- Provant el shader crt-pi

main.cpp

@@ -21,8 +21,8 @@
 #include <SDL2/SDL_opengl_glext.h>
 #endif
 
-const int WIN_WIDTH = 640;
-const int WIN_HEIGHT = 480;
+const int WIN_WIDTH = 1024;
+const int WIN_HEIGHT = 768;
 
 const int WORLD_WIDTH = 320;
 const int WORLD_HEIGHT = 240;
@@ -81,8 +81,11 @@ GLuint compileShader(const char* source, GLuint shaderType) {
 	//std::cout << "Compilando shader:" << std::endl << source << std::endl;
 	// Create ID for shader
 	GLuint result = glCreateShader(shaderType);
+
+	const char *sources[2] = { shaderType==GL_VERTEX_SHADER?"#define VERTEX\n":"#define FRAGMENT\n", source };
+
 	// Define shader text
-	glShaderSource(result, 1, &source, NULL);
+	glShaderSource(result, 2, sources, NULL);
 	// Compile shader
 	glCompileShader(result);
 
@@ -118,9 +121,6 @@ GLuint compileProgram(const char* vtxFile, const char* fragFile) {
 	std::string source((std::istreambuf_iterator<char>(f)),
 						std::istreambuf_iterator<char>());
 
-	/*const char *sources[2] = { "#define VERTEX\n", source.c_str() };
-	glShaderSourceARB(shader, 2, sources, NULL);*/
-
 	vtxShaderId = compileShader(source.c_str(), GL_VERTEX_SHADER);
 	
 	f=std::ifstream(fragFile);
@@ -159,6 +159,8 @@ void presentBackBuffer(SDL_Renderer *renderer, SDL_Window* win, SDL_Texture* bac
 	GLint oldProgramId;
 	// Guarrada para obtener el textureid (en driverdata->texture)
 	//Detach the texture
+	SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
+
 	SDL_SetRenderTarget(renderer, NULL);
 	SDL_RenderClear(renderer);
 
@@ -291,6 +293,7 @@ int main(int argc, char **argv){
 
 	while ( ! done ) {
 		//Render to the texture
+	SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
 		SDL_SetRenderTarget(renderer, texTarget);
 		SDL_RenderClear(renderer);