COMMON_BM_SOURCES = \
../common/dri_bufmgr.c \
- ../common/dri_drmpool.c
+ ../common/dri_bufmgr_ttm.c \
+ ../common/dri_bufmgr_fake.c
ifeq ($(WINDOW_SYSTEM),dri)
-/**************************************************************************
- *
- * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
- * All Rights Reserved.
- *
+/*
+ * Copyright © 2007 Intel Corporation
+ *
* 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:
- *
+ * 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 (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
- * THE COPYRIGHT HOLDERS, AUTHORS 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.
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
*
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- *
- **************************************************************************/
-/*
- * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
- * Keith Whitwell <keithw-at-tungstengraphics-dot-com>
*/
-#include <xf86drm.h>
-#include <stdlib.h>
-#include "glthread.h"
-#include "errno.h"
+#include "mtypes.h"
#include "dri_bufmgr.h"
-#include "string.h"
-#include "imports.h"
-#include "dri_bufpool.h"
-_glthread_DECLARE_STATIC_MUTEX(bmMutex);
-
-/*
- * TODO: Introduce fence pools in the same way as
- * buffer object pools.
+/** @file dri_bufmgr.c
+ *
+ * Convenience functions for buffer management methods.
*/
-
-
-typedef struct _DriFenceObject
-{
- int fd;
- _glthread_Mutex mutex;
- int refCount;
- const char *name;
- drmFence fence;
-} DriFenceObject;
-
-typedef struct _DriBufferObject
-{
- DriBufferPool *pool;
- _glthread_Mutex mutex;
- int refCount;
- const char *name;
- unsigned flags;
- unsigned hint;
- unsigned alignment;
- void *private;
-} DriBufferObject;
-
-
-void
-bmError(int val, const char *file, const char *function, int line)
-{
- _mesa_printf("Fatal video memory manager error \"%s\".\n"
- "Check kernel logs or set the LIBGL_DEBUG\n"
- "environment variable to \"verbose\" for more info.\n"
- "Detected in file %s, line %d, function %s.\n",
- strerror(-val), file, line, function);
-#ifndef NDEBUG
- abort();
-#else
- abort();
-#endif
-}
-
-DriFenceObject *
-driFenceBuffers(int fd, char *name, unsigned flags)
-{
- DriFenceObject *fence = (DriFenceObject *) malloc(sizeof(*fence));
- int ret;
-
- if (!fence)
- BM_CKFATAL(-EINVAL);
-
- _glthread_LOCK_MUTEX(bmMutex);
- fence->refCount = 1;
- fence->name = name;
- fence->fd = fd;
- _glthread_INIT_MUTEX(fence->mutex);
- ret = drmFenceBuffers(fd, flags, &fence->fence);
- _glthread_UNLOCK_MUTEX(bmMutex);
- if (ret) {
- free(fence);
- BM_CKFATAL(ret);
- }
- return fence;
-}
-
-
-unsigned
-driFenceType(DriFenceObject * fence)
+dri_bo *
+dri_bo_alloc(dri_bufmgr *bufmgr, const char *name, unsigned long size,
+ unsigned int alignment, unsigned int flags, unsigned int hint)
{
- unsigned ret;
-
- _glthread_LOCK_MUTEX(bmMutex);
- ret = fence->fence.flags;
- _glthread_UNLOCK_MUTEX(bmMutex);
-
- return ret;
+ return bufmgr->bo_alloc(bufmgr, name, size, alignment, flags, hint);
}
-
-DriFenceObject *
-driFenceReference(DriFenceObject * fence)
+dri_bo *
+dri_bo_alloc_static(dri_bufmgr *bufmgr, const char *name, unsigned long offset,
+ unsigned long size, void *virtual, unsigned int flags,
+ unsigned int hint)
{
- _glthread_LOCK_MUTEX(bmMutex);
- ++fence->refCount;
- _glthread_UNLOCK_MUTEX(bmMutex);
- return fence;
+ return bufmgr->bo_alloc_static(bufmgr, name, offset, size, virtual,
+ flags, hint);
}
void
-driFenceUnReference(DriFenceObject * fence)
+dri_bo_reference(dri_bo *bo)
{
- if (!fence)
- return;
-
- _glthread_LOCK_MUTEX(bmMutex);
- if (--fence->refCount == 0) {
- drmFenceDestroy(fence->fd, &fence->fence);
- free(fence);
- }
- _glthread_UNLOCK_MUTEX(bmMutex);
+ bo->bufmgr->bo_reference(bo);
}
void
-driFenceFinish(DriFenceObject * fence, unsigned type, int lazy)
