Implement generators for framebuffer fetch test cases using desktop GL
features like 1D and layered framebuffers.
---
.../gen_shader_framebuffer_fetch_tests.py | 155 +++++++++++++++++++++
1 file changed, 155 insertions(+)
diff --git a/generated_tests/gen_shader_framebuffer_fetch_tests.py
b/generated_tests/gen_shader_framebuffer_fetch_tests.py
index 157652329..267fad9e2 100644
--- a/generated_tests/gen_shader_framebuffer_fetch_tests.py
+++ b/generated_tests/gen_shader_framebuffer_fetch_tests.py
@@ -868,5 +868,160 @@ def main():
{'name': 'cubemap-gles3', 'target': 'Cube',
'levels': 1, 'layers': 6}]))
+ #
+ # Test framebuffer fetch functionality on a 1D framebuffer.
+ #
+ gen_execution("""\
+ [require]
+ GL >= ${api_version}
+ GLSL >= 1.50
+ GL_ARB_texture_storage
+ GL_${extension}
+
+ [vertex shader]
+ #version 150
+
+ in vec4 vertex;
+ out vec4 vcolor;
+
+ void main()
+ {
+ gl_Position = vertex;
+ // Transform the vertex coordinates so that the R
+ // component of the vertex color ranges between 0.0 and 1.0.
+ vcolor = vec4((1.0 + vertex.x) / 2.0, 0.7, 0.0, 1.0);
+ }
+
+ [fragment shader]
+ #version 150
+ #extension GL_${extension} : enable
+
+ in vec4 vcolor;
+ ${decl_frag_data(api_version, layout)}
+
+ void main()
+ {
+ // The else branch will be executed during the second
+ // overdraw.
+ if (${last_frag_data(api_version)}.x <= 0.5 &&
+ ${last_frag_data(api_version)}.y <= 0.5) {
+ ${frag_data(api_version)} = ${last_frag_data(api_version)} +
+ vcolor;
+ } else {
+ // Will give a solid color as result different for
+ // each half, assuming that the first branch was taken
+ // during the first pass.
+ ${frag_data(api_version)} = ${last_frag_data(api_version)} +
+ vec4((vcolor.x >= 0.5 ? 1.0 : 0.0)
- vcolor.x,
+ (vcolor.y >= 0.5 ? 1.0 : 0.0)
- vcolor.y, 0, 0);
+ }
+ }
+
+ [test]
+ texture storage 0 1D GL_RGBA8 (1 250)
+ fb tex slice 1D 0 0 0
+
+ clear color 0.0 0.0 1.0 0.0
+ clear
+ ${barrier}
+ draw rect -1 -1 2 2
+ ${barrier}
+ draw rect -1 -1 2 2
+
+ relative probe rect rgb (0.0, 0.0, 0.45, 1.0) (0.0, 1.0, 1.0)
+ relative probe rect rgb (0.55, 0.0, 0.45, 1.0) (1.0, 1.0, 1.0)
+
+ fb draw winsys
+ blit color linear
+ """, product(all_defs,
+ [{'name': '1d-gl32',
+ 'api_version': 3.2}]))
+
+ #
+ # Test framebuffer fetch functionality while rendering into
+ # multiple layers of an array or cubemap framebuffer
+ # simultaneously.
+ #
+ gen_execution("""\
+ [require]
+ GL >= ${api_version}
+ GLSL >= 1.50
+ GL_ARB_texture_storage
+ GL_${extension}
+
+ [vertex shader passthrough]
+ [geometry shader]
+ #version 150
+
+ layout(triangles) in;
+ layout(triangle_strip, max_vertices=18) out;
+
+ flat out int glayer;
+
+ void main()
+ {
+ for (int layer = 0; layer < ${layers}; layer++) {
+ for (int i = 0; i < 3; i++) {
+ gl_Position = gl_in[i].gl_Position;
+ gl_Layer = glayer = layer;
+ EmitVertex();
+ }
+ EndPrimitive();
+ }
+ }
+
+ [fragment shader]
+ #version 150
+ #extension GL_${extension} : enable
+
+ flat in int glayer;
+ ${decl_frag_data(api_version, layout)}
+
+ void main()
+ {
+ ${frag_data(api_version)} = ${last_frag_data(api_version)} +
+ (glayer == 5 ? vec4(0.0, 0.5, 0.5, 0.0) :
+ glayer == 4 ? vec4(0.5, 0.0, 0.5, 0.0) :
+ glayer == 3 ? vec4(0.0, 0.0, 0.5, 0.0) :
+ glayer == 2 ? vec4(0.5, 0.5, 0.0, 0.0) :
+ glayer == 1 ? vec4(0.0, 0.5, 0.0, 0.0) :
+ vec4(0.5, 0.0, 0.0, 0.0));
+ }
+
+ [test]
+ texture storage 0 ${target} GL_RGBA8 (${dimensions})
+ fb tex layered 0
+
+ clear color 0.0 0.0 0.5 0.0
+ clear
+ ${barrier}
+ draw rect -1 -1 2 2
+ ${barrier}
+ draw rect -1 -1 2 2
+
+ <%! expected_colors = ['(1.0, 0.0, 0.5)',
+ '(0.0, 1.0, 0.5)',
+ '(1.0, 1.0, 0.5)',
+ '(0.0, 0.0, 1.0)',
+ '(1.0, 0.0, 1.0)',
+ '(0.0, 1.0, 1.0)'] %>
+
+ %for z in range(0, layers):
+ fb tex slice ${target} 0 0 ${z}
+ relative probe rect rgb (0.0, 0.0, 1.0, 1.0) ${expected_colors[z]}
+ %endfor
+
+ fb draw winsys
+ blit color linear
+ """, product(all_defs,
+ [{'name': 'layered-',
+ 'api_version': 3.2}],
+ [{'name': '1darray-gl32', 'target': '1DArray',
+ 'dimensions': '1 250 4', 'layers': 4},
+ {'name': '2darray-gl32', 'target': '2DArray',
+ 'dimensions': '1 250 250 4', 'layers': 4},
+ {'name': 'cubemap-gl32', 'target': 'Cube',
+ 'dimensions': '1 250 250', 'layers': 6}]))
+
if __name__ == '__main__':
main()
--
2.16.1
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