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gl_buffer_cache: Mark buffers as resident

Browse source 
Make stream buffer and cached buffers as resident and query their
address. This allows us to use GPU addresses for several proprietary
Nvidia extensions.
This commit is contained in:
ReinUsesLisp 2020-05-11 16:35:04 -03:00
parent 73fb3a304b
commit 32485917ba
10 changed files with 111 additions and 67 deletions
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21
src/video_core/buffer_cache/buffer_cache.h
View file

@ -41,7 +41,11 @@ class BufferCache {
static constexpr u64 BLOCK_PAGE_SIZE = 1ULL << BLOCK_PAGE_BITS;
public:
using BufferInfo = std::pair<BufferType, u64>;
struct BufferInfo {
BufferType handle;
u64 offset;
u64 address;
};
BufferInfo UploadMemory(GPUVAddr gpu_addr, std::size_t size, std::size_t alignment = 4,
bool is_written = false, bool use_fast_cbuf = false) {
@ -50,7 +54,7 @@ public:
auto& memory_manager = system.GPU().MemoryManager();
const std::optional<VAddr> cpu_addr_opt = memory_manager.GpuToCpuAddress(gpu_addr);
if (!cpu_addr_opt) {
return {GetEmptyBuffer(size), 0};
return GetEmptyBuffer(size);
}
const VAddr cpu_addr = *cpu_addr_opt;
@ -88,7 +92,7 @@ public:
Buffer* const block = GetBlock(cpu_addr, size);
MapInterval* const map = MapAddress(block, gpu_addr, cpu_addr, size);
if (!map) {
return {GetEmptyBuffer(size), 0};
return GetEmptyBuffer(size);
}
if (is_written) {
map->MarkAsModified(true, GetModifiedTicks());
@ -101,7 +105,7 @@ public:
}
}
return {block->Handle(), static_cast<u64>(block->Offset(cpu_addr))};
return BufferInfo{block->Handle(), block->Offset(cpu_addr), block->Address()};
}
/// Uploads from a host memory. Returns the OpenGL buffer where it's located and its offset.
@ -254,13 +258,12 @@ public:
committed_flushes.pop_front();
}
virtual BufferType GetEmptyBuffer(std::size_t size) = 0;
virtual BufferInfo GetEmptyBuffer(std::size_t size) = 0;
protected:
explicit BufferCache(VideoCore::RasterizerInterface& rasterizer, Core::System& system,
std::unique_ptr<StreamBuffer> stream_buffer_)
: rasterizer{rasterizer}, system{system}, stream_buffer{std::move(stream_buffer_)},
stream_buffer_handle{stream_buffer->Handle()} {}
std::unique_ptr<StreamBuffer> stream_buffer)
: rasterizer{rasterizer}, system{system}, stream_buffer{std::move(stream_buffer)} {}
~BufferCache() = default;
@ -449,7 +452,7 @@ private:
buffer_ptr += size;
buffer_offset += size;
return {stream_buffer_handle, uploaded_offset};
return BufferInfo{stream_buffer->Handle(), uploaded_offset, stream_buffer->Address()};
}
void AlignBuffer(std::size_t alignment) {

