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[wip] reimplement SULD.D

nce_cpp
namkazy 6 years ago
parent
67d9d397d2
commit
e4402955e4
1 changed files with 229 additions and 22 deletions
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  1. 251
      src/video_core/shader/decode/image.cpp

251
src/video_core/shader/decode/image.cpp
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@ -2,6 +2,8 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma optimize("", off)
#include <algorithm>
#include <vector>
#include <fmt/format.h>
@ -10,9 +12,12 @@
#include "common/bit_field.h"
#include "common/common_types.h"
#include "common/logging/log.h"
#include "core/core.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/engines/shader_bytecode.h"
#include "video_core/shader/node_helper.h"
#include "video_core/shader/shader_ir.h"
#include "video_core/textures/texture.h"
namespace VideoCommon::Shader {
@ -20,8 +25,162 @@ using Tegra::Shader::Instruction;
using Tegra::Shader::OpCode;
using Tegra::Shader::PredCondition;
using Tegra::Shader::StoreType;
using Tegra::Texture::ComponentType;
using Tegra::Texture::TextureFormat;
using Tegra::Texture::TICEntry;
namespace {
ComponentType GetComponentType(TICEntry tic, std::size_t component) {
constexpr u8 R = 0b0001;
constexpr u8 G = 0b0010;
constexpr u8 B = 0b0100;
constexpr u8 A = 0b1000;
if (R & component) {
return tic.r_type;
}
if (G & component) {
return tic.g_type;
}
if (B & component) {
return tic.b_type;
}
if (A & component) {
return tic.a_type;
}
return ComponentType::FLOAT;
}
bool IsComponentEnabled(std::size_t component_mask, std::size_t component) {
constexpr u8 R = 0b0001;
constexpr u8 G = 0b0010;
constexpr u8 B = 0b0100;
constexpr u8 A = 0b1000;
constexpr std::array<u8, 16> mask = {
0, (R), (G), (R | G), (B), (R | B), (G | B), (R | G | B),
(A), (R | A), (G | A), (R | G | A), (B | A), (R | B | A), (G | B | A), (R | G | B | A)};
return std::bitset<4>{mask.at(component_mask)}.test(component);
}
u32 GetComponentSize(TextureFormat format, std::size_t component) {
switch (format) {
case TextureFormat::R32_G32_B32_A32:
return 32;
case TextureFormat::R16_G16_B16_A16:
return 16;
case TextureFormat::R32_G32_B32:
return (0 == component || 1 == component || 2 == component) ? 32 : 0;
case TextureFormat::R32_G32:
return (0 == component || 1 == component) ? 32 : 0;
case TextureFormat::R16_G16:
return (0 == component || 1 == component) ? 16 : 0;
case TextureFormat::R32:
return (0 == component) ? 32 : 0;
case TextureFormat::R16:
return (0 == component) ? 16 : 0;
case TextureFormat::R8:
return (0 == component) ? 8 : 0;
case TextureFormat::R1:
return (0 == component) ? 1 : 0;
case TextureFormat::A8R8G8B8:
return 8;
case TextureFormat::A2B10G10R10:
return (3 == component || 2 == component || 1 == component) ? 10 : 2;
case TextureFormat::A4B4G4R4:
return 4;
case TextureFormat::A5B5G5R1:
return (0 == component || 1 == component || 2 == component) ? 5 : 1;
case TextureFormat::A1B5G5R5:
return (1 == component || 2 == component || 3 == component) ? 5 : 1;
case TextureFormat::R32_B24G8:
if (0 == component) {
return 32;
}
if (1 == component) {
return 24;
}
if (2 == component) {
return 8;
}
return 0;
case TextureFormat::B5G6R5:
if (0 == component || 2 == component) {
return 5;
}
if (1 == component) {
return 6;
}
return 0;
case TextureFormat::B6G5R5:
if (1 == component || 2 == component) {
return 5;
}
if (0 == component) {
return 6;
}
return 0;
case TextureFormat::G8R24:
if (0 == component) {
return 8;
}
if (1 == component) {
return 24;
}
return 0;
case TextureFormat::G24R8:
if (0 == component) {
return 8;
}
if (1 == component) {
return 24;
}
return 0;
case TextureFormat::G8R8:
return (0 == component || 1 == component) ? 8 : 0;
case TextureFormat::G4R4:
return (0 == component || 1 == component) ? 4 : 0;
default:
UNIMPLEMENTED_MSG("texture format not implement={}", format);
return 0;
}
}
std::size_t GetImageComponentMask(TextureFormat format) {
constexpr u8 R = 0b0001;
constexpr u8 G = 0b0010;
constexpr u8 B = 0b0100;
constexpr u8 A = 0b1000;
switch (format) {
case TextureFormat::R32_G32_B32_A32:
case TextureFormat::R16_G16_B16_A16:
case TextureFormat::A8R8G8B8:
case TextureFormat::A2B10G10R10:
case TextureFormat::A4B4G4R4:
case TextureFormat::A5B5G5R1:
case TextureFormat::A1B5G5R5:
return std::size_t{R | G | B | A};
