Remove references to PICA and rasterizers in video_core

1 files changed, 0 insertions, 244 deletions

diff --git a/src/video_core/swrasterizer/texturing.cpp b/src/video_core/swrasterizer/texturing.cpp
deleted file mode 100644
index 79b1ce841..000000000
--- a/src/video_core/swrasterizer/texturing.cpp
+++ /dev/null
@@ -1,244 +0,0 @@
-// Copyright 2017 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <algorithm>
-
-#include "common/assert.h"
-#include "common/common_types.h"
-#include "common/math_util.h"
-#include "common/vector_math.h"
-#include "video_core/regs_texturing.h"
-#include "video_core/swrasterizer/texturing.h"
-
-namespace Pica {
-namespace Rasterizer {
-
-using TevStageConfig = TexturingRegs::TevStageConfig;
-
-int GetWrappedTexCoord(TexturingRegs::TextureConfig::WrapMode mode, int val, unsigned size) {
-    switch (mode) {
-    case TexturingRegs::TextureConfig::ClampToEdge2:
-        // For negative coordinate, ClampToEdge2 behaves the same as Repeat
-        if (val < 0) {
-            return static_cast<int>(static_cast<unsigned>(val) % size);
-        }
-    // [[fallthrough]]
-    case TexturingRegs::TextureConfig::ClampToEdge:
-        val = std::max(val, 0);
-        val = std::min(val, static_cast<int>(size) - 1);
-        return val;
-
-    case TexturingRegs::TextureConfig::ClampToBorder:
-        return val;
-
-    case TexturingRegs::TextureConfig::ClampToBorder2:
-    // For ClampToBorder2, the case of positive coordinate beyond the texture size is already
-    // handled outside. Here we only handle the negative coordinate in the same way as Repeat.
-    case TexturingRegs::TextureConfig::Repeat2:
-    case TexturingRegs::TextureConfig::Repeat3:
-    case TexturingRegs::TextureConfig::Repeat:
-        return static_cast<int>(static_cast<unsigned>(val) % size);
-
-    case TexturingRegs::TextureConfig::MirroredRepeat: {
-        unsigned int coord = (static_cast<unsigned>(val) % (2 * size));
-        if (coord >= size)
-            coord = 2 * size - 1 - coord;
-        return static_cast<int>(coord);
-    }
-
-    default:
-        LOG_ERROR(HW_GPU, "Unknown texture coordinate wrapping mode %x", (int)mode);
-        UNIMPLEMENTED();
-        return 0;
-    }
-};
-
-Math::Vec3<u8> GetColorModifier(TevStageConfig::ColorModifier factor,
-                                const Math::Vec4<u8>& values) {
-    using ColorModifier = TevStageConfig::ColorModifier;
-
-    switch (factor) {
-    case ColorModifier::SourceColor:
-        return values.rgb();
-
-    case ColorModifier::OneMinusSourceColor:
-        return (Math::Vec3<u8>(255, 255, 255) - values.rgb()).Cast<u8>();
-
-    case ColorModifier::SourceAlpha:
-        return values.aaa();
-
-    case ColorModifier::OneMinusSourceAlpha:
-        return (Math::Vec3<u8>(255, 255, 255) - values.aaa()).Cast<u8>();
-
-    case ColorModifier::SourceRed:
-        return values.rrr();
-
-    case ColorModifier::OneMinusSourceRed:
-        return (Math::Vec3<u8>(255, 255, 255) - values.rrr()).Cast<u8>();
-
-    case ColorModifier::SourceGreen:
-        return values.ggg();
-
-    case ColorModifier::OneMinusSourceGreen:
-        return (Math::Vec3<u8>(255, 255, 255) - values.ggg()).Cast<u8>();
-
-    case ColorModifier::SourceBlue:
-        return values.bbb();
-
-    case ColorModifier::OneMinusSourceBlue:
-        return (Math::Vec3<u8>(255, 255, 255) - values.bbb()).Cast<u8>();
-    }
-
-    UNREACHABLE();
-};
-
-u8 GetAlphaModifier(TevStageConfig::AlphaModifier factor, const Math::Vec4<u8>& values) {
-    using AlphaModifier = TevStageConfig::AlphaModifier;
-
-    switch (factor) {
-    case AlphaModifier::SourceAlpha:
-        return values.a();
-
-    case AlphaModifier::OneMinusSourceAlpha:
-        return 255 - values.a();
-
-    case AlphaModifier::SourceRed:
-        return values.r();
-
-    case AlphaModifier::OneMinusSourceRed:
-        return 255 - values.r();
-
-    case AlphaModifier::SourceGreen:
