With no layered fb and unconfigured viewports, the values of gl_Layer/gl_ViewportIndex shouldn't matter for rendering. Make sure that they're being passed through correctly from GS to FS.
Signed-off-by: Ilia Mirkin <[email protected]> --- These apply on top of ChrisF's series. .../layer-gs-write-simple.shader_test | 70 +++++++++++++++++++++ .../viewport-gs-write-simple.shader_test | 72 ++++++++++++++++++++++ 2 files changed, 142 insertions(+) create mode 100644 tests/spec/arb_fragment_layer_viewport/layer-gs-write-simple.shader_test create mode 100644 tests/spec/arb_fragment_layer_viewport/viewport-gs-write-simple.shader_test diff --git a/tests/spec/arb_fragment_layer_viewport/layer-gs-write-simple.shader_test b/tests/spec/arb_fragment_layer_viewport/layer-gs-write-simple.shader_test new file mode 100644 index 0000000..1d27dde --- /dev/null +++ b/tests/spec/arb_fragment_layer_viewport/layer-gs-write-simple.shader_test @@ -0,0 +1,70 @@ +[require] +GLSL >= 1.50 +GL_ARB_fragment_layer_viewport + +[vertex shader] +#version 150 +in vec4 piglit_vertex; + +void main() +{ + gl_Position = piglit_vertex; +} + +[geometry shader] +#version 150 + +layout(triangles) in; +layout(triangle_strip, max_vertices=3) out; +uniform int layer; + +void main() +{ + for (int i = 0; i < 3; i++) { + gl_Position = gl_in[i].gl_Position; + gl_Layer = layer; + EmitVertex(); + } +} + +[fragment shader] +#version 150 +#extension GL_ARB_fragment_layer_viewport: require + +uniform int layer; + +void main() +{ + if (gl_Layer == layer) + gl_FragColor = vec4(0,1,0,0); + else + gl_FragColor = vec4(1,0,0,0); +} + +[test] +clear color 0.0 0.0 0.0 0.0 + +clear +uniform int layer 0 +draw rect -1 -1 2 2 +probe all rgb 0.0 1.0 0.0 + +clear +uniform int layer 1 +draw rect -1 -1 2 2 +probe all rgb 0.0 1.0 0.0 + +clear +uniform int layer 10 +draw rect -1 -1 2 2 +probe all rgb 0.0 1.0 0.0 + +clear +uniform int layer 100 +draw rect -1 -1 2 2 +probe all rgb 0.0 1.0 0.0 + +clear +uniform int layer -1 +draw rect -1 -1 2 2 +probe all rgb 0.0 1.0 0.0 diff --git a/tests/spec/arb_fragment_layer_viewport/viewport-gs-write-simple.shader_test b/tests/spec/arb_fragment_layer_viewport/viewport-gs-write-simple.shader_test new file mode 100644 index 0000000..06abd96 --- /dev/null +++ b/tests/spec/arb_fragment_layer_viewport/viewport-gs-write-simple.shader_test @@ -0,0 +1,72 @@ +[require] +GLSL >= 1.50 +GL_ARB_fragment_layer_viewport +GL_ARB_viewport_array + +[vertex shader] +#version 150 +in vec4 piglit_vertex; + +void main() +{ + gl_Position = piglit_vertex; +} + +[geometry shader] +#version 150 +#extension GL_ARB_viewport_array: enable + +layout(triangles) in; +layout(triangle_strip, max_vertices=3) out; +uniform int viewport; + +void main() +{ + for (int i = 0; i < 3; i++) { + gl_Position = gl_in[i].gl_Position; + gl_ViewportIndex = viewport; + EmitVertex(); + } +} + +[fragment shader] +#version 150 +#extension GL_ARB_fragment_layer_viewport: require + +uniform int viewport; + +void main() +{ + if (gl_ViewportIndex == viewport) + gl_FragColor = vec4(0,1,0,0); + else + gl_FragColor = vec4(1,0,0,0); +} + +[test] +clear color 0.0 0.0 0.0 0.0 + +clear +uniform int viewport 0 +draw rect -1 -1 2 2 +probe all rgb 0.0 1.0 0.0 + +clear +uniform int viewport 1 +draw rect -1 -1 2 2 +probe all rgb 0.0 1.0 0.0 + +clear +uniform int viewport 10 +draw rect -1 -1 2 2 +probe all rgb 0.0 1.0 0.0 + +clear +uniform int viewport 100 +draw rect -1 -1 2 2 +probe all rgb 0.0 1.0 0.0 + +clear +uniform int viewport -1 +draw rect -1 -1 2 2 +probe all rgb 0.0 1.0 0.0 -- 1.8.5.5 _______________________________________________ Piglit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/piglit
