Ping? On 11/2/19 3:32 PM, Zebediah Figura wrote: > This test demonstrates https://bugs.freedesktop.org/show_bug.cgi?id=110451. > It fails when using llvmpipe or softpipe. > --- > This is my first patch to piglit, and I do not have commit access. I have > likely > made all manner of stylistic or procedural errors, patience is appreciated :-) > > .../clipped-strip-first.shader_test | 45 +++++++++++++++++++ > 1 file changed, 45 insertions(+) > create mode 100644 > tests/spec/arb_provoking_vertex/clipped-strip-first.shader_test > > diff --git a/tests/spec/arb_provoking_vertex/clipped-strip-first.shader_test > b/tests/spec/arb_provoking_vertex/clipped-strip-first.shader_test > new file mode 100644 > index 0000000..553bf5b > --- /dev/null > +++ b/tests/spec/arb_provoking_vertex/clipped-strip-first.shader_test > @@ -0,0 +1,45 @@ > +# Check that the correct provoking vertex is used when part of the geometry > +# is clipped and the flat interpolation qualifier is used. > + > +[require] > +GLSL >= 1.30 > +GL_EXT_provoking_vertex > + > +[vertex shader] > +#version 130 > + > +in vec4 piglit_vertex; > +in vec3 piglit_color; > +flat out vec4 fscolor; > + > +void main() > +{ > + gl_Position = piglit_vertex; > + fscolor = vec4(piglit_color, 1.0); > +} > + > +[fragment shader] > +#version 130 > + > +flat in vec4 fscolor; > + > +void main() > +{ > + gl_FragColor = fscolor; > +} > + > +[vertex data] > +piglit_vertex/float/2 piglit_color/float/3 > +-2.0 -1.0 0.0 1.0 0.0 > + 2.0 -1.0 0.0 1.0 0.0 > +-2.0 0.0 0.0 1.0 0.0 > + 2.0 0.0 0.0 1.0 0.0 > +-2.0 1.0 1.0 0.0 0.0 > + 2.0 1.0 1.0 0.0 0.0 > + > +[test] > +clear color 0.0 0.0 0.0 0.0 > +clear > +provoking vertex first > +draw arrays GL_TRIANGLE_STRIP 0 6 > +probe all rgba 0.0 1.0 0.0 1.0 >
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