+dri_bo_unreference(dri_bo *bo)
{
- int ret;
- unsigned flags = (lazy) ? DRM_FENCE_FLAG_WAIT_LAZY : 0;
-
- _glthread_LOCK_MUTEX(fence->mutex);
- ret = drmFenceWait(fence->fd, flags, &fence->fence, type);
- _glthread_UNLOCK_MUTEX(fence->mutex);
- BM_CKFATAL(ret);
+ bo->bufmgr->bo_unreference(bo);
}
int
-driFenceSignaled(DriFenceObject * fence, unsigned type)
+dri_bo_map(dri_bo *buf, GLboolean write_enable)
{
- int signaled;
- int ret;
-
- if (fence == NULL)
- return GL_TRUE;
-
- _glthread_LOCK_MUTEX(fence->mutex);
- ret = drmFenceSignaled(fence->fd, &fence->fence, type, &signaled);
- _glthread_UNLOCK_MUTEX(fence->mutex);
- BM_CKFATAL(ret);
- return signaled;
-}
-
-
-extern drmBO *
-driBOKernel(struct _DriBufferObject *buf)
-{
- drmBO *ret;
-
- assert(buf->private != NULL);
- ret = buf->pool->kernel(buf->pool, buf->private);
- if (!ret)
- BM_CKFATAL(-EINVAL);
-
- return ret;
-}
-
-void
-driBOWaitIdle(struct _DriBufferObject *buf, int lazy)
-{
- assert(buf->private != NULL);
-
- _glthread_LOCK_MUTEX(buf->mutex);
- BM_CKFATAL(buf->pool->waitIdle(buf->pool, buf->private, lazy));
- _glthread_UNLOCK_MUTEX(buf->mutex);
+ return buf->bufmgr->bo_map(buf, write_enable);
}
-void *
-driBOMap(struct _DriBufferObject *buf, unsigned flags, unsigned hint)
-{
- void *virtual;
-
- assert(buf->private != NULL);
-
- _glthread_LOCK_MUTEX(buf->mutex);
- BM_CKFATAL(buf->pool->map(buf->pool, buf->private, flags, hint, &virtual));
- _glthread_UNLOCK_MUTEX(buf->mutex);
- return virtual;
-}
-
-void
-driBOUnmap(struct _DriBufferObject *buf)
-{
- assert(buf->private != NULL);
-
- buf->pool->unmap(buf->pool, buf->private);
-}
-
-unsigned long
-driBOOffset(struct _DriBufferObject *buf)
-{
- unsigned long ret;
-
- assert(buf->private != NULL);
-
- _glthread_LOCK_MUTEX(buf->mutex);
- ret = buf->pool->offset(buf->pool, buf->private);
- _glthread_UNLOCK_MUTEX(buf->mutex);
- return ret;
-}
-
-unsigned
-driBOFlags(struct _DriBufferObject *buf)
-{
- unsigned ret;
-
- assert(buf->private != NULL);
-
- _glthread_LOCK_MUTEX(buf->mutex);
- ret = buf->pool->flags(buf->pool, buf->private);
- _glthread_UNLOCK_MUTEX(buf->mutex);
- return ret;
-}
-
-struct _DriBufferObject *
-driBOReference(struct _DriBufferObject *buf)
-{
- _glthread_LOCK_MUTEX(bmMutex);
- if (++buf->refCount == 1) {
- BM_CKFATAL(-EINVAL);
- }
- _glthread_UNLOCK_MUTEX(bmMutex);
- return buf;
-}
-
-void
-driBOUnReference(struct _DriBufferObject *buf)
-{
- int tmp;
-
- if (!buf)
- return;
-
- _glthread_LOCK_MUTEX(bmMutex);
- tmp = --buf->refCount;
- _glthread_UNLOCK_MUTEX(bmMutex);
- if (!tmp) {
- buf->pool->destroy(buf->pool, buf->private);
- free(buf);
- }
-}
-
-void
-driBOData(struct _DriBufferObject *buf,
- unsigned size, const void *data, unsigned flags)
-{
- void *virtual;
- int newBuffer;
- struct _DriBufferPool *pool;
-
- _glthread_LOCK_MUTEX(buf->mutex);
- pool = buf->pool;
- if (!pool->create) {
- _mesa_error(NULL, GL_INVALID_OPERATION,
- "driBOData called on invalid buffer\n");
- BM_CKFATAL(-EINVAL);
- }
- newBuffer = !buf->private || (pool->size(pool, buf->private) < size) ||
- pool->map(pool, buf->private, DRM_BO_FLAG_WRITE,
- DRM_BO_HINT_DONT_BLOCK, &virtual);
-
- if (newBuffer) {
- if (buf->private)
- pool->destroy(pool, buf->private);
- if (!flags)
- flags = buf->flags;
- buf->private = pool->create(pool, size, flags, 0, buf->alignment);
- if (!buf->private)
- BM_CKFATAL(-ENOMEM);
- BM_CKFATAL(pool->map(pool, buf->private,
- DRM_BO_FLAG_WRITE,
- DRM_BO_HINT_DONT_BLOCK, &virtual));
- }
-
- if (data != NULL)
- memcpy(virtual, data, size);
-
- BM_CKFATAL(pool->unmap(pool, buf->private));
- _glthread_UNLOCK_MUTEX(buf->mutex);
-}
-
-void
-driBOSubData(struct _DriBufferObject *buf,
- unsigned long offset, unsigned long size, const void *data)
-{
- void *virtual;
-
