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texture_cache: Implement Buffer Copy and detect Turing GPUs Image Copies

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This commit is contained in:
Fernando Sahmkow
2019-06-01 19:12:00 -04:00
committed by ReinUsesLisp
parent 228f516bb4
commit 60bf761afb
8 changed files with 148 additions and 12 deletions
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1
src/video_core/renderer_opengl/gl_device.cpp
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@@ -28,6 +28,7 @@ Device::Device() {
max_varyings = GetInteger<u32>(GL_MAX_VARYING_VECTORS);
has_variable_aoffi = TestVariableAoffi();
has_component_indexing_bug = TestComponentIndexingBug();
is_turing_plus = GLAD_GL_NV_mesh_shader;
}
Device::Device(std::nullptr_t) {

5
src/video_core/renderer_opengl/gl_device.h
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@@ -34,6 +34,10 @@ public:
return has_component_indexing_bug;
}
bool IsTuringGPU() const {
return is_turing_plus;
}
private:
static bool TestVariableAoffi();
static bool TestComponentIndexingBug();
@@ -43,6 +47,7 @@ private:
u32 max_varyings{};
bool has_variable_aoffi{};
bool has_component_indexing_bug{};
bool is_turing_plus{};
};
} // namespace OpenGL

2
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@@ -82,7 +82,7 @@ struct DrawParameters {
RasterizerOpenGL::RasterizerOpenGL(Core::System& system, Core::Frontend::EmuWindow& emu_window,
ScreenInfo& info)
: texture_cache{system, *this}, shader_cache{*this, system, emu_window, device},
: texture_cache{system, *this, device}, shader_cache{*this, system, emu_window, device},
global_cache{*this}, system{system}, screen_info{info},
buffer_cache(*this, STREAM_BUFFER_SIZE) {
OpenGLState::ApplyDefaultState();

8
src/video_core/renderer_opengl/gl_resource_manager.cpp
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@@ -148,6 +148,14 @@ void OGLBuffer::Release() {
handle = 0;
}
void OGLBuffer::MakePersistant(std::size_t buffer_size) {
if (handle == 0 || buffer_size == 0)
return;
const GLbitfield flags = GL_MAP_PERSISTENT_BIT | GL_MAP_WRITE_BIT | GL_MAP_READ_BIT;
glNamedBufferStorage(handle, static_cast<GLsizeiptr>(buffer_size), nullptr, flags);
}
void OGLSync::Create() {
if (handle != 0)
return;

3
src/video_core/renderer_opengl/gl_resource_manager.h
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@@ -186,6 +186,9 @@ public:
/// Deletes the internal OpenGL resource
void Release();
// Converts the buffer into a persistant storage buffer
void MakePersistant(std::size_t buffer_size);
GLuint handle = 0;
};

