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Merge pull request #3600 from ReinUsesLisp/no-pointer-buf-cache

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buffer_cache: Return handles instead of pointer to handles
This commit is contained in:
Fernando Sahmkow 2020-04-16 19:58:13 -04:00 • committed by GitHub
commit c81f256111
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GPG key ID: 4AEE18F83AFDEB23
14 changed files with 90 additions and 228 deletions
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18
src/video_core/renderer_opengl/gl_buffer_cache.cpp
View file

@ -55,33 +55,31 @@ void OGLBufferCache::WriteBarrier() {
glMemoryBarrier(GL_ALL_BARRIER_BITS);
}
const GLuint* OGLBufferCache::ToHandle(const Buffer& buffer) {
GLuint OGLBufferCache::ToHandle(const Buffer& buffer) {
return buffer->GetHandle();
}
const GLuint* OGLBufferCache::GetEmptyBuffer(std::size_t) {
static const GLuint null_buffer = 0;
return &null_buffer;
GLuint OGLBufferCache::GetEmptyBuffer(std::size_t) {
return 0;
}
void OGLBufferCache::UploadBlockData(const Buffer& buffer, std::size_t offset, std::size_t size,
const u8* data) {
glNamedBufferSubData(*buffer->GetHandle(), static_cast<GLintptr>(offset),
glNamedBufferSubData(buffer->GetHandle(), static_cast<GLintptr>(offset),
static_cast<GLsizeiptr>(size), data);
}
void OGLBufferCache::DownloadBlockData(const Buffer& buffer, std::size_t offset, std::size_t size,
u8* data) {
MICROPROFILE_SCOPE(OpenGL_Buffer_Download);
glGetNamedBufferSubData(*buffer->GetHandle(), static_cast<GLintptr>(offset),
glGetNamedBufferSubData(buffer->GetHandle(), static_cast<GLintptr>(offset),
static_cast<GLsizeiptr>(size), data);
}
void OGLBufferCache::CopyBlock(const Buffer& src, const Buffer& dst, std::size_t src_offset,
std::size_t dst_offset, std::size_t size) {
glCopyNamedBufferSubData(*src->GetHandle(), *dst->GetHandle(),
static_cast<GLintptr>(src_offset), static_cast<GLintptr>(dst_offset),
static_cast<GLsizeiptr>(size));
glCopyNamedBufferSubData(src->GetHandle(), dst->GetHandle(), static_cast<GLintptr>(src_offset),
static_cast<GLintptr>(dst_offset), static_cast<GLsizeiptr>(size));
}
OGLBufferCache::BufferInfo OGLBufferCache::ConstBufferUpload(const void* raw_pointer,
@ -89,7 +87,7 @@ OGLBufferCache::BufferInfo OGLBufferCache::ConstBufferUpload(const void* raw_poi
DEBUG_ASSERT(cbuf_cursor < std::size(cbufs));
const GLuint& cbuf = cbufs[cbuf_cursor++];
glNamedBufferSubData(cbuf, 0, static_cast<GLsizeiptr>(size), raw_pointer);
return {&cbuf, 0};
return {cbuf, 0};
}
} // namespace OpenGL

12
src/video_core/renderer_opengl/gl_buffer_cache.h
View file

@ -34,12 +34,12 @@ public:
explicit CachedBufferBlock(VAddr cpu_addr, const std::size_t size);
~CachedBufferBlock();
const GLuint* GetHandle() const {
return &gl_buffer.handle;
GLuint GetHandle() const {
return gl_buffer.handle;
}
private:
OGLBuffer gl_buffer{};
OGLBuffer gl_buffer;
};
class OGLBufferCache final : public GenericBufferCache {
@ -48,7 +48,7 @@ public:
const Device& device, std::size_t stream_size);
~OGLBufferCache();
const GLuint* GetEmptyBuffer(std::size_t) override;
GLuint GetEmptyBuffer(std::size_t) override;
void Acquire() noexcept {
cbuf_cursor = 0;
@ -57,9 +57,9 @@ public:
protected:
Buffer CreateBlock(VAddr cpu_addr, std::size_t size) override;
void WriteBarrier() override;
GLuint ToHandle(const Buffer& buffer) override;
const GLuint* ToHandle(const Buffer& buffer) override;
void WriteBarrier() override;
void UploadBlockData(const Buffer& buffer, std::size_t offset, std::size_t size,
const u8* data) override;

