OpenGL development.

modules/juce_opengl/opengl/juce_OpenGLGraphicsContext.h

@@ -75,13 +75,12 @@ public:
 
    #ifndef DOXYGEN
     class SavedState;
+    class GLState;
    #endif
 
 private:
+    ScopedPointer<GLState> glState;
     RenderingHelpers::SavedStateStack<SavedState> stack;
-    GLuint previousFrameBufferTarget;
-
-    void initialise();
 };
 
 #endif   // __JUCE_OPENGLGRAPHICSCONTEXT_JUCEHEADER__

modules/juce_opengl/opengl/juce_OpenGLTexture.cpp

@@ -49,22 +49,22 @@ void OpenGLTexture::create (const int w, const int h, const void* pixels, GLenum
 
     jassert (isValidSize (w, h)); // Perhaps these dimensions must be a power-of-two?
 
-    if (width != w || height != h)
-    {
-        release();
-
-        width  = w;
-        height = h;
+    width  = w;
+    height = h;
 
+    if (textureID == 0)
+    {
         glGenTextures (1, &textureID);
+        glBindTexture (GL_TEXTURE_2D, textureID);
+        glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+        glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+        glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+        glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+    }
+    else
+    {
+        glBindTexture (GL_TEXTURE_2D, textureID);
     }
-
-    glBindTexture (GL_TEXTURE_2D, textureID);
-
-    glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-    glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-    glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-    glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 
     glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
     glTexImage2D (GL_TEXTURE_2D, 0, type == GL_ALPHA ? GL_ALPHA : GL_RGBA,