- _glthread_LOCK_MUTEX(buf->mutex);
- if (size && data) {
- BM_CKFATAL(buf->pool->map(buf->pool, buf->private,
- DRM_BO_FLAG_WRITE, 0, &virtual));
- memcpy((unsigned char *) virtual + offset, data, size);
- BM_CKFATAL(buf->pool->unmap(buf->pool, buf->private));
- }
- _glthread_UNLOCK_MUTEX(buf->mutex);
-}
-
-void
-driBOGetSubData(struct _DriBufferObject *buf,
- unsigned long offset, unsigned long size, void *data)
-{
- void *virtual;
-
- _glthread_LOCK_MUTEX(buf->mutex);
- if (size && data) {
- BM_CKFATAL(buf->pool->map(buf->pool, buf->private,
- DRM_BO_FLAG_READ, 0, &virtual));
- memcpy(data, (unsigned char *) virtual + offset, size);
- BM_CKFATAL(buf->pool->unmap(buf->pool, buf->private));
- }
- _glthread_UNLOCK_MUTEX(buf->mutex);
-}
-
-void
-driBOSetStatic(struct _DriBufferObject *buf,
- unsigned long offset,
- unsigned long size, void *virtual, unsigned flags)
-{
- _glthread_LOCK_MUTEX(buf->mutex);
- if (buf->private != NULL) {
- _mesa_error(NULL, GL_INVALID_OPERATION,
- "Invalid buffer for setStatic\n");
- BM_CKFATAL(-EINVAL);
- }
- if (buf->pool->setstatic == NULL) {
- _mesa_error(NULL, GL_INVALID_OPERATION,
- "Invalid buffer pool for setStatic\n");
- BM_CKFATAL(-EINVAL);
- }
-
- if (!flags)
- flags = buf->flags;
-
- buf->private = buf->pool->setstatic(buf->pool, offset, size,
- virtual, flags);
- if (!buf->private) {
- _mesa_error(NULL, GL_OUT_OF_MEMORY,
- "Invalid buffer pool for setStatic\n");
- BM_CKFATAL(-ENOMEM);
- }
- _glthread_UNLOCK_MUTEX(buf->mutex);
-}
-
-
-
-void
-driGenBuffers(struct _DriBufferPool *pool,
- const char *name,
- unsigned n,
- struct _DriBufferObject *buffers[],
- unsigned alignment, unsigned flags, unsigned hint)
+int
+dri_bo_unmap(dri_bo *buf)
{
- struct _DriBufferObject *buf;
- int i;
-
- flags = (flags) ? flags : DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_MEM_VRAM |
- DRM_BO_FLAG_MEM_LOCAL | DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE;
-
-
- for (i = 0; i < n; ++i) {
- buf = (struct _DriBufferObject *) calloc(1, sizeof(*buf));
- if (!buf)
- BM_CKFATAL(-ENOMEM);
-
- _glthread_INIT_MUTEX(buf->mutex);
- _glthread_LOCK_MUTEX(buf->mutex);
- _glthread_LOCK_MUTEX(bmMutex);
- buf->refCount = 1;
- _glthread_UNLOCK_MUTEX(bmMutex);
- buf->flags = flags;
- buf->hint = hint;
- buf->name = name;
- buf->alignment = alignment;
- buf->pool = pool;
- _glthread_UNLOCK_MUTEX(buf->mutex);
- buffers[i] = buf;
- }
+ return buf->bufmgr->bo_unmap(buf);
}
-void
-driDeleteBuffers(unsigned n, struct _DriBufferObject *buffers[])
-{
- int i;
-
- for (i = 0; i < n; ++i) {
- driBOUnReference(buffers[i]);
- }
-}
-
-
-void
-driInitBufMgr(int fd)
+int
+dri_bo_validate(dri_bo *buf, unsigned int flags)
{
- ;
+ return buf->bufmgr->bo_validate(buf, flags);
}
-
-void
-driBOCreateList(int target, drmBOList * list)
+dri_fence *
+dri_fence_validated(dri_bufmgr *bufmgr, const char *name, GLboolean flushed)
{
- _glthread_LOCK_MUTEX(bmMutex);
- BM_CKFATAL(drmBOCreateList(target, list));
- _glthread_UNLOCK_MUTEX(bmMutex);
+ return bufmgr->fence_validated(bufmgr, name, flushed);
}
void
-driBOResetList(drmBOList * list)
+dri_fence_reference(dri_fence *fence)
{
- _glthread_LOCK_MUTEX(bmMutex);
- BM_CKFATAL(drmBOResetList(list));
- _glthread_UNLOCK_MUTEX(bmMutex);
+ fence->bufmgr->fence_reference(fence);
}
void
-driBOAddListItem(drmBOList * list, struct _DriBufferObject *buf,
- unsigned flags, unsigned mask)
+dri_fence_unreference(dri_fence *fence)
{
- int newItem;
-
- _glthread_LOCK_MUTEX(buf->mutex);
- _glthread_LOCK_MUTEX(bmMutex);
- BM_CKFATAL(drmAddValidateItem(list, driBOKernel(buf),
- flags, mask, &newItem));
- _glthread_UNLOCK_MUTEX(bmMutex);
-
- /*
- * Tell userspace pools to validate the buffer. This should be a
- * noop if the pool is already validated.
- * FIXME: We should have a list for this as well.
