1/**************************************************************************
2 *
3 * Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com>
4 * Copyright 2010-2011 LunarG, Inc.
5 * All Rights Reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
17 * of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
22 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
24 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
25 * DEALINGS IN THE SOFTWARE.
26 *
27 **************************************************************************/
28
29
30#include <assert.h>
31#include <string.h>
32
33#include "eglimage.h"
34#include "egllog.h"
35
36
37/**
38 * Parse the list of image attributes and return the proper error code.
39 */
40EGLint
41_eglParseImageAttribList(_EGLImageAttribs *attrs, _EGLDisplay *dpy,
42                         const EGLint *attrib_list)
43{
44   EGLint i, err = EGL_SUCCESS;
45
46   (void) dpy;
47
48   memset(attrs, 0, sizeof(*attrs));
49   attrs->ImagePreserved = EGL_FALSE;
50   attrs->GLTextureLevel = 0;
51   attrs->GLTextureZOffset = 0;
52
53   if (!attrib_list)
54      return err;
55
56   for (i = 0; attrib_list[i] != EGL_NONE; i++) {
57      EGLint attr = attrib_list[i++];
58      EGLint val = attrib_list[i];
59
60      switch (attr) {
61      /* EGL_KHR_image_base */
62      case EGL_IMAGE_PRESERVED_KHR:
63         attrs->ImagePreserved = val;
64         break;
65
66      /* EGL_KHR_gl_image */
67      case EGL_GL_TEXTURE_LEVEL_KHR:
68         attrs->GLTextureLevel = val;
69         break;
70      case EGL_GL_TEXTURE_ZOFFSET_KHR:
71         attrs->GLTextureZOffset = val;
72         break;
73
74      /* EGL_MESA_drm_image */
75      case EGL_WIDTH:
76         attrs->Width = val;
77         break;
78      case EGL_HEIGHT:
79         attrs->Height = val;
80         break;
81      case EGL_DRM_BUFFER_FORMAT_MESA:
82         attrs->DRMBufferFormatMESA = val;
83         break;
84      case EGL_DRM_BUFFER_USE_MESA:
85         attrs->DRMBufferUseMESA = val;
86         break;
87      case EGL_DRM_BUFFER_STRIDE_MESA:
88         attrs->DRMBufferStrideMESA = val;
89         break;
90
91      /* EGL_WL_bind_wayland_display */
92      case EGL_WAYLAND_PLANE_WL:
93         attrs->PlaneWL = val;
94         break;
95
96      case EGL_LINUX_DRM_FOURCC_EXT:
97         attrs->DMABufFourCC.Value = val;
98         attrs->DMABufFourCC.IsPresent = EGL_TRUE;
99         break;
100      case EGL_DMA_BUF_PLANE0_FD_EXT:
101         attrs->DMABufPlaneFds[0].Value = val;
102         attrs->DMABufPlaneFds[0].IsPresent = EGL_TRUE;
103         break;
104      case EGL_DMA_BUF_PLANE0_OFFSET_EXT:
105         attrs->DMABufPlaneOffsets[0].Value = val;
106         attrs->DMABufPlaneOffsets[0].IsPresent = EGL_TRUE;
107         break;
108      case EGL_DMA_BUF_PLANE0_PITCH_EXT:
109         attrs->DMABufPlanePitches[0].Value = val;
110         attrs->DMABufPlanePitches[0].IsPresent = EGL_TRUE;
111         break;
112      case EGL_DMA_BUF_PLANE1_FD_EXT:
113         attrs->DMABufPlaneFds[1].Value = val;
114         attrs->DMABufPlaneFds[1].IsPresent = EGL_TRUE;
115         break;
116      case EGL_DMA_BUF_PLANE1_OFFSET_EXT:
117         attrs->DMABufPlaneOffsets[1].Value = val;
118         attrs->DMABufPlaneOffsets[1].IsPresent = EGL_TRUE;
119         break;
120      case EGL_DMA_BUF_PLANE1_PITCH_EXT:
121         attrs->DMABufPlanePitches[1].Value = val;
122         attrs->DMABufPlanePitches[1].IsPresent = EGL_TRUE;
123         break;
124      case EGL_DMA_BUF_PLANE2_FD_EXT:
125         attrs->DMABufPlaneFds[2].Value = val;
126         attrs->DMABufPlaneFds[2].IsPresent = EGL_TRUE;
127         break;
128      case EGL_DMA_BUF_PLANE2_OFFSET_EXT:
129         attrs->DMABufPlaneOffsets[2].Value = val;
130         attrs->DMABufPlaneOffsets[2].IsPresent = EGL_TRUE;
131         break;
132      case EGL_DMA_BUF_PLANE2_PITCH_EXT:
133         attrs->DMABufPlanePitches[2].Value = val;
134         attrs->DMABufPlanePitches[2].IsPresent = EGL_TRUE;
135         break;
136      case EGL_YUV_COLOR_SPACE_HINT_EXT:
137         if (val != EGL_ITU_REC601_EXT && val != EGL_ITU_REC709_EXT &&
138             val != EGL_ITU_REC2020_EXT) {
139            err = EGL_BAD_ATTRIBUTE;
140         } else {
141            attrs->DMABufYuvColorSpaceHint.Value = val;
142            attrs->DMABufYuvColorSpaceHint.IsPresent = EGL_TRUE;
143         }
144         break;
145      case EGL_SAMPLE_RANGE_HINT_EXT:
146         if (val != EGL_YUV_FULL_RANGE_EXT && val != EGL_YUV_NARROW_RANGE_EXT) {
147            err = EGL_BAD_ATTRIBUTE;
148         } else {
149            attrs->DMABufSampleRangeHint.Value = val;
150            attrs->DMABufSampleRangeHint.IsPresent = EGL_TRUE;
151         }
152         break;
153      case EGL_YUV_CHROMA_HORIZONTAL_SITING_HINT_EXT:
154         if (val != EGL_YUV_CHROMA_SITING_0_EXT &&
155             val != EGL_YUV_CHROMA_SITING_0_5_EXT) {
156            err = EGL_BAD_ATTRIBUTE;
157         } else {
158            attrs->DMABufChromaHorizontalSiting.Value = val;
159            attrs->DMABufChromaHorizontalSiting.IsPresent = EGL_TRUE;
160         }
161         break;
162      case EGL_YUV_CHROMA_VERTICAL_SITING_HINT_EXT:
163         if (val != EGL_YUV_CHROMA_SITING_0_EXT &&
164             val != EGL_YUV_CHROMA_SITING_0_5_EXT) {
165            err = EGL_BAD_ATTRIBUTE;
166         } else {
167            attrs->DMABufChromaVerticalSiting.Value = val;
168            attrs->DMABufChromaVerticalSiting.IsPresent = EGL_TRUE;
169         }
170         break;
171
172      default:
173         /* unknown attrs are ignored */
174         break;
175      }
176
177      if (err != EGL_SUCCESS) {
178         _eglLog(_EGL_DEBUG, "bad image attribute 0x%04x", attr);
179         break;
180      }
181   }
182
183   return err;
184}
185
186
187EGLBoolean
188_eglInitImage(_EGLImage *img, _EGLDisplay *dpy)
189{
190   _eglInitResource(&img->Resource, sizeof(*img), dpy);
191
192   return EGL_TRUE;
193}
194