ws_dri_drmpool.c File Reference

Include dependency graph for ws_dri_drmpool.c:

Go to the source code of this file.

Functions
static void *	pool_create (struct _DriBufferPool *pool, unsigned long size, uint64_t flags, unsigned hint, unsigned alignment)
static void *	pool_reference (struct _DriBufferPool *pool, unsigned handle)
static int	pool_destroy (struct _DriBufferPool *pool, void *private)
static int	pool_unreference (struct _DriBufferPool *pool, void *private)
static int	pool_map (struct _DriBufferPool *pool, void *private, unsigned flags, int hint, pipe_mutex *mutex, void **virtual)
static int	pool_unmap (struct _DriBufferPool *pool, void *private)
static unsigned long	pool_offset (struct _DriBufferPool *pool, void *private)
static unsigned long	pool_poolOffset (struct _DriBufferPool *pool, void *private)
static uint64_t	pool_flags (struct _DriBufferPool *pool, void *private)
static unsigned long	pool_size (struct _DriBufferPool *pool, void *private)
static int	pool_fence (struct _DriBufferPool *pool, void *private, struct _DriFenceObject *fence)
static drmBO *	pool_kernel (struct _DriBufferPool *pool, void *private)
static int	pool_waitIdle (struct _DriBufferPool *pool, void *private, pipe_mutex *mutex, int lazy)
static void	pool_takedown (struct _DriBufferPool *pool)
struct _DriBufferPool *	driDRMPoolInit (int fd)

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Function Documentation

struct _DriBufferPool* driDRMPoolInit

(

int

fd

)

[read]

Definition at line 241 of file ws_dri_drmpool.c.

References _DriBufferPool::create, _DriBufferPool::data, _DriBufferPool::destroy, _DriBufferPool::fd, _DriBufferPool::fence, _DriBufferPool::flags, _DriBufferPool::kernel, _DriBufferPool::map, _DriBufferPool::offset, pool_create(), pool_destroy(), pool_fence(), pool_flags(), pool_kernel(), pool_map(), pool_offset(), pool_poolOffset(), pool_reference(), pool_size(), pool_takedown(), pool_unmap(), pool_unreference(), pool_waitIdle(), _DriBufferPool::poolOffset, _DriBufferPool::reference, _DriBufferPool::size, _DriBufferPool::takeDown, _DriBufferPool::unmap, _DriBufferPool::unreference, _DriBufferPool::validate, and _DriBufferPool::waitIdle.

{
   struct _DriBufferPool *pool;

   pool = (struct _DriBufferPool *) malloc(sizeof(*pool));

   if (!pool)
      return NULL;

   pool->fd = fd;
   pool->map = &pool_map;
   pool->unmap = &pool_unmap;
   pool->destroy = &pool_destroy;
   pool->offset = &pool_offset;
   pool->poolOffset = &pool_poolOffset;
   pool->flags = &pool_flags;
   pool->size = &pool_size;
   pool->create = &pool_create;
   pool->fence = &pool_fence;
   pool->kernel = &pool_kernel;
   pool->validate = NULL;
   pool->waitIdle = &pool_waitIdle;
   pool->takeDown = &pool_takedown;
   pool->reference = &pool_reference;
   pool->unreference = &pool_unreference;
   pool->data = NULL;
   return pool;
}

static void* pool_create	(	struct _DriBufferPool *	pool,
		unsigned long	size,
		uint64_t	flags,
		unsigned	hint,
		unsigned	alignment
	)			[static]

Definition at line 44 of file ws_dri_drmpool.c.

References _DriBufferPool::fd.

{
   drmBO *buf = (drmBO *) malloc(sizeof(*buf));
   int ret;
   unsigned pageSize = getpagesize();

   if (!buf)
      return NULL;

   if ((alignment > pageSize) && (alignment % pageSize)) {
      free(buf);
      return NULL;
   }

   ret = drmBOCreate(pool->fd, size, alignment / pageSize,
                     NULL,
                     flags, hint, buf);
   if (ret) {
      free(buf);
      return NULL;
   }

   return (void *) buf;
}

static int pool_destroy	(	struct _DriBufferPool *	pool,
		void *	private
	)			[static]

Definition at line 91 of file ws_dri_drmpool.c.

References driReadLockKernelBO(), driReadUnlockKernelBO(), and _DriBufferPool::fd.

{
   int ret;
   drmBO *buf = (drmBO *) private;
   driReadLockKernelBO();
   ret = drmBOUnreference(pool->fd, buf);
   free(buf);
   driReadUnlockKernelBO();
   return ret;
}

static int pool_fence	(	struct _DriBufferPool *	pool,
		void *	private,
		struct _DriFenceObject *	fence
	)			[static]

Definition at line 188 of file ws_dri_drmpool.c.