- */
-
- if (buf->pool->validate) {
- BM_CKFATAL(buf->pool->validate(buf->pool, buf->private));
- }
-
- _glthread_UNLOCK_MUTEX(buf->mutex);
+ fence->bufmgr->fence_unreference(fence);
}
void
-driBOFence(struct _DriBufferObject *buf, struct _DriFenceObject *fence)
+dri_bo_subdata(dri_bo *bo, unsigned long offset,
+ unsigned long size, const void *data)
{
- _glthread_LOCK_MUTEX(buf->mutex);
- BM_CKFATAL(buf->pool->fence(buf->pool, buf->private, fence));
- _glthread_UNLOCK_MUTEX(buf->mutex);
+ if (size == 0 || data == NULL)
+ return;
+ dri_bo_map(bo, GL_TRUE);
+ memcpy((unsigned char *)bo->virtual + offset, data, size);
+ dri_bo_unmap(bo);
}
-void
-driBOValidateList(int fd, drmBOList * list)
-{
- _glthread_LOCK_MUTEX(bmMutex);
- BM_CKFATAL(drmBOValidateList(fd, list));
- _glthread_UNLOCK_MUTEX(bmMutex);
-}
void
-driPoolTakeDown(struct _DriBufferPool *pool)
+dri_bo_get_subdata(dri_bo *bo, unsigned long offset,
+ unsigned long size, void *data)
{
- pool->takeDown(pool);
+ if (size == 0 || data == NULL)
+ return;
+ dri_bo_map(bo, GL_FALSE);
+ memcpy(data, (unsigned char *)bo->virtual + offset, size);
+ dri_bo_unmap(bo);
}
/**************************************************************************
*
+ * Copyright © 2007 Intel Corporation
* Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
* All Rights Reserved.
*
/*
* Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
* Keith Whitwell <keithw-at-tungstengraphics-dot-com>
+ * Eric Anholt <eric@anholt.net>
*/
#ifndef _DRI_BUFMGR_H_
#define _DRI_BUFMGR_H_
#include <xf86drm.h>
+typedef struct _dri_bufmgr dri_bufmgr;
+typedef struct _dri_bo dri_bo;
+typedef struct _dri_fence dri_fence;
-struct _DriFenceObject;
-struct _DriBufferObject;
-struct _DriBufferPool;
+struct _dri_bo {
+ /** Size in bytes of the buffer object. */
+ unsigned long size;
+ /**
+ * Card virtual address (offset from the beginning of the aperture) for the
+ * object. Only valid while validated.
+ */
+ unsigned long offset;
+ /**
+ * Virtual address for accessing the buffer data. Only valid while mapped.
+ */
+ void *virtual;
+ /** Buffer manager context associated with this buffer object */
+ dri_bufmgr *bufmgr;
+};
-extern struct _DriFenceObject *driFenceBuffers(int fd, char *name,
- unsigned flags);
+struct _dri_fence {
+ /**
+ * This is an ORed mask of DRM_BO_FLAG_READ, DRM_BO_FLAG_WRITE, and
+ * DRM_FLAG_EXE indicating the operations associated with this fence.
+ *
+ * It is constant for the life of the fence object.
+ */
+ unsigned int type;
+ /** Buffer manager context associated with this fence */
+ dri_bufmgr *bufmgr;
+};
-extern struct _DriFenceObject *driFenceReference(struct _DriFenceObject *fence);
+/**
+ * Context for a buffer manager instance.
+ *
+ * Contains public methods followed by private storage for the buffer manager.
+ */
+struct _dri_bufmgr {
+ /**
+ * Allocate a buffer object.
+ *
+ * Buffer objects are not necessarily initially mapped into CPU virtual
+ * address space or graphics device aperture. They must be mapped using
+ * bo_map() to be used by the CPU, and validated for use using bo_validate()
+ * to be used from the graphics device.
+ *
+ * XXX: flags/hint reason to live?
+ */
+ dri_bo *(*bo_alloc)(dri_bufmgr *bufmgr_ctx, const char *name,
+ unsigned long size, unsigned int alignment,
+ unsigned int flags, unsigned int hint);
-extern void driFenceUnReference(struct _DriFenceObject *fence);
+ /**
+ * Allocates a buffer object for a static allocation.
+ *
+ * Static allocations are ones such as the front buffer that are offered by
+ * the X Server, which are never evicted and never moved.
+ *
+ * XXX: flags/hint reason to live?
+ */
+ dri_bo *(*bo_alloc_static)(dri_bufmgr *bufmgr_ctx, const char *name,
+ unsigned long offset, unsigned long size,
+ void *virtual, unsigned int flags,
+ unsigned int hint);
-extern void
-driFenceFinish(struct _DriFenceObject *fence, unsigned type, int lazy);
+ /** Takes a reference on a buffer object */
+ void (*bo_reference)(dri_bo *bo);
-extern int driFenceSignaled(struct _DriFenceObject *fence, unsigned type);
-extern unsigned driFenceType(struct _DriFenceObject *fence);
+ /**
+ * Releases a reference on a buffer object, freeing the data if
+ * rerefences remain.
+ */
+ void (*bo_unreference)(dri_bo *bo);
-/*
- * Return a pointer to the libdrm buffer object this DriBufferObject
- * uses.
- */
+ /**
+ * Maps the buffer into userspace.
