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/*
* Copyright (c) 2011 Intel Corporation. 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 INTEL 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.
*/
#ifndef VA_EGL_H
#define VA_EGL_H
#include <va/va.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* \defgroup api_winsys_egl VA/EGL API
*
* @{
*/
/*This function is used to get EGLClientBuffer
* (lower 16bits is buffer index, upper 16bits
* is BC device id.) from surface id. Application
* should maintain EGLClientBuffer itself.*/
/* DEPRECATED */
VAStatus vaGetEGLClientBufferFromSurface (
VADisplay dpy,
VASurfaceID surface,
EGLClientBuffer *buffer /* out*/
);
/**
* \brief Buffer structures.
*
* The buffer structure defines how many EGLImages need to be created
* and used for rendering, which components will be sampled from each
* EGLImage and how they map to rgba components in the shade code.
*
* @note
* The naming convention separates planes by '_' and within each
* plane, the order of R, G, B, A, Y, U and V indicates how those
* components map to the rgba value returned by the sampler. X
* indicates that the corresponding component in the rgba value is not
* used.
*/
enum {
/** \brief Packed RGB, with significant alpha channel. */
VA_EGL_BUFFER_STRUCTURE_RGBA = 0x305e,
/** \brief Packed RGB, alpha channel is not relevant. */
VA_EGL_BUFFER_STRUCTURE_RGB = 0x305d,
/** \brief Planar YUV, 1 plane for Y and 1 plane for UV. */
VA_EGL_BUFFER_STRUCTURE_Y_UV = 0x31d8,
/** \brief Planar YUV, 3 planes for Y U V. */
VA_EGL_BUFFER_STRUCTURE_Y_U_V = 0x31d7,
};
/** \brief Picture structures. */
enum {
/** \brief Whole frame picture. */
VA_EGL_PICTURE_STRUCTURE_FRAME = VA_FRAME_PICTURE,
/** \brief Top-field picture. */
VA_EGL_PICTURE_STRUCTURE_TOP_FIELD = VA_TOP_FIELD,
/** \brief Bottom-field picture. */
VA_EGL_PICTURE_STRUCTURE_BOTTOM_FIELD = VA_BOTTOM_FIELD
};
/** \brief VA buffer info specific to the EGL backend. */
typedef struct _VABufferInfoEGL {
/** \brief Underlying surface buffer suitable for eglCreateImageKHR(). */
EGLClientBuffer buffer;
/** \brief Buffer structure, see VA_EGL_BUFFER_STRUCTURE_xxx. */
unsigned int structure;
/** \brief Surface width in pixels. */
unsigned int width;
/** \brief Surface height in pixels. */
unsigned int height;
} VABufferInfoEGL;
/**
* \brief Returns the EGL client buffer info associated with a VA surface.
*
* This functions returns the underlying surface buffer handle
* suitable to eglCreateImageKHR() along with some additional
* information describing the VA @surface size and buffer structure.
*
* @param[in] dpy the VA display
* @param[in] surface the VA surface
* @param[out] out_buffer_info the returned VA/EGL buffer information
* @return VA_STATUS_SUCCESS if operation is successful, another #VAStatus
* value otherwise.
*/
VAStatus
vaGetSurfaceBufferEGL(
VADisplay dpy,
VASurfaceID surface,
VABufferInfoEGL *out_buffer_info
);
/**
* \brief Returns the EGL client buffer info associated with a VA image.
*
* This functions returns the underlying image buffer handle suitable
* to eglCreateImageKHR() along with some additional information
* describing the VA @image size and buffer structure.
*
* Note: paletted formats are not supported. In this case,
* VA_STATUS_ERROR_INVALID_IMAGE_FORMAT is returned.
*
* @param[in] dpy the VA display
* @param[in] image the VA image
* @param[out] out_buffer_info the returned VA/EGL buffer information
* @return VA_STATUS_SUCCESS if operation is successful, another #VAStatus
* value otherwise.
*/
VAStatus
vaGetImageBufferEGL(
VADisplay dpy,
VAImageID image,
VABufferInfoEGL *out_buffer_info
);
/**@}*/
#ifdef __cplusplus
}
#endif
#endif /* VA_EGL_H */
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