183 lines
4.7 KiB
C
183 lines
4.7 KiB
C
/**************************************************************************
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*
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* Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com>
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* Copyright 2010-2011 LunarG, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#ifndef EGLIMAGE_INCLUDED
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#define EGLIMAGE_INCLUDED
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#include "egltypedefs.h"
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#include "egldisplay.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct _egl_image_attrib_int
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{
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EGLint Value;
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EGLBoolean IsPresent;
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};
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#define DMA_BUF_MAX_PLANES 4
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struct _egl_image_attribs
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{
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/* EGL_KHR_image_base */
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EGLBoolean ImagePreserved;
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/* EGL_KHR_gl_image */
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EGLint GLTextureLevel;
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EGLint GLTextureZOffset;
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/* EGL_MESA_drm_image */
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EGLint Width;
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EGLint Height;
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EGLint DRMBufferFormatMESA;
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EGLint DRMBufferUseMESA;
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EGLint DRMBufferStrideMESA;
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/* EGL_WL_bind_wayland_display */
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EGLint PlaneWL;
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/* EGL_EXT_image_dma_buf_import and
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* EGL_EXT_image_dma_buf_import_modifiers */
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struct _egl_image_attrib_int DMABufFourCC;
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struct _egl_image_attrib_int DMABufPlaneFds[DMA_BUF_MAX_PLANES];
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struct _egl_image_attrib_int DMABufPlaneOffsets[DMA_BUF_MAX_PLANES];
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struct _egl_image_attrib_int DMABufPlanePitches[DMA_BUF_MAX_PLANES];
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struct _egl_image_attrib_int DMABufPlaneModifiersLo[DMA_BUF_MAX_PLANES];
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struct _egl_image_attrib_int DMABufPlaneModifiersHi[DMA_BUF_MAX_PLANES];
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struct _egl_image_attrib_int DMABufYuvColorSpaceHint;
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struct _egl_image_attrib_int DMABufSampleRangeHint;
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struct _egl_image_attrib_int DMABufChromaHorizontalSiting;
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struct _egl_image_attrib_int DMABufChromaVerticalSiting;
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/* EGL_EXT_protected_surface */
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EGLBoolean ProtectedContent;
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};
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/**
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* "Base" class for device driver images.
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*/
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struct _egl_image
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{
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/* An image is a display resource */
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_EGLResource Resource;
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};
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EGLBoolean
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_eglParseImageAttribList(_EGLImageAttribs *attrs, _EGLDisplay *disp,
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const EGLint *attrib_list);
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static inline void
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_eglInitImage(_EGLImage *img, _EGLDisplay *disp)
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{
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_eglInitResource(&img->Resource, sizeof(*img), disp);
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}
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/**
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* Increment reference count for the image.
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*/
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static inline _EGLImage *
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_eglGetImage(_EGLImage *img)
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{
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if (img)
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_eglGetResource(&img->Resource);
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return img;
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}
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/**
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* Decrement reference count for the image.
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*/
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static inline EGLBoolean
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_eglPutImage(_EGLImage *img)
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{
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return (img) ? _eglPutResource(&img->Resource) : EGL_FALSE;
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}
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/**
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* Link an image to its display and return the handle of the link.
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* The handle can be passed to client directly.
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*/
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static inline EGLImage
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_eglLinkImage(_EGLImage *img)
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{
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_eglLinkResource(&img->Resource, _EGL_RESOURCE_IMAGE);
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return (EGLImage) img;
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}
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/**
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* Unlink a linked image from its display.
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* Accessing an unlinked image should generate EGL_BAD_PARAMETER error.
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*/
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static inline void
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_eglUnlinkImage(_EGLImage *img)
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{
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_eglUnlinkResource(&img->Resource, _EGL_RESOURCE_IMAGE);
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}
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/**
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* Lookup a handle to find the linked image.
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* Return NULL if the handle has no corresponding linked image.
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*/
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static inline _EGLImage *
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_eglLookupImage(EGLImage image, _EGLDisplay *disp)
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{
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_EGLImage *img = (_EGLImage *) image;
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if (!disp || !_eglCheckResource((void *) img, _EGL_RESOURCE_IMAGE, disp))
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img = NULL;
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return img;
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}
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/**
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* Return the handle of a linked image, or EGL_NO_IMAGE_KHR.
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*/
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static inline EGLImage
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_eglGetImageHandle(_EGLImage *img)
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{
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_EGLResource *res = (_EGLResource *) img;
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return (res && _eglIsResourceLinked(res)) ?
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(EGLImage) img : EGL_NO_IMAGE_KHR;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* EGLIMAGE_INCLUDED */
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