int main(int argc, char *argv[])
{
//SDL_Surface *screen;
SDL_Window *window;
SDL_GLContext context;
assert(SDL_Init(SDL_INIT_VIDEO) == 0);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
//screen = SDL_SetVideoMode( 640, 480, 16, SDL_OPENGL );
//assert(screen);
window = SDL_CreateWindow("sdlglshader", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 640, 480, SDL_WINDOW_OPENGL);
assert(window);
context = SDL_GL_CreateContext(window);
glClearColor(0, 0, 0, 0);
glViewport(0, 0, 640, 480);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, 640, 480, 0, -1, 1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glClear(GL_COLOR_BUFFER_BIT);
initARB();
setShaders();
glColor3f(0, 1, 1); // is overridden by the shader, useful for debugging native builds
glBegin( GL_TRIANGLES );
glTexCoord2i(0, 0); glVertex3f( 10, 10, 0);
glTexCoord2i(1, 0); glVertex3f( 300, 10, 0);
glTexCoord2i(1, 1); glVertex3f( 300, 328, 0);
glEnd();
glColor3f(1, 1, 0); // is overridden by the shader, useful for debugging native builds
glBegin( GL_TRIANGLES );
glTexCoord2f(0, 0.5); glVertex3f(410, 10, 0);
glTexCoord2f(1, 0.5); glVertex3f(600, 10, 0);
glTexCoord2f(1, 1 ); glVertex3f(630, 400, 0);
glEnd();
SDL_GL_SwapWindow(window);
#ifndef __EMSCRIPTEN__
SDL_Delay(3000);
#endif
SDL_Quit();
return 0;
}
int main(int argc, char *argv[])
{
SDL_Surface *screen;
assert(SDL_Init(SDL_INIT_VIDEO) == 0);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
screen = SDL_SetVideoMode( 640, 480, 16, SDL_OPENGL );
assert(screen);
glClearColor(0, 0, 0, 0);
glViewport(0, 0, 640, 480);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, 640, 480, 0, -1, 1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glClear(GL_COLOR_BUFFER_BIT);
initARB();
setShaders();
glColor3f(0, 1, 1); // is overridden by the shader, useful for debugging native builds
glBegin( GL_TRIANGLES );
glTexCoord2i(0, 0); glVertex3f( 10, 10, 0);
glTexCoord2i(1, 0); glVertex3f( 300, 10, 0);
glTexCoord2i(1, 1); glVertex3f( 300, 328, 0);
glEnd();
glColor3f(1, 1, 0); // is overridden by the shader, useful for debugging native builds
glBegin( GL_TRIANGLES );
glTexCoord2f(0, 0.5); glVertex3f(410, 10, 0);
glTexCoord2f(1, 0.5); glVertex3f(600, 10, 0);
glTexCoord2f(1, 1 ); glVertex3f(630, 400, 0);
glEnd();
// Test https://github.com/kripken/emscripten/issues/3693
glBegin( GL_TRIANGLES );
glEnd();
SDL_GL_SwapBuffers();
#ifndef __EMSCRIPTEN__
SDL_Delay(3000);
#endif
SDL_Quit();
return 0;
}
