init hdr buffer
This commit is contained in:
Natalia Nowakowska
parent
1a1441e98a
commit
92af34a58d
@ -3,42 +3,21 @@
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float AMBIENT = 0.1;
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uniform vec3 lightPos;
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uniform vec3 lightColor;
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in vec3 vecNormal;
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in vec3 worldPos;
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in vec2 vtc;
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vec4 textureColor;
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out vec4 outColor;
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vec3 outputColor;
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uniform sampler2D colorTexture;
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vec3 toneMapping(vec3 color){
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float exposure = 0.06;
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vec3 mapped = 1 - exp(-color*exposure);
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return mapped;
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}
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void main()
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{
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vec3 lightDir = normalize(lightPos - worldPos);
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vec3 normal = normalize(vecNormal);
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<<<<<<<< HEAD:grk/cw 6/shaders/shader_sun.frag
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//float diffuse = max(0, dot(normal, lightDir));
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vec4 textureColor = texture2D(colorTexture, vtc);
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outColor = vec4(vec3(textureColor) * 1.5, 1.0);
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========
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float diffuse = max(0, dot(normal, lightDir));
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textureColor = texture2D(colorTexture, vtc);
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vec3 distance = lightColor/(lightPos - worldPos)*(lightPos - worldPos);
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outputColor = vec3(textureColor) * min(1, AMBIENT + diffuse)* distance;
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//gamma correction
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//outputColor = pow(outputColor, vec3(1.0/2.2));
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outputColor = toneMapping(outputColor);
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outColor = vec4(outputColor , 1.0);
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>>>>>>>> hdr:grk/cw 6/shaders/shader_5_1_tex.frag
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}
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}
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@ -50,7 +50,6 @@ GLuint program;
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GLuint programSun;
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GLuint programDepth;
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GLuint programTex;
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GLuint programTest;
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Core::Shader_Loader shaderLoader;
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@ -66,7 +65,14 @@ GLuint VAO, VBO;
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float aspectRatio = 1.77f;
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float aspectRatio = 1.f;
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unsigned int hdrFBO;
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unsigned int colorBuffers[2];
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unsigned int depthMap;
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unsigned int depthMapFBO;
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int HDR_WIDTH = 1024;
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int HDR_HEIGHT = 1024;
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glm::vec3 lightColor = glm::vec3(50, 50, 50);
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@ -170,29 +176,6 @@ void initDepthMap() {
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glBindFramebuffer(GL_FRAMEBUFFER, 0);
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}
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void renderShadowapSun(GLFWwindow* window) {
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int width = 500, height = 500;
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glfwGetWindowSize(window, &width, &height);
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float time = glfwGetTime();
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glViewport(0, 0, HDR_WIDTH, HDR_HEIGHT);
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//uzupelnij o renderowanie glebokosci do tekstury
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glUseProgram(programDepth);
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//ustawianie przestrzeni rysowania
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glViewport(0, 0, HDR_WIDTH, HDR_HEIGHT);
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//bindowanie FBO
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glBindFramebuffer(GL_FRAMEBUFFER, depthMapFBO);
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//czyszczenie mapy głębokości
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glClear(GL_DEPTH_BUFFER_BIT);
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//ustawianie programu
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glUseProgram(programDepth);
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glBindFramebuffer(GL_FRAMEBUFFER, 0);
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//glViewport(0, 0, WIDTH, HEIGHT);
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}
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void drawObjectTexture(Core::RenderContext& context, glm::mat4 modelMatrix, GLuint texture) {
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glUseProgram(programTex);
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@ -231,18 +214,6 @@ void drawObjectColor(Core::RenderContext& context, glm::mat4 modelMatrix, glm::v
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glUseProgram(0);
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}
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void drawObjectDepth(Core::RenderContext& context, glm::mat4 viewProjection, glm::mat4 modelMatrix) {
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glUseProgram(programDepth);
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glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
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glm::mat4 transformation = viewProjectionMatrix * modelMatrix;
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glUniformMatrix4fv(glGetUniformLocation(programDepth, "viewProjectionMatrix"), 1, GL_FALSE, (float*)&viewProjectionMatrix);
