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// ---------------------------------------------------------------------------
30namespace android {
31// ---------------------------------------------------------------------------
32
33class String8;
34class Mesh;
35class Texture;
36
37class 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
46public:
47    GLES11RenderEngine();
48
49protected:
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,
55            Transform::orientation_flags rotation);
56#ifdef USE_HWC2
57    virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque,
58            float alpha) override;
59    virtual void setupDimLayerBlending(float alpha) override;
60#else
61    virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque,
62            int alpha);
63    virtual void setupDimLayerBlending(int alpha);
64#endif
65    virtual void setupLayerTexturing(const Texture& texture);
66    virtual void setupLayerBlackedOut();
67    virtual void setupFillWithColor(float r, float g, float b, float a) ;
68    virtual void disableTexturing();
69    virtual void disableBlending();
70
71    virtual void drawMesh(const Mesh& mesh);
72
73    virtual size_t getMaxTextureSize() const;
74    virtual size_t getMaxViewportDims() const;
75};
76
77// ---------------------------------------------------------------------------
78}; // namespace android
79// ---------------------------------------------------------------------------
80
81#endif /* SF_GLES11RENDERENGINE_H_ */
82