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Code Issues Releases Wiki Activity

Pica: Further improve Tev emulation.

merge-requests/60/head
Tony Wasserka 2014-10-24 00:58:04 +07:00
parent 3df88d59b0
commit 7e210e0229
3 changed files with 51 additions and 12 deletions
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10
src/video_core/debug_utils/debug_utils.cpp
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@ -573,20 +573,26 @@ void DumpTevStageConfig(const std::array<Pica::Regs::TevStageConfig,6>& stages)
const std::map<Source, std::string> source_map = {
{ Source::PrimaryColor, "PrimaryColor" },
{ Source::Texture0, "Texture0" },
{ Source::Texture1, "Texture1" },
{ Source::Texture2, "Texture2" },
{ Source::Constant, "Constant" },
{ Source::Previous, "Previous" },
};
const std::map<ColorModifier, std::string> color_modifier_map = {
{ ColorModifier::SourceColor, { "%source.rgb" } }
{ ColorModifier::SourceColor, { "%source.rgb" } },
{ ColorModifier::SourceAlpha, { "%source.aaa" } },
};
const std::map<AlphaModifier, std::string> alpha_modifier_map = {
{ AlphaModifier::SourceAlpha, "%source.a" }
{ AlphaModifier::SourceAlpha, "%source.a" },
{ AlphaModifier::OneMinusSourceAlpha, "(255 - %source.a)" },
};
std::map<Operation, std::string> combiner_map = {
{ Operation::Replace, "%source1" },
{ Operation::Modulate, "(%source1 * %source2) / 255" },
{ Operation::Add, "(%source1 + %source2)" },
{ Operation::Lerp, "lerp(%source1, %source2, %source3)" },
};
auto ReplacePattern =

1
src/video_core/pica.h
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@ -8,6 +8,7 @@
#include <cstddef>
#include <initializer_list>
#include <map>
#include <vector>
#include "common/bit_field.h"
#include "common/common_types.h"

52
src/video_core/rasterizer.cpp
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@ -225,28 +225,29 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0,
using AlphaModifier = Regs::TevStageConfig::AlphaModifier;
using Operation = Regs::TevStageConfig::Operation;
auto GetColorSource = [&](Source source) -> Math::Vec3<u8> {
auto GetColorSource = [&](Source source) -> Math::Vec4<u8> {
switch (source) {
case Source::PrimaryColor:
return primary_color.rgb();
return primary_color;
case Source::Texture0:
return texture_color[0].rgb();
return texture_color[0];
case Source::Texture1:
return texture_color[1].rgb();
return texture_color[1];
case Source::Texture2:
return texture_color[2].rgb();
return texture_color[2];
case Source::Constant:
return {tev_stage.const_r, tev_stage.const_g, tev_stage.const_b};
return {tev_stage.const_r, tev_stage.const_g, tev_stage.const_b, tev_stage.const_a};
case Source::Previous:
return combiner_output.rgb();
return combiner_output;
default:
LOG_ERROR(HW_GPU, "Unknown color combiner source %d\n", (int)source);
_dbg_assert_(HW_GPU, 0);
return {};
}
};
@ -273,17 +274,23 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0,
default:
LOG_ERROR(HW_GPU, "Unknown alpha combiner source %d\n", (int)source);
_dbg_assert_(HW_GPU, 0);
return 0;
}
};
auto GetColorModifier = [](ColorModifier factor, const Math::Vec3<u8>& values) -> Math::Vec3<u8> {
auto GetColorModifier = [](ColorModifier factor, const Math::Vec4<u8>& values) -> Math::Vec3<u8> {
switch (factor)
{
case ColorModifier::SourceColor:
return values;
return values.rgb();
case ColorModifier::SourceAlpha:
return { values.a(), values.a(), values.a() };
default:
LOG_ERROR(HW_GPU, "Unknown color factor %d\n", (int)factor);
_dbg_assert_(HW_GPU, 0);
return {};
}
};
@ -292,8 +299,13 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0,
switch (factor) {
case AlphaModifier::SourceAlpha:
return value;
case AlphaModifier::OneMinusSourceAlpha:
return 255 - value;
default:
LOG_ERROR(HW_GPU, "Unknown color factor %d\n", (int)factor);
LOG_ERROR(HW_GPU, "Unknown alpha factor %d\n", (int)factor);
_dbg_assert_(HW_GPU, 0);
return 0;
}
};
@ -306,8 +318,21 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0,
case Operation::Modulate:
return ((input[0] * input[1]) / 255).Cast<u8>();
case Operation::Add:
{
auto result = input[0] + input[1];
result.r() = std::min(255, result.r());
result.g() = std::min(255, result.g());
result.b() = std::min(255, result.b());
return result.Cast<u8>();
}
case Operation::Lerp:
return ((input[0] * input[2] + input[1] * (Math::MakeVec<u8>(255, 255, 255) - input[2]).Cast<u8>()) / 255).Cast<u8>();
default:
LOG_ERROR(HW_GPU, "Unknown color combiner operation %d\n", (int)op);
_dbg_assert_(HW_GPU, 0);
return {};
}
};
@ -320,8 +345,15 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0,
case Operation::Modulate:
return input[0] * input[1] / 255;
case Operation::Add:
return std::min(255, input[0] + input[1]);
case Operation::Lerp:
return (input[0] * input[2] + input[1] * (255 - input[2])) / 255;
default:
LOG_ERROR(HW_GPU, "Unknown alpha combiner operation %d\n", (int)op);
_dbg_assert_(HW_GPU, 0);
return 0;
}
};