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gl_rasterizer: Use ARB_multi_bind to update UBOs across stages
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parent
66be5150d6
commit
2d1f054c61
4 changed files with 58 additions and 22 deletions
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@ -299,6 +299,9 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) {
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BaseBindings base_bindings;
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BaseBindings base_bindings;
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std::array<bool, Maxwell::NumClipDistances> clip_distances{};
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std::array<bool, Maxwell::NumClipDistances> clip_distances{};
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// Prepare UBO bindings
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bind_ubo_pushbuffer.Setup(base_bindings.cbuf);
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for (std::size_t index = 0; index < Maxwell::MaxShaderProgram; ++index) {
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for (std::size_t index = 0; index < Maxwell::MaxShaderProgram; ++index) {
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const auto& shader_config = gpu.regs.shader_config[index];
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const auto& shader_config = gpu.regs.shader_config[index];
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const Maxwell::ShaderProgram program{static_cast<Maxwell::ShaderProgram>(index)};
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const Maxwell::ShaderProgram program{static_cast<Maxwell::ShaderProgram>(index)};
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@ -321,8 +324,8 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) {
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&ubo, sizeof(ubo), static_cast<std::size_t>(uniform_buffer_alignment));
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&ubo, sizeof(ubo), static_cast<std::size_t>(uniform_buffer_alignment));
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// Bind the emulation info buffer
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// Bind the emulation info buffer
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glBindBufferRange(GL_UNIFORM_BUFFER, base_bindings.cbuf, buffer_cache.GetHandle(), offset,
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bind_ubo_pushbuffer.Push(buffer_cache.GetHandle(), offset,
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static_cast<GLsizeiptr>(sizeof(ubo)));
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static_cast<GLsizeiptr>(sizeof(ubo)));
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Shader shader{shader_cache.GetStageProgram(program)};
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Shader shader{shader_cache.GetStageProgram(program)};
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const auto [program_handle, next_bindings] =
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const auto [program_handle, next_bindings] =
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@ -366,6 +369,8 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) {
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base_bindings = next_bindings;
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base_bindings = next_bindings;
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}
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}
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bind_ubo_pushbuffer.Bind();
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SyncClipEnabled(clip_distances);
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SyncClipEnabled(clip_distances);
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gpu.dirty_flags.shaders = false;
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gpu.dirty_flags.shaders = false;
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@ -900,23 +905,14 @@ void RasterizerOpenGL::SetupConstBuffers(Tegra::Engines::Maxwell3D::Regs::Shader
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const auto& shader_stage = maxwell3d.state.shader_stages[static_cast<std::size_t>(stage)];
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const auto& shader_stage = maxwell3d.state.shader_stages[static_cast<std::size_t>(stage)];
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const auto& entries = shader->GetShaderEntries().const_buffers;
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const auto& entries = shader->GetShaderEntries().const_buffers;
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constexpr u64 max_binds = Tegra::Engines::Maxwell3D::Regs::MaxConstBuffers;
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std::array<GLuint, max_binds> bind_buffers;
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std::array<GLintptr, max_binds> bind_offsets;
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std::array<GLsizeiptr, max_binds> bind_sizes;
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ASSERT_MSG(entries.size() <= max_binds, "Exceeded expected number of binding points.");
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// Upload only the enabled buffers from the 16 constbuffers of each shader stage
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// Upload only the enabled buffers from the 16 constbuffers of each shader stage
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for (u32 bindpoint = 0; bindpoint < entries.size(); ++bindpoint) {
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for (u32 bindpoint = 0; bindpoint < entries.size(); ++bindpoint) {
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const auto& used_buffer = entries[bindpoint];
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const auto& used_buffer = entries[bindpoint];
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const auto& buffer = shader_stage.const_buffers[used_buffer.GetIndex()];
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const auto& buffer = shader_stage.const_buffers[used_buffer.GetIndex()];
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if (!buffer.enabled) {
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if (!buffer.enabled) {
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// With disabled buffers set values as zero to unbind them
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// Set values to zero to unbind buffers
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bind_buffers[bindpoint] = 0;
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bind_ubo_pushbuffer.Push(0, 0, 0);
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bind_offsets[bindpoint] = 0;
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bind_sizes[bindpoint] = 0;
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continue;
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continue;
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}
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}
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@ -944,16 +940,8 @@ void RasterizerOpenGL::SetupConstBuffers(Tegra::Engines::Maxwell3D::Regs::Shader
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const GLintptr const_buffer_offset = buffer_cache.UploadMemory(
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const GLintptr const_buffer_offset = buffer_cache.UploadMemory(
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buffer.address, size, static_cast<std::size_t>(uniform_buffer_alignment));
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buffer.address, size, static_cast<std::size_t>(uniform_buffer_alignment));
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// Prepare values for multibind
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bind_ubo_pushbuffer.Push(buffer_cache.GetHandle(), const_buffer_offset, size);
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bind_buffers[bindpoint] = buffer_cache.GetHandle();
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bind_offsets[bindpoint] = const_buffer_offset;
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bind_sizes[bindpoint] = size;
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}
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}
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// The first binding is reserved for emulation values
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const GLuint ubo_base_binding = base_bindings.cbuf + 1;
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glBindBuffersRange(GL_UNIFORM_BUFFER, ubo_base_binding, static_cast<GLsizei>(entries.size()),
