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fermi_2d: Implement simple copies with AccelerateSurfaceCopy.

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This commit is contained in:
bunnei 2018-10-05 23:46:40 -04:00
parent 011cf77796
commit 9aec85d39c
3 changed files with 35 additions and 23 deletions
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48
src/video_core/engines/fermi_2d.cpp
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@ -4,11 +4,13 @@
#include "core/memory.h"
#include "video_core/engines/fermi_2d.h"
#include "video_core/rasterizer_interface.h"
#include "video_core/textures/decoders.h"
namespace Tegra::Engines {
Fermi2D::Fermi2D(MemoryManager& memory_manager) : memory_manager(memory_manager) {}
Fermi2D::Fermi2D(VideoCore::RasterizerInterface& rasterizer, MemoryManager& memory_manager)
: memory_manager(memory_manager), rasterizer{rasterizer} {}
void Fermi2D::WriteReg(u32 method, u32 value) {
ASSERT_MSG(method < Regs::NUM_REGS,
@ -44,27 +46,31 @@ void Fermi2D::HandleSurfaceCopy() {
u32 src_bytes_per_pixel = RenderTargetBytesPerPixel(regs.src.format);
u32 dst_bytes_per_pixel = RenderTargetBytesPerPixel(regs.dst.format);
if (regs.src.linear == regs.dst.linear) {
// If the input layout and the output layout are the same, just perform a raw copy.
ASSERT(regs.src.BlockHeight() == regs.dst.BlockHeight());
Memory::CopyBlock(dest_cpu, source_cpu,
src_bytes_per_pixel * regs.dst.width * regs.dst.height);
return;
}
if (!rasterizer.AccelerateSurfaceCopy(regs.src, regs.dst)) {
// TODO(bunnei): The below implementation currently will not get hit, as
// AccelerateSurfaceCopy tries to always copy and will always return success. This should be
// changed once we properly support flushing.
u8* src_buffer = Memory::GetPointer(source_cpu);
u8* dst_buffer = Memory::GetPointer(dest_cpu);
if (!regs.src.linear && regs.dst.linear) {
// If the input is tiled and the output is linear, deswizzle the input and copy it over.
Texture::CopySwizzledData(regs.src.width, regs.src.height, src_bytes_per_pixel,
dst_bytes_per_pixel, src_buffer, dst_buffer, true,
regs.src.BlockHeight());
} else {
// If the input is linear and the output is tiled, swizzle the input and copy it over.
Texture::CopySwizzledData(regs.src.width, regs.src.height, src_bytes_per_pixel,
dst_bytes_per_pixel, dst_buffer, src_buffer, false,
regs.dst.BlockHeight());
if (regs.src.linear == regs.dst.linear) {
// If the input layout and the output layout are the same, just perform a raw copy.
ASSERT(regs.src.BlockHeight() == regs.dst.BlockHeight());
Memory::CopyBlock(dest_cpu, source_cpu,
src_bytes_per_pixel * regs.dst.width * regs.dst.height);
return;
}
u8* src_buffer = Memory::GetPointer(source_cpu);
u8* dst_buffer = Memory::GetPointer(dest_cpu);
if (!regs.src.linear && regs.dst.linear) {
// If the input is tiled and the output is linear, deswizzle the input and copy it over.
Texture::CopySwizzledData(regs.src.width, regs.src.height, src_bytes_per_pixel,
dst_bytes_per_pixel, src_buffer, dst_buffer, true,
regs.src.BlockHeight());
} else {
// If the input is linear and the output is tiled, swizzle the input and copy it over.
Texture::CopySwizzledData(regs.src.width, regs.src.height, src_bytes_per_pixel,
dst_bytes_per_pixel, dst_buffer, src_buffer, false,
regs.dst.BlockHeight());
}
}
}

8
src/video_core/engines/fermi_2d.h
View File

@ -12,6 +12,10 @@
#include "video_core/gpu.h"
#include "video_core/memory_manager.h"
namespace VideoCore {
class RasterizerInterface;
}
namespace Tegra::Engines {
#define FERMI2D_REG_INDEX(field_name) \
@ -19,7 +23,7 @@ namespace Tegra::Engines {
class Fermi2D final {
public:
explicit Fermi2D(MemoryManager& memory_manager);
explicit Fermi2D(VideoCore::RasterizerInterface& rasterizer, MemoryManager& memory_manager);
~Fermi2D() = default;
/// Write the value to the register identified by method.
@ -94,6 +98,8 @@ public:
MemoryManager& memory_manager;
private:
VideoCore::RasterizerInterface& rasterizer;
/// Performs the copy from the source surface to the destination surface as configured in the
/// registers.
void HandleSurfaceCopy();

2
src/video_core/gpu.cpp
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@ -25,7 +25,7 @@ u32 FramebufferConfig::BytesPerPixel(PixelFormat format) {
GPU::GPU(VideoCore::RasterizerInterface& rasterizer) {
memory_manager = std::make_unique<Tegra::MemoryManager>();
maxwell_3d = std::make_unique<Engines::Maxwell3D>(rasterizer, *memory_manager);
fermi_2d = std::make_unique<Engines::Fermi2D>(*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>(*memory_manager);
kepler_memory = std::make_unique<Engines::KeplerMemory>(*memory_manager);