Esempi in C++ (Cpp) per ReleaseScreenshotBuffer

Esempio n. 1

File: gl_framebuffer.cpp Progetto: SHMAUS-Carter/OpenGames

void OpenGLFrameBuffer::GetScreenshotBuffer(const BYTE *&buffer, int &pitch, ESSType &color_type)
{
	int w = SCREENWIDTH;
	int h = SCREENHEIGHT;

	ReleaseScreenshotBuffer();
	ScreenshotBuffer = new BYTE[w * h * 3];

	glPixelStorei(GL_PACK_ALIGNMENT, 1);
	glReadPixels(0,(GetTrueHeight() - GetHeight()) / 2,w,h,GL_RGB,GL_UNSIGNED_BYTE,ScreenshotBuffer);
	glPixelStorei(GL_PACK_ALIGNMENT, 4);
	pitch = -w*3;
	color_type = SS_RGB;
	buffer = ScreenshotBuffer + w * 3 * (h - 1);
}

Esempio n. 2

File: gl_framebuffer.cpp Progetto: CarlKenner/gz3doom

void OpenGLFrameBuffer::GetScreenshotBuffer(const BYTE *&buffer, int &pitch, ESSType &color_type)
{
	int w = SCREENWIDTH;
	int h = SCREENHEIGHT;

	ReleaseScreenshotBuffer();
	ScreenshotBuffer = new BYTE[w * h * 3];

	// Stereo3d might have an incomplete framebuffer bound, so unbind it for screenshot.
	int currentFramebuffer = 0;
	glGetIntegerv(GL_FRAMEBUFFER_BINDING, &currentFramebuffer);
	glBindFramebuffer(GL_FRAMEBUFFER, 0);

	glPixelStorei(GL_PACK_ALIGNMENT, 1);
	glReadPixels(0,(GetTrueHeight() - GetHeight()) / 2,w,h,GL_RGB,GL_UNSIGNED_BYTE,ScreenshotBuffer);
	glPixelStorei(GL_PACK_ALIGNMENT, 4);
	pitch = -w*3;
	color_type = SS_RGB;
	buffer = ScreenshotBuffer + w * 3 * (h - 1);

	// Restore offscreen hud image, if any, for stereo 3d
	if (currentFramebuffer != 0)
		glBindFramebuffer(GL_FRAMEBUFFER, currentFramebuffer);
}