Refactoring of Program ownership/lifecycle, and WIP Glop rendering path

Change-Id: I2549032790bddbc048b0bccc224ed8f386b4517c
diff --git a/libs/hwui/GammaFontRenderer.h b/libs/hwui/GammaFontRenderer.h
index 19352d7..ca55bf1 100644
--- a/libs/hwui/GammaFontRenderer.h
+++ b/libs/hwui/GammaFontRenderer.h
@@ -38,7 +38,7 @@
     virtual uint32_t getFontRendererSize(uint32_t fontRenderer, GLenum format) const = 0;
 
     virtual void describe(ProgramDescription& description, const SkPaint* paint) const = 0;
-    virtual void setupProgram(ProgramDescription& description, Program* program) const = 0;
+    virtual void setupProgram(ProgramDescription& description, Program& program) const = 0;
 
     virtual void endPrecaching() = 0;
 
@@ -86,7 +86,7 @@
     }
 
     void describe(ProgramDescription& description, const SkPaint* paint) const override;
-    void setupProgram(ProgramDescription& description, Program* program) const override;
+    void setupProgram(ProgramDescription& description, Program& program) const override;
 
     void endPrecaching() override;
 
@@ -135,7 +135,7 @@
     void describe(ProgramDescription& description, const SkPaint* paint) const override {
     }
 
-    void setupProgram(ProgramDescription& description, Program* program) const override {
+    void setupProgram(ProgramDescription& description, Program& program) const override {
     }
 
     void endPrecaching() override;
@@ -171,7 +171,7 @@
     void describe(ProgramDescription& description, const SkPaint* paint) const override {
     }
 
-    void setupProgram(ProgramDescription& description, Program* program) const override {
+    void setupProgram(ProgramDescription& description, Program& program) const override {
     }
 
     void endPrecaching() override;