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      1 
      2 /*
      3  * Copyright 2014 Google Inc.
      4  *
      5  * Use of this source code is governed by a BSD-style license that can be
      6  * found in the LICENSE file.
      7  */
      8 #include "SkTypes.h"
      9 #if defined(SK_BUILD_FOR_ANDROID)
     10 
     11 #include "gl/GrGLInterface.h"
     12 #include "gl/GrGLAssembleInterface.h"
     13 #include "gl/GrGLUtil.h"
     14 
     15 #include <EGL/egl.h>
     16 #include <GLES2/gl2.h>
     17 
     18 static GrGLFuncPtr android_get_gl_proc(void* ctx, const char name[]) {
     19     SkASSERT(nullptr == ctx);
     20     // Some older drivers on Android have busted eglGetProcAdddress Functions that
     21     // will return the wrong pointer for built in GLES2 functions. This set of functions
     22     // was generated on a Xoom by finding mismatches between the function pulled in via gl2.h and
     23     // the address returned by eglGetProcAddress.
     24     if (0 == strcmp("glActiveTexture", name)) {
     25         return (GrGLFuncPtr) glActiveTexture;
     26     } else if (0 == strcmp("glAttachShader", name)) {
     27         return (GrGLFuncPtr) glAttachShader;
     28     } else if (0 == strcmp("glBindAttribLocation", name)) {
     29         return (GrGLFuncPtr) glBindAttribLocation;
     30     } else if (0 == strcmp("glBindBuffer", name)) {
     31         return (GrGLFuncPtr) glBindBuffer;
     32     } else if (0 == strcmp("glBindTexture", name)) {
     33         return (GrGLFuncPtr) glBindTexture;
     34     } else if (0 == strcmp("glBlendColor", name)) {
     35         return (GrGLFuncPtr) glBlendColor;
     36     } else if (0 == strcmp("glBlendEquation", name)) {
     37         return (GrGLFuncPtr) glBlendEquation;
     38     } else if (0 == strcmp("glBlendFunc", name)) {
     39         return (GrGLFuncPtr) glBlendFunc;
     40     } else if (0 == strcmp("glBufferData", name)) {
     41         return (GrGLFuncPtr) glBufferData;
     42     } else if (0 == strcmp("glBufferSubData", name)) {
     43         return (GrGLFuncPtr) glBufferSubData;
     44     } else if (0 == strcmp("glClear", name)) {
     45         return (GrGLFuncPtr) glClear;
     46     } else if (0 == strcmp("glClearColor", name)) {
     47         return (GrGLFuncPtr) glClearColor;
     48     } else if (0 == strcmp("glClearStencil", name)) {
     49         return (GrGLFuncPtr) glClearStencil;
     50     } else if (0 == strcmp("glColorMask", name)) {
     51         return (GrGLFuncPtr) glColorMask;
     52     } else if (0 == strcmp("glCompileShader", name)) {
     53         return (GrGLFuncPtr) glCompileShader;
     54     } else if (0 == strcmp("glCompressedTexImage2D", name)) {
     55         return (GrGLFuncPtr) glCompressedTexImage2D;
     56     } else if (0 == strcmp("glCompressedTexSubImage2D", name)) {
     57         return (GrGLFuncPtr) glCompressedTexSubImage2D;
     58     } else if (0 == strcmp("glCopyTexSubImage2D", name)) {
     59         return (GrGLFuncPtr) glCopyTexSubImage2D;
     60     } else if (0 == strcmp("glCreateProgram", name)) {
     61         return (GrGLFuncPtr) glCreateProgram;
     62     } else if (0 == strcmp("glCreateShader", name)) {
     63         return (GrGLFuncPtr) glCreateShader;
