Method createShadowMapFBOAndTexture

testbed/src/SceneDemo.cpp:336–367

Create the Shadow map FBO and texture

// Create the Shadow map FBO and texture
void SceneDemo::createShadowMapFBOAndTexture() {

	// For each shadow map
	for (int i = 0; i < NB_SHADOW_MAPS; i++) {

		// Create the texture for the depth values
		mShadowMapTexture[i].create(SHADOWMAP_WIDTH, SHADOWMAP_HEIGHT, GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT,
			GL_UNSIGNED_BYTE, GL_LINEAR, GL_LINEAR, GL_CLAMP_TO_BORDER, GL_CLAMP_TO_BORDER, NULL);

		mShadowMapTexture[i].setUnit(i);

		// Make sure that texture lookups outside the texture coords range will not
		// treated as beeing in shadow
		glBindTexture(GL_TEXTURE_2D, mShadowMapTexture[i].getID());
		GLfloat border[] = { 1.0f, 0.0f, 0.0f, 0.0f };
		glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_BORDER_COLOR, border);
		glBindTexture(GL_TEXTURE_2D, 0);

		// Create the FBO for the shadow map
		mFBOShadowMap[i].create(0, 0, false);
		mFBOShadowMap[i].bind();

		// Tell OpenGL that we won't bind a color texture with the currently binded FBO
		glDrawBuffer(GL_NONE);
		glReadBuffer(GL_NONE);

		mFBOShadowMap[i].attachTexture(GL_DEPTH_ATTACHMENT, mShadowMapTexture[i].getID());
		mFBOShadowMap[i].unbind();
	}

    mIsShadowMappingInitialized = true;
}

// Used for debugging shadow maps
void SceneDemo::createQuadVBO() {