benkyd/crumpet-engine
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On the fly shader switching

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This commit is contained in:
plane000
2018-09-17 20:19:59 +01:00
parent ed4179dcd1
commit 61d34d7aac
11 changed files with 106 additions and 19 deletions
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38
OpenGL/main.cpp
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@@ -42,37 +42,55 @@ int main(int argc, char** argv) {
ShaderMode mode = ShaderMode::SHADER_COLOUR;
Mesh mesh(vertices, indices, sizeof(vertices) / sizeof(vertices[0]));
Texture chanceCube("C:/Users/Ben/Desktop/crumpet-engine/resources/textures/chance-cube.jpg");
Shader shader("C:/Users/Ben/Desktop/crumpet-engine/resources/shaders/simple2d");
// std::string resourceFolder = "C:/Users/Ben/Desktop/crumpet-engine/"; // Laptop
std::string resourceFolder = "E:/Games/Practicing/OpenGL/"; // PC
Shader texShader(resourceFolder + "resources/shaders/tex");
Shader colourShader(resourceFolder + "resources/shaders/col");
Shader gradientShader(resourceFolder + "resources/shaders/gradient");
Shader texGradientShader(resourceFolder + "resources/shaders/texGrad");
Texture chanceCube(resourceFolder + "resources/textures/chance-cube.jpg");
unsigned int ticks = SDL_GetTicks();
unsigned int frames = 0;
SDL_Event event;
while(!display.isClosed()) {
glClear(GL_COLOR_BUFFER_BIT);
switch(mode) {
case ShaderMode::SHADER_TEXURE:
chanceCube.Bind(0);
texShader.Bind();
break;
case ShaderMode::SHADER_COLOUR:
colourShader.Bind();
break;
case ShaderMode::SHADER_GRADIENT:
gradientShader.Bind();
break;
case ShaderMode::SHADER_TEXGRADIENT:
break;
default:
chanceCube.Bind(0);
texGradientShader.Bind();
break;
}
shader.Bind();
chanceCube.Bind(0);
mesh.Draw();
while (SDL_PollEvent(&event) != 0) {
if (event.type == SDL_KEYDOWN) {
if (mode == ShaderMode::SHADER_TEXURE) mode = ShaderMode::SHADER_COLOUR;
else if (mode == ShaderMode::SHADER_COLOUR) mode = ShaderMode::SHADER_GRADIENT;
else if (mode == ShaderMode::SHADER_GRADIENT) mode = ShaderMode::SHADER_TEXGRADIENT;
else if (mode == ShaderMode::SHADER_TEXGRADIENT) mode = ShaderMode::SHADER_TEXURE;
if (event.key.keysym.sym == SDLK_ESCAPE) {
display.~Display();
}
}
}
display.Update();
frames++;
}
display.~Display();