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es3_copy_conversion_table_autogen.cpp (4188B)

      1 // GENERATED FILE - DO NOT EDIT.
      2 // Generated by gen_copy_conversion_table.py using data from es3_copy_conversion_formats.json.
      3 //
      4 // Copyright 2016 The ANGLE Project Authors. All rights reserved.
      5 // Use of this source code is governed by a BSD-style license that can be
      6 // found in the LICENSE file.
      7 //
      8 // format_map:
      9 //   Determining the sized internal format from a (format,type) pair.
     10 //   Also check es3 format combinations for validity.
     11 
     12 #include "angle_gl.h"
     13 #include "common/debug.h"
     14 
     15 namespace gl
     16 {
     17 
     18 bool ValidES3CopyConversion(GLenum textureFormat, GLenum framebufferFormat)
     19 {
     20    switch (textureFormat)
     21    {
     22        case GL_ALPHA:
     23            switch (framebufferFormat)
     24            {
     25                case GL_BGRA_EXT:
     26                case GL_RGBA:
     27                    return true;
     28                default:
     29                    break;
     30            }
     31            break;
     32 
     33        case GL_BGRA_EXT:
     34            switch (framebufferFormat)
     35            {
     36                case GL_BGRA_EXT:
     37                    return true;
     38                default:
     39                    break;
     40            }
     41            break;
     42 
     43        case GL_LUMINANCE:
     44            switch (framebufferFormat)
     45            {
     46                case GL_BGRA_EXT:
     47                case GL_RED:
     48                case GL_RG:
     49                case GL_RGB:
     50                case GL_RGBA:
     51                    return true;
     52                default:
     53                    break;
     54            }
     55            break;
     56 
     57        case GL_LUMINANCE_ALPHA:
     58            switch (framebufferFormat)
     59            {
     60                case GL_BGRA_EXT:
     61                case GL_RGBA:
     62                    return true;
     63                default:
     64                    break;
     65            }
     66            break;
     67 
     68        case GL_RED:
     69            switch (framebufferFormat)
     70            {
     71                case GL_BGRA_EXT:
     72                case GL_RED:
     73                case GL_RG:
     74                case GL_RGB:
     75                case GL_RGBA:
     76                    return true;
     77                default:
     78                    break;
     79            }
     80            break;
     81 
     82        case GL_RED_INTEGER:
     83            switch (framebufferFormat)
     84            {
     85                case GL_RED_INTEGER:
     86                case GL_RGBA_INTEGER:
     87                case GL_RGB_INTEGER:
     88                case GL_RG_INTEGER:
     89                    return true;
     90                default:
     91                    break;
     92            }
     93            break;
     94 
     95        case GL_RG:
     96            switch (framebufferFormat)
     97            {
     98                case GL_BGRA_EXT:
     99                case GL_RG:
    100                case GL_RGB:
    101                case GL_RGBA:
    102                    return true;
    103                default:
    104                    break;
    105            }
    106            break;
    107 
    108        case GL_RGB:
    109            switch (framebufferFormat)
    110            {
    111                case GL_BGRA_EXT:
    112                case GL_RGB:
    113                case GL_RGBA:
    114                    return true;
    115                default:
    116                    break;
    117            }
    118            break;
    119 
    120        case GL_RGBA:
    121            switch (framebufferFormat)
    122            {
    123                case GL_BGRA_EXT:
    124                case GL_RGBA:
    125                    return true;
    126                default:
    127                    break;
    128            }
    129            break;
    130 
    131        case GL_RGBA_INTEGER:
    132            switch (framebufferFormat)
    133            {
    134                case GL_RGBA_INTEGER:
    135                    return true;
    136                default:
    137                    break;
    138            }
    139            break;
    140 
    141        case GL_RGB_INTEGER:
    142            switch (framebufferFormat)
    143            {
    144                case GL_RGBA_INTEGER:
    145                case GL_RGB_INTEGER:
    146                    return true;
    147                default:
    148                    break;
    149            }
    150            break;
    151 
    152        case GL_RG_INTEGER:
    153            switch (framebufferFormat)
    154            {
    155                case GL_RGBA_INTEGER:
    156                case GL_RGB_INTEGER:
    157                case GL_RG_INTEGER:
    158                    return true;
    159                default:
    160                    break;
    161            }
    162            break;
    163 
    164        default:
    165            break;
    166    }
    167 
    168    return false;
    169 }
    170 
    171 }  // namespace gl