bloom场景搭建

main.cpp

@@ -100,6 +100,18 @@ INT WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _
 	combineProgram.DetectUniform("U_MainTexture");
 	combineProgram.DetectUniform("U_HDRTexture");
 
+
+	//init light source program
+	GPUProgram lightSourceProgram;
+	lightSourceProgram.AttachShader(GL_VERTEX_SHADER, "res/shader/lightSource.vs");
+	lightSourceProgram.AttachShader(GL_FRAGMENT_SHADER, "res/shader/lightSource.fs");
+	lightSourceProgram.Link();
+	lightSourceProgram.DetectAttribute("pos");
+	lightSourceProgram.DetectUniform("M");
+	lightSourceProgram.DetectUniform("V");
+	lightSourceProgram.DetectUniform("P");
+
+
 	//init gpu program
 	GPUProgram gpuProgram;
 	gpuProgram.AttachShader(GL_VERTEX_SHADER, "res/shader/test.vs");
@@ -126,8 +138,10 @@ INT WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _
 	gpuProgram.DetectUniform("U_EyePos");
 
 	//init 3d model
-	ObjModel obj;
+	ObjModel obj,quad,sphere;
 	obj.Init("res/model/Cube.obj");
+	quad.Init("res/model/Quad.obj");
+	sphere.Init("res/model/Sphere.obj");
 
 	float identity[] = {
 		1.0f,0,0,0,
@@ -141,10 +155,10 @@ INT WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _
 	float diffuseLightColor[] = { 1.0f,1.0f,1.0f,1.0f };
 	float diffuseMaterial[] = { 0.8f, 0.8f, 0.8f, 1.0f };
 	float lightPos[] = { 0.1f,3.0f, -2.2f,1.0f };
-	float diffuseIntensity = 4.0f;
+	float diffuseIntensity = 3.0f;
 
 	float spotLightDirection[] = { 0.0f, -1.0f, 0.0f, 128.0f };//°Ñ×îºóһλ¸Ä³É......
-	float spotLightCutoff = 15.0f;
+	float spotLightCutoff = 0.0f;
 
 
 	float specularLightColor[] = { 1.0f,1.0f,1.0f,1.0f };
@@ -152,11 +166,20 @@ INT WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _
 	float eyePos[] = { 0.0f, 0.0f, 0.0f };
 
 
-	glm::mat4 model = glm::translate<float>(0.0f, 0.0f, -2.5f) * glm::rotate(-60.0f, 1.0f, 1.0f, 1.0f);
-	glm::mat4 viewMatrix = glm::lookAt(glm::vec3(0.0f, 0.0f, 0.0f), glm::vec3(0.0f, 0.0f, -1.0f), glm::vec3(0.0f, 1.0f, 0.0f));
-	glm::mat4 projectionMatrix = glm::perspective(50.0f, 800.0f / 600.0f, 0.1f, 1000.0f);
+	glm::mat4 model = glm::translate<float>(0.0f, 0.0f, -2.0f) * glm::rotate(-60.0f, 1.0f, 1.0f, 1.0f);
 	glm::mat4 normalMatrix = glm::inverseTranspose(model);
 
+	glm::mat4 quadModel = glm::translate<float>(0.0f, 0.0f, -2.0f) * glm::rotate(-90.0f, 1.0f, 0.0f, 0.0f) * glm::scale(8.0f, 8.0f, 8.0f);
+	glm::mat4 quadNormalMatrix = glm::inverseTranspose(quadModel);
+
+	glm::mat4 sphereModel = glm::translate<float>(0.1f, 3.0f, -2.2f) * glm::scale(0.2f, 0.2f, 0.2f);
+	glm::mat4 sphereNormalMatrix = glm::inverseTranspose(sphereModel);
+
+
+	glm::mat4 viewMatrix = glm::lookAt(glm::vec3(1.0f, 0.5f, -10.0f), glm::vec3(0.0f, 0.0f, -1.0f), glm::vec3(0.0f, 1.0f, 0.0f));
+	glm::mat4 projectionMatrix = glm::perspective(50.0f, 800.0f / 600.0f, 0.1f, 1000.0f);
+	
+
 	//³õʼ»¯fsq
 	FullScreenQuad fsq;
 	fsq.Init();
@@ -176,7 +199,7 @@ INT WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _
 	ShowWindow(hwnd, SW_SHOW);
 	UpdateWindow(hwnd);
 
