src/gallium/frontends/dri/dri_helpers.h

   1 /*
   2  * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included
  12  * in all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  15  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  */
  22
  23 #ifndef DRI_HELPERS_H
  24 #define DRI_HELPERS_H
  25
  26 #include "dri_context.h"
  27 #include "dri_screen.h"
  28
  29
  30 struct dri2_format_mapping {
  31    int dri_fourcc;
  32    int dri_format; /* image format */
  33    int dri_components;
  34    enum pipe_format pipe_format;
  35    int nplanes;
  36    struct {
  37       int buffer_index;
  38       int width_shift;
  39       int height_shift;
  40       uint32_t dri_format; /* plane format */
  41       int cpp;
  42    } planes[3];
  43 };
  44
  45 extern const __DRI2fenceExtension dri2FenceExtension;
  46
  47 const struct dri2_format_mapping *
  48 dri2_get_mapping_by_fourcc(int fourcc);
  49
  50 const struct dri2_format_mapping *
  51 dri2_get_mapping_by_format(int format);
  52
  53 enum pipe_format
  54 dri2_get_pipe_format_for_dri_format(int format);
  55
  56 boolean
  57 dri2_query_dma_buf_formats(__DRIscreen *_screen, int max, int *formats,
  58                            int *count);
  59 boolean
  60 dri2_yuv_dma_buf_supported(struct dri_screen *screen,
  61                            const struct dri2_format_mapping *map);
  62
  63 __DRIimage *
  64 dri2_lookup_egl_image(struct dri_screen *screen, void *handle);
  65
  66 __DRIimage *
  67 dri2_create_image_from_renderbuffer(__DRIcontext *context,
  68                                     int renderbuffer, void *loaderPrivate);
  69
  70 __DRIimage *
  71 dri2_create_image_from_renderbuffer2(__DRIcontext *context,
  72                                      int renderbuffer, void *loaderPrivate,
  73                                      unsigned *error);
  74
  75 void
  76 dri2_destroy_image(__DRIimage *img);
  77
  78 __DRIimage *
  79 dri2_create_from_texture(__DRIcontext *context, int target, unsigned texture,
  80                          int depth, int level, unsigned *error,
  81                          void *loaderPrivate);
  82 #endif
  83
  84 /* vim: set sw=3 ts=8 sts=3 expandtab: */