lux/citra
1
0
Fork 0
mirror of https://git.h3cjp.net/H3cJP/citra.git synced 2024-11-23 23:32:47 +00:00
Code Issues Packages Projects Releases Wiki Activity

gl_buffer_cache: Drop interop based parameter buffer workarounds

Browse source 
Sacrify runtime performance to avoid generating kernel exceptions on
Windows due to our abusive aliasing of interop buffer objects.
This commit is contained in:
ReinUsesLisp 2021-01-18 19:00:00 -03:00
parent 2b95c137ff
commit 3da87d3f12
3 changed files with 45 additions and 65 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
src/video_core/buffer_cache/buffer_cache.h
View file

@ -91,7 +91,7 @@ class BufferCache {
};
public:
static constexpr size_t SKIP_CACHE_SIZE = 4096;
static constexpr u32 SKIP_CACHE_SIZE = 4096;
explicit BufferCache(VideoCore::RasterizerInterface& rasterizer_,
Tegra::Engines::Maxwell3D& maxwell3d_,
@ -671,7 +671,7 @@ void BufferCache<P>::BindHostGraphicsUniformBuffer(size_t stage, u32 index, u32
const VAddr cpu_addr = binding.cpu_addr;
const u32 size = binding.size;
Buffer& buffer = slot_buffers[binding.buffer_id];
if (size <= runtime.SkipCacheSize() && !buffer.IsRegionGpuModified(cpu_addr, size)) {
if (size <= SKIP_CACHE_SIZE && !buffer.IsRegionGpuModified(cpu_addr, size)) {
if constexpr (IS_OPENGL) {
if (runtime.HasFastBufferSubData()) {
// Fast path for Nvidia

86
src/video_core/renderer_opengl/gl_buffer_cache.cpp
View file

@ -36,13 +36,8 @@ Buffer::Buffer(BufferCacheRuntime& runtime, VideoCore::RasterizerInterface& rast
buffer.Create();
const std::string name = fmt::format("Buffer 0x{:x}", CpuAddr());
glObjectLabel(GL_BUFFER, buffer.handle, static_cast<GLsizei>(name.size()), name.data());
if (runtime.device.UseAssemblyShaders()) {
CreateMemoryObjects(runtime);
glNamedBufferStorageMemEXT(buffer.handle, SizeBytes(), memory_commit.ExportOpenGLHandle(),
memory_commit.Offset());
} else {
glNamedBufferData(buffer.handle, SizeBytes(), nullptr, GL_DYNAMIC_DRAW);
}
glNamedBufferData(buffer.handle, SizeBytes(), nullptr, GL_DYNAMIC_DRAW);
if (runtime.has_unified_vertex_buffers) {
glGetNamedBufferParameterui64vNV(buffer.handle, GL_BUFFER_GPU_ADDRESS_NV, &address);
}
@ -71,61 +66,33 @@ void Buffer::MakeResident(GLenum access) noexcept {
glMakeNamedBufferResidentNV(buffer.handle, access);
}
GLuint Buffer::SubBuffer(u32 offset) {
if (offset == 0) {
return buffer.handle;
}
for (const auto& [sub_buffer, sub_offset] : subs) {
if (sub_offset == offset) {
return sub_buffer.handle;
}
}
OGLBuffer sub_buffer;
sub_buffer.Create();
glNamedBufferStorageMemEXT(sub_buffer.handle, SizeBytes() - offset,
memory_commit.ExportOpenGLHandle(), memory_commit.Offset() + offset);
return subs.emplace_back(std::move(sub_buffer), offset).first.handle;
}
void Buffer::CreateMemoryObjects(BufferCacheRuntime& runtime) {
auto& allocator = runtime.vulkan_memory_allocator;
auto& device = runtime.vulkan_device->GetLogical();
auto vulkan_buffer = device.CreateBuffer(VkBufferCreateInfo{
.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.size = SizeBytes(),
.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT |
VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT |
VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT | VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT |
VK_BUFFER_USAGE_STORAGE_BUFFER_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT |
VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
.queueFamilyIndexCount = 0,
.pQueueFamilyIndices = nullptr,
});
const VkMemoryRequirements requirements = device.GetBufferMemoryRequirements(*vulkan_buffer);
memory_commit = allocator->Commit(requirements, Vulkan::MemoryUsage::DeviceLocal);
}
BufferCacheRuntime::BufferCacheRuntime(const Device& device_, const Vulkan::Device* vulkan_device_,
Vulkan::MemoryAllocator* vulkan_memory_allocator_)
: device{device_}, vulkan_device{vulkan_device_},
vulkan_memory_allocator{vulkan_memory_allocator_},
stream_buffer{device.HasFastBufferSubData() ? std::nullopt
: std::make_optional<StreamBuffer>()} {
has_fast_buffer_sub_data{device.HasFastBufferSubData()},
use_assembly_shaders{device.UseAssemblyShaders()},
has_unified_vertex_buffers{device.HasVertexBufferUnifiedMemory()},
stream_buffer{has_fast_buffer_sub_data ? std::nullopt : std::make_optional<StreamBuffer>()} {
GLint gl_max_attributes;
glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &gl_max_attributes);
max_attributes = static_cast<u32>(gl_max_attributes);
use_assembly_shaders = device.UseAssemblyShaders();
has_unified_vertex_buffers = device.HasVertexBufferUnifiedMemory();
for (auto& stage_uniforms : fast_uniforms) {
for (OGLBuffer& buffer : stage_uniforms) {
buffer.Create();
glNamedBufferData(buffer.handle, BufferCache::SKIP_CACHE_SIZE, nullptr, GL_STREAM_DRAW);
}
}
for (auto& stage_uniforms : copy_uniforms) {
for (OGLBuffer& buffer : stage_uniforms) {
buffer.Create();
glNamedBufferData(buffer.handle, 0x10'000, nullptr, GL_STREAM_COPY);
}
}
for (OGLBuffer& buffer : copy_compute_uniforms) {
buffer.Create();
glNamedBufferData(buffer.handle, 0x10'000, nullptr, GL_STREAM_COPY);
}
}
void BufferCacheRuntime::CopyBuffer(Buffer& dst_buffer, Buffer& src_buffer,
@ -167,8 +134,14 @@ void BufferCacheRuntime::BindVertexBuffer(u32 index, Buffer& buffer, u32 offset,
void BufferCacheRuntime::BindUniformBuffer(size_t stage, u32 binding_index, Buffer& buffer,
u32 offset, u32 size) {
if (use_assembly_shaders) {
const GLuint sub_buffer = buffer.SubBuffer(offset);
glBindBufferRangeNV(PABO_LUT[stage], binding_index, sub_buffer, 0,
GLuint handle;
if (offset != 0) {
handle = copy_uniforms[stage][binding_index].handle;
glCopyNamedBufferSubData(buffer.Handle(), handle, offset, 0, size);
} else {
handle = buffer.Handle();
}
glBindBufferRangeNV(PABO_LUT[stage], binding_index, handle, 0,
static_cast<GLsizeiptr>(size));
} else {
const GLuint base_binding = device.GetBaseBindings(stage).uniform_buffer;
@ -181,8 +154,15 @@ void BufferCacheRuntime::BindUniformBuffer(size_t stage, u32 binding_index, Buff
void BufferCacheRuntime::BindComputeUniformBuffer(u32 binding_index, Buffer& buffer, u32 offset,
u32 size) {
if (use_assembly_shaders) {
glBindBufferRangeNV(GL_COMPUTE_PROGRAM_PARAMETER_BUFFER_NV, binding_index,
buffer.SubBuffer(offset), 0, static_cast<GLsizeiptr>(size));
GLuint handle;
if (offset != 0) {
handle = copy_compute_uniforms[binding_index].handle;
glCopyNamedBufferSubData(buffer.Handle(), handle, offset, 0, size);
} else {
handle = buffer.Handle();
}
glBindBufferRangeNV(GL_COMPUTE_PROGRAM_PARAMETER_BUFFER_NV, binding_index, handle, 0,
static_cast<GLsizeiptr>(size));
} else {
glBindBufferRange(GL_UNIFORM_BUFFER, binding_index, buffer.Handle(),
static_cast<GLintptr>(offset), static_cast<GLsizeiptr>(size));