+ *
+ * This function will block waiting for any existing fence on the buffer to
+ * clear, first. The resulting mapping is available at buf->virtual.
+\ */
+ int (*bo_map)(dri_bo *buf, GLboolean write_enable);
+
+ /** Reduces the refcount on the userspace mapping of the buffer object. */
+ int (*bo_unmap)(dri_bo *buf);
+
+ /**
+ * Makes the buffer accessible to the graphics chip.
+ *
+ * The resulting offset of the buffer within the graphics aperture is then
+ * available at buf->offset until the buffer is fenced.
+ *
+ * Flags should consist of the memory types that the buffer may be validated
+ * into and the read/write/exe flags appropriate to the use of the buffer.
+ */
+ int (*bo_validate)(dri_bo *buf, unsigned int flags);
+
+ /**
+ * Associates the current set of validated buffers with a fence.
+ *
+ * Once fenced, the buffer manager will allow the validated buffers to be
+ * evicted when the graphics device's execution has passed the fence
+ * command.
+ *
+ * The fence object will have flags for the sum of the read/write/exe flags
+ * of the validated buffers associated with it.
+ */
+ dri_fence * (*fence_validated)(dri_bufmgr *bufmgr, const char *name,
+ GLboolean flushed);
+
+ /** Takes a reference on a fence object */
+ void (*fence_reference)(dri_fence *fence);
-extern drmBO *driBOKernel(struct _DriBufferObject *buf);
-extern void *driBOMap(struct _DriBufferObject *buf, unsigned flags,
- unsigned hint);
-extern void driBOUnmap(struct _DriBufferObject *buf);
-extern unsigned long driBOOffset(struct _DriBufferObject *buf);
-extern unsigned driBOFlags(struct _DriBufferObject *buf);
-extern struct _DriBufferObject *driBOReference(struct _DriBufferObject *buf);
-extern void driBOUnReference(struct _DriBufferObject *buf);
+ /**
+ * Releases a reference on a fence object, freeing the data if
+ * rerefences remain.
+ */
+ void (*fence_unreference)(dri_fence *fence);
+
+ /**
+ * Blocks until the given fence is signaled.
+ */
+ void (*fence_wait)(dri_fence *fence);
+
+ /**
+ * Checks and returns whether the given fence is signaled.
+ */
+};
+
+/*
extern void driBOData(struct _DriBufferObject *r_buf,
unsigned size, const void *data, unsigned flags);
extern void driBOSubData(struct _DriBufferObject *buf,
extern void driBOGetSubData(struct _DriBufferObject *buf,
unsigned long offset, unsigned long size,
void *data);
-extern void driGenBuffers(struct _DriBufferPool *pool,
- const char *name,
- unsigned n,
- struct _DriBufferObject *buffers[],
- unsigned alignment, unsigned flags, unsigned hint);
-extern void driDeleteBuffers(unsigned n, struct _DriBufferObject *buffers[]);
-extern void driInitBufMgr(int fd);
-extern void driBOCreateList(int target, drmBOList * list);
-extern void driBOResetList(drmBOList * list);
-extern void driBOAddListItem(drmBOList * list, struct _DriBufferObject *buf,
- unsigned flags, unsigned mask);
-extern void driBOValidateList(int fd, drmBOList * list);
-
-extern void driBOFence(struct _DriBufferObject *buf,
- struct _DriFenceObject *fence);
-
-extern void driPoolTakeDown(struct _DriBufferPool *pool);
-extern void driBOSetStatic(struct _DriBufferObject *buf,
- unsigned long offset,
- unsigned long size, void *virtual, unsigned flags);
-extern void driBOWaitIdle(struct _DriBufferObject *buf, int lazy);
-extern void driPoolTakeDown(struct _DriBufferPool *pool);
+*/
+
+dri_bo *dri_bo_alloc(dri_bufmgr *bufmgr, const char *name, unsigned long size,
+ unsigned int alignment, unsigned int flags,
+ unsigned int hint);
+dri_bo *dri_bo_alloc_static(dri_bufmgr *bufmgr, const char *name,
+ unsigned long offset, unsigned long size,
+ void *virtual, unsigned int flags,
+ unsigned int hint);
+void dri_bo_reference(dri_bo *bo);
+void dri_bo_unreference(dri_bo *bo);
+int dri_bo_map(dri_bo *buf, GLboolean write_enable);
+int dri_bo_unmap(dri_bo *buf);
+int dri_bo_validate(dri_bo *buf, unsigned int flags);
+dri_fence *dri_fence_validated(dri_bufmgr *bufmgr, const char *name,
+ GLboolean flushed);
+void dri_fence_reference(dri_fence *fence);
+void dri_fence_unreference(dri_fence *fence);
+
+void dri_bo_subdata(dri_bo *bo, unsigned long offset,
+ unsigned long size, const void *data);
+void dri_bo_get_subdata(dri_bo *bo, unsigned long offset,
+ unsigned long size, void *data);
+
+dri_bufmgr *dri_bufmgr_ttm_init(int fd, unsigned int fence_type,
+ unsigned int fence_type_flush);
+
+void dri_bufmgr_fake_contended_lock_take(dri_bufmgr *bufmgr);
+dri_bufmgr *dri_bufmgr_fake_init(unsigned long low_offset, void *low_virtual,
+ unsigned long size,
+ unsigned int (*fence_emit)(void *private),
+ int (*fence_wait)(void *private,
+ unsigned int cookie),
+ void *driver_priv);
+void dri_bufmgr_fake_contended_lock_take(dri_bufmgr *bufmgr);
#endif
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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 TUNGSTEN GRAPHICS 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.
