C++ (Cpp) reshape_ortho示例

示例#1

文件： OSGGPUVolRTV0.cpp 项目： marcusl/OpenSG

// display the final image on the screen
void GPUVolRTV0::render_buffer_to_screen(DrawEnv *pEnv)
{
	glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
	glLoadIdentity();
	glEnable(GL_TEXTURE_2D);
	if(toggle_visuals)
		glBindTexture(GL_TEXTURE_2D,final_image);
	else
		glBindTexture(GL_TEXTURE_2D,backface_buffer);
//	reshape_ortho(WINDOW_SIZE,WINDOW_SIZE);
	reshape_ortho(pEnv->getPixelWidth(), pEnv->getPixelHeight());
	draw_fullscreen_quad();
	glDisable(GL_TEXTURE_2D);
}

示例#2

文件： cgtk.cpp 项目： sqhe/Airpollution

void cgtk::render_buffer_to_screen()
{
	//glEnable(GL_BLEND);

	////glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );

	//glMatrixMode(GL_MODELVIEW);
	//glPushMatrix();
	//glLoadIdentity();
	//glEnable(GL_TEXTURE_RECTANGLE_ARB);
	//if(toggle_visuals)
	//	glBindTexture(GL_TEXTURE_RECTANGLE_ARB,final_image);
	//else
	//	glBindTexture(GL_TEXTURE_RECTANGLE_ARB,backface_buffer);
	//reshape_ortho(WINDOW_SIZE,WINDOW_SIZE);
	//draw_fullscreen_quad();
	//glDisable(GL_TEXTURE_RECTANGLE_ARB);
	//glMatrixMode(GL_MODELVIEW);
	//glPopMatrix();

	glEnable(GL_BLEND);

	//glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
	//glMatrixMode(GL_MODELVIEW);
	//glPushMatrix();
	glLoadIdentity();
	glEnable(GL_TEXTURE_RECTANGLE_ARB);
	if(toggle_visuals)
		glBindTexture(GL_TEXTURE_RECTANGLE_ARB,final_image);
	else
		glBindTexture(GL_TEXTURE_RECTANGLE_ARB,backface_buffer);
	reshape_ortho(WINDOW_SIZE_W,WINDOW_SIZE_H);
	draw_fullscreen_quad();
	glDisable(GL_TEXTURE_RECTANGLE_ARB);

	//glMatrixMode(GL_PROJECTION);
	//glLoadIdentity();
	//glPopMatrix();



}