39
src/video_core/renderer_opengl/gl_rasterizer.cpp
View file

@ -188,10 +188,8 @@ void RasterizerOpenGL::SetupVertexBuffer() {
ASSERT(end > start);
const u64 size = end - start + 1;
const auto [vertex_buffer, vertex_buffer_offset] = buffer_cache.UploadMemory(start, size);
// Bind the vertex array to the buffer at the current offset.
vertex_array_pushbuffer.SetVertexBuffer(static_cast<GLuint>(index), vertex_buffer,
vertex_buffer_offset, vertex_array.stride);
glBindVertexBuffer(static_cast<GLuint>(index), vertex_buffer, vertex_buffer_offset,
vertex_array.stride);
}
}
@ -222,7 +220,7 @@ GLintptr RasterizerOpenGL::SetupIndexBuffer() {
const auto& regs = system.GPU().Maxwell3D().regs;
const std::size_t size = CalculateIndexBufferSize();
const auto [buffer, offset] = buffer_cache.UploadMemory(regs.index_array.IndexStart(), size);
vertex_array_pushbuffer.SetIndexBuffer(buffer);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffer);
return offset;
}
@ -524,7 +522,6 @@ void RasterizerOpenGL::Draw(bool is_indexed, bool is_instanced) {
// Prepare vertex array format.
SetupVertexFormat();
vertex_array_pushbuffer.Setup();
// Upload vertex and index data.
SetupVertexBuffer();
@ -534,17 +531,13 @@ void RasterizerOpenGL::Draw(bool is_indexed, bool is_instanced) {
index_buffer_offset = SetupIndexBuffer();
}
// Prepare packed bindings.
bind_ubo_pushbuffer.Setup();
bind_ssbo_pushbuffer.Setup();
// Setup emulation uniform buffer.
GLShader::MaxwellUniformData ubo;
ubo.SetFromRegs(gpu);
const auto [buffer, offset] =
buffer_cache.UploadHostMemory(&ubo, sizeof(ubo), device.GetUniformBufferAlignment());
bind_ubo_pushbuffer.Push(EmulationUniformBlockBinding, buffer, offset,
static_cast<GLsizeiptr>(sizeof(ubo)));
glBindBufferRange(GL_UNIFORM_BUFFER, EmulationUniformBlockBinding, buffer, offset,
static_cast<GLsizeiptr>(sizeof(ubo)));
// Setup shaders and their used resources.
texture_cache.GuardSamplers(true);
@ -557,11 +550,6 @@ void RasterizerOpenGL::Draw(bool is_indexed, bool is_instanced) {
// Signal the buffer cache that we are not going to upload more things.
buffer_cache.Unmap();
// Now that we are no longer uploading data, we can safely bind the buffers to OpenGL.
vertex_array_pushbuffer.Bind();
bind_ubo_pushbuffer.Bind();
bind_ssbo_pushbuffer.Bind();
program_manager.BindGraphicsPipeline();
if (texture_cache.TextureBarrier()) {
@ -630,17 +618,11 @@ void RasterizerOpenGL::DispatchCompute(GPUVAddr code_addr) {
(Maxwell::MaxConstBufferSize + device.GetUniformBufferAlignment());
buffer_cache.Map(buffer_size);
bind_ubo_pushbuffer.Setup();
bind_ssbo_pushbuffer.Setup();
SetupComputeConstBuffers(kernel);
SetupComputeGlobalMemory(kernel);
buffer_cache.Unmap();
bind_ubo_pushbuffer.Bind();
bind_ssbo_pushbuffer.Bind();
const auto& launch_desc = system.GPU().KeplerCompute().launch_description;
glDispatchCompute(launch_desc.grid_dim_x, launch_desc.grid_dim_y, launch_desc.grid_dim_z);
++num_queued_commands;
@ -771,8 +753,8 @@ void RasterizerOpenGL::SetupConstBuffer(u32 binding, const Tegra::Engines::Const
const ConstBufferEntry& entry) {
if (!buffer.enabled) {
// Set values to zero to unbind buffers
bind_ubo_pushbuffer.Push(binding, buffer_cache.GetEmptyBuffer(sizeof(float)), 0,
sizeof(float));
glBindBufferRange(GL_UNIFORM_BUFFER, binding, buffer_cache.GetEmptyBuffer(sizeof(float)), 0,
sizeof(float));
return;
}
@ -783,7 +765,7 @@ void RasterizerOpenGL::SetupConstBuffer(u32 binding, const Tegra::Engines::Const
const auto alignment = device.GetUniformBufferAlignment();
const auto [cbuf, offset] = buffer_cache.UploadMemory(buffer.address, size, alignment, false,
device.HasFastBufferSubData());
bind_ubo_pushbuffer.Push(binding, cbuf, offset, size);
glBindBufferRange(GL_UNIFORM_BUFFER, binding, cbuf, offset, size);
}
void RasterizerOpenGL::SetupDrawGlobalMemory(std::size_t stage_index, const Shader& shader) {
@ -819,7 +801,8 @@ void RasterizerOpenGL::SetupGlobalMemory(u32 binding, const GlobalMemoryEntry& e
const auto alignment{device.GetShaderStorageBufferAlignment()};
const auto [ssbo, buffer_offset] =
buffer_cache.UploadMemory(gpu_addr, size, alignment, entry.IsWritten());
bind_ssbo_pushbuffer.Push(binding, ssbo, buffer_offset, static_cast<GLsizeiptr>(size));
glBindBufferRange(GL_SHADER_STORAGE_BUFFER, binding, ssbo, buffer_offset,
static_cast<GLsizeiptr>(size));
}
void RasterizerOpenGL::SetupDrawTextures(std::size_t stage_index, const Shader& shader) {
@ -1432,7 +1415,7 @@ void RasterizerOpenGL::EndTransformFeedback() {
const GPUVAddr gpu_addr = binding.Address();
const std::size_t size = binding.buffer_size;
const auto [dest_buffer, offset] = buffer_cache.UploadMemory(gpu_addr, size, 4, true);
glCopyNamedBufferSubData(handle, *dest_buffer, 0, offset, static_cast<GLsizeiptr>(size));
glCopyNamedBufferSubData(handle, dest_buffer, 0, offset, static_cast<GLsizeiptr>(size));
}
}

