142 lines
5.6 KiB
C
142 lines
5.6 KiB
C
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/*
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* Copyright (c) 2001 by The XFree86 Project, Inc.
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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 "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of the copyright holder(s)
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* and author(s) shall not be used in advertising or otherwise to promote
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* the sale, use or other dealings in this Software without prior written
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* authorization from the copyright holder(s) and author(s).
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*/
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#ifndef _XF86XVMC_H
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#define _XF86XVMC_H
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#include "xvmcext.h"
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#include "xf86xv.h"
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typedef struct {
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int num_xvimages;
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int *xvimage_ids; /* reference the subpictures in the XF86MCAdaptorRec */
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} XF86MCImageIDList;
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typedef struct {
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int surface_type_id; /* Driver generated. Must be unique on the port */
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int chroma_format;
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int color_description; /* no longer used */
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unsigned short max_width;
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unsigned short max_height;
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unsigned short subpicture_max_width;
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unsigned short subpicture_max_height;
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int mc_type;
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int flags;
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XF86MCImageIDList *compatible_subpictures; /* can be null, if none */
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} XF86MCSurfaceInfoRec, *XF86MCSurfaceInfoPtr;
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/*
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xf86XvMCCreateContextProc
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DIX will fill everything out in the context except the driver_priv.
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The port_priv holds the private data specified for the port when
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Xv was initialized by the driver.
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The driver may store whatever it wants in driver_priv and edit
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the width, height and flags. If the driver wants to return something
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to the client it can allocate space in priv and specify the number
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of 32 bit words in num_priv. This must be dynamically allocated
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space because DIX will free it after it passes it to the client.
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*/
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typedef int (*xf86XvMCCreateContextProcPtr) (ScrnInfoPtr pScrn,
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XvMCContextPtr context,
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int *num_priv, CARD32 **priv);
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typedef void (*xf86XvMCDestroyContextProcPtr) (ScrnInfoPtr pScrn,
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XvMCContextPtr context);
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/*
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xf86XvMCCreateSurfaceProc
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DIX will fill everything out in the surface except the driver_priv.
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The driver may store whatever it wants in driver_priv. The driver
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may pass data back to the client in the same manner as the
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xf86XvMCCreateContextProc.
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*/
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typedef int (*xf86XvMCCreateSurfaceProcPtr) (ScrnInfoPtr pScrn,
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XvMCSurfacePtr surface,
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int *num_priv, CARD32 **priv);
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typedef void (*xf86XvMCDestroySurfaceProcPtr) (ScrnInfoPtr pScrn,
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XvMCSurfacePtr surface);
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/*
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xf86XvMCCreateSubpictureProc
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DIX will fill everything out in the subpicture except the driver_priv,
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num_palette_entries, entry_bytes and component_order. The driver may
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store whatever it wants in driver_priv and edit the width and height.
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If it is a paletted subpicture the driver needs to fill out the
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num_palette_entries, entry_bytes and component_order. These are
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not communicated to the client until the time the surface is
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created.
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The driver may pass data back to the client in the same manner as the
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xf86XvMCCreateContextProc.
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*/
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typedef int (*xf86XvMCCreateSubpictureProcPtr) (ScrnInfoPtr pScrn,
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XvMCSubpicturePtr subpicture,
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int *num_priv, CARD32 **priv);
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typedef void (*xf86XvMCDestroySubpictureProcPtr) (ScrnInfoPtr pScrn,
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XvMCSubpicturePtr subpicture);
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typedef struct {
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char *name;
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int num_surfaces;
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XF86MCSurfaceInfoPtr *surfaces;
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int num_subpictures;
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XF86ImagePtr *subpictures;
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xf86XvMCCreateContextProcPtr CreateContext;
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xf86XvMCDestroyContextProcPtr DestroyContext;
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xf86XvMCCreateSurfaceProcPtr CreateSurface;
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xf86XvMCDestroySurfaceProcPtr DestroySurface;
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xf86XvMCCreateSubpictureProcPtr CreateSubpicture;
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xf86XvMCDestroySubpictureProcPtr DestroySubpicture;
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} XF86MCAdaptorRec, *XF86MCAdaptorPtr;
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/*
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xf86XvMCScreenInit
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Unlike Xv, the adaptor data is not copied from this structure.
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This structure's data is used so it must stick around for the
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life of the server. Note that it's an array of pointers not
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an array of structures.
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*/
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extern _X_EXPORT Bool xf86XvMCScreenInit(ScreenPtr pScreen,
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int num_adaptors,
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XF86MCAdaptorPtr * adaptors);
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extern _X_EXPORT XF86MCAdaptorPtr xf86XvMCCreateAdaptorRec(void);
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extern _X_EXPORT void xf86XvMCDestroyAdaptorRec(XF86MCAdaptorPtr adaptor);
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#endif /* _XF86XVMC_H */
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