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tgsi: remove special-case code for fragment position

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Since the origin_lower_left / pixel_center_origin changes, we need
to use the fragcoord info that's set up in setup_fragcoord_coeff().
The code in exec_declaration() was clobbering the the interpolated
fragment position.

Fixes progs/glsl/fragcoord.c demo.
This commit is contained in:
Brian Paul 2010-02-05 09:42:00 -07:00
parent 476b668ccc
commit cea2b8d656
1 changed files with 1 additions and 7 deletions
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8
src/gallium/auxiliary/tgsi/tgsi_exec.c
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@ -1761,13 +1761,7 @@ exec_declaration(struct tgsi_exec_machine *mach,
last = decl->Range.Last;
mask = decl->Declaration.UsageMask;
if (decl->Semantic.Name == TGSI_SEMANTIC_POSITION) {
assert(decl->Semantic.Index == 0);
assert(first == last);
assert(mask == TGSI_WRITEMASK_XYZW);
mach->Inputs[first] = mach->QuadPos;
} else if (decl->Semantic.Name == TGSI_SEMANTIC_FACE) {
if (decl->Semantic.Name == TGSI_SEMANTIC_FACE) {
uint i;
assert(decl->Semantic.Index == 0);