src/gallium/state_trackers/vega/api_misc.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.  All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sub license, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial portions
  15  * of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  20  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  21  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  22  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  23  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  **************************************************************************/
  26
  27 #include "VG/openvg.h"
  28
  29 #include "vg_context.h"
  30
  31 /* Hardware Queries */
  32 VGHardwareQueryResult vgHardwareQuery(VGHardwareQueryType key,
  33                                       VGint setting)
  34 {
  35    struct vg_context *ctx = vg_current_context();
  36
  37    if (key < VG_IMAGE_FORMAT_QUERY ||
  38        key > VG_PATH_DATATYPE_QUERY) {
  39       vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
  40       return VG_HARDWARE_UNACCELERATED;
  41    }
  42
  43    if (key == VG_IMAGE_FORMAT_QUERY) {
  44       if (setting < VG_sRGBX_8888 ||
  45           setting > VG_lABGR_8888_PRE) {
  46          vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
  47          return VG_HARDWARE_UNACCELERATED;
  48       }
  49    } else if (key == VG_PATH_DATATYPE_QUERY) {
  50       if (setting < VG_PATH_DATATYPE_S_8 ||
  51           setting > VG_PATH_DATATYPE_F) {
  52          vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
  53          return VG_HARDWARE_UNACCELERATED;
  54       }
  55    }
  56    /* we're supposed to accelerate everything */
  57    return VG_HARDWARE_ACCELERATED;
  58 }
  59
  60 /* Renderer and Extension Information */
  61 const VGubyte *vgGetString(VGStringID name)
  62 {
  63    struct vg_context *ctx = vg_current_context();
  64    static const VGubyte *vendor = (VGubyte *)"Tungsten Graphics, Inc";
  65    static const VGubyte *renderer = (VGubyte *)"Vega OpenVG 1.0";
  66    static const VGubyte *version = (VGubyte *)"1.0";
  67
  68    if (!ctx)
  69       return NULL;
  70
  71    switch(name) {
  72    case VG_VENDOR:
  73       return vendor;
  74    case VG_RENDERER:
  75       return renderer;
  76    case VG_VERSION:
  77       return version;
  78    case VG_EXTENSIONS:
  79       return NULL;
  80    default:
  81       return NULL;
  82    }
  83 }