From b624a9520546410445c1320fac163759c9be6750 Mon Sep 17 00:00:00 2001 From: wwylele Date: Wed, 19 Apr 2017 23:48:10 +0300 Subject: rasterizer: implement combiner operation 7 (Dot3_RGBA) --- src/video_core/swrasterizer/rasterizer.cpp | 23 ++++++++++++++++------- 1 file changed, 16 insertions(+), 7 deletions(-) (limited to 'src/video_core/swrasterizer/rasterizer.cpp') diff --git a/src/video_core/swrasterizer/rasterizer.cpp b/src/video_core/swrasterizer/rasterizer.cpp index 7557fcb89..cb1b90a81 100644 --- a/src/video_core/swrasterizer/rasterizer.cpp +++ b/src/video_core/swrasterizer/rasterizer.cpp @@ -403,13 +403,22 @@ static void ProcessTriangleInternal(const Vertex& v0, const Vertex& v1, const Ve }; auto color_output = ColorCombine(tev_stage.color_op, color_result); - // alpha combiner - std::array alpha_result = {{ - GetAlphaModifier(tev_stage.alpha_modifier1, GetSource(tev_stage.alpha_source1)), - GetAlphaModifier(tev_stage.alpha_modifier2, GetSource(tev_stage.alpha_source2)), - GetAlphaModifier(tev_stage.alpha_modifier3, GetSource(tev_stage.alpha_source3)), - }}; - auto alpha_output = AlphaCombine(tev_stage.alpha_op, alpha_result); + u8 alpha_output; + if (tev_stage.color_op == TexturingRegs::TevStageConfig::Operation::Dot3_RGBA) { + // result of Dot3_RGBA operation is also placed to the alpha component + alpha_output = color_output.x; + } else { + // alpha combiner + std::array alpha_result = {{ + GetAlphaModifier(tev_stage.alpha_modifier1, + GetSource(tev_stage.alpha_source1)), + GetAlphaModifier(tev_stage.alpha_modifier2, + GetSource(tev_stage.alpha_source2)), + GetAlphaModifier(tev_stage.alpha_modifier3, + GetSource(tev_stage.alpha_source3)), + }}; + alpha_output = AlphaCombine(tev_stage.alpha_op, alpha_result); + } combiner_output[0] = std::min((unsigned)255, color_output.r() * tev_stage.GetColorMultiplier()); -- cgit v1.2.3