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 */
40 EGLint
_eglParseImageAttribList(_EGLImageAttribs * attrs,_EGLDisplay * dpy,const EGLint * attrib_list)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
187 EGLBoolean
_eglInitImage(_EGLImage * img,_EGLDisplay * dpy)188 _eglInitImage(_EGLImage *img, _EGLDisplay *dpy)
189 {
190 _eglInitResource(&img->Resource, sizeof(*img), dpy);
191
192 return EGL_TRUE;
193 }
194