     64     } else if (0 == strcmp("glCullFace", name)) {
     65         return (GrGLFuncPtr) glCullFace;
     66     } else if (0 == strcmp("glDeleteBuffers", name)) {
     67         return (GrGLFuncPtr) glDeleteBuffers;
     68     } else if (0 == strcmp("glDeleteProgram", name)) {
     69         return (GrGLFuncPtr) glDeleteProgram;
     70     } else if (0 == strcmp("glDeleteShader", name)) {
     71         return (GrGLFuncPtr) glDeleteShader;
     72     } else if (0 == strcmp("glDeleteTextures", name)) {
     73         return (GrGLFuncPtr) glDeleteTextures;
     74     } else if (0 == strcmp("glDepthMask", name)) {
     75         return (GrGLFuncPtr) glDepthMask;
     76     } else if (0 == strcmp("glDisable", name)) {
     77         return (GrGLFuncPtr) glDisable;
     78     } else if (0 == strcmp("glDisableVertexAttribArray", name)) {
     79         return (GrGLFuncPtr) glDisableVertexAttribArray;
     80     } else if (0 == strcmp("glDrawArrays", name)) {
     81         return (GrGLFuncPtr) glDrawArrays;
     82     } else if (0 == strcmp("glDrawElements", name)) {
     83         return (GrGLFuncPtr) glDrawElements;
     84     } else if (0 == strcmp("glEnable", name)) {
     85         return (GrGLFuncPtr) glEnable;
     86     } else if (0 == strcmp("glEnableVertexAttribArray", name)) {
     87         return (GrGLFuncPtr) glEnableVertexAttribArray;
     88     } else if (0 == strcmp("glFinish", name)) {
     89         return (GrGLFuncPtr) glFinish;
     90     } else if (0 == strcmp("glFlush", name)) {
     91         return (GrGLFuncPtr) glFlush;
     92     } else if (0 == strcmp("glFrontFace", name)) {
     93         return (GrGLFuncPtr) glFrontFace;
     94     } else if (0 == strcmp("glGenBuffers", name)) {
     95         return (GrGLFuncPtr) glGenBuffers;
     96     } else if (0 == strcmp("glGenerateMipmap", name)) {
     97         return (GrGLFuncPtr) glGenerateMipmap;
     98     } else if (0 == strcmp("glGenTextures", name)) {
     99         return (GrGLFuncPtr) glGenTextures;
    100     } else if (0 == strcmp("glGetBufferParameteriv", name)) {
    101         return (GrGLFuncPtr) glGetBufferParameteriv;
    102     } else if (0 == strcmp("glGetError", name)) {
    103         return (GrGLFuncPtr) glGetError;
    104     } else if (0 == strcmp("glGetIntegerv", name)) {
    105         return (GrGLFuncPtr) glGetIntegerv;
    106     } else if (0 == strcmp("glGetProgramInfoLog", name)) {
    107         return (GrGLFuncPtr) glGetProgramInfoLog;
    108     } else if (0 == strcmp("glGetProgramiv", name)) {
    109         return (GrGLFuncPtr) glGetProgramiv;
    110     } else if (0 == strcmp("glGetShaderInfoLog", name)) {
    111         return (GrGLFuncPtr) glGetShaderInfoLog;
    112     } else if (0 == strcmp("glGetShaderiv", name)) {
    113         return (GrGLFuncPtr) glGetShaderiv;
    114     } else if (0 == strcmp("glGetString", name)) {
    115         return (GrGLFuncPtr) glGetString;
    116     } else if (0 == strcmp("glGetUniformLocation", name)) {
    117         return (GrGLFuncPtr) glGetUniformLocation;
    118     } else if (0 == strcmp("glLineWidth", name)) {
    119         return (GrGLFuncPtr) glLineWidth;
    120     } else if (0 == strcmp("glLinkProgram", name)) {
    121         return (GrGLFuncPtr) glLinkProgram;
