SurfaceFlinger now uses GLES 2.x when available
Bug: 8679321
Change-Id: I2b152d01fb4e2de2ea9fe87f1ddbd6826d7520d7
diff --git a/services/surfaceflinger/RenderEngine/Description.h b/services/surfaceflinger/RenderEngine/Description.h
new file mode 100644
index 0000000..47b0d8e
--- /dev/null
+++ b/services/surfaceflinger/RenderEngine/Description.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <GLES2/gl2.h>
+
+#ifndef SF_RENDER_ENGINE_DESCRIPTION_H_
+#define SF_RENDER_ENGINE_DESCRIPTION_H_
+
+namespace android {
+
+class Program;
+
+/*
+ * This holds the state of the rendering engine. This class is used
+ * to generate a corresponding GLSL program and set the appropriate
+ * uniform.
+ *
+ * Program and ProgramCache are friends and access the state directly
+ */
+class Description {
+ friend class Program;
+ friend class ProgramCache;
+
+ // value of the plane-alpha, between 0 and 1
+ GLclampf mPlaneAlpha;
+ // whether textures are premultiplied
+ bool mPremultipliedAlpha;
+ // whether this layer is marked as opaque
+ bool mOpaque;
+ // texture target, TEXTURE_2D or TEXTURE_EXTERNAL
+ GLenum mTextureTarget;
+
+ // name of the texture
+ GLuint mTextureName;
+ // color used when texturing is disabled
+ GLclampf mColor[4];
+ // projection matrix
+ GLfloat mProjectionMatrix[16];
+ // texture matrix
+ GLfloat mTextureMatrix[16];
+
+public:
+ Description();
+ ~Description();
+
+ void setPlaneAlpha(GLclampf planeAlpha);
+ void setPremultipliedAlpha(bool premultipliedAlpha);
+ void setOpaque(bool opaque);
+ void setTextureName(GLenum target, GLuint tname);
+ void disableTexture();
+ void setColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
+ void setProjectionMatrix(GLfloat const* mtx);
+ void setTextureMatrix(GLfloat const* mtx);
+
+private:
+ bool mUniformsDirty;
+};
+
+} /* namespace android */
+
+#endif /* SF_RENDER_ENGINE_DESCRIPTION_H_ */