diff options
4 files changed, 39 insertions, 29 deletions
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp index 55324e6d5..4e4138573 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.cpp +++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp @@ -565,7 +565,7 @@ void RasterizerOpenGL::Draw(bool is_indexed, bool is_instanced) { bind_ubo_pushbuffer.Bind(); bind_ssbo_pushbuffer.Bind(); - program_manager.Update(); + program_manager.BindGraphicsPipeline(); if (texture_cache.TextureBarrier()) { glTextureBarrier(); @@ -627,8 +627,7 @@ void RasterizerOpenGL::DispatchCompute(GPUVAddr code_addr) { const ProgramVariant variant(launch_desc.block_dim_x, launch_desc.block_dim_y, launch_desc.block_dim_z, launch_desc.shared_alloc, launch_desc.local_pos_alloc); - glUseProgramStages(program_manager.GetHandle(), GL_COMPUTE_SHADER_BIT, - kernel->GetHandle(variant)); + program_manager.BindComputeShader(kernel->GetHandle(variant)); const std::size_t buffer_size = Tegra::Engines::KeplerCompute::NumConstBuffers * diff --git a/src/video_core/renderer_opengl/gl_shader_manager.cpp b/src/video_core/renderer_opengl/gl_shader_manager.cpp index 15f3cd066..9c7b0adbd 100644 --- a/src/video_core/renderer_opengl/gl_shader_manager.cpp +++ b/src/video_core/renderer_opengl/gl_shader_manager.cpp @@ -2,21 +2,29 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include <glad/glad.h> + #include "common/common_types.h" #include "video_core/engines/maxwell_3d.h" #include "video_core/renderer_opengl/gl_shader_manager.h" namespace OpenGL::GLShader { -using Tegra::Engines::Maxwell3D; +ProgramManager::ProgramManager() = default; ProgramManager::~ProgramManager() = default; void ProgramManager::Create() { - pipeline.Create(); + graphics_pipeline.Create(); + glBindProgramPipeline(graphics_pipeline.handle); } -void ProgramManager::Update() { +void ProgramManager::BindGraphicsPipeline() { + if (!is_graphics_bound) { + is_graphics_bound = true; + glUseProgram(0); + } + // Avoid updating the pipeline when values have no changed if (old_state == current_state) { return; @@ -25,16 +33,21 @@ void ProgramManager::Update() { // Workaround for AMD bug static constexpr GLenum all_used_stages{GL_VERTEX_SHADER_BIT | GL_GEOMETRY_SHADER_BIT | GL_FRAGMENT_SHADER_BIT}; - glUseProgramStages(pipeline.handle, all_used_stages, 0); - - glUseProgramStages(pipeline.handle, GL_VERTEX_SHADER_BIT, current_state.vertex_shader); - glUseProgramStages(pipeline.handle, GL_GEOMETRY_SHADER_BIT, current_state.geometry_shader); - glUseProgramStages(pipeline.handle, GL_FRAGMENT_SHADER_BIT, current_state.fragment_shader); + const GLuint handle = graphics_pipeline.handle; + glUseProgramStages(handle, all_used_stages, 0); + glUseProgramStages(handle, GL_VERTEX_SHADER_BIT, current_state.vertex_shader); + glUseProgramStages(handle, GL_GEOMETRY_SHADER_BIT, current_state.geometry_shader); + glUseProgramStages(handle, GL_FRAGMENT_SHADER_BIT, current_state.fragment_shader); old_state = current_state; } -void MaxwellUniformData::SetFromRegs(const Maxwell3D& maxwell) { +void ProgramManager::BindComputeShader(GLuint program) { + is_graphics_bound = false; + glUseProgram(program); +} + +void MaxwellUniformData::SetFromRegs(const Tegra::Engines::Maxwell3D& maxwell) { const auto& regs = maxwell.regs; // Y_NEGATE controls what value S2R returns for the Y_DIRECTION system value. diff --git a/src/video_core/renderer_opengl/gl_shader_manager.h b/src/video_core/renderer_opengl/gl_shader_manager.h index e94cd75aa..d2e47f2a9 100644 --- a/src/video_core/renderer_opengl/gl_shader_manager.h +++ b/src/video_core/renderer_opengl/gl_shader_manager.h @@ -28,11 +28,16 @@ static_assert(sizeof(MaxwellUniformData) < 16384, class ProgramManager { public: + explicit ProgramManager(); ~ProgramManager(); void Create(); - void Update(); + /// Updates the graphics pipeline and binds it. + void BindGraphicsPipeline(); + + /// Binds a compute shader. + void BindComputeShader(GLuint program); void UseVertexShader(GLuint program) { current_state.vertex_shader = program; @@ -46,33 +51,27 @@ public: current_state.fragment_shader = program; } - GLuint GetHandle() const { - return pipeline.handle; - } - - void UseTrivialFragmentShader() { - current_state.fragment_shader = 0; - } - private: struct PipelineState { - bool operator==(const PipelineState& rhs) const { + bool operator==(const PipelineState& rhs) const noexcept { return vertex_shader == rhs.vertex_shader && fragment_shader == rhs.fragment_shader && geometry_shader == rhs.geometry_shader; } - bool operator!=(const PipelineState& rhs) const { + bool operator!=(const PipelineState& rhs) const noexcept { return !operator==(rhs); } - GLuint vertex_shader{}; - GLuint fragment_shader{}; - GLuint geometry_shader{}; + GLuint vertex_shader = 0; + GLuint fragment_shader = 0; + GLuint geometry_shader = 0; }; - OGLPipeline pipeline; + OGLPipeline graphics_pipeline; + OGLPipeline compute_pipeline; PipelineState current_state; PipelineState old_state; + bool is_graphics_bound = true; }; } // namespace OpenGL::GLShader diff --git a/src/video_core/renderer_opengl/renderer_opengl.cpp b/src/video_core/renderer_opengl/renderer_opengl.cpp index a51410660..c05677cd9 100644 --- a/src/video_core/renderer_opengl/renderer_opengl.cpp +++ b/src/video_core/renderer_opengl/renderer_opengl.cpp @@ -443,7 +443,6 @@ void RendererOpenGL::InitOpenGLObjects() { // Create program pipeline program_manager.Create(); - glBindProgramPipeline(program_manager.GetHandle()); // Generate VBO handle for drawing vertex_buffer.Create(); @@ -596,7 +595,7 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) { program_manager.UseVertexShader(vertex_program.handle); program_manager.UseGeometryShader(0); program_manager.UseFragmentShader(fragment_program.handle); - program_manager.Update(); + program_manager.BindGraphicsPipeline(); glEnable(GL_CULL_FACE); if (screen_info.display_srgb) { |