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/*
* Copyright 2012 Advanced Micro Devices, Inc.
*
* 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, sublicense,
* 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 AMDGPU_BO_HELPER_H
#define AMDGPU_BO_HELPER_H 1
#include "amdgpu_drv.h"
extern struct amdgpu_buffer *amdgpu_alloc_pixmap_bo(ScrnInfoPtr pScrn, int width,
int height, int depth, int usage_hint,
int bitsPerPixel, int *new_pitch);
extern void amdgpu_pixmap_clear(PixmapPtr pixmap);
extern Bool amdgpu_bo_get_handle(struct amdgpu_buffer *bo, uint32_t *handle);
extern uint64_t amdgpu_pixmap_get_tiling_info(PixmapPtr pixmap);
extern Bool amdgpu_pixmap_get_handle(PixmapPtr pixmap, uint32_t *handle);
extern int amdgpu_bo_map(ScrnInfoPtr pScrn, struct amdgpu_buffer *bo);
extern void amdgpu_bo_unmap(struct amdgpu_buffer *bo);
extern Bool
amdgpu_set_shared_pixmap_backing(PixmapPtr ppix, void *fd_handle);
/* helper function to allocate memory to be used for GPU operations
*
* \param pDev - \c [in] device handle
* \param alloc_size - \c [in] allocation size
* \param phys_alignment - \c [in] requested alignment. 0 means no alignment requirement
* \param domains - \c [in] GEM domains
*
* \return pointer to amdgpu_buffer on success
* NULL on failure
*/
extern struct amdgpu_buffer *amdgpu_bo_open(amdgpu_device_handle pDev,
uint32_t alloc_size,
uint32_t phys_alignment,
uint32_t domains);
/* helper function to add the ref_count of a amdgpu_buffer
* \param buffer - \c [in] amdgpu_buffer
*/
extern void amdgpu_bo_ref(struct amdgpu_buffer *buffer);
/* helper function to dec the ref_count of a amdgpu_buffer
* \param buffer - \c [in] amdgpu_buffer
*/
extern void amdgpu_bo_unref(struct amdgpu_buffer **buffer);
/* helper function to query the buffer size
* \param buf_handle - \c [in] amdgpu bo handle
* \param size - \c [out] pointer to buffer size
*
* \return 0 on success
>0 - AMD specific error code \n
<0 - Negative POSIX error code
*/
int amdgpu_query_bo_size(amdgpu_bo_handle buf_handle, uint32_t *size);
/* helper function to query the heap information
* \param pDev - \c [in] amdgpu device handle
* \param heap - \c [in] heap type
* \param heap_size - \c [out] theoretical max available memory
* \param max_allcoation - \c [out] theoretical possible max. size of buffer
*
* \return 0 on success
>0 - AMD specific error code \n
<0 - Negative POSIX error code
*/
int amdgpu_query_heap_size(amdgpu_device_handle pDev,
uint32_t heap,
uint64_t *heap_size,
uint64_t *max_allocation);
/* helper function to convert a DMA buf handle to a KMS handle
* \param pDev - \c [in] amdgpu device handle
* \param fd_handle - \c [in] dma-buf fd handle
* \size size - \c [in] buffer size
*
* \return pointer to amdgpu_buffer on success
NULL on failure
*/
struct amdgpu_buffer *amdgpu_gem_bo_open_prime(amdgpu_device_handle pDev,
int fd_handle,
uint32_t size);
/**
* get_drawable_pixmap() returns the backing pixmap for a given drawable.
*
* @param drawable the drawable being requested.
*
* This function returns the backing pixmap for a drawable, whether it is a
* redirected window, unredirected window, or already a pixmap.
*/
static inline PixmapPtr get_drawable_pixmap(DrawablePtr drawable)
{
if (drawable->type == DRAWABLE_PIXMAP)
return (PixmapPtr)drawable;
else
return drawable->pScreen->GetWindowPixmap((WindowPtr)drawable);
}
#endif /* AMDGPU_BO_HELPER_H */
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