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authorTony Wasserka <neobrainx@gmail.com>2015-02-01 12:00:10 +0100
committerTony Wasserka <neobrainx@gmail.com>2015-02-01 12:00:10 +0100
commite1f9f9ea048f3f085e50463d9b0c7a0f99d9bc3c (patch)
treef30fcdd81d71e3ba51fc0459a280de8a324e71b6 /src/video_core/rasterizer.cpp
parentMerge pull request #514 from rohit-n/fix-warnings (diff)
parentPica: Implement blend factors. (diff)
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Diffstat (limited to 'src/video_core/rasterizer.cpp')
-rw-r--r--src/video_core/rasterizer.cpp50
1 files changed, 46 insertions, 4 deletions
diff --git a/src/video_core/rasterizer.cpp b/src/video_core/rasterizer.cpp
index 7f66c6d42..845f1c4b2 100644
--- a/src/video_core/rasterizer.cpp
+++ b/src/video_core/rasterizer.cpp
@@ -528,18 +528,48 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0,
auto params = registers.output_merger.alpha_blending;
auto LookupFactorRGB = [&](decltype(params)::BlendFactor factor) -> Math::Vec3<u8> {
- switch(factor) {
+ switch (factor) {
case params.Zero:
return Math::Vec3<u8>(0, 0, 0);
case params.One:
return Math::Vec3<u8>(255, 255, 255);
+ case params.SourceColor:
+ return combiner_output.rgb();
+
+ case params.OneMinusSourceColor:
+ return Math::Vec3<u8>(255 - combiner_output.r(), 255 - combiner_output.g(), 255 - combiner_output.b());
+
+ case params.DestColor:
+ return dest.rgb();
+
+ case params.OneMinusDestColor:
+ return Math::Vec3<u8>(255 - dest.r(), 255 - dest.g(), 255 - dest.b());
+
case params.SourceAlpha:
- return Math::MakeVec(combiner_output.a(), combiner_output.a(), combiner_output.a());
+ return Math::Vec3<u8>(combiner_output.a(), combiner_output.a(), combiner_output.a());
case params.OneMinusSourceAlpha:
- return Math::Vec3<u8>(255-combiner_output.a(), 255-combiner_output.a(), 255-combiner_output.a());
+ return Math::Vec3<u8>(255 - combiner_output.a(), 255 - combiner_output.a(), 255 - combiner_output.a());
+
+ case params.DestAlpha:
+ return Math::Vec3<u8>(dest.a(), dest.a(), dest.a());
+
+ case params.OneMinusDestAlpha:
+ return Math::Vec3<u8>(255 - dest.a(), 255 - dest.a(), 255 - dest.a());
+
+ case params.ConstantColor:
+ return Math::Vec3<u8>(registers.output_merger.blend_const.r, registers.output_merger.blend_const.g, registers.output_merger.blend_const.b);
+
+ case params.OneMinusConstantColor:
+ return Math::Vec3<u8>(255 - registers.output_merger.blend_const.r, 255 - registers.output_merger.blend_const.g, 255 - registers.output_merger.blend_const.b);
+
+ case params.ConstantAlpha:
+ return Math::Vec3<u8>(registers.output_merger.blend_const.a, registers.output_merger.blend_const.a, registers.output_merger.blend_const.a);
+
+ case params.OneMinusConstantAlpha:
+ return Math::Vec3<u8>(255 - registers.output_merger.blend_const.a, 255 - registers.output_merger.blend_const.a, 255 - registers.output_merger.blend_const.a);
default:
LOG_CRITICAL(HW_GPU, "Unknown color blend factor %x", factor);
@@ -549,7 +579,7 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0,
};
auto LookupFactorA = [&](decltype(params)::BlendFactor factor) -> u8 {
- switch(factor) {
+ switch (factor) {
case params.Zero:
return 0;
@@ -562,6 +592,18 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0,
case params.OneMinusSourceAlpha:
return 255 - combiner_output.a();
+ case params.DestAlpha:
+ return dest.a();
+
+ case params.OneMinusDestAlpha:
+ return 255 - dest.a();
+
+ case params.ConstantAlpha:
+ return registers.output_merger.blend_const.a;
+
+ case params.OneMinusConstantAlpha:
+ return 255 - registers.output_merger.blend_const.a;
+
default:
LOG_CRITICAL(HW_GPU, "Unknown alpha blend factor %x", factor);
exit(0);