20
src/video_core/renderer_opengl/gl_buffer_cache.h
View file

@ -39,8 +39,6 @@ public:
void MakeResident(GLenum access) noexcept;
[[nodiscard]] GLuint SubBuffer(u32 offset);
[[nodiscard]] GLuint64EXT HostGpuAddr() const noexcept {
return address;
}
@ -50,13 +48,9 @@ public:
}
private:
void CreateMemoryObjects(BufferCacheRuntime& runtime);
GLuint64EXT address = 0;
Vulkan::MemoryCommit memory_commit;
OGLBuffer buffer;
GLenum current_residency_access = GL_NONE;
std::vector<std::pair<OGLBuffer, u32>> subs;
};
class BufferCacheRuntime {
@ -127,7 +121,7 @@ public:
}
[[nodiscard]] bool HasFastBufferSubData() const noexcept {
return device.HasFastBufferSubData();
return has_fast_buffer_sub_data;
}
private:
@ -140,16 +134,22 @@ private:
const Device& device;
const Vulkan::Device* vulkan_device;
Vulkan::MemoryAllocator* vulkan_memory_allocator;
std::optional<StreamBuffer> stream_buffer;
bool has_fast_buffer_sub_data = false;
bool use_assembly_shaders = false;
bool has_unified_vertex_buffers = false;
u32 max_attributes = 0;
bool use_assembly_shaders = false;
bool has_unified_vertex_buffers = false;
std::optional<StreamBuffer> stream_buffer;
std::array<std::array<OGLBuffer, VideoCommon::NUM_GRAPHICS_UNIFORM_BUFFERS>,
VideoCommon::NUM_STAGES>
fast_uniforms;
std::array<std::array<OGLBuffer, VideoCommon::NUM_GRAPHICS_UNIFORM_BUFFERS>,
VideoCommon::NUM_STAGES>
copy_uniforms;
std::array<OGLBuffer, VideoCommon::NUM_COMPUTE_UNIFORM_BUFFERS> copy_compute_uniforms;
u32 index_buffer_offset = 0;
};