mirror of
https://git.suyu.dev/suyu/suyu.git
synced 2024-11-30 02:32:46 +01:00
SWRasterizer: Convert large no-capture lambdas to standalone functions
This commit is contained in:
Yuri Kunde Schlesner
parent
e1ad7d69b9
commit
f9026e8a7a
1 changed files with 310 additions and 315 deletions
|
|
@ -28,9 +28,318 @@
|
|||
#include "video_core/utils.h"
|
||||
|
||||
namespace Pica {
|
||||
|
||||
namespace Rasterizer {
|
||||
|
||||
using TevStageConfig = TexturingRegs::TevStageConfig;
|
||||
|
||||
static int GetWrappedTexCoord(TexturingRegs::TextureConfig::WrapMode mode, int val, unsigned size) {
|
||||
switch (mode) {
|
||||
case TexturingRegs::TextureConfig::ClampToEdge:
|
||||
val = std::max(val, 0);
|
||||
val = std::min(val, (int)size - 1);
|
||||
return val;
|
||||
|
||||
case TexturingRegs::TextureConfig::ClampToBorder:
|
||||
return val;
|
||||
|
||||
case TexturingRegs::TextureConfig::Repeat:
|
||||
return (int)((unsigned)val % size);
|
||||
|
||||
case TexturingRegs::TextureConfig::MirroredRepeat: {
|
||||
unsigned int coord = ((unsigned)val % (2 * size));
|
||||
if (coord >= size)
|
||||
coord = 2 * size - 1 - coord;
|
||||
return (int)coord;
|
||||
}
|
||||
|
||||
default:
|
||||
LOG_ERROR(HW_GPU, "Unknown texture coordinate wrapping mode %x", (int)mode);
|
||||
UNIMPLEMENTED();
|
||||
return 0;
|
||||
}
|
||||
};
|
||||
|
||||
static 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>();
|
||||
}
|
||||
};
|
||||
|
||||
static 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();
|
||||
}
|
||||
};
|
||||
|
||||
static 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: {
|
||||
// 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};
|
||||
}
|
||||
};
|
||||
|
||||
static 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;
|
||||
}
|
||||
};
|
||||
|
||||
static Math::Vec4<u8> EvaluateBlendEquation(const Math::Vec4<u8>& src,
|
||||
const Math::Vec4<u8>& srcfactor,
|
||||
const Math::Vec4<u8>& dest,
|
||||
const Math::Vec4<u8>& destfactor,
|
||||
FramebufferRegs::BlendEquation equation) {
|
||||
Math::Vec4<int> result;
|
||||
|
||||
auto src_result = (src * srcfactor).Cast<int>();
|
||||
auto dst_result = (dest * destfactor).Cast<int>();
|
||||
|
||||
switch (equation) {
|
||||
case FramebufferRegs::BlendEquation::Add:
|
||||
result = (src_result + dst_result) / 255;
|
||||
break;
|
||||
|
||||
case FramebufferRegs::BlendEquation::Subtract:
|
||||
result = (src_result - dst_result) / 255;
|
||||
break;
|
||||
|
||||
case FramebufferRegs::BlendEquation::ReverseSubtract:
|
||||
result = (dst_result - src_result) / 255;
|
||||
break;
|
||||
|
||||
// TODO: How do these two actually work? OpenGL doesn't include the blend factors in the
|
||||
// min/max computations, but is this what the 3DS actually does?
