99ceb03a1c
This formats all copyright comments according to SPDX formatting guidelines. Additionally, this resolves the remaining GPLv2 only licensed files by relicensing them to GPLv2.0-or-later.
288 lines
12 KiB
C++
288 lines
12 KiB
C++
// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <algorithm>
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#include <array>
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#include <cstddef>
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#include <cstdlib>
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#include <optional>
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#include <span>
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#include <stdexcept>
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#include <vector>
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#include <glad/glad.h>
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#include "common/literals.h"
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#include "common/logging/log.h"
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#include "common/settings.h"
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#include "shader_recompiler/stage.h"
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#include "video_core/renderer_opengl/gl_device.h"
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#include "video_core/renderer_opengl/gl_resource_manager.h"
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using namespace Common::Literals;
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namespace OpenGL {
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namespace {
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constexpr std::array LIMIT_UBOS = {
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GL_MAX_VERTEX_UNIFORM_BLOCKS, GL_MAX_TESS_CONTROL_UNIFORM_BLOCKS,
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GL_MAX_TESS_EVALUATION_UNIFORM_BLOCKS, GL_MAX_GEOMETRY_UNIFORM_BLOCKS,
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GL_MAX_FRAGMENT_UNIFORM_BLOCKS, GL_MAX_COMPUTE_UNIFORM_BLOCKS,
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};
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template <typename T>
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T GetInteger(GLenum pname) {
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GLint temporary;
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glGetIntegerv(pname, &temporary);
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return static_cast<T>(temporary);
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}
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bool TestProgram(const GLchar* glsl) {
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const GLuint shader{glCreateShaderProgramv(GL_VERTEX_SHADER, 1, &glsl)};
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GLint link_status;
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glGetProgramiv(shader, GL_LINK_STATUS, &link_status);
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glDeleteProgram(shader);
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return link_status == GL_TRUE;
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}
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std::vector<std::string_view> GetExtensions() {
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GLint num_extensions;
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glGetIntegerv(GL_NUM_EXTENSIONS, &num_extensions);
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std::vector<std::string_view> extensions;
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extensions.reserve(num_extensions);
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for (GLint index = 0; index < num_extensions; ++index) {
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extensions.push_back(
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reinterpret_cast<const char*>(glGetStringi(GL_EXTENSIONS, static_cast<GLuint>(index))));
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}
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return extensions;
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}
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bool HasExtension(std::span<const std::string_view> extensions, std::string_view extension) {
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return std::ranges::find(extensions, extension) != extensions.end();
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}
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std::array<u32, Shader::MaxStageTypes> BuildMaxUniformBuffers() noexcept {
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std::array<u32, Shader::MaxStageTypes> max;
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std::ranges::transform(LIMIT_UBOS, max.begin(), &GetInteger<u32>);
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return max;
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}
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bool IsASTCSupported() {
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static constexpr std::array targets{
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GL_TEXTURE_2D,
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GL_TEXTURE_2D_ARRAY,
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};
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static constexpr std::array formats{
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GL_COMPRESSED_RGBA_ASTC_4x4_KHR, GL_COMPRESSED_RGBA_ASTC_5x4_KHR,
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GL_COMPRESSED_RGBA_ASTC_5x5_KHR, GL_COMPRESSED_RGBA_ASTC_6x5_KHR,
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GL_COMPRESSED_RGBA_ASTC_6x6_KHR, GL_COMPRESSED_RGBA_ASTC_8x5_KHR,
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GL_COMPRESSED_RGBA_ASTC_8x6_KHR, GL_COMPRESSED_RGBA_ASTC_8x8_KHR,
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GL_COMPRESSED_RGBA_ASTC_10x5_KHR, GL_COMPRESSED_RGBA_ASTC_10x6_KHR,
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GL_COMPRESSED_RGBA_ASTC_10x8_KHR, GL_COMPRESSED_RGBA_ASTC_10x10_KHR,
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GL_COMPRESSED_RGBA_ASTC_12x10_KHR, GL_COMPRESSED_RGBA_ASTC_12x12_KHR,
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GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR,
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GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR,
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GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR,
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GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR,
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GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR,
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GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR,
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GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR,
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};
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static constexpr std::array required_support{
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GL_VERTEX_TEXTURE, GL_TESS_CONTROL_TEXTURE, GL_TESS_EVALUATION_TEXTURE,
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GL_GEOMETRY_TEXTURE, GL_FRAGMENT_TEXTURE, GL_COMPUTE_TEXTURE,
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};
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for (const GLenum target : targets) {
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for (const GLenum format : formats) {
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for (const GLenum support : required_support) {
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GLint value;
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glGetInternalformativ(target, format, support, 1, &value);
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if (value != GL_FULL_SUPPORT) {
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return false;
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}
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}
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}
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}
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return true;
