#ifndef WebGLTexture_h
#define WebGLTexture_h
-#include "CanvasObject.h"
+#include "WebGLObject.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
+#include <wtf/Vector.h>
namespace WebCore {
-
- class WebGLTexture : public CanvasObject {
- public:
- virtual ~WebGLTexture() { deleteObject(); }
-
- static PassRefPtr<WebGLTexture> create(WebGLRenderingContext*);
- bool isCubeMapRWrapModeInitialized() {
- return cubeMapRWrapModeInitialized;
+class WebGLTexture : public WebGLObject {
+public:
+ virtual ~WebGLTexture() { deleteObject(); }
+
+ static PassRefPtr<WebGLTexture> create(WebGLRenderingContext*);
+
+ void setTarget(unsigned long target, int maxLevel);
+ void setParameteri(unsigned long pname, int param);
+ void setParameterf(unsigned long pname, float param);
+
+ int getMinFilter() const { return m_minFilter; }
+
+ void setLevelInfo(unsigned long target, int level, unsigned long internalFormat, int width, int height, unsigned long type);
+
+ bool canGenerateMipmaps();
+ // Generate all level information.
+ void generateMipmapLevelInfo();
+
+ unsigned long getInternalFormat(int level) const;
+
+ // Whether width/height is NotPowerOfTwo.
+ static bool isNPOT(unsigned, unsigned);
+
+ bool isNPOT() const;
+ // Determine if texture sampling should always return [0, 0, 0, 1] (OpenGL ES 2.0 Sec 3.8.2).
+ bool needToUseBlackTexture() const;
+
+ static int computeLevelCount(int width, int height);
+
+protected:
+ WebGLTexture(WebGLRenderingContext*);
+
+ virtual void deleteObjectImpl(Platform3DObject);
+
+private:
+ virtual bool isTexture() const { return true; }
+
+ void update();
+
+ int mapTargetToIndex(unsigned long);
+
+ unsigned long m_target;
+
+ int m_minFilter;
+ int m_magFilter;
+ int m_wrapS;
+ int m_wrapT;
+
+ class LevelInfo {
+ public:
+ LevelInfo()
+ : valid(false)
+ , internalFormat(0)
+ , width(0)
+ , height(0)
+ , type(0)
+ {
}
- void setCubeMapRWrapModeInitialized(bool initialized) {
- cubeMapRWrapModeInitialized = initialized;
+ void setInfo(unsigned long internalFmt, int w, int h, unsigned long tp)
+ {
+ valid = true;
+ internalFormat = internalFmt;
+ width = w;
+ height = h;
+ type = tp;
}
- protected:
- WebGLTexture(WebGLRenderingContext*);
+ bool valid;
+ unsigned long internalFormat;
+ int width;
+ int height;
+ unsigned long type;
+ };
- virtual void _deleteObject(Platform3DObject);
+ Vector<Vector<LevelInfo> > m_info;
- private:
- virtual bool isTexture() const { return true; }
+ bool m_isNPOT;
+ bool m_isComplete;
+ bool m_needToUseBlackTexture;
+};
- bool cubeMapRWrapModeInitialized;
- };
-
} // namespace WebCore
#endif // WebGLTexture_h