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| /************************************************************************** |
| * |
| * Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com> |
| * Copyright 2010-2011 LunarG, Inc. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| |
| #include <assert.h> |
| #include <string.h> |
| |
| #include "eglimage.h" |
| #include "egllog.h" |
| |
| |
| /** |
| * Parse the list of image attributes and return the proper error code. |
| */ |
| EGLint |
| _eglParseImageAttribList(_EGLImageAttribs *attrs, _EGLDisplay *dpy, |
| const EGLint *attrib_list) |
| { |
| EGLint i, err = EGL_SUCCESS; |
| |
| (void) dpy; |
| |
| memset(attrs, 0, sizeof(*attrs)); |
| attrs->ImagePreserved = EGL_FALSE; |
| attrs->GLTextureLevel = 0; |
| attrs->GLTextureZOffset = 0; |
| |
| if (!attrib_list) |
| return err; |
| |
| for (i = 0; attrib_list[i] != EGL_NONE; i++) { |
| EGLint attr = attrib_list[i++]; |
| EGLint val = attrib_list[i]; |
| |
| switch (attr) { |
| /* EGL_KHR_image_base */ |
| case EGL_IMAGE_PRESERVED_KHR: |
| attrs->ImagePreserved = val; |
| break; |
| |
| /* EGL_KHR_gl_image */ |
| case EGL_GL_TEXTURE_LEVEL_KHR: |
| attrs->GLTextureLevel = val; |
| break; |
| case EGL_GL_TEXTURE_ZOFFSET_KHR: |
| attrs->GLTextureZOffset = val; |
| break; |
| |
| /* EGL_MESA_drm_image */ |
| case EGL_WIDTH: |
| attrs->Width = val; |
| break; |
| case EGL_HEIGHT: |
| attrs->Height = val; |
| break; |
| case EGL_DRM_BUFFER_FORMAT_MESA: |
| attrs->DRMBufferFormatMESA = val; |
| break; |
| case EGL_DRM_BUFFER_USE_MESA: |
| attrs->DRMBufferUseMESA = val; |
| break; |
| case EGL_DRM_BUFFER_STRIDE_MESA: |
| attrs->DRMBufferStrideMESA = val; |
| break; |
| |
| /* EGL_WL_bind_wayland_display */ |
| case EGL_WAYLAND_PLANE_WL: |
| attrs->PlaneWL = val; |
| break; |
| |
| case EGL_LINUX_DRM_FOURCC_EXT: |
| attrs->DMABufFourCC.Value = val; |
| attrs->DMABufFourCC.IsPresent = EGL_TRUE; |
| break; |
| case EGL_DMA_BUF_PLANE0_FD_EXT: |
| attrs->DMABufPlaneFds[0].Value = val; |
| attrs->DMABufPlaneFds[0].IsPresent = EGL_TRUE; |
| break; |
| case EGL_DMA_BUF_PLANE0_OFFSET_EXT: |
| attrs->DMABufPlaneOffsets[0].Value = val; |
| attrs->DMABufPlaneOffsets[0].IsPresent = EGL_TRUE; |
| break; |
| case EGL_DMA_BUF_PLANE0_PITCH_EXT: |
| attrs->DMABufPlanePitches[0].Value = val; |
| attrs->DMABufPlanePitches[0].IsPresent = EGL_TRUE; |
| break; |
| case EGL_DMA_BUF_PLANE1_FD_EXT: |
| attrs->DMABufPlaneFds[1].Value = val; |
| attrs->DMABufPlaneFds[1].IsPresent = EGL_TRUE; |
| break; |
| case EGL_DMA_BUF_PLANE1_OFFSET_EXT: |
| attrs->DMABufPlaneOffsets[1].Value = val; |
| attrs->DMABufPlaneOffsets[1].IsPresent = EGL_TRUE; |
| break; |
| case EGL_DMA_BUF_PLANE1_PITCH_EXT: |
| attrs->DMABufPlanePitches[1].Value = val; |
| attrs->DMABufPlanePitches[1].IsPresent = EGL_TRUE; |
| break; |
| case EGL_DMA_BUF_PLANE2_FD_EXT: |
| attrs->DMABufPlaneFds[2].Value = val; |
| attrs->DMABufPlaneFds[2].IsPresent = EGL_TRUE; |
| break; |
| case EGL_DMA_BUF_PLANE2_OFFSET_EXT: |
| attrs->DMABufPlaneOffsets[2].Value = val; |
| attrs->DMABufPlaneOffsets[2].IsPresent = EGL_TRUE; |
| break; |
| case EGL_DMA_BUF_PLANE2_PITCH_EXT: |
| attrs->DMABufPlanePitches[2].Value = val; |
| attrs->DMABufPlanePitches[2].IsPresent = EGL_TRUE; |
| break; |
| case EGL_YUV_COLOR_SPACE_HINT_EXT: |
| if (val != EGL_ITU_REC601_EXT && val != EGL_ITU_REC709_EXT && |
| val != EGL_ITU_REC2020_EXT) { |
| err = EGL_BAD_ATTRIBUTE; |
| } else { |
| attrs->DMABufYuvColorSpaceHint.Value = val; |
| attrs->DMABufYuvColorSpaceHint.IsPresent = EGL_TRUE; |
| } |
| break; |
| case EGL_SAMPLE_RANGE_HINT_EXT: |
| if (val != EGL_YUV_FULL_RANGE_EXT && val != EGL_YUV_NARROW_RANGE_EXT) { |
| err = EGL_BAD_ATTRIBUTE; |
| } else { |
| attrs->DMABufSampleRangeHint.Value = val; |
| attrs->DMABufSampleRangeHint.IsPresent = EGL_TRUE; |
| } |
| break; |
| case EGL_YUV_CHROMA_HORIZONTAL_SITING_HINT_EXT: |
| if (val != EGL_YUV_CHROMA_SITING_0_EXT && |
| val != EGL_YUV_CHROMA_SITING_0_5_EXT) { |
| err = EGL_BAD_ATTRIBUTE; |
| } else { |
| attrs->DMABufChromaHorizontalSiting.Value = val; |
| attrs->DMABufChromaHorizontalSiting.IsPresent = EGL_TRUE; |
| } |
| break; |
| case EGL_YUV_CHROMA_VERTICAL_SITING_HINT_EXT: |
| if (val != EGL_YUV_CHROMA_SITING_0_EXT && |
| val != EGL_YUV_CHROMA_SITING_0_5_EXT) { |
| err = EGL_BAD_ATTRIBUTE; |
| } else { |
| attrs->DMABufChromaVerticalSiting.Value = val; |
| attrs->DMABufChromaVerticalSiting.IsPresent = EGL_TRUE; |
| } |
| break; |
| |
| default: |
| /* unknown attrs are ignored */ |
| break; |
| } |
| |
| if (err != EGL_SUCCESS) { |
| _eglLog(_EGL_DEBUG, "bad image attribute 0x%04x", attr); |
| break; |
| } |
| } |
| |
| return err; |
| } |
| |
| |
| EGLBoolean |
| _eglInitImage(_EGLImage *img, _EGLDisplay *dpy) |
| { |
| _eglInitResource(&img->Resource, sizeof(*img), dpy); |
| |
| return EGL_TRUE; |
| } |