92
src/video_core/renderer_opengl/gl_texture_cache.cpp
View File

@@ -3,6 +3,7 @@
// Refer to the license.txt file included.
#include "common/assert.h"
#include "common/bit_util.h"
#include "common/common_types.h"
#include "common/microprofile.h"
#include "common/scope_exit.h"
@@ -435,8 +436,10 @@ OGLTextureView CachedSurfaceView::CreateTextureView() const {
}
TextureCacheOpenGL::TextureCacheOpenGL(Core::System& system,
VideoCore::RasterizerInterface& rasterizer)
VideoCore::RasterizerInterface& rasterizer,
const Device& device)
: TextureCacheBase{system, rasterizer} {
support_info.depth_color_image_copies = !device.IsTuringGPU();
src_framebuffer.Create();
dst_framebuffer.Create();
}
@@ -449,6 +452,14 @@ Surface TextureCacheOpenGL::CreateSurface(GPUVAddr gpu_addr, const SurfaceParams
void TextureCacheOpenGL::ImageCopy(Surface src_surface, Surface dst_surface,
const VideoCommon::CopyParams& copy_params) {
if (!support_info.depth_color_image_copies) {
const auto& src_params = src_surface->GetSurfaceParams();
const auto& dst_params = dst_surface->GetSurfaceParams();
if (src_params.type != dst_params.type) {
// A fallback is needed
return;
}
}
const auto src_handle = src_surface->GetTexture();
const auto src_target = src_surface->GetTarget();
const auto dst_handle = dst_surface->GetTexture();
@@ -517,4 +528,83 @@ void TextureCacheOpenGL::ImageBlit(View src_view, View dst_view,
is_linear ? GL_LINEAR : GL_NEAREST);
}
void TextureCacheOpenGL::BufferCopy(Surface src_surface, Surface dst_surface) {
const auto& src_params = src_surface->GetSurfaceParams();
const auto& dst_params = dst_surface->GetSurfaceParams();
const auto source_format = GetFormatTuple(src_params.pixel_format, src_params.component_type);
const auto dest_format = GetFormatTuple(dst_params.pixel_format, dst_params.component_type);
const std::size_t source_size = src_surface->GetHostSizeInBytes();
const std::size_t dest_size = dst_surface->GetHostSizeInBytes();
const std::size_t buffer_size = std::max(source_size, dest_size);
GLuint copy_pbo_handle = FetchPBO(buffer_size);
glBindBuffer(GL_PIXEL_PACK_BUFFER, copy_pbo_handle);
if (source_format.compressed) {
glGetCompressedTextureImage(src_surface->GetTexture(), 0, static_cast<GLsizei>(source_size),
nullptr);
} else {
glGetTextureImage(src_surface->GetTexture(), 0, source_format.format, source_format.type,
static_cast<GLsizei>(source_size), nullptr);
}
glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, copy_pbo_handle);
const GLsizei width = static_cast<GLsizei>(dst_params.width);
const GLsizei height = static_cast<GLsizei>(dst_params.height);
const GLsizei depth = static_cast<GLsizei>(dst_params.depth);
if (dest_format.compressed) {
LOG_CRITICAL(HW_GPU, "Compressed buffer copy is unimplemented!");
UNREACHABLE();
} else {
switch (dst_params.target) {
case SurfaceTarget::Texture1D:
glTextureSubImage1D(dst_surface->GetTexture(), 0, 0, width, dest_format.format,
dest_format.type, nullptr);
break;
case SurfaceTarget::Texture2D:
glTextureSubImage2D(dst_surface->GetTexture(), 0, 0, 0, width, height,
dest_format.format, dest_format.type, nullptr);
break;
case SurfaceTarget::Texture3D:
case SurfaceTarget::Texture2DArray:
case SurfaceTarget::TextureCubeArray:
glTextureSubImage3D(dst_surface->GetTexture(), 0, 0, 0, 0, width, height, depth,
dest_format.format, dest_format.type, nullptr);
break;
case SurfaceTarget::TextureCubemap:
glTextureSubImage3D(dst_surface->GetTexture(), 0, 0, 0, 0, width, height, depth,
dest_format.format, dest_format.type, nullptr);
break;
default:
LOG_CRITICAL(Render_OpenGL, "Unimplemented surface target={}",
static_cast<u32>(dst_params.target));
UNREACHABLE();
}
}
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
glTextureBarrier();
}
GLuint TextureCacheOpenGL::FetchPBO(std::size_t buffer_size) {
if (buffer_size < 0) {
UNREACHABLE();
return 0;
}
const u32 l2 = Common::Log2Ceil64(static_cast<u64>(buffer_size));
OGLBuffer& cp = copy_pbo_cache[l2];
if (cp.handle == 0) {
const std::size_t ceil_size = 1ULL << l2;
cp.Create();
cp.MakePersistant(ceil_size);
}
return cp.handle;
}
} // namespace OpenGL

9
src/video_core/renderer_opengl/gl_texture_cache.h
View File

@@ -13,6 +13,7 @@
#include "common/common_types.h"
#include "video_core/engines/shader_bytecode.h"
#include "video_core/renderer_opengl/gl_device.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
#include "video_core/texture_cache/texture_cache.h"
@@ -129,7 +130,8 @@ private:
class TextureCacheOpenGL final : public TextureCacheBase {
public:
explicit TextureCacheOpenGL(Core::System& system, VideoCore::RasterizerInterface& rasterizer);
explicit TextureCacheOpenGL(Core::System& system, VideoCore::RasterizerInterface& rasterizer,
const Device& device);
~TextureCacheOpenGL();
protected:
@@ -141,9 +143,14 @@ protected:
void ImageBlit(View src_view, View dst_view,
const Tegra::Engines::Fermi2D::Config& copy_config) override;
void BufferCopy(Surface src_surface, Surface dst_surface) override;
private:
GLuint FetchPBO(std::size_t buffer_size);
OGLFramebuffer src_framebuffer;
OGLFramebuffer dst_framebuffer;
std::unordered_map<u32, OGLBuffer> copy_pbo_cache;
};
} // namespace OpenGL