{
   /*
    * Noop. The kernel handles all fencing.
    */

   return 0;
}

static uint64_t pool_flags	(	struct _DriBufferPool *	pool,
		void *	private
	)			[static]

Definition at line 161 of file ws_dri_drmpool.c.

References driReadLockKernelBO(), and driReadUnlockKernelBO().

{
   drmBO *buf = (drmBO *) private;
   uint64_t flags;

   driReadLockKernelBO();
   flags = buf->flags;
   driReadUnlockKernelBO();

   return flags;
}

static drmBO* pool_kernel	(	struct _DriBufferPool *	pool,
		void *	private
	)			[static]

Definition at line 199 of file ws_dri_drmpool.c.

{
   return (drmBO *) private;
}

static int pool_map	(	struct _DriBufferPool *	pool,
		void *	private,
		unsigned	flags,
		int	hint,
		pipe_mutex *	mutex,
		void **	virtual
	)			[static]

Definition at line 115 of file ws_dri_drmpool.c.

References driReadLockKernelBO(), driReadUnlockKernelBO(), and _DriBufferPool::fd.

{
   drmBO *buf = (drmBO *) private;
   int ret;

   driReadLockKernelBO();
   ret = drmBOMap(pool->fd, buf, flags, hint, virtual);
   driReadUnlockKernelBO();
   return ret;
}

static unsigned long pool_offset	(	struct _DriBufferPool *	pool,
		void *	private
	)			[static]

Definition at line 141 of file ws_dri_drmpool.c.

References assert, driReadLockKernelBO(), driReadUnlockKernelBO(), and offset().

{
   drmBO *buf = (drmBO *) private;
   unsigned long offset;

   driReadLockKernelBO();
   assert(buf->flags & DRM_BO_FLAG_NO_MOVE);
   offset = buf->offset;
   driReadUnlockKernelBO();

   return buf->offset;
}

static unsigned long pool_poolOffset	(	struct _DriBufferPool *	pool,
		void *	private
	)			[static]

Definition at line 155 of file ws_dri_drmpool.c.

{
   return 0;
}

static void* pool_reference	(	struct _DriBufferPool *	pool,
		unsigned	handle
	)			[static]

Definition at line 72 of file ws_dri_drmpool.c.

References _DriBufferPool::fd.

{
   drmBO *buf = (drmBO *) malloc(sizeof(*buf));
   int ret;

   if (!buf)
      return NULL;

   ret = drmBOReference(pool->fd, handle, buf);

   if (ret) {
      free(buf);
      return NULL;
   }

   return (void *) buf;
}

static unsigned long pool_size	(	struct _DriBufferPool *	pool,
		void *	private
	)			[static]

Definition at line 175 of file ws_dri_drmpool.c.

References driReadLockKernelBO(), and driReadUnlockKernelBO().

{
   drmBO *buf = (drmBO *) private;
   unsigned long size;

   driReadLockKernelBO();
   size = buf->size;
   driReadUnlockKernelBO();

   return buf->size;
}

static void pool_takedown

(

struct _DriBufferPool *

pool

)

[static]

Definition at line 220 of file ws_dri_drmpool.c.

{
   free(pool);
}

static int pool_unmap	(	struct _DriBufferPool *	pool,
		void *	private
	)			[static]

Definition at line 128 of file ws_dri_drmpool.c.

References driReadLockKernelBO(), driReadUnlockKernelBO(), and _DriBufferPool::fd.

{
   drmBO *buf = (drmBO *) private;
   int ret;

   driReadLockKernelBO();
   ret = drmBOUnmap(pool->fd, buf);
   driReadUnlockKernelBO();

   return ret;
}

static int pool_unreference	(	struct _DriBufferPool *	pool,
		void *	private
	)			[static]

Definition at line 103 of file ws_dri_drmpool.c.

References driReadLockKernelBO(), driReadUnlockKernelBO(), and _DriBufferPool::fd.

{
   int ret;
   drmBO *buf = (drmBO *) private;
   driReadLockKernelBO();
   ret = drmBOUnreference(pool->fd, buf);
   free(buf);
   driReadUnlockKernelBO();
   return ret;
}

static int pool_waitIdle	(	struct _DriBufferPool *	pool,
		void *	private,
		pipe_mutex *	mutex,
		int	lazy
	)			[static]

Definition at line 205 of file ws_dri_drmpool.c.

References driReadLockKernelBO(), driReadUnlockKernelBO(), and _DriBufferPool::fd.

{
   drmBO *buf = (drmBO *) private;
   int ret;

   driReadLockKernelBO();
   ret = drmBOWaitIdle(pool->fd, buf, (lazy) ? DRM_BO_HINT_WAIT_LAZY:0);
   driReadUnlockKernelBO();

   return ret;
}

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