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Initial shader support, add "High" effect
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| #include "includes.h" | ||
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| void CFeatureHigh::Init() | ||
| { | ||
| CChaosFeature::Init(); | ||
| } | ||
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| void CFeatureHigh::ActivateFeature() | ||
| { | ||
| CChaosFeature::ActivateFeature(); | ||
| g_bActivatedShader = true; | ||
| } | ||
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| void CFeatureHigh::DeactivateFeature() | ||
| { | ||
| CChaosFeature::DeactivateFeature(); | ||
| g_bActivatedShader = false; | ||
| } | ||
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| const char* CFeatureHigh::GetFeatureName() | ||
| { | ||
| return "High"; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| /** | ||
| * Copyright - ScriptedSnark, 2024. | ||
| * CFeatureHigh.h | ||
| * | ||
| * Project (GSChaos) header file | ||
| * Authors: ScriptedSnark. | ||
| * Do not delete this comment block. Respect others' work! | ||
| */ | ||
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| #ifdef CFEATUREHIGH_H_RECURSE_GUARD | ||
| #error Recursive header files inclusion detected in CFeatureHigh.h | ||
| #else //CFEATUREHIGH_H_RECURSE_GUARD | ||
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| #define CFEATUREHIGH_H_RECURSE_GUARD | ||
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| #ifndef CFEATUREHIGH_H_GUARD | ||
| #define CFEATUREHIGH_H_GUARD | ||
| #pragma once | ||
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| #ifdef __cplusplus | ||
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| class CFeatureHigh : public CChaosFeature | ||
| { | ||
| void Init() override; | ||
| void ActivateFeature() override; | ||
| void DeactivateFeature() override; | ||
| const char* GetFeatureName() override; | ||
| }; | ||
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| #else //!__cplusplus | ||
| #error C++ compiler required to compile CFeatureHigh.h | ||
| #endif //__cplusplus | ||
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| #endif //CFEATUREHIGH_H_GUARD | ||
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| #undef CFEATUREHIGH_H_RECURSE_GUARD | ||
| #endif //CFEATUREHIGH_H_RECURSE_GUARD |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| #include "includes.h" | ||
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| namespace OpenGLShader | ||
| { | ||
| std::string loadShaderFromFile(const std::string& fileName) | ||
| { | ||
| std::ifstream shaderFile(fileName); | ||
| std::stringstream shaderStream; | ||
| shaderStream << shaderFile.rdbuf(); | ||
| return shaderStream.str(); | ||
| } | ||
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| GLuint CreateVertexShader(const std::string& fileName) | ||
| { | ||
| std::string shaderSource = loadShaderFromFile(fileName); | ||
| const char* shaderSourceCStr = shaderSource.c_str(); | ||
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| GLuint vertexShader = glCreateShader(GL_VERTEX_SHADER); | ||
| glShaderSource(vertexShader, 1, &shaderSourceCStr, NULL); | ||
| glCompileShader(vertexShader); | ||
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| // checking for errors | ||
| GLint success; | ||
| glGetShaderiv(vertexShader, GL_COMPILE_STATUS, &success); | ||
| if (!success) | ||
| { | ||
| char infoLog[512]; | ||
| glGetShaderInfoLog(vertexShader, 512, NULL, infoLog); | ||
| printf("Error compiling vertex shader: %s\n", infoLog); | ||
| return 0; | ||
| } | ||
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| return vertexShader; | ||
| } | ||
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| GLuint CreateFragmentShader(const std::string& fileName) | ||
| { | ||
| std::string shaderSource = loadShaderFromFile(fileName); | ||
| const char* shaderSourceCStr = shaderSource.c_str(); | ||
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| GLuint fragmentShader = glCreateShader(GL_FRAGMENT_SHADER); | ||
| glShaderSource(fragmentShader, 1, &shaderSourceCStr, NULL); | ||
| glCompileShader(fragmentShader); | ||
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| // checking for errors | ||
| GLint success; | ||
| glGetShaderiv(fragmentShader, GL_COMPILE_STATUS, &success); | ||
| if (!success) | ||
| { | ||
| char infoLog[512]; | ||
| glGetShaderInfoLog(fragmentShader, 512, NULL, infoLog); | ||
| printf("Error compiling fragment shader: %s\n", infoLog); | ||
| return 0; | ||
| } | ||
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| return fragmentShader; | ||
| } | ||
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| GLuint CreateProgram(GLuint vertexShader, GLuint fragmentShader) | ||
| { | ||
| // shader program creation | ||
| GLuint shaderProgram = glCreateProgram(); | ||
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| if (vertexShader) | ||
| glAttachShader(shaderProgram, vertexShader); | ||
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| if (fragmentShader) | ||
| glAttachShader(shaderProgram, fragmentShader); | ||
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| glLinkProgram(shaderProgram); | ||
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| // checking for compiler & linker errors | ||
| GLint success; | ||
| GLchar infoLog[512]; | ||
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| if (vertexShader) | ||
| { | ||
| glGetShaderiv(vertexShader, GL_COMPILE_STATUS, &success); | ||
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| if (!success) | ||
| { | ||
| glGetShaderInfoLog(vertexShader, 512, NULL, infoLog); | ||
| printf("Error compiling vertex shader: %s\n", infoLog); | ||
| } | ||
| } | ||
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| if (fragmentShader) | ||
| { | ||
| glGetShaderiv(fragmentShader, GL_COMPILE_STATUS, &success); | ||
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| if (!success) | ||
| { | ||
| glGetShaderInfoLog(fragmentShader, 512, NULL, infoLog); | ||
| printf("Error compiling fragment shader: %s\n", infoLog); | ||
| } | ||
| } | ||
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| glGetProgramiv(shaderProgram, GL_LINK_STATUS, &success); | ||
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| if (!success) | ||
| { | ||
| glGetProgramInfoLog(shaderProgram, 512, NULL, infoLog); | ||
| printf("Error linking shader program: %s\n", infoLog); | ||
| } | ||
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| return shaderProgram; | ||
| } | ||
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| void Cleanup(GLuint vertexShader, GLuint fragmentShader) | ||
| { | ||
| // cleaning up shaders | ||
| glDeleteShader(vertexShader); | ||
| glDeleteShader(fragmentShader); | ||
| } | ||
| }; |
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