    122     } else if (0 == strcmp("glPixelStorei", name)) {
    123         return (GrGLFuncPtr) glPixelStorei;
    124     } else if (0 == strcmp("glReadPixels", name)) {
    125         return (GrGLFuncPtr) glReadPixels;
    126     } else if (0 == strcmp("glScissor", name)) {
    127         return (GrGLFuncPtr) glScissor;
    128     } else if (0 == strcmp("glShaderSource", name)) {
    129         return (GrGLFuncPtr) glShaderSource;
    130     } else if (0 == strcmp("glStencilFunc", name)) {
    131         return (GrGLFuncPtr) glStencilFunc;
    132     } else if (0 == strcmp("glStencilFuncSeparate", name)) {
    133         return (GrGLFuncPtr) glStencilFuncSeparate;
    134     } else if (0 == strcmp("glStencilMask", name)) {
    135         return (GrGLFuncPtr) glStencilMask;
    136     } else if (0 == strcmp("glStencilMaskSeparate", name)) {
    137         return (GrGLFuncPtr) glStencilMaskSeparate;
    138     } else if (0 == strcmp("glStencilOp", name)) {
    139         return (GrGLFuncPtr) glStencilOp;
    140     } else if (0 == strcmp("glStencilOpSeparate", name)) {
    141         return (GrGLFuncPtr) glStencilOpSeparate;
    142     } else if (0 == strcmp("glTexImage2D", name)) {
    143         return (GrGLFuncPtr) glTexImage2D;
    144     } else if (0 == strcmp("glTexParameteri", name)) {
    145         return (GrGLFuncPtr) glTexParameteri;
    146     } else if (0 == strcmp("glTexParameteriv", name)) {
    147         return (GrGLFuncPtr) glTexParameteriv;
    148     } else if (0 == strcmp("glTexSubImage2D", name)) {
    149         return (GrGLFuncPtr) glTexSubImage2D;
    150     } else if (0 == strcmp("glUniform1f", name)) {
    151         return (GrGLFuncPtr) glUniform1f;
    152     } else if (0 == strcmp("glUniform1i", name)) {
    153         return (GrGLFuncPtr) glUniform1i;
    154     } else if (0 == strcmp("glUniform1fv", name)) {
    155         return (GrGLFuncPtr) glUniform1fv;
    156     } else if (0 == strcmp("glUniform1iv", name)) {
    157         return (GrGLFuncPtr) glUniform1iv;
    158     } else if (0 == strcmp("glUniform2f", name)) {
    159         return (GrGLFuncPtr) glUniform2f;
    160     } else if (0 == strcmp("glUniform2i", name)) {
    161         return (GrGLFuncPtr) glUniform2i;
    162     } else if (0 == strcmp("glUniform2fv", name)) {
    163         return (GrGLFuncPtr) glUniform2fv;
    164     } else if (0 == strcmp("glUniform2iv", name)) {
    165         return (GrGLFuncPtr) glUniform2iv;
    166     } else if (0 == strcmp("glUniform3f", name)) {
    167         return (GrGLFuncPtr) glUniform3f;
    168     } else if (0 == strcmp("glUniform3i", name)) {
    169         return (GrGLFuncPtr) glUniform3i;
    170     } else if (0 == strcmp("glUniform3fv", name)) {
    171         return (GrGLFuncPtr) glUniform3fv;
    172     } else if (0 == strcmp("glUniform3iv", name)) {
    173         return (GrGLFuncPtr) glUniform3iv;
    174     } else if (0 == strcmp("glUniform4f", name)) {
    175         return (GrGLFuncPtr) glUniform4f;
    176     } else if (0 == strcmp("glUniform4i", name)) {
    177         return (GrGLFuncPtr) glUniform4i;
    178     } else if (0 == strcmp("glUniform4fv", name)) {
    179         return (GrGLFuncPtr) glUniform4fv;
    180     } else if (0 == strcmp("glUniform4iv", name)) {
