From 23e8be573ef047d8a0bee191f4065dbcd60a7f65 Mon Sep 17 00:00:00 2001 From: bunnei Date: Thu, 7 May 2015 18:37:59 -0400 Subject: rasterizer: Implemented combiner output scaling. --- src/video_core/pica.h | 13 ++++++++++++- src/video_core/rasterizer.cpp | 5 ++++- 2 files changed, 16 insertions(+), 2 deletions(-) (limited to 'src/video_core') diff --git a/src/video_core/pica.h b/src/video_core/pica.h index 26a70003..5e169ff6 100644 --- a/src/video_core/pica.h +++ b/src/video_core/pica.h @@ -300,7 +300,18 @@ struct Regs { BitField<24, 8, u32> const_a; }; - INSERT_PADDING_WORDS(0x1); + union { + BitField< 0, 2, u32> color_scale; + BitField<16, 2, u32> alpha_scale; + }; + + inline unsigned GetColorMultiplier() const { + return (color_scale < 3) ? (1 << color_scale) : 1; + } + + inline unsigned GetAlphaMultiplier() const { + return (alpha_scale < 3) ? (1 << alpha_scale) : 1; + } }; TevStageConfig tev_stage0; diff --git a/src/video_core/rasterizer.cpp b/src/video_core/rasterizer.cpp index f74721d4..46a326bb 100644 --- a/src/video_core/rasterizer.cpp +++ b/src/video_core/rasterizer.cpp @@ -597,7 +597,10 @@ static void ProcessTriangleInternal(const VertexShader::OutputVertex& v0, }; auto alpha_output = AlphaCombine(tev_stage.alpha_op, alpha_result); - combiner_output = Math::MakeVec(color_output, alpha_output); + combiner_output[0] = std::min((unsigned)255, color_output.r() * tev_stage.GetColorMultiplier()); + combiner_output[1] = std::min((unsigned)255, color_output.g() * tev_stage.GetColorMultiplier()); + combiner_output[2] = std::min((unsigned)255, color_output.b() * tev_stage.GetColorMultiplier()); + combiner_output[3] = std::min((unsigned)255, alpha_output * tev_stage.GetAlphaMultiplier()); if (registers.tev_combiner_buffer_input.TevStageUpdatesCombinerBufferColor(tev_stage_index)) { combiner_buffer.r() = combiner_output.r(); -- cgit v1.2.3