRAGMENT,
ureg,
@@ -849,6 +865,16 @@ st_create_fp_variant(struct st_context *st,
assert(!(key->bitmap && key->drawpixels));
/* Fix texture targets and add fog for ATI_fs */
if (stfp->ati_fs) {
const struct tgsi_token *tokens = st_fixup_atifs(tgsi.tokens, key);
if (tokens)
tgsi.tokens = tokens;
else
fprintf(stderr, "mesa: cannot post-process ATI_fs\n");
}
/* Emulate features. */
if (key->clamp_color || key->persample_shading) {
const struct tgsi_token *tokens;
@@ -858,9 +884,11 @@ st_create_fp_variant(struct st_context *st,
tokens = tgsi_emulate(tgsi.tokens, flags);
if (tokens)
if (tokens) {
if (tgsi.tokens != stfp->tgsi.tokens)
tgsi_free_tokens(tgsi.tokens);
tgsi.tokens = tokens;
else
} else
fprintf(stderr, "mesa: cannot emulate deprecated features\n");
}