src/gallium/winsys/drm/intel/egl/intel_device.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28
  29 #include "utils.h"
  30
  31 #include "state_tracker/st_public.h"
  32 #include "i915simple/i915_screen.h"
  33
  34 #include "intel_context.h"
  35 #include "intel_device.h"
  36 #include "intel_batchbuffer.h"
  37 #include "intel_egl.h"
  38
  39
  40 extern const struct dri_extension card_extensions[];
  41
  42
  43 int
  44 intel_create_device(struct egl_drm_device *device)
  45 {
  46         struct intel_device *intel_device;
  47
  48         /* Allocate the private area */
  49         intel_device = CALLOC_STRUCT(intel_device);
  50         if (!intel_device)
  51                 return FALSE;
  52
  53         device->priv = (void *)intel_device;
  54         intel_device->device = device;
  55
  56         intel_device->deviceID = device->deviceID;
  57
  58         intel_be_init_device(&intel_device->base, device->drmFD, intel_device->deviceID);
  59
  60         intel_device->pipe = i915_create_screen(&intel_device->base.base, intel_device->deviceID);
  61
  62         /* hack */
  63         driInitExtensions(NULL, card_extensions, GL_FALSE);
  64
  65         return TRUE;
  66 }
  67
  68 int
  69 intel_destroy_device(struct egl_drm_device *device)
  70 {
  71         struct intel_device *intel_device = (struct intel_device *)device->priv;
  72
  73         intel_be_destroy_device(&intel_device->base);
  74
  75         free(intel_device);
  76         device->priv = NULL;
  77
  78         return TRUE;
  79 }
  80
  81 int
  82 intel_create_drawable(struct egl_drm_drawable *drawable,
  83                       const __GLcontextModes * visual)
  84 {
  85         enum pipe_format colorFormat, depthFormat, stencilFormat;
  86         struct intel_framebuffer *intelfb = CALLOC_STRUCT(intel_framebuffer);
  87
  88         if (!intelfb)
  89                 return GL_FALSE;
  90
  91         intelfb->device = drawable->device->priv;
  92
  93         if (visual->redBits == 5)
  94                 colorFormat = PIPE_FORMAT_R5G6B5_UNORM;
  95         else
  96                 colorFormat = PIPE_FORMAT_A8R8G8B8_UNORM;
  97
  98         if (visual->depthBits == 16)
  99                 depthFormat = PIPE_FORMAT_Z16_UNORM;
 100         else if (visual->depthBits == 24)
 101                 depthFormat = PIPE_FORMAT_S8Z24_UNORM;
 102         else
 103                 depthFormat = PIPE_FORMAT_NONE;
 104
 105         if (visual->stencilBits == 8)
 106                 stencilFormat = PIPE_FORMAT_S8Z24_UNORM;
 107         else
 108                 stencilFormat = PIPE_FORMAT_NONE;
 109
 110         intelfb->stfb = st_create_framebuffer(visual,
 111                         colorFormat,
 112                         depthFormat,
 113                         stencilFormat,
 114                         drawable->w,
 115                         drawable->h,
 116                         (void*) intelfb);
 117
 118         if (!intelfb->stfb) {
 119                 free(intelfb);
 120                 return GL_FALSE;
 121         }
 122
 123         drawable->priv = (void *) intelfb;
 124         return GL_TRUE;
 125 }
 126
 127 int
 128 intel_destroy_drawable(struct egl_drm_drawable *drawable)
 129 {
 130         struct intel_framebuffer *intelfb = (struct intel_framebuffer *)drawable->priv;
 131         drawable->priv = NULL;
 132
 133         assert(intelfb->stfb);
 134         st_unreference_framebuffer(&intelfb->stfb);
 135         free(intelfb);
 136         return TRUE;
 137 }