    181         return (GrGLFuncPtr) glUniform4iv;
    182     } else if (0 == strcmp("glUniformMatrix2fv", name)) {
    183         return (GrGLFuncPtr) glUniformMatrix2fv;
    184     } else if (0 == strcmp("glUniformMatrix3fv", name)) {
    185         return (GrGLFuncPtr) glUniformMatrix3fv;
    186     } else if (0 == strcmp("glUniformMatrix4fv", name)) {
    187         return (GrGLFuncPtr) glUniformMatrix4fv;
    188     } else if (0 == strcmp("glUseProgram", name)) {
    189         return (GrGLFuncPtr) glUseProgram;
    190     } else if (0 == strcmp("glVertexAttrib1f", name)) {
    191         return (GrGLFuncPtr) glVertexAttrib1f;
    192     } else if (0 == strcmp("glVertexAttrib2fv", name)) {
    193         return (GrGLFuncPtr) glVertexAttrib2fv;
    194     } else if (0 == strcmp("glVertexAttrib3fv", name)) {
    195         return (GrGLFuncPtr) glVertexAttrib3fv;
    196     } else if (0 == strcmp("glVertexAttrib4fv", name)) {
    197         return (GrGLFuncPtr) glVertexAttrib4fv;
    198     } else if (0 == strcmp("glVertexAttribPointer", name)) {
    199         return (GrGLFuncPtr) glVertexAttribPointer;
    200     } else if (0 == strcmp("glViewport", name)) {
    201         return (GrGLFuncPtr) glViewport;
    202     } else if (0 == strcmp("glBindFramebuffer", name)) {
    203         return (GrGLFuncPtr) glBindFramebuffer;
    204     } else if (0 == strcmp("glBindRenderbuffer", name)) {
    205         return (GrGLFuncPtr) glBindRenderbuffer;
    206     } else if (0 == strcmp("glCheckFramebufferStatus", name)) {
    207         return (GrGLFuncPtr) glCheckFramebufferStatus;
    208     } else if (0 == strcmp("glDeleteFramebuffers", name)) {
    209         return (GrGLFuncPtr) glDeleteFramebuffers;
    210     } else if (0 == strcmp("glDeleteRenderbuffers", name)) {
    211         return (GrGLFuncPtr) glDeleteRenderbuffers;
    212     } else if (0 == strcmp("glFramebufferRenderbuffer", name)) {
    213         return (GrGLFuncPtr) glFramebufferRenderbuffer;
    214     } else if (0 == strcmp("glFramebufferTexture2D", name)) {
    215         return (GrGLFuncPtr) glFramebufferTexture2D;
    216     } else if (0 == strcmp("glGenFramebuffers", name)) {
    217         return (GrGLFuncPtr) glGenFramebuffers;
    218     } else if (0 == strcmp("glGenRenderbuffers", name)) {
    219         return (GrGLFuncPtr) glGenRenderbuffers;
    220     } else if (0 == strcmp("glGetFramebufferAttachmentParameteriv", name)) {
    221         return (GrGLFuncPtr) glGetFramebufferAttachmentParameteriv;
    222     } else if (0 == strcmp("glGetRenderbufferParameteriv", name)) {
    223         return (GrGLFuncPtr) glGetRenderbufferParameteriv;
    224     } else if (0 == strcmp("glRenderbufferStorage", name)) {
    225         return (GrGLFuncPtr) glRenderbufferStorage;
    226     } else if (0 == strcmp("eglQueryString", name)) {
    227         return (GrGLFuncPtr) eglQueryString;
    228     } else if (0 == strcmp("eglGetCurrentDisplay", name)) {
    229         return (GrGLFuncPtr) eglGetCurrentDisplay;
    230     }
    231     return eglGetProcAddress(name);
    232 }
    233 
    234 const GrGLInterface* GrGLCreateNativeInterface() {
    235     return GrGLAssembleInterface(nullptr, android_get_gl_proc);
    236 }
    237 
    238 #endif//defined(SK_BUILD_FOR_ANDROID)
    239