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swr: color interpolation is also supposed to get perspective division

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Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Tim Rowley <timothy.o.rowley@intel.com>
This commit is contained in:
Ilia Mirkin 2016-11-20 21:20:08 -05:00
parent 7cbfe59cf3
commit f6f644ea12
1 changed files with 4 additions and 2 deletions
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6
src/gallium/drivers/swr/swr_shader.cpp
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@ -457,7 +457,8 @@ BuilderSWR::CompileFS(struct swr_context *ctx, swr_jit_fs_key &key)
// load/compute w
Value *vw = nullptr, *pAttribs;
if (interpMode == TGSI_INTERPOLATE_PERSPECTIVE) {
if (interpMode == TGSI_INTERPOLATE_PERSPECTIVE ||
interpMode == TGSI_INTERPOLATE_COLOR) {
pAttribs = pPerspAttribs;
switch (interpLoc) {
case TGSI_INTERPOLATE_LOC_CENTER:
@ -596,7 +597,8 @@ BuilderSWR::CompileFS(struct swr_context *ctx, swr_jit_fs_key &key)
Value *interp1 = FMUL(vb, vj);
interp = FADD(interp, interp1);
interp = FADD(interp, vc);
if (interpMode == TGSI_INTERPOLATE_PERSPECTIVE)
if (interpMode == TGSI_INTERPOLATE_PERSPECTIVE ||
interpMode == TGSI_INTERPOLATE_COLOR)
interp = FMUL(interp, vw);
inputs[attrib][channel] = wrap(interp);
}