|
||||
case FramebufferRegs::BlendEquation::Min:
|
||||
result.r() = std::min(src.r(), dest.r());
|
||||
result.g() = std::min(src.g(), dest.g());
|
||||
result.b() = std::min(src.b(), dest.b());
|
||||
result.a() = std::min(src.a(), dest.a());
|
||||
break;
|
||||
|
||||
case FramebufferRegs::BlendEquation::Max:
|
||||
result.r() = std::max(src.r(), dest.r());
|
||||
result.g() = std::max(src.g(), dest.g());
|
||||
result.b() = std::max(src.b(), dest.b());
|
||||
result.a() = std::max(src.a(), dest.a());
|
||||
break;
|
||||
|
||||
default:
|
||||
LOG_CRITICAL(HW_GPU, "Unknown RGB blend equation %x", equation);
|
||||
UNIMPLEMENTED();
|
||||
}
|
||||
|
||||
return Math::Vec4<u8>(MathUtil::Clamp(result.r(), 0, 255), MathUtil::Clamp(result.g(), 0, 255),
|
||||
MathUtil::Clamp(result.b(), 0, 255), MathUtil::Clamp(result.a(), 0, 255));
|
||||
};
|
||||
|
||||
static u8 LogicOp(u8 src, u8 dest, FramebufferRegs::LogicOp op) {
|
||||
switch (op) {
|
||||
case FramebufferRegs::LogicOp::Clear:
|
||||
return 0;
|
||||
|
||||
case FramebufferRegs::LogicOp::And:
|
||||
return src & dest;
|
||||
|
||||
case FramebufferRegs::LogicOp::AndReverse:
|
||||
return src & ~dest;
|
||||
|
||||
case FramebufferRegs::LogicOp::Copy:
|
||||
return src;
|
||||
|
||||
case FramebufferRegs::LogicOp::Set:
|
||||
return 255;
|
||||
|
||||
case FramebufferRegs::LogicOp::CopyInverted:
|
||||
return ~src;
|
||||
|
||||
case FramebufferRegs::LogicOp::NoOp:
|
||||
return dest;
|
||||
|
||||
case FramebufferRegs::LogicOp::Invert:
|
||||
return ~dest;
|
||||
|
||||
case FramebufferRegs::LogicOp::Nand:
|
||||
return ~(src & dest);
|
||||
|
||||
case FramebufferRegs::LogicOp::Or:
|
||||
return src | dest;
|
||||
|
||||
case FramebufferRegs::LogicOp::Nor:
|
||||
return ~(src | dest);
|
||||
|
||||
case FramebufferRegs::LogicOp::Xor:
|
||||
return src ^ dest;
|
||||
|
||||
case FramebufferRegs::LogicOp::Equiv:
|
||||
return ~(src ^ dest);
|
||||
|
||||
case FramebufferRegs::LogicOp::AndInverted:
|
||||
return ~src & dest;
|
||||
|
||||
case FramebufferRegs::LogicOp::OrReverse:
|
||||
return src | ~dest;
|
||||
|
||||
case FramebufferRegs::LogicOp::OrInverted:
|
||||
return ~src | dest;
|
||||
}
|
||||
};
|
||||
|
||||
// NOTE: Assuming that rasterizer coordinates are 12.4 fixed-point values
|
||||
struct Fix12P4 {
|
||||
Fix12P4() {}
|
||||
|
|
@ -304,34 +613,6 @@ static void ProcessTriangleInternal(const Vertex& v0, const Vertex& v1, const Ve
|
|||
int t = (int)(v * float24::FromFloat32(static_cast<float>(texture.config.height)))
|
||||
.ToFloat32();
|
||||
|
||||
static auto GetWrappedTexCoord = [](TexturingRegs::TextureConfig::WrapMode mode,
|
||||
int val, unsigned size) {
|
||||
switch (mode) {
|
||||
case TexturingRegs::TextureConfig::ClampToEdge:
|
||||
val = std::max(val, 0);
|
||||
val = std::min(val, (int)size - 1);
|
||||
return val;
|
||||
|
||||
case TexturingRegs::TextureConfig::ClampToBorder:
|
||||
return val;
|
||||
|
||||
case TexturingRegs::TextureConfig::Repeat:
|
||||
return (int)((unsigned)val % size);
|
||||
|
||||
case TexturingRegs::TextureConfig::MirroredRepeat: {
|
||||
unsigned int coord = ((unsigned)val % (2 * size));
|
||||
if (coord >= size)
|
||||
coord = 2 * size - 1 - coord;
|
||||
return (int)coord;
|
||||
}
|
||||
|
||||
default:
|
||||
