New skyboxes

[opengl.git] / skybox.cpp

diff --git a/skybox.cpp b/skybox.cpp
index 3bf5f40ed679346a5babbc1f3190451f2976c925..c0a9ff63e75c539ef3eb62108c3325beeeff6c13 100644 (file)
--- a/skybox.cpp
+++ b/skybox.cpp
@@ -6,8 +6,8 @@ template <std::size_t N>
 GLuint setupVertices(GLuint progId, std::array<glm::vec3, N> vertices, bool reverse = false);
 
 // matrices used when capturing various environment maps
-glm::mat4 captureProj = glm::perspective(glm::radians(90.f), 1.f, 0.1f, 10.f);
-glm::mat4 captureViews[] = {
+const glm::mat4 captureProj = glm::perspective(glm::radians(90.f), 1.f, 0.1f, 10.f);
+const glm::mat4 captureViews[] = {
        glm::lookAt(glm::vec3(0, 0, 0), glm::vec3( 1,  0,  0), glm::vec3(0, -1,  0)),
        glm::lookAt(glm::vec3(0, 0, 0), glm::vec3(-1,  0,  0), glm::vec3(0, -1,  0)),
        glm::lookAt(glm::vec3(0, 0, 0), glm::vec3( 0,  1,  0), glm::vec3(0,  0,  1)),
@@ -19,7 +19,7 @@ glm::mat4 captureViews[] = {
 void Skybox::generatePrefilterMap() const {
        glBindTexture(GL_TEXTURE_CUBE_MAP, prefilterTexId);
        for (GLuint i = 0; i < 6; i++)
-               glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0 , GL_RGB16F, 128, 128, 0, GL_RGB, GL_FLOAT, nullptr);
+               glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0 , GL_RGB16F, 128, 128, 0, GL_RGB, GL_HALF_FLOAT, nullptr);
        glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
        glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
        glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
@@ -116,7 +116,7 @@ Skybox::Skybox(const Image img): program("skyboxvert.glsl", "skyboxfrag.glsl") {
        // setup cubemap texture
        glBindTexture(GL_TEXTURE_CUBE_MAP, cubemapTexId);
        for (GLuint i = 0; i < 6; i++)
-               glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL_RGB16F, CUBEMAP_WIDTH, CUBEMAP_HEIGHT, 0, GL_RGB, GL_FLOAT, nullptr);
+               glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL_RGB16F, CUBEMAP_WIDTH, CUBEMAP_HEIGHT, 0, GL_RGB, GL_HALF_FLOAT, nullptr);
        glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
        glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
        glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
@@ -145,7 +145,7 @@ Skybox::Skybox(const Image img): program("skyboxvert.glsl", "skyboxfrag.glsl") {
        // setup irradiance map texture
        glBindTexture(GL_TEXTURE_CUBE_MAP, irradianceTexId);
        for (GLuint i = 0; i < 6; i++)
-               glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL_RGB16F, 32, 32, 0, GL_RGB, GL_FLOAT, nullptr);
+               glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL_RGB16F, 32, 32, 0, GL_RGB, GL_HALF_FLOAT, nullptr);
        glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
        glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
        glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);