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Merge pull request #1446 from bunnei/fast_fermi_copy 

gl_rasterizer: Implement accelerated Fermi2D copies.
This commit is contained in:
bunnei 2018-10-06 23:18:52 -04:00 committed by GitHub
parent 1cc5e6e9bc 2fbb20b2b5
commit 2c0b0ad50d
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GPG Key ID: 4AEE18F83AFDEB23
10 changed files with 120 additions and 39 deletions
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12
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,
@ -44,6 +46,11 @@ void Fermi2D::HandleSurfaceCopy() {
u32 src_bytes_per_pixel = RenderTargetBytesPerPixel(regs.src.format);
u32 dst_bytes_per_pixel = RenderTargetBytesPerPixel(regs.dst.format);
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.
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());
@ -51,10 +58,8 @@ void Fermi2D::HandleSurfaceCopy() {
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,
@ -66,6 +71,7 @@ void Fermi2D::HandleSurfaceCopy() {
dst_bytes_per_pixel, dst_buffer, src_buffer, false,
regs.dst.BlockHeight());
}
}
}
} // namespace Tegra::Engines

8
src/video_core/engines/fermi_2d.h
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@ -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);

11
src/video_core/rasterizer_interface.h
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@ -5,6 +5,7 @@
#pragma once
#include "common/common_types.h"
#include "video_core/engines/fermi_2d.h"
#include "video_core/gpu.h"
#include "video_core/memory_manager.h"
@ -33,13 +34,9 @@ public:
/// and invalidated
virtual void FlushAndInvalidateRegion(VAddr addr, u64 size) = 0;
/// Attempt to use a faster method to perform a display transfer with is_texture_copy = 0
virtual bool AccelerateDisplayTransfer(const void* config) {
return false;
}
/// Attempt to use a faster method to perform a display transfer with is_texture_copy = 1
virtual bool AccelerateTextureCopy(const void* config) {
/// Attempt to use a faster method to perform a surface copy
virtual bool AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Regs::Surface& src,
const Tegra::Engines::Fermi2D::Regs::Surface& dst) {
return false;
}

10
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@ -617,14 +617,10 @@ void RasterizerOpenGL::FlushAndInvalidateRegion(VAddr addr, u64 size) {
InvalidateRegion(addr, size);
}
bool RasterizerOpenGL::AccelerateDisplayTransfer(const void* config) {
bool RasterizerOpenGL::AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Regs::Surface& src,
const Tegra::Engines::Fermi2D::Regs::Surface& dst) {
MICROPROFILE_SCOPE(OpenGL_Blits);
UNREACHABLE();
return true;
}
bool RasterizerOpenGL::AccelerateTextureCopy(const void* config) {
UNREACHABLE();
res_cache.FermiCopySurface(src, dst);
return true;
}

4
src/video_core/renderer_opengl/gl_rasterizer.h
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@ -52,8 +52,8 @@ public:
void FlushRegion(VAddr addr, u64 size) override;
void InvalidateRegion(VAddr addr, u64 size) override;
void FlushAndInvalidateRegion(VAddr addr, u64 size) override;
bool AccelerateDisplayTransfer(const void* config) override;
bool AccelerateTextureCopy(const void* config) override;
bool AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Regs::Surface& src,
const Tegra::Engines::Fermi2D::Regs::Surface& dst) override;
bool AccelerateFill(const void* config) override;
bool AccelerateDisplay(const Tegra::FramebufferConfig& config, VAddr framebuffer_addr,
u32 pixel_stride) override;

