diff options
| -rw-r--r-- | src/video_core/renderer_opengl/gl_device.cpp | 26 | ||||
| -rw-r--r-- | src/video_core/renderer_opengl/gl_device.h | 5 |
2 files changed, 30 insertions, 1 deletions
diff --git a/src/video_core/renderer_opengl/gl_device.cpp b/src/video_core/renderer_opengl/gl_device.cpp index 1011c7738..447a19595 100644 --- a/src/video_core/renderer_opengl/gl_device.cpp +++ b/src/video_core/renderer_opengl/gl_device.cpp @@ -188,16 +188,32 @@ bool IsASTCSupported() { return true; } +/// @brief Returns true when a GL_RENDERER is a Turing GPU +/// @param renderer GL_RENDERER string +bool IsTuring(std::string_view renderer) { + static constexpr std::array<std::string_view, 12> TURING_GPUS = { + "GTX 1650", "GTX 1660", "RTX 2060", "RTX 2070", + "RTX 2080", "TITAN RTX", "Quadro RTX 3000", "Quadro RTX 4000", + "Quadro RTX 5000", "Quadro RTX 6000", "Quadro RTX 8000", "Tesla T4", + }; + return std::any_of(TURING_GPUS.begin(), TURING_GPUS.end(), + [renderer](std::string_view candidate) { + return renderer.find(candidate) != std::string_view::npos; + }); +} + } // Anonymous namespace Device::Device() : max_uniform_buffers{BuildMaxUniformBuffers()}, base_bindings{BuildBaseBindings()} { const std::string_view vendor = reinterpret_cast<const char*>(glGetString(GL_VENDOR)); + const std::string_view renderer = reinterpret_cast<const char*>(glGetString(GL_RENDERER)); const std::string_view version = reinterpret_cast<const char*>(glGetString(GL_VERSION)); const std::vector extensions = GetExtensions(); const bool is_nvidia = vendor == "NVIDIA Corporation"; const bool is_amd = vendor == "ATI Technologies Inc."; + const bool is_turing = is_nvidia && IsTuring(renderer); bool disable_fast_buffer_sub_data = false; if (is_nvidia && version == "4.6.0 NVIDIA 443.24") { @@ -221,8 +237,16 @@ Device::Device() has_variable_aoffi = TestVariableAoffi(); has_component_indexing_bug = is_amd; has_precise_bug = TestPreciseBug(); - has_fast_buffer_sub_data = is_nvidia && !disable_fast_buffer_sub_data; has_nv_viewport_array2 = GLAD_GL_NV_viewport_array2; + + // At the moment of writing this, only Nvidia's driver optimizes BufferSubData on exclusive + // uniform buffers as "push constants" + has_fast_buffer_sub_data = is_nvidia && !disable_fast_buffer_sub_data; + + // Nvidia's driver on Turing GPUs randomly crashes when the buffer is made resident, or on + // DeleteBuffers. Disable unified memory on these devices. + has_vertex_buffer_unified_memory = GLAD_GL_NV_vertex_buffer_unified_memory && !is_turing; + use_assembly_shaders = Settings::values.use_assembly_shaders && GLAD_GL_NV_gpu_program5 && GLAD_GL_NV_compute_program5 && GLAD_GL_NV_transform_feedback && GLAD_GL_NV_transform_feedback2; diff --git a/src/video_core/renderer_opengl/gl_device.h b/src/video_core/renderer_opengl/gl_device.h index c86e709b1..e1d811966 100644 --- a/src/video_core/renderer_opengl/gl_device.h +++ b/src/video_core/renderer_opengl/gl_device.h @@ -72,6 +72,10 @@ public: return has_texture_shadow_lod; } + bool HasVertexBufferUnifiedMemory() const { + return has_vertex_buffer_unified_memory; + } + bool HasASTC() const { return has_astc; } @@ -115,6 +119,7 @@ private: bool has_vertex_viewport_layer{}; bool has_image_load_formatted{}; bool has_texture_shadow_lod{}; + bool has_vertex_buffer_unified_memory{}; bool has_astc{}; bool has_variable_aoffi{}; bool has_component_indexing_bug{}; |