1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef ROSENRENDER_ROSEN_WEBGL_RENDERING_CONTEXT_BASIC_BASE 17 #define ROSENRENDER_ROSEN_WEBGL_RENDERING_CONTEXT_BASIC_BASE 18 19 #include <GLES2/gl2.h> 20 #include <EGL/egl.h> 21 #include <EGL/eglext.h> 22 #include "../canvas_render_context_base.h" 23 #include "webgl_context_attributes.h" 24 25 #ifdef __cplusplus 26 extern "C" { 27 #endif 28 29 namespace OHOS { 30 namespace Rosen { 31 class WebGLRenderingContextBasicBase : public OHOS::Ace::CanvasRenderContextBase { 32 public: 33 static WebGLRenderingContextBasicBase *instance; 34 WebGLRenderingContextBasicBase()35 WebGLRenderingContextBasicBase() {}; 36 ~WebGLRenderingContextBasicBase()37 virtual ~WebGLRenderingContextBasicBase() {}; 38 39 static WebGLRenderingContextBasicBase *GetContext(std::string id); 40 41 void SetEglWindow(void *window); 42 43 virtual void Create(void *context); 44 45 virtual void Init(); 46 47 virtual void Attach(uint64_t textureId); 48 49 virtual void Update(); 50 51 virtual void Detach(); 52 53 virtual void SetBitMapPtr(char *bitMapPtr, int bitMapWidth, int bitMapHeight); 54 55 virtual uint64_t CreateTexture(); 56 57 void SetTexture(uint64_t id); 58 59 virtual void SetUpdateCallback(std::function<void()>); 60 61 public: 62 GLuint frameBufferId = 0; 63 GLuint textureId = 0; 64 GLuint imgId = 0; 65 void drawImg(); 66 GLuint compileShader(GLenum type, const char *sources); 67 int useProgram(); 68 GLuint program = 0; 69 GLuint vertShader = 0; 70 GLuint fragShader = 0; 71 GLint uniformSampler = 0; 72 EGLSurface mEGLSurface = nullptr; 73 NativeWindow *mEglWindow = nullptr; 74 WebGLContextAttributes *webGlContextAttributes = nullptr; 75 char *mBitMapPtr = nullptr; 76 int mBitMapWidth = 0; 77 int mBitMapHeight = 0; 78 std::function<void()> mUpdateCallback; 79 }; 80 } // namespace Rosen 81 } // namespace OHOS 82 83 OHOS::Rosen::WebGLRenderingContextBasicBase *GetWebGLInstance(std::string id); 84 85 #ifdef __cplusplus 86 } 87 #endif 88 89 #endif // ROSENRENDER_ROSEN_WEBGL_RENDERING_CONTEXT_BASIC_BASE 90