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https://github.com/yuzu-emu/yuzu.git
synced 2024-08-20 22:13:23 +02:00
gl_device: Deduce indexing bug from device instead of heuristic
The heuristic to detect AMD's driver was not working properly since it also included Intel. Instead of using heuristics to detect it, compare the GL_VENDOR string.
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@ -137,6 +137,7 @@ Device::Device() : base_bindings{BuildBaseBindings()} {
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const std::vector extensions = GetExtensions();
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const bool is_nvidia = vendor == "NVIDIA Corporation";
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const bool is_amd = vendor == "ATI Technologies Inc.";
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const bool is_intel = vendor == "Intel";
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uniform_buffer_alignment = GetInteger<std::size_t>(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT);
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@ -149,7 +150,7 @@ Device::Device() : base_bindings{BuildBaseBindings()} {
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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_variable_aoffi = TestVariableAoffi();
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has_component_indexing_bug = TestComponentIndexingBug();
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has_component_indexing_bug = is_amd;
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has_precise_bug = TestPreciseBug();
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has_broken_compute = is_intel;
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has_fast_buffer_sub_data = is_nvidia;
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@ -184,52 +185,6 @@ void main() {
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})");
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}
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bool Device::TestComponentIndexingBug() {
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const GLchar* COMPONENT_TEST = R"(#version 430 core
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layout (std430, binding = 0) buffer OutputBuffer {
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uint output_value;
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};
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layout (std140, binding = 0) uniform InputBuffer {
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uvec4 input_value[4096];
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};
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layout (location = 0) uniform uint idx;
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void main() {
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output_value = input_value[idx >> 2][idx & 3];
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})";
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const GLuint shader{glCreateShaderProgramv(GL_VERTEX_SHADER, 1, &COMPONENT_TEST)};
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SCOPE_EXIT({ glDeleteProgram(shader); });
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glUseProgram(shader);
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OGLVertexArray vao;
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vao.Create();
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glBindVertexArray(vao.handle);
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constexpr std::array<GLuint, 8> values{0, 0, 0, 0, 0x1236327, 0x985482, 0x872753, 0x2378432};
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OGLBuffer ubo;
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ubo.Create();
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glNamedBufferData(ubo.handle, sizeof(values), values.data(), GL_STATIC_DRAW);
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glBindBufferBase(GL_UNIFORM_BUFFER, 0, ubo.handle);
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OGLBuffer ssbo;
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ssbo.Create();
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glNamedBufferStorage(ssbo.handle, sizeof(GLuint), nullptr, GL_CLIENT_STORAGE_BIT);
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for (GLuint index = 4; index < 8; ++index) {
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glInvalidateBufferData(ssbo.handle);
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glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, ssbo.handle);
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glProgramUniform1ui(shader, 0, index);
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glDrawArrays(GL_POINTS, 0, 1);
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GLuint result;
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glGetNamedBufferSubData(ssbo.handle, 0, sizeof(result), &result);
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if (result != values.at(index)) {
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return true;
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}
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}
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return false;
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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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@ -86,7 +86,6 @@ public:
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private:
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static bool TestVariableAoffi();
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static bool TestComponentIndexingBug();
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static bool TestPreciseBug();
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std::array<BaseBindings, Tegra::Engines::MaxShaderTypes> base_bindings;
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