Mesa (master): swr: color interpolation is also supposed to get perspective division
Ilia Mirkin
imirkin at kemper.freedesktop.org
Wed Nov 23 01:29:34 UTC 2016
Module: Mesa
Branch: master
Commit: f6f644ea128f38bdf24fe7e832cdabc18cfdfb0c
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=f6f644ea128f38bdf24fe7e832cdabc18cfdfb0c
Author: Ilia Mirkin <imirkin at alum.mit.edu>
Date: Sun Nov 20 21:20:08 2016 -0500
swr: color interpolation is also supposed to get perspective division
Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
Reviewed-by: Tim Rowley <timothy.o.rowley at intel.com>
---
src/gallium/drivers/swr/swr_shader.cpp | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/gallium/drivers/swr/swr_shader.cpp b/src/gallium/drivers/swr/swr_shader.cpp
index 428c9b3..294a568 100644
--- a/src/gallium/drivers/swr/swr_shader.cpp
+++ b/src/gallium/drivers/swr/swr_shader.cpp
@@ -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);
}
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