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      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 #include "api.h"
     31 
     32 /* Hardware Queries */
     33 VGHardwareQueryResult vegaHardwareQuery(VGHardwareQueryType key,
     34                                         VGint setting)
     35 {
     36    struct vg_context *ctx = vg_current_context();
     37 
     38    if (key < VG_IMAGE_FORMAT_QUERY ||
     39        key > VG_PATH_DATATYPE_QUERY) {
     40       vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
     41       return VG_HARDWARE_UNACCELERATED;
     42    }
     43 
     44    if (key == VG_IMAGE_FORMAT_QUERY) {
     45       if (setting < VG_sRGBX_8888 ||
     46           setting > VG_lABGR_8888_PRE) {
     47          vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
     48          return VG_HARDWARE_UNACCELERATED;
     49       }
     50    } else if (key == VG_PATH_DATATYPE_QUERY) {
     51       if (setting < VG_PATH_DATATYPE_S_8 ||
     52           setting > VG_PATH_DATATYPE_F) {
     53          vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
     54          return VG_HARDWARE_UNACCELERATED;
     55       }
     56    }
     57    /* we're supposed to accelerate everything */
     58    return VG_HARDWARE_ACCELERATED;
     59 }
     60 
     61 /* Renderer and Extension Information */
     62 const VGubyte *vegaGetString(VGStringID name)
     63 {
     64    struct vg_context *ctx = vg_current_context();
     65    static const VGubyte *vendor = (VGubyte *)"Tungsten Graphics, Inc";
     66    static const VGubyte *renderer = (VGubyte *)"Vega OpenVG 1.1";
     67    static const VGubyte *version = (VGubyte *)"1.1";
     68 
     69    if (!ctx)
     70       return NULL;
     71 
     72    switch(name) {
     73    case VG_VENDOR:
     74       return vendor;
     75    case VG_RENDERER:
     76       return renderer;
     77    case VG_VERSION:
     78       return version;
     79    case VG_EXTENSIONS:
     80       return NULL;
     81    default:
     82       return NULL;
     83    }
     84 }
     85