-	glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
+	glClearColor(0.1f, 0.1f, 0.1f, 1.0f);
 	MSG msg;
 	while (true)
 	{
@@ -212,12 +235,25 @@ INT WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _
 		glUniformMatrix4fv(gpuProgram.GetLocation("NM"), 1, GL_FALSE, glm::value_ptr(normalMatrix));
 		obj.Bind(gpuProgram.GetLocation("pos"), gpuProgram.GetLocation("texcoord"), gpuProgram.GetLocation("normal"));
 		obj.Draw();
+
+		glUniformMatrix4fv(gpuProgram.GetLocation("M"), 1, GL_FALSE, glm::value_ptr(quadModel));
+		glUniformMatrix4fv(gpuProgram.GetLocation("NM"), 1, GL_FALSE, glm::value_ptr(quadNormalMatrix));
+		quad.Bind(gpuProgram.GetLocation("pos"), gpuProgram.GetLocation("texcoord"), gpuProgram.GetLocation("normal"));
+		quad.Draw();
+
+
+		glUseProgram(lightSourceProgram.mProgram);
+		glUniformMatrix4fv(lightSourceProgram.GetLocation("M"), 1, GL_FALSE, glm::value_ptr(sphereModel));
+		glUniformMatrix4fv(lightSourceProgram.GetLocation("V"), 1, GL_FALSE, glm::value_ptr(viewMatrix));
+		glUniformMatrix4fv(lightSourceProgram.GetLocation("P"), 1, GL_FALSE, glm::value_ptr(projectionMatrix));
+		sphere.Bind(lightSourceProgram.GetLocation("pos"), lightSourceProgram.GetLocation("texcoord"), lightSourceProgram.GetLocation("normal"));
+		sphere.Draw();
+
 		glUseProgram(0);
 		HDRfbo.Unbind();
 
 		glFlush();
 
-		glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
 		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 		glActiveTexture(GL_TEXTURE0);
 

res/shader/hdr.fs

@@ -68,7 +68,7 @@ void main()
 
 	//gl_FragColor = ambientColor + diffuseColor;
 
-	vec4 color = ambientColor + diffuseColor;
+	vec4 color = ambientColor + diffuseColor + specularColor;
 	
 
 	if(color.r > 1.0){

res/shader/lightSource.fs

@@ -0,0 +1,8 @@
+uniform vec4 U_AmbientLightColor;
+uniform vec4 U_AmbientMaterial;
+uniform vec4 U_LightPos;
+void main()
+{
+	gl_FragData[0] = vec4(1.0);
+	gl_FragData[1] = vec4(1.0);
+}

res/shader/lightSource.vs

@@ -0,0 +1,10 @@
+attribute vec3 pos;
+
+uniform mat4 M;
+uniform mat4 P;
+uniform mat4 V;
+
+void main()
+{
+	gl_Position=P*V*M*vec4(pos,1.0);
+}

shader3.vcxproj

@@ -89,6 +89,8 @@
     <None Include="res\shader\fullscreenquad_gaussian_vertical.fs" />
     <None Include="res\shader\hdr.fs" />
     <None Include="res\shader\hdrrender.fs" />
+    <None Include="res\shader\lightSource.fs" />
+    <None Include="res\shader\lightSource.vs" />
     <None Include="res\shader\test.fs" />
     <None Include="res\shader\test.vs" />
   </ItemGroup>

shader3.vcxproj.filters

@@ -73,5 +73,11 @@
     <None Include="res\shader\combine.fs">
       <Filter>src</Filter>
     </None>
+    <None Include="res\shader\lightSource.fs">
+      <Filter>src</Filter>
+    </None>
+    <None Include="res\shader\lightSource.vs">
+      <Filter>src</Filter>
+    </None>
   </ItemGroup>
 </Project>