1 /*
2  * Copyright 2013 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 
18 #ifndef SF_GLES11RENDERENGINE_H_
19 #define SF_GLES11RENDERENGINE_H_
20 
21 #include <stdint.h>
22 #include <sys/types.h>
23 
24 #include <GLES/gl.h>
25 #include <Transform.h>
26 
27 #include "RenderEngine.h"
28 
29 // ---------------------------------------------------------------------------
30 namespace android {
31 // ---------------------------------------------------------------------------
32 
33 class String8;
34 class Mesh;
35 class Texture;
36 
37 class GLES11RenderEngine : public RenderEngine {
38     GLuint mProtectedTexName;
39     GLint mMaxViewportDims[2];
40     GLint mMaxTextureSize;
41 
42     virtual void bindImageAsFramebuffer(EGLImageKHR image,
43             uint32_t* texName, uint32_t* fbName, uint32_t* status);
44     virtual void unbindFramebuffer(uint32_t texName, uint32_t fbName);
45 
46 public:
47     GLES11RenderEngine();
48 
49 protected:
50     virtual ~GLES11RenderEngine();
51 
52     virtual void dump(String8& result);
53     virtual void setViewportAndProjection(size_t vpw, size_t vph,
54             Rect sourceCrop, size_t hwh, bool yswap, Transform::orientation_flags rotation);
55     virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque, int alpha);
56     virtual void setupDimLayerBlending(int alpha);
57     virtual void setupLayerTexturing(const Texture& texture);
58     virtual void setupLayerBlackedOut();
59     virtual void setupFillWithColor(float r, float g, float b, float a) ;
60     virtual void disableTexturing();
61     virtual void disableBlending();
62 
63     virtual void drawMesh(const Mesh& mesh);
64 
65     virtual void beginGroup(const mat4& colorTransform);
66     virtual void endGroup();
67 
68     virtual size_t getMaxTextureSize() const;
69     virtual size_t getMaxViewportDims() const;
70 };
71 
72 // ---------------------------------------------------------------------------
73 }; // namespace android
74 // ---------------------------------------------------------------------------
75 
76 #endif /* SF_GLES11RENDERENGINE_H_ */
77