- /* draw to window */
- glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
- glDisable(GL_DEPTH_TEST); /* in case window has depth buffer */
- glWindowPos2iARB(0, 0);
- glDrawPixels(Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+ glDisable(GL_DEPTH_TEST); /* in case window has depth buffer */
+
+ glWindowPos2iARB(0, 0);
+ glCopyPixels(0, 0, Width, Height, GL_COLOR);
+ }
+ else if (blitPix) {
+ glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, MyFB);
+ glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
+ glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
+ glDrawBuffer(GL_BACK);
+
+ glDisable(GL_DEPTH_TEST); /* in case window has depth buffer */
+
+ glBlitFramebufferEXT(0, 0, Width, Height,
+ 0, 0, Width, Height,
+ GL_COLOR_BUFFER_BIT, GL_NEAREST);
+ }
+ else {
+ GLubyte *buffer = malloc(Width * Height * 4);
+ /* read from user framebuffer */
+ glReadPixels(0, 0, Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+
+ /* draw to window */
+ glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+ glDisable(GL_DEPTH_TEST); /* in case window has depth buffer */
+ glWindowPos2iARB(0, 0);
+ glDrawPixels(Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+
+ free(buffer);
+ }