+ *
+ **************************************************************************/
+
+/* Originally a fake version of the buffer manager so that we can
+ * prototype the changes in a driver fairly quickly, has been fleshed
+ * out to a fully functional interim solution.
+ *
+ * Basically wraps the old style memory management in the new
+ * programming interface, but is more expressive and avoids many of
+ * the bugs in the old texture manager.
+ */
+#include "mtypes.h"
+#include "dri_bufmgr.h"
+#include "drm.h"
+
+#include "simple_list.h"
+#include "mm.h"
+#include "imports.h"
+
+#define DBG(...)
+
+/* Internal flags:
+ */
+#define BM_NO_BACKING_STORE DRM_BO_FLAG_MEM_PRIV0
+#define BM_NO_FENCE_SUBDATA DRM_BO_FLAG_MEM_PRIV1
+
+/* Wrapper around mm.c's mem_block, which understands that you must
+ * wait for fences to expire before memory can be freed. This is
+ * specific to our use of memcpy for uploads - an upload that was
+ * processed through the command queue wouldn't need to care about
+ * fences.
+ */
+struct block {
+ struct block *next, *prev;
+ struct mem_block *mem; /* BM_MEM_AGP */
+
+ unsigned referenced:1;
+ unsigned on_hardware:1;
+ unsigned fenced:1;
+
+ unsigned fence; /* BM_MEM_AGP, Split to read_fence, write_fence */
+
+ dri_bo *bo;
+ void *virtual;
+};
+
+typedef struct _bufmgr_fake {
+ dri_bufmgr bufmgr;
+
+ _glthread_Mutex mutex; /**< for thread safety */
+
+ unsigned long low_offset;
+ unsigned long size;
+ void *virtual;
+
+ struct mem_block *heap;
+ struct block lru; /* only allocated, non-fence-pending blocks here */
+
+ unsigned buf_nr; /* for generating ids */
+
+ struct block referenced; /* after bmBufferOffset */
+ struct block on_hardware; /* after bmValidateBuffers */
+ struct block fenced; /* after bmFenceBuffers (mi_flush, emit irq, write dword) */
+ /* then to bufmgr->lru or free() */
+
+ unsigned int last_fence;
+
+ unsigned fail:1;
+ unsigned need_fence:1;
+ GLboolean thrashing;
+
+ /**
+ * Driver callback to emit a fence, returning the cookie.
+ *
+ * Currently, this also requires that a write flush be emitted before
+ * emitting the fence, but this should change.
+ */
+ unsigned int (*fence_emit)(void *private);
+ /** Driver callback to wait for a fence cookie to have passed. */
+ int (*fence_wait)(void *private, unsigned int fence_cookie);
+ /** Driver-supplied argument to driver callbacks */
+ void *driver_priv;
+} dri_bufmgr_fake;
+
+typedef struct _dri_bo_fake {
+ dri_bo bo;
+
+ unsigned id; /* debug only */
+ const char *name;
+
+ unsigned dirty:1;
+ unsigned int refcount;
+ /* Flags may consist of any of the DRM_BO flags, plus
+ * DRM_BO_NO_BACKING_STORE and BM_NO_FENCE_SUBDATA, which are the first two
+ * driver private flags.
+ */
+ unsigned int flags;
+ unsigned int alignment;
+ GLboolean is_static;
+
+ struct block *block;
+ void *backing_store;
+ void (*invalidate_cb)(dri_bufmgr *bufmgr, void * );
+ void *invalidate_ptr;
+} dri_bo_fake;
+
+typedef struct _dri_fence_fake {
+ dri_fence fence;
+
+ const char *name;
+ unsigned int refcount;
+ unsigned int fence_cookie;
+ GLboolean flushed;
+} dri_fence_fake;
+
+static int clear_fenced(dri_bufmgr_fake *bufmgr_fake,
+ unsigned int fence_cookie);
+
+#define MAXFENCE 0x7fffffff
+
+static GLboolean FENCE_LTE( unsigned a, unsigned b )
+{
+ if (a == b)
+ return GL_TRUE;
+
+ if (a < b && b - a < (1<<24))
+ return GL_TRUE;
+
+ if (a > b && MAXFENCE - a + b < (1<<24))
+ return GL_TRUE;
+
+ return GL_FALSE;
+}
+
+static unsigned int
+_fence_emit_internal(dri_bufmgr_fake *bufmgr_fake)
+{
+ bufmgr_fake->last_fence = bufmgr_fake->fence_emit(bufmgr_fake->driver_priv);
+ return bufmgr_fake->last_fence;
+}
+
+static void
+_fence_wait_internal(dri_bufmgr_fake *bufmgr_fake, unsigned int cookie)
+{
+ int ret;
+
+ ret = bufmgr_fake->fence_wait(bufmgr_fake->driver_priv, cookie);
+ if (ret != 0) {
+ _mesa_printf("%s:%d: Error %d waiting for fence.\n",
+ __FILE__, __LINE__);
+ abort();
+ }
+ clear_fenced(bufmgr_fake, cookie);
+}
+
+static GLboolean
+_fence_test(dri_bufmgr_fake *bufmgr_fake, unsigned fence)
+{
+ /* Slight problem with wrap-around:
+ */
+ return fence == 0 || FENCE_LTE(fence, bufmgr_fake->last_fence);
+}
+
+/**
+ * Allocate a memory manager block for the buffer.
