1 /*
2  * Copyright (C) 2010 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ANDROID_HWUI_EXTENSIONS_H
18 #define ANDROID_HWUI_EXTENSIONS_H
19 
20 namespace android {
21 namespace uirenderer {
22 
23 ///////////////////////////////////////////////////////////////////////////////
24 // Classes
25 ///////////////////////////////////////////////////////////////////////////////
26 
27 class Extensions {
28 public:
29     Extensions();
30 
hasNPot()31     inline bool hasNPot() const { return mHasNPot; }
hasFramebufferFetch()32     inline bool hasFramebufferFetch() const { return mHasFramebufferFetch; }
hasDiscardFramebuffer()33     inline bool hasDiscardFramebuffer() const { return mHasDiscardFramebuffer; }
hasDebugMarker()34     inline bool hasDebugMarker() const { return mHasDebugMarker; }
has1BitStencil()35     inline bool has1BitStencil() const { return mHas1BitStencil; }
has4BitStencil()36     inline bool has4BitStencil() const { return mHas4BitStencil; }
hasUnpackRowLength()37     inline bool hasUnpackRowLength() const { return mVersionMajor >= 3 || mHasUnpackSubImage; }
hasPixelBufferObjects()38     inline bool hasPixelBufferObjects() const { return mVersionMajor >= 3; }
hasOcclusionQueries()39     inline bool hasOcclusionQueries() const { return mVersionMajor >= 3; }
hasFloatTextures()40     inline bool hasFloatTextures() const { return mVersionMajor >= 3; }
hasRenderableFloatTextures()41     inline bool hasRenderableFloatTextures() const {
42         return (mVersionMajor >= 3 && mVersionMinor >= 2) || mHasRenderableFloatTexture;
43     }
hasSRGB()44     inline bool hasSRGB() const { return mHasSRGB; }
hasSRGBWriteControl()45     inline bool hasSRGBWriteControl() const { return hasSRGB() && mHasSRGBWriteControl; }
hasLinearBlending()46     inline bool hasLinearBlending() const { return hasSRGB() && mHasLinearBlending; }
47 
getMajorGlVersion()48     inline int getMajorGlVersion() const { return mVersionMajor; }
getMinorGlVersion()49     inline int getMinorGlVersion() const { return mVersionMinor; }
50 
51 private:
52     bool mHasNPot;
53     bool mHasFramebufferFetch;
54     bool mHasDiscardFramebuffer;
55     bool mHasDebugMarker;
56     bool mHas1BitStencil;
57     bool mHas4BitStencil;
58     bool mHasUnpackSubImage;
59     bool mHasSRGB;
60     bool mHasSRGBWriteControl;
61     bool mHasLinearBlending;
62     bool mHasRenderableFloatTexture;
63 
64     int mVersionMajor;
65     int mVersionMinor;
66 };  // class Extensions
67 
68 };  // namespace uirenderer
69 };  // namespace android
70 
71 #endif  // ANDROID_HWUI_EXTENSIONS_H
72