4
src/video_core/renderer_opengl/gl_rasterizer.h
View file

@ -231,9 +231,7 @@ private:
static constexpr std::size_t STREAM_BUFFER_SIZE = 128 * 1024 * 1024;
OGLBufferCache buffer_cache;
VertexArrayPushBuffer vertex_array_pushbuffer{state_tracker};
BindBuffersRangePushBuffer bind_ubo_pushbuffer{GL_UNIFORM_BUFFER};
BindBuffersRangePushBuffer bind_ssbo_pushbuffer{GL_SHADER_STORAGE_BUFFER};
GLint vertex_binding = 0;
std::array<OGLBuffer, Tegra::Engines::Maxwell3D::Regs::NumTransformFeedbackBuffers>
transform_feedback_buffers;

62
src/video_core/renderer_opengl/utils.cpp
View file

@ -14,68 +14,6 @@
namespace OpenGL {
struct VertexArrayPushBuffer::Entry {
GLuint binding_index{};
const GLuint* buffer{};
GLintptr offset{};
GLsizei stride{};
};
VertexArrayPushBuffer::VertexArrayPushBuffer(StateTracker& state_tracker)
: state_tracker{state_tracker} {}
VertexArrayPushBuffer::~VertexArrayPushBuffer() = default;
void VertexArrayPushBuffer::Setup() {
index_buffer = nullptr;
vertex_buffers.clear();
}
void VertexArrayPushBuffer::SetIndexBuffer(const GLuint* buffer) {
index_buffer = buffer;
}
void VertexArrayPushBuffer::SetVertexBuffer(GLuint binding_index, const GLuint* buffer,
GLintptr offset, GLsizei stride) {
vertex_buffers.push_back(Entry{binding_index, buffer, offset, stride});
}
void VertexArrayPushBuffer::Bind() {
if (index_buffer) {
state_tracker.BindIndexBuffer(*index_buffer);
}
for (const auto& entry : vertex_buffers) {
glBindVertexBuffer(entry.binding_index, *entry.buffer, entry.offset, entry.stride);
}
}
struct BindBuffersRangePushBuffer::Entry {
GLuint binding;
const GLuint* buffer;
GLintptr offset;
GLsizeiptr size;
};
BindBuffersRangePushBuffer::BindBuffersRangePushBuffer(GLenum target) : target{target} {}
BindBuffersRangePushBuffer::~BindBuffersRangePushBuffer() = default;
void BindBuffersRangePushBuffer::Setup() {
entries.clear();
}
void BindBuffersRangePushBuffer::Push(GLuint binding, const GLuint* buffer, GLintptr offset,
GLsizeiptr size) {
entries.push_back(Entry{binding, buffer, offset, size});
}
void BindBuffersRangePushBuffer::Bind() {
for (const Entry& entry : entries) {
glBindBufferRange(target, entry.binding, *entry.buffer, entry.offset, entry.size);
}
}
void LabelGLObject(GLenum identifier, GLuint handle, VAddr addr, std::string_view extra_info) {
if (!GLAD_GL_KHR_debug) {
// We don't need to throw an error as this is just for debugging

43
src/video_core/renderer_opengl/utils.h
View file

@ -11,49 +11,6 @@
namespace OpenGL {
class StateTracker;
class VertexArrayPushBuffer final {
public:
explicit VertexArrayPushBuffer(StateTracker& state_tracker);
~VertexArrayPushBuffer();
void Setup();
void SetIndexBuffer(const GLuint* buffer);
void SetVertexBuffer(GLuint binding_index, const GLuint* buffer, GLintptr offset,
GLsizei stride);
void Bind();
private:
struct Entry;
StateTracker& state_tracker;
const GLuint* index_buffer{};
std::vector<Entry> vertex_buffers;
};
class BindBuffersRangePushBuffer final {
public:
explicit BindBuffersRangePushBuffer(GLenum target);
~BindBuffersRangePushBuffer();
void Setup();
void Push(GLuint binding, const GLuint* buffer, GLintptr offset, GLsizeiptr size);
void Bind();
private:
struct Entry;
GLenum target;
std::vector<Entry> entries;
};
void LabelGLObject(GLenum identifier, GLuint handle, VAddr addr, std::string_view extra_info = {});
} // namespace OpenGL