+ */
+static GLboolean
+alloc_block(dri_bo *bo)
+{
+ dri_bo_fake *bo_fake = (dri_bo_fake *)bo;
+ dri_bufmgr_fake *bufmgr_fake= (dri_bufmgr_fake *)bo->bufmgr;
+ struct block *block = (struct block *)calloc(sizeof *block, 1);
+ unsigned int align_log2 = ffs(bo_fake->alignment);
+ GLuint sz;
+
+ if (!block)
+ return GL_FALSE;
+
+ sz = (bo->size + bo_fake->alignment - 1) & ~(bo_fake->alignment - 1);
+
+ block->mem = mmAllocMem(bufmgr_fake->heap, sz, align_log2, 0);
+ if (!block->mem) {
+ free(block);
+ return GL_FALSE;
+ }
+
+ make_empty_list(block);
+
+ /* Insert at head or at tail???
+ */
+ insert_at_tail(&bufmgr_fake->lru, block);
+
+ block->virtual = bufmgr_fake->virtual + block->mem->ofs;
+ block->bo = bo;
+
+ bo_fake->block = block;
+
+ return GL_TRUE;
+}
+
+/* Release the card storage associated with buf:
+ */
+static void free_block(dri_bufmgr_fake *bufmgr_fake, struct block *block)
+{
+ DBG("free block %p\n", block);
+
+ if (!block)
+ return;
+
+ if (block->referenced) {
+ _mesa_printf("tried to free block on referenced list\n");
+ assert(0);
+ }
+ else if (block->on_hardware) {
+ block->bo = NULL;
+ }
+ else if (block->fenced) {
+ block->bo = NULL;
+ }
+ else {
+ DBG(" - free immediately\n");
+ remove_from_list(block);
+
+ mmFreeMem(block->mem);
+ free(block);
+ }
+}
+
+static void
+alloc_backing_store(dri_bo *bo)
+{
+ dri_bo_fake *bo_fake = (dri_bo_fake *)bo;
+ assert(!bo_fake->backing_store);
+ assert(!(bo_fake->flags & (DRM_BO_FLAG_NO_EVICT|BM_NO_BACKING_STORE)));
+
+ bo_fake->backing_store = ALIGN_MALLOC(bo->size, 64);
+}
+
+static void
+free_backing_store(dri_bo *bo)
+{
+ dri_bo_fake *bo_fake = (dri_bo_fake *)bo;
+ assert(!(bo_fake->flags & (DRM_BO_FLAG_NO_EVICT|BM_NO_BACKING_STORE)));
+
+ if (bo_fake->backing_store) {
+ ALIGN_FREE(bo_fake->backing_store);
+ bo_fake->backing_store = NULL;
+ }
+}
+
+static void
+set_dirty(dri_bo *bo)
+{
+ dri_bufmgr_fake *bufmgr_fake = (dri_bufmgr_fake *)bo->bufmgr;
+ dri_bo_fake *bo_fake = (dri_bo_fake *)bo;
+
+ if (bo_fake->flags & BM_NO_BACKING_STORE)
+ bo_fake->invalidate_cb(&bufmgr_fake->bufmgr, bo_fake->invalidate_ptr);
+
+ assert(!(bo_fake->flags & DRM_BO_FLAG_NO_EVICT));
+
+ DBG("set_dirty - buf %d\n", bo_fake->id);
+ bo_fake->dirty = 1;
+}
+
+static GLboolean
+evict_lru(dri_bufmgr_fake *bufmgr_fake, GLuint max_fence)
+{
+ struct block *block, *tmp;
+
+ DBG("%s\n", __FUNCTION__);
+
+ foreach_s(block, tmp, &bufmgr_fake->lru) {
+ dri_bo_fake *bo_fake = (dri_bo_fake *)block->bo;
+
+ if (bo_fake != NULL && (bo_fake->flags & BM_NO_FENCE_SUBDATA))
+ continue;
+
+ if (block->fence && max_fence && !FENCE_LTE(block->fence, max_fence))
+ return 0;
+
+ set_dirty(&bo_fake->bo);
+ bo_fake->block = NULL;
+
+ free_block(bufmgr_fake, block);
+ return GL_TRUE;
+ }
+
+ return GL_FALSE;
+}
+
+#define foreach_s_rev(ptr, t, list) \
+ for(ptr=(list)->prev,t=(ptr)->prev; list != ptr; ptr=t, t=(t)->prev)
+
+static GLboolean
+evict_mru(dri_bufmgr_fake *bufmgr_fake)
+{
+ struct block *block, *tmp;
+
+ DBG("%s\n", __FUNCTION__);
+
+ foreach_s_rev(block, tmp, &bufmgr_fake->lru) {
+ dri_bo_fake *bo_fake = (dri_bo_fake *)block->bo;
+
+ if (bo_fake && (bo_fake->flags & BM_NO_FENCE_SUBDATA))
+ continue;
+
+ set_dirty(&bo_fake->bo);
+ bo_fake->block = NULL;
+
+ free_block(bufmgr_fake, block);
+ return GL_TRUE;
+ }
+
+ return GL_FALSE;
+}
+
+/**
+ * Removes all objects from the fenced list older than the given fence.
