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      1 /*
      2  * Copyright (C) 2014 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 #include <GLES2/gl2.h>
     18 #include <GLES2/gl2ext.h>
     19 
     20 #include <utils/Log.h>
     21 
     22 #include "GLUtils.h"
     23 
     24 #if DEBUG_OPENGL >= DEBUG_LEVEL_HIGH && !defined(HWUI_GLES_WRAP_ENABLED)
     25 #error Setting DEBUG_OPENGL to HIGH requires setting HWUI_ENABLE_OPENGL_VALIDATION to true in the Android.mk!
     26 #endif
     27 
     28 namespace android {
     29 namespace uirenderer {
     30 
     31 bool GLUtils::dumpGLErrors() {
     32 #if DEBUG_OPENGL >= DEBUG_LEVEL_HIGH
     33     // If DEBUG_LEVEL_HIGH is set then every GLES call is already wrapped
     34     // and asserts that there was no error. So this can just return success.
     35     return false;
     36 #else
     37     bool errorObserved = false;
     38     GLenum status = GL_NO_ERROR;
     39     while ((status = glGetError()) != GL_NO_ERROR) {
     40         errorObserved = true;
     41         switch (status) {
     42             case GL_INVALID_ENUM:
     43                 ALOGE("GL error:  GL_INVALID_ENUM");
     44                 break;
     45             case GL_INVALID_VALUE:
     46                 ALOGE("GL error:  GL_INVALID_VALUE");
     47                 break;
     48             case GL_INVALID_OPERATION:
     49                 ALOGE("GL error:  GL_INVALID_OPERATION");
     50                 break;
     51             case GL_OUT_OF_MEMORY:
     52                 ALOGE("GL error:  Out of memory!");
     53                 break;
     54             default:
     55                 ALOGE("GL error: 0x%x", status);
     56         }
     57     }
     58     return errorObserved;
     59 #endif
     60 }
     61 
     62 const char* GLUtils::getGLFramebufferError() {
     63     switch (glCheckFramebufferStatus(GL_FRAMEBUFFER)) {
     64         case GL_FRAMEBUFFER_COMPLETE:
     65             return "GL_FRAMEBUFFER_COMPLETE";
     66         case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT:
     67             return "GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT";
     68         case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:
     69             return "GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";
     70         case GL_FRAMEBUFFER_UNSUPPORTED:
     71             return "GL_FRAMEBUFFER_UNSUPPORTED";
     72         case GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS:
     73             return "GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS";
     74         default:
     75             return "Unknown error";
     76     }
     77 }
     78 
     79 }  // namespace uirenderer
     80 }  // namespace android
     81