Some groundwork for cubemaps.

2016-02-23 16:00:43 +01:00
parent 4ffb03fdd5
commit 91b0ac5fbd
13 changed files with 126 additions and 14 deletions
@@ -0,0 +1,39 @@
+#include "Rendering/CubeMapPass.h"
+
+CubeMapPass::CubeMapPass(IRenderer* renderer)
+    :m_Renderer(renderer)
+{
+    LoadTextures();
+    GenerateCubeMapTexture();
+}
+
+/*
+
+*/
+
+void CubeMapPass::LoadTextures()
+{
+    for (int i = 0; i < 6; i++){
+        std::string str;
+        str = "Textures/Test/CubeMap/CubeMapTest0" + std::to_string(i) + ".png";
+        Texture* img = ResourceManager::Load<Texture>(str);
+        m_CubeMapTestTextures.push_back(img);
+    }
+}
+
+void CubeMapPass::GenerateCubeMapTexture()
+{
+    glGenTextures(1, &m_CubeMapTexture);
+    glBindTexture(GL_TEXTURE_CUBE_MAP, m_CubeMapTexture);
+
+    for (int i = 0; i < 6; i++) {
+        glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL_RGBA32F, 256, 256, 0, GL_RGBA, GL_UNSIGNED_BYTE, m_CubeMapTestTextures[i]->Data);
+    }
+    glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+    glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+    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);
+    GLERROR("Generate Cubemap");
+}
+