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GPU: Use the same buffer names in the generated GLSL and the buffer uploading code.
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14ac40436e
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477aab5960
@ -226,10 +226,6 @@ void RasterizerOpenGL::SetupShaders(u8* buffer_ptr, GLintptr buffer_offset, size
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Memory::ReadBlock(cpu_address, program_code.data(), program_code.size() * sizeof(u64));
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GLShader::ShaderSetup setup{std::move(program_code)};
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static constexpr std::array<const char*, Maxwell::MaxShaderStage> base_names = {
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"buffer_vs_c", "buffer_tessc_c", "buffer_tesse_c", "buffer_gs_c", "buffer_fs_c",
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};
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GLShader::ShaderEntries shader_resources;
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switch (program) {
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@ -255,9 +251,9 @@ void RasterizerOpenGL::SetupShaders(u8* buffer_ptr, GLintptr buffer_offset, size
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static_cast<Maxwell::ShaderStage>(stage));
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// Configure the const buffers for this shader stage.
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current_constbuffer_bindpoint = SetupConstBuffers(
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static_cast<Maxwell::ShaderStage>(stage), gl_stage_program, base_names[stage],
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current_constbuffer_bindpoint, shader_resources.const_buffer_entries);
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current_constbuffer_bindpoint =
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SetupConstBuffers(static_cast<Maxwell::ShaderStage>(stage), gl_stage_program,
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current_constbuffer_bindpoint, shader_resources.const_buffer_entries);
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}
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shader_program_manager->UseTrivialGeometryShader();
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@ -555,7 +551,7 @@ void RasterizerOpenGL::SamplerInfo::SyncWithConfig(const Tegra::Texture::TSCEntr
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}
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u32 RasterizerOpenGL::SetupConstBuffers(Maxwell::ShaderStage stage, GLuint program,
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const std::string& base_name, u32 current_bindpoint,
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u32 current_bindpoint,
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const std::vector<GLShader::ConstBufferEntry>& entries) {
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auto& gpu = Core::System::GetInstance().GPU();
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auto& maxwell3d = gpu.Get3DEngine();
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@ -591,10 +587,11 @@ u32 RasterizerOpenGL::SetupConstBuffers(Maxwell::ShaderStage stage, GLuint progr
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glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0);
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// Now configure the bindpoint of the buffer inside the shader
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std::string buffer_name = base_name + std::to_string(used_buffer.GetIndex());
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std::string buffer_name = used_buffer.GetName();
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GLuint index =
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glGetProgramResourceIndex(program, GL_SHADER_STORAGE_BLOCK, buffer_name.c_str());
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glShaderStorageBlockBinding(program, index, buffer_draw_state.bindpoint);
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if (index != -1)
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glShaderStorageBlockBinding(program, index, buffer_draw_state.bindpoint);
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}
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state.Apply();
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@ -91,14 +91,13 @@ private:
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* Configures the current constbuffers to use for the draw command.
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* @param stage The shader stage to configure buffers for.
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* @param program The OpenGL program object that contains the specified stage.
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* @param base_name The name prefix of the buffer objects in the GLSL shaders.
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* @param current_bindpoint The offset at which to start counting new buffer bindpoints.
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* @param entries Vector describing the buffers that are actually used in the guest shader.
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* @returns The next available bindpoint for use in the next shader stage.
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*/
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u32 SetupConstBuffers(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage, GLuint program,
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const std::string& base_name, u32 current_bindpoint,
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const std::vector<GLShader::ConstBufferEntry>& entries);
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u32 current_bindpoint,
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const std::vector<GLShader::ConstBufferEntry>& entries);
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/// Syncs the viewport to match the guest state
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void SyncViewport(const MathUtil::Rectangle<u32>& surfaces_rect, u16 res_scale);
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@ -192,7 +192,7 @@ private:
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/// Generates code representing a uniform (C buffer) register.
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std::string GetUniform(const Uniform& reg) {
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declr_const_buffers[reg.index].MarkAsUsed(reg.index, reg.offset);
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declr_const_buffers[reg.index].MarkAsUsed(reg.index, reg.offset, stage);
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return 'c' + std::to_string(reg.index) + '[' + std::to_string(reg.offset) + ']';
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}
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@ -478,8 +478,7 @@ private:
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unsigned const_buffer_layout = 0;
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for (const auto& entry : GetConstBuffersDeclarations()) {
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declarations.AddLine("layout(std430, binding = " + std::to_string(const_buffer_layout) +
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") buffer c" + std::to_string(entry.GetIndex()) + "_buffer");
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declarations.AddLine("layout(std430) buffer " + entry.GetName());
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declarations.AddLine("{");
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declarations.AddLine(" float c" + std::to_string(entry.GetIndex()) + "[];");
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declarations.AddLine("};");
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@ -19,10 +19,13 @@ constexpr size_t MAX_PROGRAM_CODE_LENGTH{0x1000};
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using ProgramCode = std::array<u64, MAX_PROGRAM_CODE_LENGTH>;
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class ConstBufferEntry {
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using Maxwell = Tegra::Engines::Maxwell3D::Regs;
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public:
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void MarkAsUsed(unsigned index, unsigned offset) {
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void MarkAsUsed(unsigned index, unsigned offset, Maxwell::ShaderStage stage) {
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is_used = true;
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this->index = index;
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this->stage = stage;
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max_offset = std::max(max_offset, offset);
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}
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@ -38,10 +41,19 @@ public:
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return max_offset + 1;
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}
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std::string GetName() const {
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return BufferBaseNames[static_cast<size_t>(stage)] + std::to_string(index);
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}
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private:
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static constexpr std::array<const char*, Maxwell::MaxShaderStage> BufferBaseNames = {
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"buffer_vs_c", "buffer_tessc_c", "buffer_tesse_c", "buffer_gs_c", "buffer_fs_c",
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};
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bool is_used{};
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unsigned index{};
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unsigned max_offset{};
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Maxwell::ShaderStage stage;
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};
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struct ShaderEntries {
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