LOG_ERROR(HW_GPU, "Unknown texture coordinate wrapping mode %x", (int)mode);
|
||||
UNIMPLEMENTED();
|
||||
return 0;
|
||||
}
|
||||
};
|
||||
|
||||
if ((texture.config.wrap_s == TexturingRegs::TextureConfig::ClampToBorder &&
|
||||
(s < 0 || static_cast<u32>(s) >= texture.config.width)) ||
|
||||
(texture.config.wrap_t == TexturingRegs::TextureConfig::ClampToBorder &&
|
||||
|
|
@ -380,9 +661,6 @@ static void ProcessTriangleInternal(const Vertex& v0, const Vertex& v1, const Ve
|
|||
++tev_stage_index) {
|
||||
const auto& tev_stage = tev_stages[tev_stage_index];
|
||||
using Source = TexturingRegs::TevStageConfig::Source;
|
||||
using ColorModifier = TexturingRegs::TevStageConfig::ColorModifier;
|
||||
using AlphaModifier = TexturingRegs::TevStageConfig::AlphaModifier;
|
||||
using Operation = TexturingRegs::TevStageConfig::Operation;
|
||||
|
||||
auto GetSource = [&](Source source) -> Math::Vec4<u8> {
|
||||
switch (source) {
|
||||
|
|
@ -422,187 +700,6 @@ static void ProcessTriangleInternal(const Vertex& v0, const Vertex& v1, const Ve
|
|||
}
|
||||
};
|
||||
|
||||
static auto GetColorModifier = [](ColorModifier factor,
|
||||
const Math::Vec4<u8>& values) -> Math::Vec3<u8> {
|
||||
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>();
|
||||
}
|
||||
};
|
||||
|
||||
static auto GetAlphaModifier = [](AlphaModifier factor,
|
||||
const Math::Vec4<u8>& values) -> u8 {
|
||||
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();
|
||||
}
|
||||
};
|
||||
|
||||
static auto ColorCombine = [](Operation op,
|
||||
const Math::Vec3<u8> input[3]) -> Math::Vec3<u8> {
|
||||
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: {
|
||||
// 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};
|
||||
}
|
||||
};
|
||||
|
||||
static auto AlphaCombine = [](Operation op, const std::array<u8, 3>& input) -> u8 {
|
||||
switch (op) {
|
||||
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;
|
||||
}
|
||||
};
|
||||
|
||||
// color combiner
|
||||
// NOTE: Not sure if the alpha combiner might use the color output of the previous
|
||||
// stage as input. Hence, we currently don't directly write the result to
|
||||
|
|
@ -917,56 +1014,6 @@ static void ProcessTriangleInternal(const Vertex& v0, const Vertex& v1, const Ve
|
|||
return combiner_output[channel];
|
||||
};
|
||||
|
||||
static auto EvaluateBlendEquation = [](
|
||||
const Math::Vec4<u8>& src, const Math::Vec4<u8>& srcfactor,
|
||||
const Math::Vec4<u8>& dest, const Math::Vec4<u8>& destfactor,
|
||||
FramebufferRegs::BlendEquation equation) {
|
||||
|
||||
Math::Vec4<int> result;
|
||||
|
||||
auto src_result = (src * srcfactor).Cast<int>();
|
||||
auto dst_result = (dest * destfactor).Cast<int>();
|
||||
|
||||
switch (equation) {
|
||||
case FramebufferRegs::BlendEquation::Add:
|
||||
result = (src_result + dst_result) / 255;
|
||||
break;
|
||||
|
||||
case FramebufferRegs::BlendEquation::Subtract:
|
||||
result = (src_result - dst_result) / 255;
|
||||
break;
|
||||
|
||||
case FramebufferRegs::BlendEquation::ReverseSubtract:
|
||||
result = (dst_result - src_result) / 255;
|
||||
break;
|
||||
|
||||
// TODO: How do these two actually work?
|
||||
// OpenGL doesn't include the blend factors in the min/max computations,
|
||||
// but is this what the 3DS actually does?
