diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/drivers/swr/swr_shader.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/gallium/drivers/swr/swr_shader.cpp b/src/gallium/drivers/swr/swr_shader.cpp index 38a916e272c..04637e506f8 100644 --- a/src/gallium/drivers/swr/swr_shader.cpp +++ b/src/gallium/drivers/swr/swr_shader.cpp @@ -480,8 +480,14 @@ BuilderSWR::CompileFS(struct swr_context *ctx, swr_jit_fs_key &key) inputs[attrib][3] = wrap(VIMMED1(1.0f)); continue; } else if (semantic_name == TGSI_SEMANTIC_POSITION) { // gl_FragCoord - inputs[attrib][0] = wrap(LOAD(pPS, {0, SWR_PS_CONTEXT_vX, PixelPositions_center}, "vX")); - inputs[attrib][1] = wrap(LOAD(pPS, {0, SWR_PS_CONTEXT_vY, PixelPositions_center}, "vY")); + if (swr_fs->info.base.properties[TGSI_PROPERTY_FS_COORD_PIXEL_CENTER] == + TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER) { + inputs[attrib][0] = wrap(LOAD(pPS, {0, SWR_PS_CONTEXT_vX, PixelPositions_center}, "vX")); + inputs[attrib][1] = wrap(LOAD(pPS, {0, SWR_PS_CONTEXT_vY, PixelPositions_center}, "vY")); + } else { + inputs[attrib][0] = wrap(LOAD(pPS, {0, SWR_PS_CONTEXT_vX, PixelPositions_UL}, "vX")); + inputs[attrib][1] = wrap(LOAD(pPS, {0, SWR_PS_CONTEXT_vY, PixelPositions_UL}, "vY")); + } inputs[attrib][2] = wrap(LOAD(pPS, {0, SWR_PS_CONTEXT_vZ}, "vZ")); inputs[attrib][3] = wrap(LOAD(pPS, {0, SWR_PS_CONTEXT_vOneOverW, PixelPositions_center}, "vOneOverW")); |