src/egl/main/eglimage.c

   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
  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
  50    if (!attrib_list)
  51       return err;
  52
  53    for (i = 0; attrib_list[i] != EGL_NONE; i++) {
  54       EGLint attr = attrib_list[i++];
  55       EGLint val = attrib_list[i];
  56
  57       switch (attr) {
  58       /* EGL_KHR_image_base */
  59       case EGL_IMAGE_PRESERVED_KHR:
  60          attrs->ImagePreserved = val;
  61          break;
  62
  63       /* EGL_KHR_gl_image */
  64       case EGL_GL_TEXTURE_LEVEL_KHR:
  65          attrs->GLTextureLevel = val;
  66          break;
  67       case EGL_GL_TEXTURE_ZOFFSET_KHR:
  68          attrs->GLTextureZOffset = val;
  69          break;
  70
  71       /* EGL_MESA_drm_image */
  72       case EGL_WIDTH:
  73          attrs->Width = val;
  74          break;
  75       case EGL_HEIGHT:
  76          attrs->Height = val;
  77          break;
  78       case EGL_DRM_BUFFER_FORMAT_MESA:
  79          attrs->DRMBufferFormatMESA = val;
  80          break;
  81       case EGL_DRM_BUFFER_USE_MESA:
  82          attrs->DRMBufferUseMESA = val;
  83          break;
  84       case EGL_DRM_BUFFER_STRIDE_MESA:
  85          attrs->DRMBufferStrideMESA = val;
  86          break;
  87
  88       /* EGL_WL_bind_wayland_display */
  89       case EGL_WAYLAND_PLANE_WL:
  90          attrs->PlaneWL = val;
  91          break;
  92
  93       case EGL_LINUX_DRM_FOURCC_EXT:
  94          attrs->DMABufFourCC.Value = val;
  95          attrs->DMABufFourCC.IsPresent = EGL_TRUE;
  96          break;
  97       case EGL_DMA_BUF_PLANE0_FD_EXT:
  98          attrs->DMABufPlaneFds[0].Value = val;
  99          attrs->DMABufPlaneFds[0].IsPresent = EGL_TRUE;
 100          break;
 101       case EGL_DMA_BUF_PLANE0_OFFSET_EXT:
 102          attrs->DMABufPlaneOffsets[0].Value = val;
 103          attrs->DMABufPlaneOffsets[0].IsPresent = EGL_TRUE;
 104          break;
 105       case EGL_DMA_BUF_PLANE0_PITCH_EXT:
 106          attrs->DMABufPlanePitches[0].Value = val;
 107          attrs->DMABufPlanePitches[0].IsPresent = EGL_TRUE;
 108          break;
 109       case EGL_DMA_BUF_PLANE1_FD_EXT:
 110          attrs->DMABufPlaneFds[1].Value = val;
 111          attrs->DMABufPlaneFds[1].IsPresent = EGL_TRUE;
 112          break;
 113       case EGL_DMA_BUF_PLANE1_OFFSET_EXT:
 114          attrs->DMABufPlaneOffsets[1].Value = val;
 115          attrs->DMABufPlaneOffsets[1].IsPresent = EGL_TRUE;
 116          break;
 117       case EGL_DMA_BUF_PLANE1_PITCH_EXT:
 118          attrs->DMABufPlanePitches[1].Value = val;
 119          attrs->DMABufPlanePitches[1].IsPresent = EGL_TRUE;
 120          break;
 121       case EGL_DMA_BUF_PLANE2_FD_EXT:
 122          attrs->DMABufPlaneFds[2].Value = val;
 123          attrs->DMABufPlaneFds[2].IsPresent = EGL_TRUE;
 124          break;
 125       case EGL_DMA_BUF_PLANE2_OFFSET_EXT:
 126          attrs->DMABufPlaneOffsets[2].Value = val;
 127          attrs->DMABufPlaneOffsets[2].IsPresent = EGL_TRUE;
 128          break;
 129       case EGL_DMA_BUF_PLANE2_PITCH_EXT:
 130          attrs->DMABufPlanePitches[2].Value = val;
 131          attrs->DMABufPlanePitches[2].IsPresent = EGL_TRUE;
 132          break;
 133       case EGL_YUV_COLOR_SPACE_HINT_EXT:
 134          if (val != EGL_ITU_REC601_EXT && val != EGL_ITU_REC709_EXT &&
 135              val != EGL_ITU_REC2020_EXT) {
 136             err = EGL_BAD_ATTRIBUTE;
 137          } else {
 138             attrs->DMABufYuvColorSpaceHint.Value = val;
 139             attrs->DMABufYuvColorSpaceHint.IsPresent = EGL_TRUE;
 140          }
 141          break;
 142       case EGL_SAMPLE_RANGE_HINT_EXT:
 143          if (val != EGL_YUV_FULL_RANGE_EXT && val != EGL_YUV_NARROW_RANGE_EXT) {
 144             err = EGL_BAD_ATTRIBUTE;
 145          } else {
 146             attrs->DMABufSampleRangeHint.Value = val;
 147             attrs->DMABufSampleRangeHint.IsPresent = EGL_TRUE;
 148          }
 149          break;
 150       case EGL_YUV_CHROMA_HORIZONTAL_SITING_HINT_EXT:
 151          if (val != EGL_YUV_CHROMA_SITING_0_EXT &&
 152              val != EGL_YUV_CHROMA_SITING_0_5_EXT) {
 153             err = EGL_BAD_ATTRIBUTE;
 154          } else {
 155             attrs->DMABufChromaHorizontalSiting.Value = val;
 156             attrs->DMABufChromaHorizontalSiting.IsPresent = EGL_TRUE;
 157          }
 158          break;
 159       case EGL_YUV_CHROMA_VERTICAL_SITING_HINT_EXT:
 160          if (val != EGL_YUV_CHROMA_SITING_0_EXT &&
 161              val != EGL_YUV_CHROMA_SITING_0_5_EXT) {
 162             err = EGL_BAD_ATTRIBUTE;
 163          } else {
 164             attrs->DMABufChromaVerticalSiting.Value = val;
 165             attrs->DMABufChromaVerticalSiting.IsPresent = EGL_TRUE;
 166          }
 167          break;
 168
 169       default:
 170          /* unknown attrs are ignored */
 171          break;
 172       }
 173
 174       if (err != EGL_SUCCESS) {
 175          _eglLog(_EGL_DEBUG, "bad image attribute 0x%04x", attr);
 176          break;
 177       }
 178    }
 179
 180    return err;
 181 }
 182
 183
 184 EGLBoolean
 185 _eglInitImage(_EGLImage *img, _EGLDisplay *dpy)
 186 {
 187    _eglInitResource(&img->Resource, sizeof(*img), dpy);
 188
 189    return EGL_TRUE;
 190 }