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}
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[[nodiscard]] bool IsDebugToolAttached(std::span<const std::string_view> extensions) {
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const bool nsight = std::getenv("NVTX_INJECTION64_PATH") || std::getenv("NSIGHT_LAUNCHED");
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return nsight || HasExtension(extensions, "GL_EXT_debug_tool");
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}
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} // Anonymous namespace
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Device::Device() {
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if (!GLAD_GL_VERSION_4_6) {
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LOG_ERROR(Render_OpenGL, "OpenGL 4.6 is not available");
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throw std::runtime_error{"Insufficient version"};
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}
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vendor_name = reinterpret_cast<const char*>(glGetString(GL_VENDOR));
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const std::string_view version = reinterpret_cast<const char*>(glGetString(GL_VERSION));
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const std::vector extensions = GetExtensions();
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const bool is_nvidia = vendor_name == "NVIDIA Corporation";
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const bool is_amd = vendor_name == "ATI Technologies Inc.";
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const bool is_intel = vendor_name == "Intel";
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#ifdef __unix__
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const bool is_linux = true;
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#else
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const bool is_linux = false;
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#endif
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bool disable_fast_buffer_sub_data = false;
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if (is_nvidia && version == "4.6.0 NVIDIA 443.24") {
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LOG_WARNING(
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Render_OpenGL,
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"Beta driver 443.24 is known to have issues. There might be performance issues.");
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disable_fast_buffer_sub_data = true;
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}
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max_uniform_buffers = BuildMaxUniformBuffers();
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uniform_buffer_alignment = GetInteger<size_t>(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT);
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shader_storage_alignment = GetInteger<size_t>(GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT);
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max_vertex_attributes = GetInteger<u32>(GL_MAX_VERTEX_ATTRIBS);
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max_varyings = GetInteger<u32>(GL_MAX_VARYING_VECTORS);
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max_compute_shared_memory_size = GetInteger<u32>(GL_MAX_COMPUTE_SHARED_MEMORY_SIZE);
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max_glasm_storage_buffer_blocks = GetInteger<u32>(GL_MAX_VERTEX_SHADER_STORAGE_BLOCKS);
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has_warp_intrinsics = GLAD_GL_NV_gpu_shader5 && GLAD_GL_NV_shader_thread_group &&
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GLAD_GL_NV_shader_thread_shuffle;
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has_shader_ballot = GLAD_GL_ARB_shader_ballot;
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has_vertex_viewport_layer = GLAD_GL_ARB_shader_viewport_layer_array;
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has_image_load_formatted = HasExtension(extensions, "GL_EXT_shader_image_load_formatted");
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has_texture_shadow_lod = HasExtension(extensions, "GL_EXT_texture_shadow_lod");
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has_astc = IsASTCSupported();
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has_variable_aoffi = TestVariableAoffi();
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has_component_indexing_bug = is_amd;
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has_precise_bug = TestPreciseBug();
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has_broken_texture_view_formats = is_amd || (!is_linux && is_intel);
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has_nv_viewport_array2 = GLAD_GL_NV_viewport_array2;
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has_derivative_control = GLAD_GL_ARB_derivative_control;
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has_vertex_buffer_unified_memory = GLAD_GL_NV_vertex_buffer_unified_memory;
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has_debugging_tool_attached = IsDebugToolAttached(extensions);
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has_depth_buffer_float = HasExtension(extensions, "GL_NV_depth_buffer_float");
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has_geometry_shader_passthrough = GLAD_GL_NV_geometry_shader_passthrough;
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has_nv_gpu_shader_5 = GLAD_GL_NV_gpu_shader5;
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has_shader_int64 = HasExtension(extensions, "GL_ARB_gpu_shader_int64");
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has_amd_shader_half_float = GLAD_GL_AMD_gpu_shader_half_float;
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has_sparse_texture_2 = GLAD_GL_ARB_sparse_texture2;
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warp_size_potentially_larger_than_guest = !is_nvidia && !is_intel;
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need_fastmath_off = is_nvidia;
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can_report_memory = GLAD_GL_NVX_gpu_memory_info;
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// At the moment of writing this, only Nvidia's driver optimizes BufferSubData on exclusive
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// uniform buffers as "push constants"
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has_fast_buffer_sub_data = is_nvidia && !disable_fast_buffer_sub_data;
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shader_backend = Settings::values.shader_backend.GetValue();
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use_assembly_shaders = shader_backend == Settings::ShaderBackend::GLASM &&
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GLAD_GL_NV_gpu_program5 && GLAD_GL_NV_compute_program5 &&
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GLAD_GL_NV_transform_feedback && GLAD_GL_NV_transform_feedback2;
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if (shader_backend == Settings::ShaderBackend::GLASM && !use_assembly_shaders) {
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LOG_ERROR(Render_OpenGL, "Assembly shaders enabled but not supported");
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shader_backend = Settings::ShaderBackend::GLSL;
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}
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if (shader_backend == Settings::ShaderBackend::GLSL && is_nvidia) {
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const std::string_view driver_version = version.substr(13);
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const int version_major =
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std::atoi(driver_version.substr(0, driver_version.find(".")).data());
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if (version_major >= 495) {
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has_cbuf_ftou_bug = true;
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has_bool_ref_bug = true;
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}
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}
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// Blocks AMD and Intel OpenGL drivers on Windows from using asynchronous shader compilation.
