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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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15
src/mesa/state_tracker/st_atom_constbuf.c
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@@ -64,6 +64,21 @@ void st_upload_constants( struct st_context *st,
shader_type == PIPE_SHADER_TESS_EVAL ||
shader_type == PIPE_SHADER_COMPUTE);
/* update the ATI constants before rendering */
struct ati_fragment_shader *ati_fs = st->fp->ati_fs;
if (shader_type == PIPE_SHADER_FRAGMENT && ati_fs) {
unsigned c;
for (c = 0; c < MAX_NUM_FRAGMENT_CONSTANTS_ATI; c++) {
if (ati_fs->LocalConstDef & (1 << c))
memcpy(params->ParameterValues[c],
ati_fs->Constants[c], sizeof(GLfloat) * 4);
else
memcpy(params->ParameterValues[c],
st->ctx->ATIFragmentShader.GlobalConstants[c], sizeof(GLfloat) * 4);
}
}
/* update constants */
if (params && params->NumParameters) {
struct pipe_constant_buffer cb;