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 #ifndef ANDROID_SURFACE_TEXTURE_FBO_H 18 #define ANDROID_SURFACE_TEXTURE_FBO_H 19 20 #include "SurfaceTextureGL.h" 21 22 #include <GLES2/gl2.h> 23 24 namespace android { 25 26 class SurfaceTextureFBOTest : public SurfaceTextureGLTest { 27 protected: 28 virtual void SetUp() { 29 SurfaceTextureGLTest::SetUp(); 30 31 glGenFramebuffers(1, &mFbo); 32 ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError()); 33 34 glGenTextures(1, &mFboTex); 35 glBindTexture(GL_TEXTURE_2D, mFboTex); 36 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, getSurfaceWidth(), 37 getSurfaceHeight(), 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); 38 glBindTexture(GL_TEXTURE_2D, 0); 39 ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError()); 40 41 glBindFramebuffer(GL_FRAMEBUFFER, mFbo); 42 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, 43 GL_TEXTURE_2D, mFboTex, 0); 44 glBindFramebuffer(GL_FRAMEBUFFER, 0); 45 ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError()); 46 } 47 48 virtual void TearDown() { 49 SurfaceTextureGLTest::TearDown(); 50 51 glDeleteTextures(1, &mFboTex); 52 glDeleteFramebuffers(1, &mFbo); 53 } 54 55 GLuint mFbo; 56 GLuint mFboTex; 57 }; 58 59 void fillRGBA8BufferSolid(uint8_t* buf, int w, int h, int stride, 60 uint8_t r, uint8_t g, uint8_t b, uint8_t a) { 61 const size_t PIXEL_SIZE = 4; 62 for (int y = 0; y < h; y++) { 63 for (int x = 0; x < w; x++) { 64 off_t offset = (y * stride + x) * PIXEL_SIZE; 65 buf[offset + 0] = r; 66 buf[offset + 1] = g; 67 buf[offset + 2] = b; 68 buf[offset + 3] = a; 69 } 70 } 71 } 72 73 } // namespace android 74 75 #endif 76