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glUniformMatrix4fv(glGetUniformLocation(programDepth, "modelMatrix"), 1, GL_FALSE, (float*)&modelMatrix);
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Core::DrawContext(context);
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glUseProgram(0);
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}
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void drawObjectPBR(Core::RenderContext& context, glm::mat4 modelMatrix, glm::vec3 color, float roughness, float metallic) {
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glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
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@ -272,7 +243,7 @@ void drawObjectPBR(Core::RenderContext& context, glm::mat4 modelMatrix, glm::vec
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Core::DrawContext(context);
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}
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*/
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void renderScene(GLFWwindow* window)
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{
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@ -280,7 +251,7 @@ void renderScene(GLFWwindow* window)
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glm::mat4 transformation;
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float time = glfwGetTime();
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/*
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glm::mat4 mercuryScale = glm::scale(glm::vec3(0.24));
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glm::mat4 mercuryRotate = glm::rotate(time * 0.24f, glm::vec3(0, 1, 0));
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@ -302,9 +273,9 @@ void renderScene(GLFWwindow* window)
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glm::mat4 marsRotate = glm::rotate(time * 1.8f, glm::vec3(0, 1, 0));
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glm::mat4 marsTranslate = glm::translate(glm::vec3(0, 0, -9));
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glm::mat4 shipScale = glm::scale(glm::vec3(0.3));
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glm::mat4 shipRotate = createShipMatrix();
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glm::mat4 shipTranslate = glm::translate(shipPos);
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//glm::mat4 shipScale = glm::scale(glm::vec3(0.3));
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//glm::mat4 shipRotate = createShipMatrix();
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//glm::mat4 shipTranslate = glm::translate(shipPos);
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//glUseProgram(program);
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//glUniform3f(glGetUniformLocation(program, "lightDir"), 1.0, -1.0, 0.0);
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@ -313,6 +284,7 @@ void renderScene(GLFWwindow* window)
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//glUniform3f(glGetUniformLocation(program, "lightPos"), 0.0, 0.0, 0.0);
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//glUseProgram(0);
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drawObjectColor(sphereContext, sunScale, glm::vec3(0.9, 0.9, 0.2)); //sun
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drawObjectTexture(sphereContext, mercuryRotate * mercuryTranslate * mercuryScale, texture::mercury); //mercury
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@ -343,16 +315,6 @@ void renderScene(GLFWwindow* window)
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drawObjectTexture(sphereContext, planetTranslate * planetRotate * planetScale, texture::earth);
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glm::mat4 lightVP = glm::ortho(-10.f, 10.f, -10.f, 10.f, 1.0f, 30.0f) * glm::lookAt(sunPos, sunPos - sunDir, glm::vec3(0, 1, 0));
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drawObjectDepth(sphereContext, lightVP, sunScale);
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drawObjectDepth(sphereContext, lightVP, mercuryRotate * mercuryTranslate * mercuryScale);
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drawObjectDepth(sphereContext, lightVP, venusRotate * venusTranslate * venusScale);
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drawObjectDepth(sphereContext, lightVP, earthRotate * earthTranslate * earthScale);
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drawObjectDepth(sphereContext, lightVP, marsRotate * marsTranslate * marsScale);
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drawObjectDepth(sphereContext, lightVP, shipTranslate * shipRotate * shipScale);
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glBindFramebuffer(GL_FRAMEBUFFER, 0);
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glUseProgram(0);
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glfwSwapBuffers(window);
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}
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@ -383,12 +345,8 @@ void init(GLFWwindow* window)
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//initDepthMap();
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initHDR();
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program = shaderLoader.CreateProgram("shaders/shader_5_1.vert", "shaders/shader_5_1.frag");
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programTex = shaderLoader.CreateProgram("shaders/shader_5_1_tex.vert", "shaders/shader_5_1_tex.frag");
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programDepth = shaderLoader.CreateProgram("shaders/shader_smap.vert", "shaders/shader_smap.frag");
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//programTest = shaderLoader.CreateProgram("shaders/test.vert", "shaders/test.frag");
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programSun = shaderLoader.CreateProgram("shaders/shader_5_sun.vert", "shaders/shader_5_sun.frag");
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program = shaderLoader.CreateProgram("shaders/shader.vert", "shaders/shader.frag");
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programTex = shaderLoader.CreateProgram("shaders/shader_tex.vert", "shaders/shader_tex.frag");
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programSun = shaderLoader.CreateProgram("shaders/shader_sun.vert", "shaders/shader_sun.frag");
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@ -410,8 +368,8 @@ void processInput(GLFWwindow* window)
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{
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glm::vec3 cameraSide = glm::normalize(glm::cross(cameraDir, glm::vec3(0.f, 1.f, 0.f)));
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float angleSpeed = 0.002f;
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float moveSpeed = 0.004f;
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float angleSpeed = 0.02f;
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float moveSpeed = 0.04f;
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if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS) {
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glfwSetWindowShouldClose(window, true);
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