63
src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
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@ -143,6 +143,28 @@ static VAddr TryGetCpuAddr(Tegra::GPUVAddr gpu_addr) {
return params;
}
/*static*/ SurfaceParams SurfaceParams::CreateForFermiCopySurface(
const Tegra::Engines::Fermi2D::Regs::Surface& config) {
SurfaceParams params{};
params.addr = TryGetCpuAddr(config.Address());
params.is_tiled = !config.linear;
params.block_height = params.is_tiled ? config.BlockHeight() : 0,
params.pixel_format = PixelFormatFromRenderTargetFormat(config.format);
params.component_type = ComponentTypeFromRenderTarget(config.format);
params.type = GetFormatType(params.pixel_format);
params.width = config.width;
params.height = config.height;
params.unaligned_height = config.height;
params.target = SurfaceTarget::Texture2D;
params.depth = 1;
params.size_in_bytes_total = params.SizeInBytesTotal();
params.size_in_bytes_2d = params.SizeInBytes2D();
params.max_mip_level = 0;
params.rt = {};
return params;
}
static constexpr std::array<FormatTuple, SurfaceParams::MaxPixelFormat> tex_format_tuples = {{
{GL_RGBA8, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, ComponentType::UNorm, false}, // ABGR8U
{GL_RGBA8, GL_RGBA, GL_BYTE, ComponentType::SNorm, false}, // ABGR8S
@ -559,6 +581,18 @@ static bool BlitSurface(const Surface& src_surface, const Surface& dst_surface,
return true;
}
static void FastCopySurface(const Surface& src_surface, const Surface& dst_surface) {
const auto& src_params{src_surface->GetSurfaceParams()};
const auto& dst_params{dst_surface->GetSurfaceParams()};
const u32 width{std::min(src_params.width, dst_params.width)};
const u32 height{std::min(src_params.height, dst_params.height)};
glCopyImageSubData(src_surface->Texture().handle, SurfaceTargetToGL(src_params.target), 0, 0, 0,
0, dst_surface->Texture().handle, SurfaceTargetToGL(dst_params.target), 0, 0,
0, 0, width, height, 1);
}
static void CopySurface(const Surface& src_surface, const Surface& dst_surface,
GLuint copy_pbo_handle, GLenum src_attachment = 0,
GLenum dst_attachment = 0, std::size_t cubemap_face = 0) {
@ -1033,6 +1067,26 @@ Surface RasterizerCacheOpenGL::GetUncachedSurface(const SurfaceParams& params) {
return surface;
}
void RasterizerCacheOpenGL::FermiCopySurface(
const Tegra::Engines::Fermi2D::Regs::Surface& src_config,
const Tegra::Engines::Fermi2D::Regs::Surface& dst_config) {
const auto& src_params = SurfaceParams::CreateForFermiCopySurface(src_config);
const auto& dst_params = SurfaceParams::CreateForFermiCopySurface(dst_config);
ASSERT(src_params.width == dst_params.width);
ASSERT(src_params.height == dst_params.height);
ASSERT(src_params.pixel_format == dst_params.pixel_format);
ASSERT(src_params.block_height == dst_params.block_height);
ASSERT(src_params.is_tiled == dst_params.is_tiled);
ASSERT(src_params.depth == dst_params.depth);
ASSERT(src_params.depth == 1); // Currently, FastCopySurface only works with 2D surfaces
ASSERT(src_params.target == dst_params.target);
ASSERT(src_params.rt.index == dst_params.rt.index);
FastCopySurface(GetSurface(src_params, true), GetSurface(dst_params, false));
}
Surface RasterizerCacheOpenGL::RecreateSurface(const Surface& old_surface,
const SurfaceParams& new_params) {
// Verify surface is compatible for blitting
@ -1041,6 +1095,15 @@ Surface RasterizerCacheOpenGL::RecreateSurface(const Surface& old_surface,
// Get a new surface with the new parameters, and blit the previous surface to it
Surface new_surface{GetUncachedSurface(new_params)};
// For compatible surfaces, we can just do fast glCopyImageSubData based copy
if (old_params.target == new_params.target && old_params.type == new_params.type &&
old_params.depth == new_params.depth && old_params.depth == 1 &&
SurfaceParams::GetFormatBpp(old_params.pixel_format) ==
SurfaceParams::GetFormatBpp(new_params.pixel_format)) {
FastCopySurface(old_surface, new_surface);
return new_surface;
}
// If the format is the same, just do a framebuffer blit. This is significantly faster than
// using PBOs. The is also likely less accurate, as textures will be converted rather than
// reinterpreted. When use_accurate_framebuffers setting is enabled, perform a more accurate

9
src/video_core/renderer_opengl/gl_rasterizer_cache.h
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@ -13,6 +13,7 @@
#include "common/common_types.h"
#include "common/hash.h"
#include "common/math_util.h"
#include "video_core/engines/fermi_2d.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/rasterizer_cache.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
@ -719,6 +720,10 @@ struct SurfaceParams {
Tegra::GPUVAddr zeta_address,
Tegra::DepthFormat format);
/// Creates SurfaceParams for a Fermi2D surface copy
static SurfaceParams CreateForFermiCopySurface(
const Tegra::Engines::Fermi2D::Regs::Surface& config);
/// Checks if surfaces are compatible for caching
bool IsCompatibleSurface(const SurfaceParams& other) const {
return std::tie(pixel_format, type, width, height, target, depth) ==
@ -837,6 +842,10 @@ public:
/// Tries to find a framebuffer using on the provided CPU address
Surface TryFindFramebufferSurface(VAddr addr) const;
/// Copies the contents of one surface to another
void FermiCopySurface(const Tegra::Engines::Fermi2D::Regs::Surface& src_config,
const Tegra::Engines::Fermi2D::Regs::Surface& dst_config);
private:
void LoadSurface(const Surface& surface);
Surface GetSurface(const SurfaceParams& params, bool preserve_contents = true);

2
src/yuzu/main.cpp
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@ -485,6 +485,8 @@ QStringList GMainWindow::GetUnsupportedGLExtensions() {
unsupported_ext.append("ARB_texture_storage");
if (!GLAD_GL_ARB_multi_bind)
unsupported_ext.append("ARB_multi_bind");
if (!GLAD_GL_ARB_copy_image)
unsupported_ext.append("ARB_copy_image");
// Extensions required to support some texture formats.
if (!GLAD_GL_EXT_texture_compression_s3tc)

2
src/yuzu_cmd/emu_window/emu_window_sdl2.cpp
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@ -98,6 +98,8 @@ bool EmuWindow_SDL2::SupportsRequiredGLExtensions() {
unsupported_ext.push_back("ARB_texture_storage");
if (!GLAD_GL_ARB_multi_bind)
unsupported_ext.push_back("ARB_multi_bind");
if (!GLAD_GL_ARB_copy_image)
unsupported_ext.push_back("ARB_copy_image");
// Extensions required to support some texture formats.
if (!GLAD_GL_EXT_texture_compression_s3tc)