Function main

Chapter8/GL03_HDR/src/main.cpp:45–300

bool g_EnableHDR = true;

int main(void)
{
	GLApp app;

	GLShader shdGridVertex("data/shaders/chapter05/GL01_grid.vert");
	GLShader shdGridFragment("data/shaders/chapter05/GL01_grid.frag");
	GLProgram progGrid(shdGridVertex, shdGridFragment);

	GLShader shdFullScreenQuadVertex("data/shaders/chapter08/GL02_FullScreenQuad.vert");

	GLShader shdCombineHDR("data/shaders/chapter08/GL03_HDR.frag");
	GLProgram progCombineHDR(shdFullScreenQuadVertex, shdCombineHDR);

	GLShader shdBlurX("data/shaders/chapter08/GL02_BlurX.frag");
	GLShader shdBlurY("data/shaders/chapter08/GL02_BlurY.frag");
	GLProgram progBlurX(shdFullScreenQuadVertex, shdBlurX);
	GLProgram progBlurY(shdFullScreenQuadVertex, shdBlurY);

	GLShader shdToLuminance("data/shaders/chapter08/GL03_ToLuminance.frag");
	GLProgram progToLuminance(shdFullScreenQuadVertex, shdToLuminance);

	GLShader shdBrightPass("data/shaders/chapter08/GL03_BrightPass.frag");
	GLProgram progBrightPass(shdFullScreenQuadVertex, shdBrightPass);

	const GLsizeiptr kUniformBufferSize = sizeof(PerFrameData);

	GLBuffer perFrameDataBuffer(kUniformBufferSize, nullptr, GL_DYNAMIC_STORAGE_BIT);
	glBindBufferRange(GL_UNIFORM_BUFFER, kBufferIndex_PerFrameUniforms, perFrameDataBuffer.getHandle(), 0, kUniformBufferSize);

	glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
	glEnable(GL_DEPTH_TEST);

	GLShader shaderVertex  ("data/shaders/chapter08/GL03_scene_IBL.vert");
	GLShader shaderFragment("data/shaders/chapter08/GL03_scene_IBL.frag");
	GLProgram program(shaderVertex, shaderFragment);

	GLSceneData sceneData1("data/meshes/test.meshes", "data/meshes/test.scene", "data/meshes/test.materials");
	GLSceneData sceneData2("data/meshes/test2.meshes", "data/meshes/test2.scene", "data/meshes/test2.materials");

	GLMesh mesh1(sceneData1);
	GLMesh mesh2(sceneData2);

	glfwSetCursorPosCallback(
		app.getWindow(),
		[](auto* window, double x, double y)
		{
			int width, height;
			glfwGetFramebufferSize(window, &width, &height);
			mouseState.pos.x = static_cast<float>(x / width);
			mouseState.pos.y = static_cast<float>(y / height);
			ImGui::GetIO().MousePos = ImVec2((float)x, (float)y);
		}
	);

	glfwSetMouseButtonCallback(
		app.getWindow(),
		[](auto* window, int button, int action, int mods)