24
src/video_core/renderer_opengl/gl_buffer_cache.cpp
View file

@ -22,21 +22,28 @@ using Maxwell = Tegra::Engines::Maxwell3D::Regs;
MICROPROFILE_DEFINE(OpenGL_Buffer_Download, "OpenGL", "Buffer Download", MP_RGB(192, 192, 128));
Buffer::Buffer(VAddr cpu_addr, const std::size_t size) : VideoCommon::BufferBlock{cpu_addr, size} {
Buffer::Buffer(const Device& device, VAddr cpu_addr, std::size_t size)
: VideoCommon::BufferBlock{cpu_addr, size} {
gl_buffer.Create();
glNamedBufferData(gl_buffer.handle, static_cast<GLsizeiptr>(size), nullptr, GL_DYNAMIC_DRAW);
if (device.HasVertexBufferUnifiedMemory()) {
glMakeNamedBufferResidentNV(gl_buffer.handle, GL_READ_WRITE);
glGetNamedBufferParameterui64vNV(gl_buffer.handle, GL_BUFFER_GPU_ADDRESS_NV, &gpu_address);
}
}
Buffer::~Buffer() = default;
OGLBufferCache::OGLBufferCache(RasterizerOpenGL& rasterizer, Core::System& system,
const Device& device, std::size_t stream_size)
: GenericBufferCache{rasterizer, system, std::make_unique<OGLStreamBuffer>(stream_size, true)} {
const Device& device_, std::size_t stream_size)
: GenericBufferCache{rasterizer, system,
std::make_unique<OGLStreamBuffer>(device_, stream_size, true)},
device{device_} {
if (!device.HasFastBufferSubData()) {
return;
}
static constexpr auto size = static_cast<GLsizeiptr>(Maxwell::MaxConstBufferSize);
static constexpr GLsizeiptr size = static_cast<GLsizeiptr>(Maxwell::MaxConstBufferSize);
glCreateBuffers(static_cast<GLsizei>(std::size(cbufs)), std::data(cbufs));
for (const GLuint cbuf : cbufs) {
glNamedBufferData(cbuf, size, nullptr, GL_STREAM_DRAW);
@ -48,11 +55,11 @@ OGLBufferCache::~OGLBufferCache() {
}
std::shared_ptr<Buffer> OGLBufferCache::CreateBlock(VAddr cpu_addr, std::size_t size) {
return std::make_shared<Buffer>(cpu_addr, size);
return std::make_shared<Buffer>(device, cpu_addr, size);
}
GLuint OGLBufferCache::GetEmptyBuffer(std::size_t) {
return 0;
OGLBufferCache::BufferInfo OGLBufferCache::GetEmptyBuffer(std::size_t) {
return {0, 0, 0};
}
void OGLBufferCache::UploadBlockData(const Buffer& buffer, std::size_t offset, std::size_t size,
@ -79,8 +86,9 @@ OGLBufferCache::BufferInfo OGLBufferCache::ConstBufferUpload(const void* raw_poi
std::size_t size) {
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, 0};
}
} // namespace OpenGL

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

@ -25,15 +25,20 @@ class RasterizerOpenGL;
class Buffer : public VideoCommon::BufferBlock {
public:
explicit Buffer(VAddr cpu_addr, const std::size_t size);
explicit Buffer(const Device& device, VAddr cpu_addr, std::size_t size);
~Buffer();
GLuint Handle() const {
GLuint Handle() const noexcept {
return gl_buffer.handle;
}
u64 Address() const noexcept {
return gpu_address;
}
private:
OGLBuffer gl_buffer;
u64 gpu_address = 0;
};
using GenericBufferCache = VideoCommon::BufferCache<Buffer, GLuint, OGLStreamBuffer>;
@ -43,7 +48,7 @@ public:
const Device& device, std::size_t stream_size);
~OGLBufferCache();
GLuint GetEmptyBuffer(std::size_t) override;
BufferInfo GetEmptyBuffer(std::size_t) override;
void Acquire() noexcept {
cbuf_cursor = 0;
@ -64,10 +69,13 @@ protected:
BufferInfo ConstBufferUpload(const void* raw_pointer, std::size_t size) override;
private:
static constexpr std::size_t NUM_CBUFS = Tegra::Engines::Maxwell3D::Regs::MaxConstBuffers *
Tegra::Engines::Maxwell3D::Regs::MaxShaderProgram;
const Device& device;
std::size_t cbuf_cursor = 0;
std::array<GLuint, Tegra::Engines::Maxwell3D::Regs::MaxConstBuffers *
Tegra::Engines::Maxwell3D::Regs::MaxShaderProgram>
cbufs;
std::array<GLuint, NUM_CBUFS> cbufs{};
};
} // namespace OpenGL

