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gl_buffer_cache: Mark buffers as resident

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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;