renderer_gl: Port over gl_shader_gen module from Citra.

src/video_core/CMakeLists.txt

@@ -18,6 +18,8 @@ add_library(video_core STATIC
     renderer_opengl/gl_resource_manager.h
     renderer_opengl/gl_shader_decompiler.cpp
     renderer_opengl/gl_shader_decompiler.h
+    renderer_opengl/gl_shader_gen.cpp
+    renderer_opengl/gl_shader_gen.h
     renderer_opengl/gl_shader_util.cpp
     renderer_opengl/gl_shader_util.h
     renderer_opengl/gl_state.cpp

src/video_core/renderer_opengl/gl_shader_gen.cpp

+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "video_core/renderer_opengl/gl_shader_gen.h"
+
+namespace GLShader {
+
+std::string GenerateVertexShader(const MaxwellVSConfig& config) {
+    UNIMPLEMENTED();
+    return {};
+}
+
+std::string GenerateFragmentShader(const MaxwellFSConfig& config) {
+    UNIMPLEMENTED();
+    return {};
+}
+
+} // namespace GLShader

src/video_core/renderer_opengl/gl_shader_gen.h

+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <cstring>
+#include <string>
+#include <type_traits>
+#include "common/hash.h"
+
+namespace GLShader {
+
+enum Attributes {
+    ATTRIBUTE_POSITION,
+    ATTRIBUTE_COLOR,
+    ATTRIBUTE_TEXCOORD0,
+    ATTRIBUTE_TEXCOORD1,
+    ATTRIBUTE_TEXCOORD2,
+    ATTRIBUTE_TEXCOORD0_W,
+    ATTRIBUTE_NORMQUAT,
+    ATTRIBUTE_VIEW,
+};
+
+struct MaxwellShaderConfigCommon {
+    explicit MaxwellShaderConfigCommon(){};
+};
+
+struct MaxwellVSConfig : MaxwellShaderConfigCommon {
+    explicit MaxwellVSConfig() : MaxwellShaderConfigCommon() {}
+
+    bool operator==(const MaxwellVSConfig& o) const {
+        return std::memcmp(this, &o, sizeof(MaxwellVSConfig)) == 0;
+    };
+};
+
+struct MaxwellFSConfig : MaxwellShaderConfigCommon {
+    explicit MaxwellFSConfig() : MaxwellShaderConfigCommon() {}
+
+    bool operator==(const MaxwellFSConfig& o) const {
+        return std::memcmp(this, &o, sizeof(MaxwellFSConfig)) == 0;
+    };
+};
+
+std::string GenerateVertexShader(const MaxwellVSConfig& config);
+std::string GenerateFragmentShader(const MaxwellFSConfig& config);
+
+} // namespace GLShader
+
+namespace std {
+
+template <>
+struct hash<GLShader::MaxwellVSConfig> {
+    size_t operator()(const GLShader::MaxwellVSConfig& k) const {
+        return Common::ComputeHash64(&k, sizeof(GLShader::MaxwellVSConfig));
+    }
+};
+
+template <>
+struct hash<GLShader::MaxwellFSConfig> {
+    size_t operator()(const GLShader::MaxwellFSConfig& k) const {
+        return Common::ComputeHash64(&k, sizeof(GLShader::MaxwellFSConfig));
+    }
+};
+
+} // namespace std