44
src/video_core/renderer_opengl/gl_rasterizer.cpp
View file

@ -253,8 +253,8 @@ void RasterizerOpenGL::SetupVertexBuffer() {
glBindVertexBuffer(static_cast<GLuint>(index), 0, 0, vertex_array.stride);
continue;
}
const auto [vertex_buffer, vertex_buffer_offset] = buffer_cache.UploadMemory(start, size);
glBindVertexBuffer(static_cast<GLuint>(index), vertex_buffer, vertex_buffer_offset,
const auto info = buffer_cache.UploadMemory(start, size);
glBindVertexBuffer(static_cast<GLuint>(index), info.handle, info.offset,
vertex_array.stride);
}
}
@ -285,9 +285,9 @@ GLintptr RasterizerOpenGL::SetupIndexBuffer() {
MICROPROFILE_SCOPE(OpenGL_Index);
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);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffer);
return offset;
const auto info = buffer_cache.UploadMemory(regs.index_array.IndexStart(), size);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, info.handle);
return info.offset;
}
void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) {
@ -643,9 +643,9 @@ void RasterizerOpenGL::Draw(bool is_indexed, bool is_instanced) {
if (!device.UseAssemblyShaders()) {
MaxwellUniformData ubo;
ubo.SetFromRegs(gpu);
const auto [buffer, offset] =
const auto info =
buffer_cache.UploadHostMemory(&ubo, sizeof(ubo), device.GetUniformBufferAlignment());
glBindBufferRange(GL_UNIFORM_BUFFER, EmulationUniformBlockBinding, buffer, offset,
glBindBufferRange(GL_UNIFORM_BUFFER, EmulationUniformBlockBinding, info.handle, info.offset,
static_cast<GLsizeiptr>(sizeof(ubo)));
}
@ -956,8 +956,7 @@ void RasterizerOpenGL::SetupConstBuffer(GLenum stage, u32 binding,
if (device.UseAssemblyShaders()) {
glBindBufferRangeNV(stage, entry.GetIndex(), 0, 0, 0);
} else {
glBindBufferRange(GL_UNIFORM_BUFFER, binding,
buffer_cache.GetEmptyBuffer(sizeof(float)), 0, sizeof(float));
glBindBufferRange(GL_UNIFORM_BUFFER, binding, 0, 0, sizeof(float));
}
return;
}
@ -970,24 +969,25 @@ void RasterizerOpenGL::SetupConstBuffer(GLenum stage, u32 binding,
const std::size_t alignment = use_unified ? 4 : device.GetUniformBufferAlignment();
const GPUVAddr gpu_addr = buffer.address;
auto [cbuf, offset] = buffer_cache.UploadMemory(gpu_addr, size, alignment, false, fast_upload);
auto info = buffer_cache.UploadMemory(gpu_addr, size, alignment, false, fast_upload);
if (device.UseAssemblyShaders()) {
UNIMPLEMENTED_IF(use_unified);
if (offset != 0) {
if (info.offset != 0) {
const GLuint staging_cbuf = staging_cbufs[current_cbuf++];
glCopyNamedBufferSubData(cbuf, staging_cbuf, offset, 0, size);
cbuf = staging_cbuf;
offset = 0;
glCopyNamedBufferSubData(info.handle, staging_cbuf, info.offset, 0, size);
info.handle = staging_cbuf;
info.offset = 0;
}
glBindBufferRangeNV(stage, binding, cbuf, offset, size);
glBindBufferRangeNV(stage, binding, info.handle, info.offset, size);
return;
}
if (use_unified) {
glCopyNamedBufferSubData(cbuf, unified_uniform_buffer.handle, offset, unified_offset, size);
glCopyNamedBufferSubData(info.handle, unified_uniform_buffer.handle, info.offset,
unified_offset, size);
} else {
glBindBufferRange(GL_UNIFORM_BUFFER, binding, cbuf, offset, size);
glBindBufferRange(GL_UNIFORM_BUFFER, binding, info.handle, info.offset, size);
}
}
@ -1023,9 +1023,8 @@ void RasterizerOpenGL::SetupComputeGlobalMemory(Shader* kernel) {
void RasterizerOpenGL::SetupGlobalMemory(u32 binding, const GlobalMemoryEntry& entry,
GPUVAddr gpu_addr, std::size_t size) {
const auto alignment{device.GetShaderStorageBufferAlignment()};
const auto [ssbo, buffer_offset] =
buffer_cache.UploadMemory(gpu_addr, size, alignment, entry.is_written);
glBindBufferRange(GL_SHADER_STORAGE_BUFFER, binding, ssbo, buffer_offset,
const auto info = buffer_cache.UploadMemory(gpu_addr, size, alignment, entry.is_written);
glBindBufferRange(GL_SHADER_STORAGE_BUFFER, binding, info.handle, info.offset,
static_cast<GLsizeiptr>(size));
}
@ -1712,8 +1711,9 @@ void RasterizerOpenGL::EndTransformFeedback() {
const GLuint handle = transform_feedback_buffers[index].handle;
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));
const auto info = buffer_cache.UploadMemory(gpu_addr, size, 4, true);
glCopyNamedBufferSubData(handle, info.handle, 0, info.offset,
static_cast<GLsizeiptr>(size));
}
}

