gistfile1.hpp

void draw_geometry_pass(void)
{
	glViewport(0,0,window_width,window_hight);

	camera->updateProjection();
	camera->updateModelview();

	// Get projection matrix, and create inverse for DF pass 2.
	glGetFloatv(GL_MODELVIEW_MATRIX, matrix_modelview);
	glGetFloatv(GL_PROJECTION_MATRIX, matrix_projection);
	helper_MatrixInv(matrix_projection_inverse, matrix_projection);
	helper_MatrixInv(matrix_modelview_inverse, matrix_modelview);

	// Bind MRT FBO
	glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, render_fbo);
	glDrawBuffers(4, render_targets);

	// Clear and reset translations
	glClear(GL_DEPTH_BUFFER_BIT);
	glColor3f(1,1,1);

	glEnable(GL_COLOR_MATERIAL);

	// DF Pass 1
	// Depth and normals
	shader_df_pass1->bind();

	draw_scene();

	// Pass 1 done
	shader_df_pass1->unbind();

	// Unbind MRT FBO
	//glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
}