|
||||
case FramebufferRegs::BlendEquation::Min:
|
||||
result.r() = std::min(src.r(), dest.r());
|
||||
result.g() = std::min(src.g(), dest.g());
|
||||
result.b() = std::min(src.b(), dest.b());
|
||||
result.a() = std::min(src.a(), dest.a());
|
||||
break;
|
||||
|
||||
case FramebufferRegs::BlendEquation::Max:
|
||||
result.r() = std::max(src.r(), dest.r());
|
||||
result.g() = std::max(src.g(), dest.g());
|
||||
result.b() = std::max(src.b(), dest.b());
|
||||
result.a() = std::max(src.a(), dest.a());
|
||||
break;
|
||||
|
||||
default:
|
||||
LOG_CRITICAL(HW_GPU, "Unknown RGB blend equation %x", equation);
|
||||
UNIMPLEMENTED();
|
||||
}
|
||||
|
||||
return Math::Vec4<u8>(
|
||||
MathUtil::Clamp(result.r(), 0, 255), MathUtil::Clamp(result.g(), 0, 255),
|
||||
MathUtil::Clamp(result.b(), 0, 255), MathUtil::Clamp(result.a(), 0, 255));
|
||||
};
|
||||
|
||||
auto srcfactor = Math::MakeVec(LookupFactor(0, params.factor_source_rgb),
|
||||
LookupFactor(1, params.factor_source_rgb),
|
||||
LookupFactor(2, params.factor_source_rgb),
|
||||
|
|
@ -983,58 +1030,6 @@ static void ProcessTriangleInternal(const Vertex& v0, const Vertex& v1, const Ve
|
|||
dstfactor, params.blend_equation_a)
|
||||
.a();
|
||||
} else {
|
||||
static auto LogicOp = [](u8 src, u8 dest, FramebufferRegs::LogicOp op) -> u8 {
|
||||
switch (op) {
|
||||
case FramebufferRegs::LogicOp::Clear:
|
||||
return 0;
|
||||
|
||||
case FramebufferRegs::LogicOp::And:
|
||||
return src & dest;
|
||||
|
||||
case FramebufferRegs::LogicOp::AndReverse:
|
||||
return src & ~dest;
|
||||
|
||||
case FramebufferRegs::LogicOp::Copy:
|
||||
return src;
|
||||
|
||||
case FramebufferRegs::LogicOp::Set:
|
||||
return 255;
|
||||
|
||||
case FramebufferRegs::LogicOp::CopyInverted:
|
||||
return ~src;
|
||||
|
||||
case FramebufferRegs::LogicOp::NoOp:
|
||||
return dest;
|
||||
|
||||
case FramebufferRegs::LogicOp::Invert:
|
||||
return ~dest;
|
||||
|
||||
case FramebufferRegs::LogicOp::Nand:
|
||||
return ~(src & dest);
|
||||
|
||||
case FramebufferRegs::LogicOp::Or:
|
||||
return src | dest;
|
||||
|
||||
case FramebufferRegs::LogicOp::Nor:
|
||||
return ~(src | dest);
|
||||
|
||||
case FramebufferRegs::LogicOp::Xor:
|
||||
return src ^ dest;
|
||||
|
||||
case FramebufferRegs::LogicOp::Equiv:
|
||||
return ~(src ^ dest);
|
||||
|
||||
case FramebufferRegs::LogicOp::AndInverted:
|
||||
return ~src & dest;
|
||||
|
||||
case FramebufferRegs::LogicOp::OrReverse:
|
||||
return src | ~dest;
|
||||
|
||||
case FramebufferRegs::LogicOp::OrInverted:
|
||||
return ~src | dest;
|
||||
}
|
||||
};
|
||||
|
||||
blend_output =
|
||||
Math::MakeVec(LogicOp(combiner_output.r(), dest.r(), output_merger.logic_op),
|
||||
LogicOp(combiner_output.g(), dest.g(), output_merger.logic_op),
|
||||
|
|
|
|||
Loading…
Reference in a new issue