case TextureFormat::R32_G32_B32:
case TextureFormat::R32_B24G8:
case TextureFormat::B5G6R5:
case TextureFormat::B6G5R5:
return std::size_t{R | G | B};
case TextureFormat::R32_G32:
case TextureFormat::R16_G16:
case TextureFormat::G8R24:
case TextureFormat::G24R8:
case TextureFormat::G8R8:
case TextureFormat::G4R4:
return std::size_t{R | G};
case TextureFormat::R32:
case TextureFormat::R16:
case TextureFormat::R8:
case TextureFormat::R1:
return std::size_t{R};
default:
UNIMPLEMENTED_MSG("texture format not implement={}", format);
return std::size_t{R | G | B | A};
}
}
std::size_t GetImageTypeNumCoordinates(Tegra::Shader::ImageType image_type) {
switch (image_type) {
case Tegra::Shader::ImageType::Texture1D:
@ -79,36 +238,84 @@ u32 ShaderIR::DecodeImage(NodeBlock& bb, u32 pc) {
} else if (instr.suldst.mode == Tegra::Shader::SurfaceDataMode::D_BA) {
UNIMPLEMENTED_IF(instr.suldst.GetStoreDataLayout() != StoreType::Bits32);
const auto maxwell3d = &Core::System::GetInstance().GPU().Maxwell3D();
const auto tex_info = maxwell3d->GetStageTexture(shader_stage, image.GetOffset());
const auto comp_mask = GetImageComponentMask(tex_info.tic.format);
// TODO(namkazt): let's suppose image format is same as store type. we check on it
// later.
switch (instr.suldst.GetStoreDataLayout()) {
case StoreType::Bits32: {
Node value{};
for (s32 i = 3; i >= 0; i--) {
MetaImage meta{image, {}, i};
Node element_value =
u32 shifted_counter = 0;
Node value = Immediate(0);
for (u32 element = 0; element < 4; ++element) {
if (!IsComponentEnabled(comp_mask, element)) {
continue;
}
const auto component_type = GetComponentType(tex_info.tic, element);
const auto component_size = GetComponentSize(tex_info.tic.format, element);
bool is_signed = true;
MetaImage meta{image, {}, element};
const Node original_value =
Operation(OperationCode::ImageLoad, meta, GetCoordinates(type));
Node converted_value = [&] {
switch (component_type) {
case ComponentType::SNORM: {
// range [-1.0, 1.0]
auto cnv_value = Operation(OperationCode::FMul, NO_PRECISE,
original_value, Immediate(128.f));
return SignedOperation(OperationCode::ICastFloat, is_signed, NO_PRECISE,
std::move(cnv_value));
return cnv_value;
}
case ComponentType::UNORM: {
// range [0.0, 1.0]
auto cnv_value = Operation(OperationCode::FMul, NO_PRECISE,
original_value, Immediate(255.f));
is_signed = false;
return SignedOperation(OperationCode::ICastFloat, is_signed, NO_PRECISE,
std::move(cnv_value));
return cnv_value;
}
case ComponentType::SINT: // range [-128,128]
return original_value;
case ComponentType::UINT: // range [0, 255]
is_signed = false;
return original_value;
case ComponentType::FLOAT:
if (component_size == 8) {
auto cnv_value = Operation(OperationCode::FMul, NO_PRECISE,
original_value, Immediate(255.f));
return SignedOperation(OperationCode::ICastFloat, is_signed,
NO_PRECISE, std::move(cnv_value));
}
return original_value;
default:
UNIMPLEMENTED_MSG("Unimplement component type={}", component_type);
return original_value;
}
}();
// shift element to correct position
shifted_counter += component_size;
const auto shifted = 32 - shifted_counter;
if (shifted > 0) {
/* converted_value =
SignedOperation(OperationCode::ILogicalShiftLeft, is_signed,
std::move(converted_value), Immediate(shifted));*/
}
const Node comp = GetPredicateComparisonFloat(PredCondition::GreaterEqual,
element_value, Immediate(1.0f));
const Node mul =
Operation(OperationCode::Select, comp, Immediate(1.f), Immediate(255.f));
Node element = Operation(OperationCode::FMul, NO_PRECISE, element_value, mul);
element = SignedOperation(OperationCode::ICastFloat, true, NO_PRECISE,
std::move(element));
element = Operation(OperationCode::ULogicalShiftLeft, std::move(element),
Immediate(8 * i));
if (i == 3) {
//(namkazt) for now i'm force it to 0 at alpha component if color is in
// range (0-255)
value = Operation(OperationCode::Select, comp, Immediate(0),
std::move(element));
// add value into result
if (element == 0) {
value = original_value;
} else {
value = Operation(OperationCode::UBitwiseOr, value,
Operation(OperationCode::Select, comp,
std::move(element_value), std::move(element)));
value =
Operation(OperationCode::UBitwiseOr, value, std::move(converted_value));
}
break;
}
SetRegister(bb, instr.gpr0.Value(), std::move(value));
break;
}
default:

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