11
src/video_core/renderer_opengl/gl_stream_buffer.cpp
View file

@ -2,12 +2,13 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <deque>
#include <tuple>
#include <vector>
#include "common/alignment.h"
#include "common/assert.h"
#include "common/microprofile.h"
#include "video_core/renderer_opengl/gl_device.h"
#include "video_core/renderer_opengl/gl_stream_buffer.h"
MICROPROFILE_DEFINE(OpenGL_StreamBuffer, "OpenGL", "Stream Buffer Orphaning",
@ -15,7 +16,8 @@ MICROPROFILE_DEFINE(OpenGL_StreamBuffer, "OpenGL", "Stream Buffer Orphaning",
namespace OpenGL {
OGLStreamBuffer::OGLStreamBuffer(GLsizeiptr size, bool vertex_data_usage) : buffer_size(size) {
OGLStreamBuffer::OGLStreamBuffer(const Device& device, GLsizeiptr size, bool vertex_data_usage)
: buffer_size(size) {
gl_buffer.Create();
GLsizeiptr allocate_size = size;
@ -32,6 +34,11 @@ OGLStreamBuffer::OGLStreamBuffer(GLsizeiptr size, bool vertex_data_usage) : buff
glNamedBufferStorage(gl_buffer.handle, allocate_size, nullptr, flags);
mapped_ptr = static_cast<u8*>(
glMapNamedBufferRange(gl_buffer.handle, 0, buffer_size, flags | GL_MAP_FLUSH_EXPLICIT_BIT));
if (device.HasVertexBufferUnifiedMemory()) {
glMakeNamedBufferResidentNV(gl_buffer.handle, GL_READ_ONLY);
glGetNamedBufferParameterui64vNV(gl_buffer.handle, GL_BUFFER_GPU_ADDRESS_NV, &gpu_address);
}
}
OGLStreamBuffer::~OGLStreamBuffer() {

11
src/video_core/renderer_opengl/gl_stream_buffer.h
View file

@ -11,9 +11,11 @@
namespace OpenGL {
class Device;
class OGLStreamBuffer : private NonCopyable {
public:
explicit OGLStreamBuffer(GLsizeiptr size, bool vertex_data_usage);
explicit OGLStreamBuffer(const Device& device, GLsizeiptr size, bool vertex_data_usage);
~OGLStreamBuffer();
/*
@ -32,13 +34,18 @@ public:
return gl_buffer.handle;
}
GLsizeiptr Size() const {
u64 Address() const {
return gpu_address;
}
GLsizeiptr Size() const noexcept {
return buffer_size;
}
private:
OGLBuffer gl_buffer;
GLuint64EXT gpu_address = 0;
GLintptr buffer_pos = 0;
GLsizeiptr buffer_size = 0;
GLintptr mapped_offset = 0;

4
src/video_core/renderer_vulkan/vk_buffer_cache.cpp
View file

@ -71,14 +71,14 @@ std::shared_ptr<Buffer> VKBufferCache::CreateBlock(VAddr cpu_addr, std::size_t s
return std::make_shared<Buffer>(device, memory_manager, cpu_addr, size);
}
VkBuffer VKBufferCache::GetEmptyBuffer(std::size_t size) {
VKBufferCache::BufferInfo VKBufferCache::GetEmptyBuffer(std::size_t size) {
size = std::max(size, std::size_t(4));
const auto& empty = staging_pool.GetUnusedBuffer(size, false);
scheduler.RequestOutsideRenderPassOperationContext();
scheduler.Record([size, buffer = *empty.handle](vk::CommandBuffer cmdbuf) {
cmdbuf.FillBuffer(buffer, 0, size, 0);
});
return *empty.handle;
return {*empty.handle, 0, 0};
}
void VKBufferCache::UploadBlockData(const Buffer& buffer, std::size_t offset, std::size_t size,

6
src/video_core/renderer_vulkan/vk_buffer_cache.h
View file

@ -33,6 +33,10 @@ public:
return *buffer.handle;
}
u64 Address() const {
return 0;
}
private:
VKBuffer buffer;
};
@ -44,7 +48,7 @@ public:
VKScheduler& scheduler, VKStagingBufferPool& staging_pool);
~VKBufferCache();
VkBuffer GetEmptyBuffer(std::size_t size) override;
BufferInfo GetEmptyBuffer(std::size_t size) override;
protected:
std::shared_ptr<Buffer> CreateBlock(VAddr cpu_addr, std::size_t size) override;