-        return values.g();
-
-    case AlphaModifier::OneMinusSourceGreen:
-        return 255 - values.g();
-
-    case AlphaModifier::SourceBlue:
-        return values.b();
-
-    case AlphaModifier::OneMinusSourceBlue:
-        return 255 - values.b();
-    }
-
-    UNREACHABLE();
-};
-
-Math::Vec3<u8> ColorCombine(TevStageConfig::Operation op, const Math::Vec3<u8> input[3]) {
-    using Operation = TevStageConfig::Operation;
-
-    switch (op) {
-    case Operation::Replace:
-        return input[0];
-
-    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::AddSigned: {
-        // TODO(bunnei): Verify that the color conversion from (float) 0.5f to
-        // (byte) 128 is correct
-        auto result =
-            input[0].Cast<int>() + input[1].Cast<int>() - Math::MakeVec<int>(128, 128, 128);
-        result.r() = MathUtil::Clamp<int>(result.r(), 0, 255);
-        result.g() = MathUtil::Clamp<int>(result.g(), 0, 255);
-        result.b() = MathUtil::Clamp<int>(result.b(), 0, 255);
-        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>();
-
-    case Operation::Subtract: {
-        auto result = input[0].Cast<int>() - input[1].Cast<int>();
-        result.r() = std::max(0, result.r());
-        result.g() = std::max(0, result.g());
-        result.b() = std::max(0, result.b());
-        return result.Cast<u8>();
-    }
-
-    case Operation::MultiplyThenAdd: {
-        auto result = (input[0] * input[1] + 255 * input[2].Cast<int>()) / 255;
-        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::AddThenMultiply: {
-        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());
-        result = (result * input[2].Cast<int>()) / 255;
-        return result.Cast<u8>();
-    }
-    case Operation::Dot3_RGB:
-    case Operation::Dot3_RGBA: {
-        // Not fully accurate.  Worst case scenario seems to yield a +/-3 error.  Some HW results
-        // indicate that the per-component computation can't have a higher precision than 1/256,
-        // while dot3_rgb((0x80,g0,b0), (0x7F,g1,b1)) and dot3_rgb((0x80,g0,b0), (0x80,g1,b1)) give
-        // different results.
-        int result = ((input[0].r() * 2 - 255) * (input[1].r() * 2 - 255) + 128) / 256 +
-                     ((input[0].g() * 2 - 255) * (input[1].g() * 2 - 255) + 128) / 256 +
-                     ((input[0].b() * 2 - 255) * (input[1].b() * 2 - 255) + 128) / 256;
-        result = std::max(0, std::min(255, result));
-        return {(u8)result, (u8)result, (u8)result};
-    }
-    default:
-        LOG_ERROR(HW_GPU, "Unknown color combiner operation %d", (int)op);
-        UNIMPLEMENTED();
-        return {0, 0, 0};
-    }
-};
-
-u8 AlphaCombine(TevStageConfig::Operation op, const std::array<u8, 3>& input) {
-    switch (op) {
-        using Operation = TevStageConfig::Operation;
-    case Operation::Replace:
-        return input[0];
-
-    case Operation::Modulate:
-        return input[0] * input[1] / 255;
-
-    case Operation::Add:
-        return std::min(255, input[0] + input[1]);
-
-    case Operation::AddSigned: {
-        // TODO(bunnei): Verify that the color conversion from (float) 0.5f to (byte) 128 is correct
-        auto result = static_cast<int>(input[0]) + static_cast<int>(input[1]) - 128;
-        return static_cast<u8>(MathUtil::Clamp<int>(result, 0, 255));
-    }
-
-    case Operation::Lerp:
-        return (input[0] * input[2] + input[1] * (255 - input[2])) / 255;
-
-    case Operation::Subtract:
-        return std::max(0, (int)input[0] - (int)input[1]);
-
-    case Operation::MultiplyThenAdd:
-        return std::min(255, (input[0] * input[1] + 255 * input[2]) / 255);
-
-    case Operation::AddThenMultiply:
-        return (std::min(255, (input[0] + input[1])) * input[2]) / 255;
-
-    default:
-        LOG_ERROR(HW_GPU, "Unknown alpha combiner operation %d", (int)op);
-        UNIMPLEMENTED();
-        return 0;
-    }
-};
-
-} // namespace Rasterizer
-} // namespace Pica