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vc4: Move the output semantics setup to a helper. 

I want to reuse it elsewhere to set up outputs that aren't in the TGSI.
This commit is contained in:
Eric Anholt 2014-10-15 16:39:54 +01:00
parent 39a5a60b57
commit 6a0bf67048
1 changed files with 28 additions and 16 deletions
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44
src/gallium/drivers/vc4/vc4_program.c
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@ -1020,6 +1020,29 @@ emit_face_input(struct vc4_compile *c, int attr)
c->inputs[attr * 4 + 3] = qir_uniform_f(c, 1.0);
}
static void
add_output(struct vc4_compile *c,
uint32_t decl_offset,
uint8_t semantic_name,
uint8_t semantic_index,
uint8_t semantic_swizzle)
{
uint32_t old_array_size = c->outputs_array_size;
resize_qreg_array(c, &c->outputs, &c->outputs_array_size,
decl_offset + 1);
if (old_array_size != c->outputs_array_size) {
c->output_semantics = reralloc(c,
c->output_semantics,
struct vc4_varying_semantic,
c->outputs_array_size);
}
c->output_semantics[decl_offset].semantic = semantic_name;
c->output_semantics[decl_offset].index = semantic_index;
c->output_semantics[decl_offset].swizzle = semantic_swizzle;
}
static void
emit_tgsi_declaration(struct vc4_compile *c,
struct tgsi_full_declaration *decl)
@ -1062,23 +1085,12 @@ emit_tgsi_declaration(struct vc4_compile *c,
break;
case TGSI_FILE_OUTPUT: {
uint32_t old_array_size = c->outputs_array_size;
resize_qreg_array(c, &c->outputs, &c->outputs_array_size,
(decl->Range.Last + 1) * 4);
if (old_array_size != c->outputs_array_size) {
c->output_semantics = reralloc(c,
c->output_semantics,
struct vc4_varying_semantic,
c->outputs_array_size);
}
struct vc4_varying_semantic *sem =
&c->output_semantics[decl->Range.First * 4];
for (int i = 0; i < 4; i++) {
sem[i].semantic = decl->Semantic.Name;
sem[i].index = decl->Semantic.Index;
sem[i].swizzle = i;
add_output(c,
decl->Range.First * 4 + i,
decl->Semantic.Name,
decl->Semantic.Index,
i);
}
switch (decl->Semantic.Name) {