preparing for source blending with GL_RGBA16F and GL_RGBA32F.
Signed-off-by: Topi Pohjolainen <topi.pohjolai...@intel.com>
---
.../draw-buffers-common.cpp | 20 +++++++++++++++++---
1 file changed, 17 insertions(+), 3 deletions(-)
diff --git a/tests/spec/ext_framebuffer_multisample/draw-buffers-common.cpp
b/tests/spec/ext_framebuffer_multisample/draw-buffers-common.cpp
index 9f92abdd1..8f0088c97 100644
--- a/tests/spec/ext_framebuffer_multisample/draw-buffers-common.cpp
+++ b/tests/spec/ext_framebuffer_multisample/draw-buffers-common.cpp
@@ -443,8 +443,14 @@ compute_blend_color(float *frag_color, int rect_count,
bg_color[j] *
dst_blend_factor;
- frag_color[rect_count * num_components + j] =
- (blend_color > 1) ? 1.0 : blend_color;
+ /* Clamp to [0, 1.0] for UNORM */
+ if (resolve_fbo.config.color_internalformat == GL_RGBA) {
+ frag_color[rect_count * num_components + j] =
+ (blend_color > 1) ? 1.0 : blend_color;
+ } else {
+ frag_color[rect_count * num_components + j] =
+ blend_color;
+ }
}
}
@@ -573,7 +579,15 @@ compute_expected(bool sample_alpha_to_coverage,
* the fragment alpha values of draw buffer zero
*/
float frag_alpha = color[i * num_components + 3];
- coverage[i] = (frag_alpha < 1.0) ? frag_alpha : 1.0;
+
+ /* Clamp to [0, 1.0] for UNORM */
+ if (resolve_fbo.config.color_internalformat ==
+ GL_RGBA) {
+ coverage[i] = (frag_alpha < 1.0) ?
+ frag_alpha : 1.0;
+ } else {
+ coverage[i] = frag_alpha;
+ }
}
}
else {
--
2.11.0
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