move old (unmaintained) gl backend out of src. src/gpu superceeds this now.

Will delete the files in obsolete/ at some point...



git-svn-id: http://skia.googlecode.com/svn/trunk@830 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 74 insertions, 0 deletions

diff --git a/obsolete/SkGLState.h b/obsolete/SkGLState.h
new file mode 100644
index 0000000000..565498ed96
--- /dev/null
+++ b/obsolete/SkGLState.h
@@ -0,0 +1,74 @@
+
+#ifndef SkGLState_DEFINED
+#define SkGLState_DEFINED
+
+#include "SkGL.h"
+#include "SkSize.h"
+
+class SkGLState {
+public:
+    static SkGLState& GlobalState() { return gState; }
+
+    SkGLState();
+    
+    void reset();
+
+    // internally, these are bit_shifts, so they must be 0, 1, ...
+    enum Caps {
+        kDITHER,
+        kTEXTURE_2D,
+    };
+    void enable(Caps);
+    void disable(Caps);
+    
+    // internally, these are bit_shifts, so they must be 0, 1, ...
+    enum ClientState {
+        kTEXTURE_COORD_ARRAY,
+        kCOLOR_ARRAY,
+    };
+    void enableClientState(ClientState);
+    void disableClientState(ClientState);
+
+    // we use -1 for unknown, so the enum must be >= 0
+    enum ShadeModel {
+        kFLAT,
+        kSMOOTH,
+    };
+    void shadeModel(ShadeModel);
+
+    void scissor(int x, int y, int w, int h);
+    
+    void color(SkColor c) {
+        this->pmColor(SkPreMultiplyColor(c));
+    }
+    void alpha(U8CPU a) {
+        this->pmColor((a << 24) | (a << 16) | (a << 8) | a);
+    }
+    void pmColor(SkPMColor);
+
+    void blendFunc(GLenum src, GLenum dst);
+    
+    void pointSize(float);
+    void lineWidth(float);
+
+private:
+    void init();
+
+    unsigned    fCapBits;
+    unsigned    fClientStateBits;
+    int         fShadeModel;
+    SkIPoint    fScissorLoc;
+    SkISize     fScissorSize;
+    SkPMColor   fPMColor;
+    GLenum      fSrcBlend, fDstBlend;
+    float       fPointSize;
+    float       fLineWidth;
+    
+    const GLenum* fCapsPtr;
+    const GLenum* fClientPtr;
+    const GLenum* fShadePtr;
+    
+    static SkGLState gState;
+};
+
+#endif