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      1 /*
      2 * Copyright (C) 2011 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 #ifndef _LIBRENDER_FBCONFIG_H
     17 #define _LIBRENDER_FBCONFIG_H
     18 
     19 #include <EGL/egl.h>
     20 #include <GLES/gl.h>
     21 
     22 class FrameBuffer;
     23 
     24 enum InitConfigStatus {
     25     INIT_CONFIG_FAILED = 0,
     26     INIT_CONFIG_PASSED = 1
     27 };
     28 
     29 class FBConfig
     30 {
     31 public:
     32     static InitConfigStatus initConfigList(FrameBuffer *fb);
     33     static const FBConfig *get(int p_config);
     34     static int getNumConfigs();
     35     static int getNumAttribs() { return s_numConfigAttribs; }
     36     static void packConfigsInfo(GLuint *buffer);
     37     static int chooseConfig(FrameBuffer *fb, EGLint * attribs, uint32_t * configs, uint32_t configs_size);
     38     ~FBConfig();
     39 
     40     EGLConfig getEGLConfig() const { return m_eglConfig; }
     41     GLuint  getDepthSize() const { return (m_attribValues ? m_attribValues[0] : 0); }
     42     GLuint  getStencilSize() const { return (m_attribValues ? m_attribValues[1] : 0); }
     43     GLuint  getRenderableType() const { return (m_attribValues ? m_attribValues[2] : 0); }
     44     GLuint getSurfaceType() const { return (m_attribValues ? m_attribValues[3] : 0); }
     45 
     46 private:
     47     FBConfig(EGLDisplay p_eglDpy, EGLConfig p_eglCfg);
     48 
     49 private:
     50     static FBConfig **s_fbConfigs;
     51     static int s_numConfigs;
     52     static const int s_numConfigAttribs;
     53     static const GLuint s_configAttribs[];
     54 
     55 private:
     56     EGLConfig m_eglConfig;
     57     GLint *m_attribValues;
     58 };
     59 
     60 #endif
     61