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:
SetUp()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, NULL);
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
TearDown()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
fillRGBA8BufferSolid(uint8_t * buf,int w,int h,int stride,uint8_t r,uint8_t g,uint8_t b,uint8_t a)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