40
src/video_core/texture_cache/texture_cache.h
View File

@@ -214,6 +214,13 @@ public:
}
protected:
// This structure is used for communicating with the backend, on which behaviors
// it supports and what not, to avoid assuming certain things about hardware.
// The backend is RESPONSIBLE for filling this settings on creation.
struct Support {
bool depth_color_image_copies;
} support_info;
TextureCache(Core::System& system, VideoCore::RasterizerInterface& rasterizer)
: system{system}, rasterizer{rasterizer} {
for (std::size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) {
@@ -233,6 +240,10 @@ protected:
virtual void ImageBlit(TView src_view, TView dst_view,
const Tegra::Engines::Fermi2D::Config& copy_config) = 0;
// Depending on the backend, a buffer copy can be slow as it means deoptimizing the texture
// and reading it from a sepparate buffer.
virtual void BufferCopy(TSurface src_surface, TSurface dst_surface) = 0;
void Register(TSurface surface) {
std::lock_guard lock{mutex};
@@ -377,9 +388,14 @@ private:
const SurfaceParams& params) {
const auto gpu_addr = current_surface->GetGpuAddr();
TSurface new_surface = GetUncachedSurface(gpu_addr, params);
std::vector<CopyParams> bricks = current_surface->BreakDown(params);
for (auto& brick : bricks) {
ImageCopy(current_surface, new_surface, brick);
const auto& cr_params = current_surface->GetSurfaceParams();
if (!support_info.depth_color_image_copies && cr_params.type != params.type) {
BufferCopy(current_surface, new_surface);
} else {
std::vector<CopyParams> bricks = current_surface->BreakDown(params);
for (auto& brick : bricks) {
ImageCopy(current_surface, new_surface, brick);
}
}
Unregister(current_surface);
Register(new_surface);
@@ -505,7 +521,8 @@ private:
auto topological_result = current_surface->MatchesTopology(params);
if (topological_result != MatchTopologyResult::FullMatch) {
std::vector<TSurface> overlaps{current_surface};
return RecycleSurface(overlaps, params, gpu_addr, preserve_contents, topological_result);
return RecycleSurface(overlaps, params, gpu_addr, preserve_contents,
topological_result);
}
MatchStructureResult s_result = current_surface->MatchesStructure(params);
if (s_result != MatchStructureResult::None &&
@@ -537,7 +554,8 @@ private:
for (auto surface : overlaps) {
auto topological_result = surface->MatchesTopology(params);
if (topological_result != MatchTopologyResult::FullMatch) {
return RecycleSurface(overlaps, params, gpu_addr, preserve_contents, topological_result);
return RecycleSurface(overlaps, params, gpu_addr, preserve_contents,
topological_result);
}
}
@@ -555,7 +573,8 @@ private:
return *view;
}
}
return RecycleSurface(overlaps, params, gpu_addr, preserve_contents, MatchTopologyResult::FullMatch);
return RecycleSurface(overlaps, params, gpu_addr, preserve_contents,
MatchTopologyResult::FullMatch);
}
// Now we check if the candidate is a mipmap/layer of the overlap
std::optional<TView> view =
@@ -578,13 +597,15 @@ private:
pair.first->EmplaceView(params, gpu_addr, candidate_size);
if (mirage_view)
return {pair.first, *mirage_view};
return RecycleSurface(overlaps, params, gpu_addr, preserve_contents, MatchTopologyResult::FullMatch);
return RecycleSurface(overlaps, params, gpu_addr, preserve_contents,
MatchTopologyResult::FullMatch);
}
return {current_surface, *view};
}
// The next case is unsafe, so if we r in accurate GPU, just skip it
if (Settings::values.use_accurate_gpu_emulation) {
return RecycleSurface(overlaps, params, gpu_addr, preserve_contents, MatchTopologyResult::FullMatch);
return RecycleSurface(overlaps, params, gpu_addr, preserve_contents,
MatchTopologyResult::FullMatch);
}
// This is the case the texture is a part of the parent.
if (current_surface->MatchesSubTexture(params, gpu_addr)) {
@@ -601,7 +622,8 @@ private:
}
}
// We failed all the tests, recycle the overlaps into a new texture.
return RecycleSurface(overlaps, params, gpu_addr, preserve_contents, MatchTopologyResult::FullMatch);
return RecycleSurface(overlaps, params, gpu_addr, preserve_contents,
MatchTopologyResult::FullMatch);
}
std::pair<TSurface, TView> InitializeSurface(GPUVAddr gpu_addr, const SurfaceParams& params,