From: Marek Olšák <[email protected]>
---
.../execution/fs-texture-select.shader_test | 34 ++++++++++++++++++++++
1 file changed, 34 insertions(+)
create mode 100644 tests/spec/glsl-1.10/execution/fs-texture-select.shader_test
diff --git a/tests/spec/glsl-1.10/execution/fs-texture-select.shader_test
b/tests/spec/glsl-1.10/execution/fs-texture-select.shader_test
new file mode 100644
index 0000000..4fd57c6
--- /dev/null
+++ b/tests/spec/glsl-1.10/execution/fs-texture-select.shader_test
@@ -0,0 +1,34 @@
+# Even columns fetch from tex0 (black), while odd columns fetch from tex1
(white).
+# The shader inverts the color of even collumns to get make them white,
+# so the final image should be completely white.
+#
+# At the moment, radeonsi miscompiles this shader and only fetches from tex0
+# in both cases.
+
+[require]
+GLSL >= 1.10
+
+[vertex shader passthrough]
+
+[fragment shader]
+uniform sampler2D tex0, tex1;
+
+void main()
+{
+ bool pat = fract(gl_FragCoord.x / 2.0) < 0.5;
+ gl_FragColor = pat ?
+ texture2D(tex0, gl_TexCoord[0].xy) :
+ texture2D(tex1, gl_TexCoord[0].xy);
+
+ if (pat)
+ gl_FragColor = vec4(1.0) - gl_FragColor;
+}
+
+[test]
+texture checkerboard 0 0 (8, 8) (0, 0, 0, 0) (0, 0, 0, 0)
+texture checkerboard 1 0 (8, 8) (1, 1, 1, 1) (1, 1, 1, 1)
+
+uniform int tex0 0
+uniform int tex1 1
+draw rect -1 -1 2 2
+probe all rgba 1.0 1.0 1.0 1.0
--
2.7.4
_______________________________________________
Piglit mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/piglit
