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/*
* Copyright (C) 2009 Splitted-Desktop Systems. 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS 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 "sysdeps.h"
#include <stdlib.h>
#include "va_glx_private.h"
#include "va_glx_impl.h"
#define INIT_CONTEXT(ctx, dpy) do { \
if (!vaDisplayIsValid(dpy)) \
return VA_STATUS_ERROR_INVALID_DISPLAY; \
\
ctx = ((VADisplayContextP)(dpy))->pDriverContext; \
if (!(ctx)) \
return VA_STATUS_ERROR_INVALID_DISPLAY; \
\
VAStatus status = va_glx_init_context(ctx); \
if (status != VA_STATUS_SUCCESS) \
return status; \
} while (0)
#define INVOKE(ctx, func, args) do { \
VADriverVTableGLXP vtable; \
vtable = &VA_DRIVER_CONTEXT_GLX(ctx)->vtable; \
if (!vtable->va##func##GLX) \
return VA_STATUS_ERROR_UNIMPLEMENTED; \
status = vtable->va##func##GLX args; \
} while (0)
// Destroy VA/GLX display context
static void va_DisplayContextDestroy(VADisplayContextP pDisplayContext)
{
VADisplayContextGLXP pDisplayContextGLX;
VADriverContextP pDriverContext;
VADriverContextGLXP pDriverContextGLX;
if (!pDisplayContext)
return;
pDriverContext = pDisplayContext->pDriverContext;
pDriverContextGLX = pDriverContext->glx;
if (pDriverContextGLX) {
free(pDriverContextGLX);
pDriverContext->glx = NULL;
}
pDisplayContextGLX = pDisplayContext->opaque;
if (pDisplayContextGLX) {
vaDestroyFunc vaDestroy = pDisplayContextGLX->vaDestroy;
free(pDisplayContextGLX);
pDisplayContext->opaque = NULL;
if (vaDestroy)
vaDestroy(pDisplayContext);
}
}
// Return a suitable VADisplay for VA API
VADisplay vaGetDisplayGLX(Display *native_dpy)
{
VADisplay dpy = NULL;
VADisplayContextP pDisplayContext = NULL;
VADisplayContextGLXP pDisplayContextGLX = NULL;
VADriverContextP pDriverContext;
VADriverContextGLXP pDriverContextGLX = NULL;
dpy = vaGetDisplay(native_dpy);
if (!dpy)
return NULL;
pDisplayContext = (VADisplayContextP)dpy;
pDriverContext = pDisplayContext->pDriverContext;
pDisplayContextGLX = calloc(1, sizeof(*pDisplayContextGLX));
if (!pDisplayContextGLX)
goto error;
pDriverContextGLX = calloc(1, sizeof(*pDriverContextGLX));
if (!pDriverContextGLX)
goto error;
pDriverContext->display_type = VA_DISPLAY_GLX;
pDisplayContextGLX->vaDestroy = pDisplayContext->vaDestroy;
pDisplayContext->vaDestroy = va_DisplayContextDestroy;
pDisplayContext->opaque = pDisplayContextGLX;
pDriverContext->glx = pDriverContextGLX;
return dpy;
error:
free(pDriverContextGLX);
free(pDisplayContextGLX);
pDisplayContext->vaDestroy(pDisplayContext);
return NULL;
}
// Create a surface used for display to OpenGL
VAStatus vaCreateSurfaceGLX(
VADisplay dpy,
GLenum target,
GLuint texture,
void **gl_surface
)
{
VADriverContextP ctx;
VAStatus status;
/* Make sure it is a valid GL texture object */
if (!glIsTexture(texture))
return VA_STATUS_ERROR_INVALID_PARAMETER;
INIT_CONTEXT(ctx, dpy);
INVOKE(ctx, CreateSurface, (ctx, target, texture, gl_surface));
return status;
}
// Destroy a VA/GLX surface
VAStatus vaDestroySurfaceGLX(
VADisplay dpy,
void *gl_surface
)
{
VADriverContextP ctx;
VAStatus status;
INIT_CONTEXT(ctx, dpy);
INVOKE(ctx, DestroySurface, (ctx, gl_surface));
return status;
}
// Copy a VA surface to a VA/GLX surface
VAStatus vaCopySurfaceGLX(
VADisplay dpy,
void *gl_surface,
VASurfaceID surface,
unsigned int flags
)
{
VADriverContextP ctx;
VAStatus status;
INIT_CONTEXT(ctx, dpy);
INVOKE(ctx, CopySurface, (ctx, gl_surface, surface, flags));
return status;
}
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