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use_asynchronous_shaders = Settings::values.use_asynchronous_shaders.GetValue() &&
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!(is_amd || (is_intel && !is_linux));
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use_driver_cache = is_nvidia;
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LOG_INFO(Render_OpenGL, "Renderer_VariableAOFFI: {}", has_variable_aoffi);
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LOG_INFO(Render_OpenGL, "Renderer_ComponentIndexingBug: {}", has_component_indexing_bug);
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LOG_INFO(Render_OpenGL, "Renderer_PreciseBug: {}", has_precise_bug);
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LOG_INFO(Render_OpenGL, "Renderer_BrokenTextureViewFormats: {}",
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has_broken_texture_view_formats);
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if (Settings::values.use_asynchronous_shaders.GetValue() && !use_asynchronous_shaders) {
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LOG_WARNING(Render_OpenGL, "Asynchronous shader compilation enabled but not supported");
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}
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}
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std::string Device::GetVendorName() const {
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if (vendor_name == "NVIDIA Corporation") {
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return "NVIDIA";
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}
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if (vendor_name == "ATI Technologies Inc.") {
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return "AMD";
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}
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if (vendor_name == "Intel") {
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// For Mesa, `Intel` is an overloaded vendor string that could mean crocus or iris.
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// Simply return `INTEL` for those as well as the Windows driver.
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return "INTEL";
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}
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if (vendor_name == "Intel Open Source Technology Center") {
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return "I965";
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}
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if (vendor_name == "Mesa Project") {
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return "I915";
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}
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if (vendor_name == "Mesa/X.org") {
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// This vendor string is overloaded between llvmpipe, softpipe, and virgl, so just return
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// MESA instead of one of those driver names.
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return "MESA";
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}
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if (vendor_name == "AMD") {
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return "RADEONSI";
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}
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if (vendor_name == "nouveau") {
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return "NOUVEAU";
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}
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if (vendor_name == "X.Org") {
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return "R600";
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}
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if (vendor_name == "Collabora Ltd") {
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return "ZINK";
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}
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if (vendor_name == "Intel Corporation") {
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return "OPENSWR";
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}
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if (vendor_name == "Microsoft Corporation") {
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return "D3D12";
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}
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if (vendor_name == "NVIDIA") {
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// Mesa's tegra driver reports `NVIDIA`. Only present in this list because the default
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// strategy would have returned `NVIDIA` here for this driver, the same result as the
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// proprietary driver.
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return "TEGRA";
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}
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return vendor_name;
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}
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bool Device::TestVariableAoffi() {
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return TestProgram(R"(#version 430 core
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// This is a unit test, please ignore me on apitrace bug reports.
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uniform sampler2D tex;
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uniform ivec2 variable_offset;
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out vec4 output_attribute;
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void main() {
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output_attribute = textureOffset(tex, vec2(0), variable_offset);
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})");
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}
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bool Device::TestPreciseBug() {
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return !TestProgram(R"(#version 430 core
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in vec3 coords;
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out float out_value;
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uniform sampler2DShadow tex;
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void main() {
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precise float tmp_value = vec4(texture(tex, coords)).x;
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out_value = tmp_value;
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})");
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}
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u64 Device::GetCurrentDedicatedVideoMemory() const {
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GLint cur_avail_mem_kb = 0;
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glGetIntegerv(GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX, &cur_avail_mem_kb);
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return static_cast<u64>(cur_avail_mem_kb) * 1_KiB;
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}
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} // namespace OpenGL
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