added BIL_MixTriangle test. This tests support for location on varyings
through BIL.
diff --git a/tests/compiler_render_tests.cpp b/tests/compiler_render_tests.cpp
index 44683e8..a30da59 100644
--- a/tests/compiler_render_tests.cpp
+++ b/tests/compiler_render_tests.cpp
@@ -1757,6 +1757,50 @@
DrawTriangleTest(vertShaderText, fragShaderText);
}
+TEST_F(XglRenderTest, BIL_MixTriangle)
+{
+ bool saved_use_bil = XglTestFramework::m_use_bil;
+
+ // This tests location applied to varyings. Notice that we have switched foo
+ // and bar in the FS. The triangle should be blended with red, green and blue
+ // corners.
+ static const char *vertShaderText =
+ "#version 140\n"
+ "#extension GL_ARB_separate_shader_objects : enable\n"
+ "#extension GL_ARB_shading_language_420pack : enable\n"
+ "layout (location=0) out vec4 bar;\n"
+ "layout (location=1) out vec4 foo;\n"
+ "layout (location=2) out vec4 scale;\n"
+ "vec2 vertices[3];\n"
+ "void main() {\n"
+ " vertices[0] = vec2(-1.0, -1.0);\n"
+ " vertices[1] = vec2( 1.0, -1.0);\n"
+ " vertices[2] = vec2( 0.0, 1.0);\n"
+ "vec4 colors[3];\n"
+ " colors[0] = vec4(1.0, 0.0, 0.0, 1.0);\n"
+ " colors[1] = vec4(0.0, 1.0, 0.0, 1.0);\n"
+ " colors[2] = vec4(0.0, 0.0, 1.0, 1.0);\n"
+ " foo = colors[gl_VertexID % 3];\n"
+ " bar = vec4(1.0, 1.0, 1.0, 1.0);\n"
+ " scale.x = 0.0;\n"
+ " gl_Position = vec4(vertices[gl_VertexID % 3], 0.0, 1.0);\n"
+ "}\n";
+
+ static const char *fragShaderText =
+ "#version 140\n"
+ "#extension GL_ARB_separate_shader_objects : enable\n"
+ "#extension GL_ARB_shading_language_420pack : enable\n"
+ "layout (location=1) in vec4 bar;\n"
+ "layout (location=0) in vec4 foo;\n"
+ "layout (location=2) in vec4 scale;\n"
+ "void main() {\n"
+ " gl_FragColor = bar + foo * scale.x;\n"
+ "}\n";
+ XglTestFramework::m_use_bil = true;
+ DrawTriangleTest(vertShaderText, fragShaderText);
+ XglTestFramework::m_use_bil = saved_use_bil;
+}
+
TEST_F(XglRenderTest, TriangleFragUniform)
{