Mesa (image-store-array): arb_shader_image_load_store: test storing to two different image formats.

[GitLab Mirror]

Module: Mesa
Branch: image-store-array
Commit: 875cf5e1c6d9159627a75f8419669b72cf8576ff
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=875cf5e1c6d9159627a75f8419669b72cf8576ff

Author: Dave Airlie <airlied at redhat.com>
Date:   Tue Jun 16 16:30:07 2020 +1000

arb_shader_image_load_store: test storing to two different image formats.

This is a corner case I needed to handle in llvmpipe.

---

 .../execution/imageStore-array.shader_test         | 81 ++++++++++++++++++++++
 1 file changed, 81 insertions(+)

diff --git a/tests/spec/arb_shader_image_load_store/execution/imageStore-array.shader_test b/tests/spec/arb_shader_image_load_store/execution/imageStore-array.shader_test
new file mode 100644
index 00000000000..f232e9f3427
--- /dev/null
+++ b/tests/spec/arb_shader_image_load_store/execution/imageStore-array.shader_test
@@ -0,0 +1,81 @@
+# Verify writing storing to images with different formats in array works
+
+[require]
+GL >= 3.3
+GLSL >= 3.30
+GL_ARB_shader_image_load_store
+GL_ARB_gpu_shader5
+
+[vertex shader]
+#version 130
+in vec4 piglit_vertex;
+
+void main()
+{
+	gl_Position = piglit_vertex;
+}
+
+[fragment shader]
+#version 330
+#extension GL_ARB_shader_image_load_store: enable
+
+uniform vec4 color;
+uniform int idx;
+writeonly uniform image2D tex[2];
+out vec4 outcolor;
+
+void main()
+{
+	imageStore(tex[idx], ivec2(gl_FragCoord.xy), color);
+	outcolor = vec4(0.0, 0.0, 0.0, 1.0);
+}
+
+[test]
+# Texture 0 is the imageStore output.
+uniform int tex 0
+texture rgbw 0 (16, 16) GL_RGBA8
+image texture 0 GL_RGBA8
+
+uniform int tex 1
+texture rgbw 1 (16, 16) GL_RGBA32F
+image texture 1 GL_RGBA32F
+
+# Texture 2 is the rendering output. We don't care about this.
+texture rgbw 2 (16, 16) GL_RGBA8
+
+# Store red using imageStore
+uniform vec4 color 1.0 0.0 0.0 1.0
+uniform int idx 0
+fb tex 2d 2
+draw rect -1 -1 2 2
+
+uniform vec4 color 1.0 0.0 0.0 1.0
+uniform int idx 1
+fb tex 2d 2
+draw rect -1 -1 2 2
+
+# Test the result of imageStore
+memory barrier GL_FRAMEBUFFER_BARRIER_BIT
+fb tex 2d 0
+probe all rgba 1.0 0.0 0.0 1.0
+
+fb tex 2d 1
+probe all rgba 1.0 0.0 0.0 1.0
+
+# Store green using imageStore
+uniform vec4 color 0.0 1.0 0.0 1.0
+uniform int idx 0
+fb tex 2d 2
+draw rect -1 -1 2 2
+
+uniform vec4 color 0.0 1.0 0.0 1.0
+uniform int idx 1
+fb tex 2d 2
+draw rect -1 -1 2 2
+
+# Test the result of imageStore
+memory barrier GL_FRAMEBUFFER_BARRIER_BIT
+fb tex 2d 0
+probe all rgba 0.0 1.0 0.0 1.0
+fb tex 2d 1
+probe all rgba 0.0 1.0 0.0 1.0