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bind_buffers.data(), bind_offsets.data(), bind_sizes.data());
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}
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}
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void RasterizerOpenGL::SetupGlobalRegions(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage,
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void RasterizerOpenGL::SetupGlobalRegions(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage,
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@ -28,6 +28,7 @@
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#include "video_core/renderer_opengl/gl_shader_cache.h"
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#include "video_core/renderer_opengl/gl_shader_cache.h"
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#include "video_core/renderer_opengl/gl_shader_manager.h"
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#include "video_core/renderer_opengl/gl_shader_manager.h"
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#include "video_core/renderer_opengl/gl_state.h"
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#include "video_core/renderer_opengl/gl_state.h"
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#include "video_core/renderer_opengl/utils.h"
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namespace Core {
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namespace Core {
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class System;
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class System;
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@ -229,6 +230,8 @@ private:
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PrimitiveAssembler primitive_assembler{buffer_cache};
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PrimitiveAssembler primitive_assembler{buffer_cache};
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GLint uniform_buffer_alignment;
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GLint uniform_buffer_alignment;
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BindBuffersRangePushBuffer bind_ubo_pushbuffer{GL_UNIFORM_BUFFER};
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std::size_t CalculateVertexArraysSize() const;
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std::size_t CalculateVertexArraysSize() const;
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std::size_t CalculateIndexBufferSize() const;
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std::size_t CalculateIndexBufferSize() const;
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@ -5,11 +5,36 @@
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#include <string>
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#include <string>
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#include <fmt/format.h>
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#include <fmt/format.h>
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#include <glad/glad.h>
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#include <glad/glad.h>
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#include "common/assert.h"
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#include "common/common_types.h"
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#include "common/common_types.h"
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#include "video_core/renderer_opengl/utils.h"
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#include "video_core/renderer_opengl/utils.h"
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namespace OpenGL {
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namespace OpenGL {
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BindBuffersRangePushBuffer::BindBuffersRangePushBuffer(GLenum target) : target{target} {}
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BindBuffersRangePushBuffer::~BindBuffersRangePushBuffer() = default;
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void BindBuffersRangePushBuffer::Setup(GLuint first_) {
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first = first_;
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buffers.clear();
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offsets.clear();
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sizes.clear();
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}
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void BindBuffersRangePushBuffer::Push(GLuint buffer, GLintptr offset, GLsizeiptr size) {
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buffers.push_back(buffer);
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offsets.push_back(offset);
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sizes.push_back(size);
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}
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void BindBuffersRangePushBuffer::Bind() const {
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const std::size_t count{buffers.size()};
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DEBUG_ASSERT(count == offsets.size() && count == sizes.size());
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glBindBuffersRange(target, first, static_cast<GLsizei>(count), buffers.data(), offsets.data(),
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sizes.data());
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}
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void LabelGLObject(GLenum identifier, GLuint handle, VAddr addr, std::string extra_info) {
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void LabelGLObject(GLenum identifier, GLuint handle, VAddr addr, std::string extra_info) {
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if (!GLAD_GL_KHR_debug) {
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if (!GLAD_GL_KHR_debug) {
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return; // We don't need to throw an error as this is just for debugging
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return; // We don't need to throw an error as this is just for debugging
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@ -5,11 +5,31 @@
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#pragma once
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#pragma once
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#include <string>
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#include <string>
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#include <vector>
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#include <glad/glad.h>
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#include <glad/glad.h>
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#include "common/common_types.h"
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#include "common/common_types.h"
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namespace OpenGL {
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namespace OpenGL {
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class BindBuffersRangePushBuffer {
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public:
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BindBuffersRangePushBuffer(GLenum target);
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~BindBuffersRangePushBuffer();
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void Setup(GLuint first_);
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void Push(GLuint buffer, GLintptr offset, GLsizeiptr size);
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void Bind() const;
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private:
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GLenum target;
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GLuint first;
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std::vector<GLuint> buffers;
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std::vector<GLintptr> offsets;
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std::vector<GLsizeiptr> sizes;
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};
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void LabelGLObject(GLenum identifier, GLuint handle, VAddr addr, std::string extra_info = "");
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void LabelGLObject(GLenum identifier, GLuint handle, VAddr addr, std::string extra_info = "");
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} // namespace OpenGL
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} // namespace OpenGL
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