31
src/video_core/renderer_vulkan/vk_rasterizer.cpp
View file

@ -870,10 +870,10 @@ void RasterizerVulkan::BeginTransformFeedback() {
UNIMPLEMENTED_IF(binding.buffer_offset != 0);
const GPUVAddr gpu_addr = binding.Address();
const auto size = static_cast<VkDeviceSize>(binding.buffer_size);
const auto [buffer, offset] = buffer_cache.UploadMemory(gpu_addr, size, 4, true);
const VkDeviceSize size = static_cast<VkDeviceSize>(binding.buffer_size);
const auto info = buffer_cache.UploadMemory(gpu_addr, size, 4, true);
scheduler.Record([buffer = buffer, offset = offset, size](vk::CommandBuffer cmdbuf) {
scheduler.Record([buffer = info.handle, offset = info.offset, size](vk::CommandBuffer cmdbuf) {
cmdbuf.BindTransformFeedbackBuffersEXT(0, 1, &buffer, &offset, &size);
cmdbuf.BeginTransformFeedbackEXT(0, 0, nullptr, nullptr);
});
@ -925,8 +925,8 @@ void RasterizerVulkan::SetupVertexArrays(FixedPipelineState::VertexInput& vertex
buffer_bindings.AddVertexBinding(DefaultBuffer(), 0);
continue;
}
const auto [buffer, offset] = buffer_cache.UploadMemory(start, size);
buffer_bindings.AddVertexBinding(buffer, offset);
const auto info = buffer_cache.UploadMemory(start, size);
buffer_bindings.AddVertexBinding(info.handle, info.offset);
}
}
@ -948,7 +948,9 @@ void RasterizerVulkan::SetupIndexBuffer(BufferBindings& buffer_bindings, DrawPar
break;
}
const GPUVAddr gpu_addr = regs.index_array.IndexStart();
auto [buffer, offset] = buffer_cache.UploadMemory(gpu_addr, CalculateIndexBufferSize());
const auto info = buffer_cache.UploadMemory(gpu_addr, CalculateIndexBufferSize());
VkBuffer buffer = info.handle;
u64 offset = info.offset;
std::tie(buffer, offset) = quad_indexed_pass.Assemble(
regs.index_array.format, params.num_vertices, params.base_vertex, buffer, offset);
@ -962,7 +964,9 @@ void RasterizerVulkan::SetupIndexBuffer(BufferBindings& buffer_bindings, DrawPar
break;
}
const GPUVAddr gpu_addr = regs.index_array.IndexStart();
auto [buffer, offset] = buffer_cache.UploadMemory(gpu_addr, CalculateIndexBufferSize());
const auto info = buffer_cache.UploadMemory(gpu_addr, CalculateIndexBufferSize());
VkBuffer buffer = info.handle;
u64 offset = info.offset;
auto format = regs.index_array.format;
const bool is_uint8 = format == Maxwell::IndexFormat::UnsignedByte;
@ -1109,10 +1113,9 @@ void RasterizerVulkan::SetupConstBuffer(const ConstBufferEntry& entry,
Common::AlignUp(CalculateConstBufferSize(entry, buffer), 4 * sizeof(float));
ASSERT(size <= MaxConstbufferSize);
const auto [buffer_handle, offset] =
const auto info =
buffer_cache.UploadMemory(buffer.address, size, device.GetUniformBufferAlignment());
update_descriptor_queue.AddBuffer(buffer_handle, offset, size);
update_descriptor_queue.AddBuffer(info.handle, info.offset, size);
}
void RasterizerVulkan::SetupGlobalBuffer(const GlobalBufferEntry& entry, GPUVAddr address) {
@ -1126,14 +1129,14 @@ void RasterizerVulkan::SetupGlobalBuffer(const GlobalBufferEntry& entry, GPUVAdd
// Note: Do *not* use DefaultBuffer() here, storage buffers can be written breaking the
// default buffer.
static constexpr std::size_t dummy_size = 4;
const auto buffer = buffer_cache.GetEmptyBuffer(dummy_size);
update_descriptor_queue.AddBuffer(buffer, 0, dummy_size);
const auto info = buffer_cache.GetEmptyBuffer(dummy_size);
update_descriptor_queue.AddBuffer(info.handle, info.offset, dummy_size);
return;
}
const auto [buffer, offset] = buffer_cache.UploadMemory(
const auto info = buffer_cache.UploadMemory(
actual_addr, size, device.GetStorageBufferAlignment(), entry.IsWritten());
update_descriptor_queue.AddBuffer(buffer, offset, size);
update_descriptor_queue.AddBuffer(info.handle, info.offset, size);
}
void RasterizerVulkan::SetupUniformTexels(const Tegra::Texture::TICEntry& tic,

6
src/video_core/renderer_vulkan/vk_stream_buffer.h
View file

@ -35,10 +35,14 @@ public:
/// Ensures that "size" bytes of memory are available to the GPU, potentially recording a copy.
void Unmap(u64 size);
VkBuffer Handle() const {
VkBuffer Handle() const noexcept {
return *buffer;
}
u64 Address() const noexcept {
return 0;
}
private:
struct Watch final {
VKFenceWatch fence;