gl_device: Enable NV_vertex_buffer_unified_memory on Turing devices

Once we make sure not to corrupt Nvidia's driver, we can safely use
resident buffers on Turing devices.

See GitHub pull request 
This commit is contained in:
ReinUsesLisp 2020-06-25 01:28:45 -03:00
parent 0e1268e507
commit bc8d3b8f82

View file

@ -188,20 +188,6 @@ bool IsASTCSupported() {
return true; 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 } // Anonymous namespace
Device::Device() Device::Device()
@ -213,7 +199,6 @@ Device::Device()
const bool is_nvidia = vendor == "NVIDIA Corporation"; const bool is_nvidia = vendor == "NVIDIA Corporation";
const bool is_amd = vendor == "ATI Technologies Inc."; const bool is_amd = vendor == "ATI Technologies Inc.";
const bool is_turing = is_nvidia && IsTuring(renderer);
bool disable_fast_buffer_sub_data = false; bool disable_fast_buffer_sub_data = false;
if (is_nvidia && version == "4.6.0 NVIDIA 443.24") { if (is_nvidia && version == "4.6.0 NVIDIA 443.24") {
@ -238,15 +223,12 @@ Device::Device()
has_component_indexing_bug = is_amd; has_component_indexing_bug = is_amd;
has_precise_bug = TestPreciseBug(); has_precise_bug = TestPreciseBug();
has_nv_viewport_array2 = GLAD_GL_NV_viewport_array2; has_nv_viewport_array2 = GLAD_GL_NV_viewport_array2;
has_vertex_buffer_unified_memory = GLAD_GL_NV_vertex_buffer_unified_memory;
// At the moment of writing this, only Nvidia's driver optimizes BufferSubData on exclusive // At the moment of writing this, only Nvidia's driver optimizes BufferSubData on exclusive
// uniform buffers as "push constants" // uniform buffers as "push constants"
has_fast_buffer_sub_data = is_nvidia && !disable_fast_buffer_sub_data; 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 && 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_compute_program5 && GLAD_GL_NV_transform_feedback &&
GLAD_GL_NV_transform_feedback2; GLAD_GL_NV_transform_feedback2;