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// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/assert.h"
#include "video_core/engines/fermi_2d.h"
#include "video_core/engines/kepler_memory.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/engines/maxwell_compute.h"
#include "video_core/engines/maxwell_dma.h"
#include "video_core/gpu.h"
#include "video_core/rasterizer_interface.h"
namespace Tegra {
u32 FramebufferConfig::BytesPerPixel(PixelFormat format) {
switch (format) {
case PixelFormat::ABGR8:
return 4;
default:
return 4;
}
UNREACHABLE();
}
GPU::GPU(VideoCore::RasterizerInterface& rasterizer) {
memory_manager = std::make_unique<Tegra::MemoryManager>();
dma_pusher = std::make_unique<Tegra::DmaPusher>(*this);
maxwell_3d = std::make_unique<Engines::Maxwell3D>(rasterizer, *memory_manager);
fermi_2d = std::make_unique<Engines::Fermi2D>(rasterizer, *memory_manager);
maxwell_compute = std::make_unique<Engines::MaxwellCompute>();
maxwell_dma = std::make_unique<Engines::MaxwellDMA>(rasterizer, *memory_manager);
kepler_memory = std::make_unique<Engines::KeplerMemory>(rasterizer, *memory_manager);
}
GPU::~GPU() = default;
Engines::Maxwell3D& GPU::Maxwell3D() {
return *maxwell_3d;
}
const Engines::Maxwell3D& GPU::Maxwell3D() const {
return *maxwell_3d;
}
MemoryManager& GPU::MemoryManager() {
return *memory_manager;
}
const MemoryManager& GPU::MemoryManager() const {
return *memory_manager;
}
DmaPusher& GPU::DmaPusher() {
return *dma_pusher;
}
const DmaPusher& GPU::DmaPusher() const {
return *dma_pusher;
}
u32 RenderTargetBytesPerPixel(RenderTargetFormat format) {
ASSERT(format != RenderTargetFormat::NONE);
switch (format) {
case RenderTargetFormat::RGBA32_FLOAT:
case RenderTargetFormat::RGBA32_UINT:
return 16;
case RenderTargetFormat::RGBA16_UINT:
case RenderTargetFormat::RGBA16_UNORM:
case RenderTargetFormat::RGBA16_FLOAT:
case RenderTargetFormat::RG32_FLOAT:
case RenderTargetFormat::RG32_UINT:
return 8;
case RenderTargetFormat::RGBA8_UNORM:
case RenderTargetFormat::RGBA8_SNORM:
case RenderTargetFormat::RGBA8_SRGB:
case RenderTargetFormat::RGBA8_UINT:
case RenderTargetFormat::RGB10_A2_UNORM:
case RenderTargetFormat::BGRA8_UNORM:
case RenderTargetFormat::BGRA8_SRGB:
case RenderTargetFormat::RG16_UNORM:
case RenderTargetFormat::RG16_SNORM:
case RenderTargetFormat::RG16_UINT:
case RenderTargetFormat::RG16_SINT:
case RenderTargetFormat::RG16_FLOAT:
case RenderTargetFormat::R32_FLOAT:
case RenderTargetFormat::R11G11B10_FLOAT:
case RenderTargetFormat::R32_UINT:
return 4;
case RenderTargetFormat::R16_UNORM:
case RenderTargetFormat::R16_SNORM:
case RenderTargetFormat::R16_UINT:
case RenderTargetFormat::R16_SINT:
case RenderTargetFormat::R16_FLOAT:
case RenderTargetFormat::RG8_UNORM:
case RenderTargetFormat::RG8_SNORM:
return 2;
case RenderTargetFormat::R8_UNORM:
case RenderTargetFormat::R8_UINT:
return 1;
default:
UNIMPLEMENTED_MSG("Unimplemented render target format {}", static_cast<u32>(format));
return 1;
}
}
u32 DepthFormatBytesPerPixel(DepthFormat format) {
switch (format) {
case DepthFormat::Z32_S8_X24_FLOAT:
return 8;
case DepthFormat::Z32_FLOAT:
case DepthFormat::S8_Z24_UNORM:
case DepthFormat::Z24_X8_UNORM:
case DepthFormat::Z24_S8_UNORM:
case DepthFormat::Z24_C8_UNORM:
return 4;
case DepthFormat::Z16_UNORM:
return 2;
default:
UNIMPLEMENTED_MSG("Unimplemented Depth format {}", static_cast<u32>(format));
return 1;
}
}
enum class BufferMethods {
BindObject = 0,
CountBufferMethods = 0x40,
};
void GPU::CallMethod(const MethodCall& method_call) {
LOG_TRACE(HW_GPU, "Processing method {:08X} on subchannel {}", method_call.method,
method_call.subchannel);
ASSERT(method_call.subchannel < bound_engines.size());
if (method_call.method == static_cast<u32>(BufferMethods::BindObject)) {
// Bind the current subchannel to the desired engine id.
LOG_DEBUG(HW_GPU, "Binding subchannel {} to engine {}", method_call.subchannel,
method_call.argument);
bound_engines[method_call.subchannel] = static_cast<EngineID>(method_call.argument);
return;
}
if (method_call.method < static_cast<u32>(BufferMethods::CountBufferMethods)) {
// TODO(Subv): Research and implement these methods.
LOG_ERROR(HW_GPU, "Special buffer methods other than Bind are not implemented");
return;
}
const EngineID engine = bound_engines[method_call.subchannel];
switch (engine) {
case EngineID::FERMI_TWOD_A:
fermi_2d->CallMethod(method_call);
break;
case EngineID::MAXWELL_B:
maxwell_3d->CallMethod(method_call);
break;
case EngineID::MAXWELL_COMPUTE_B:
maxwell_compute->CallMethod(method_call);
break;
case EngineID::MAXWELL_DMA_COPY_A:
maxwell_dma->CallMethod(method_call);
break;
case EngineID::KEPLER_INLINE_TO_MEMORY_B:
kepler_memory->CallMethod(method_call);
break;
default:
UNIMPLEMENTED_MSG("Unimplemented engine");
}
}
} // namespace Tegra
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