+ */
+static int clear_fenced(dri_bufmgr_fake *bufmgr_fake,
+ unsigned int fence_cookie)
+{
+ struct block *block, *tmp;
+ int ret = 0;
+
+ foreach_s(block, tmp, &bufmgr_fake->fenced) {
+ assert(block->fenced);
+
+ if (_fence_test(bufmgr_fake, block->fence)) {
+
+ block->fenced = 0;
+
+ if (!block->bo) {
+ DBG("delayed free: offset %x sz %x\n",
+ block->mem->ofs, block->mem->size);
+ remove_from_list(block);
+ mmFreeMem(block->mem);
+ free(block);
+ }
+ else {
+ DBG("return to lru: offset %x sz %x\n",
+ block->mem->ofs, block->mem->size);
+ move_to_tail(&bufmgr_fake->lru, block);
+ }
+
+ ret = 1;
+ }
+ else {
+ /* Blocks are ordered by fence, so if one fails, all from
+ * here will fail also:
+ */
+ break;
+ }
+ }
+
+ /* Also check the referenced list:
+ */
+ foreach_s(block, tmp, &bufmgr_fake->referenced ) {
+ if (block->fenced && _fence_test(bufmgr_fake, block->fence)) {
+ block->fenced = 0;
+ }
+ }
+
+ DBG("%s: %d\n", __FUNCTION__, ret);
+ return ret;
+}
+
+static void fence_blocks(dri_bufmgr_fake *bufmgr_fake, unsigned fence)
+{
+ struct block *block, *tmp;
+
+ foreach_s (block, tmp, &bufmgr_fake->on_hardware) {
+ DBG("Fence block %p (sz 0x%x buf %p) with fence %d\n", block,
+ block->mem->size, block->bo, fence);
+ block->fence = fence;
+
+ block->on_hardware = 0;
+ block->fenced = 1;
+
+ /* Move to tail of pending list here
+ */
+ move_to_tail(&bufmgr_fake->fenced, block);
+ }
+
+ /* Also check the referenced list:
+ */
+ foreach_s (block, tmp, &bufmgr_fake->referenced) {
+ if (block->on_hardware) {
+ DBG("Fence block %p (sz 0x%x buf %p) with fence %d\n", block,
+ block->mem->size, block->bo, fence);
+
+ block->fence = fence;
+ block->on_hardware = 0;
+ block->fenced = 1;
+ }
+ }
+
+ assert(is_empty_list(&bufmgr_fake->on_hardware));
+}
+
+static GLboolean evict_and_alloc_block(dri_bo *bo)
+{
+ dri_bufmgr_fake *bufmgr_fake = (dri_bufmgr_fake *)bo->bufmgr;
+ dri_bo_fake *bo_fake = (dri_bo_fake *)bo;
+
+ assert(bo_fake->block == NULL);
+
+ /* Search for already free memory:
+ */
+ if (alloc_block(bo))
+ return GL_TRUE;
+
+ /* If we're not thrashing, allow lru eviction to dig deeper into
+ * recently used textures. We'll probably be thrashing soon:
+ */
+ if (!bufmgr_fake->thrashing) {
+ while (evict_lru(bufmgr_fake, 0))
+ if (alloc_block(bo))
+ return GL_TRUE;
+ }
+
+ /* Keep thrashing counter alive?
+ */
+ if (bufmgr_fake->thrashing)
+ bufmgr_fake->thrashing = 20;
+
+ /* Wait on any already pending fences - here we are waiting for any
+ * freed memory that has been submitted to hardware and fenced to
+ * become available:
+ */
+ while (!is_empty_list(&bufmgr_fake->fenced)) {
+ GLuint fence = bufmgr_fake->fenced.next->fence;
+ _fence_wait_internal(bufmgr_fake, fence);
+
+ if (alloc_block(bo))
+ return GL_TRUE;
+ }
+
+ if (!is_empty_list(&bufmgr_fake->on_hardware)) {
+ while (!is_empty_list(&bufmgr_fake->fenced)) {
+ GLuint fence = bufmgr_fake->fenced.next->fence;
+ _fence_wait_internal(bufmgr_fake, fence);
+ }
+
+ if (!bufmgr_fake->thrashing) {
+ DBG("thrashing\n");
+ }
+ bufmgr_fake->thrashing = 20;
+
+ if (alloc_block(bo))
+ return GL_TRUE;
+ }
+
+ while (evict_mru(bufmgr_fake))
+ if (alloc_block(bo))
+ return GL_TRUE;
+
+ DBG("%s 0x%x bytes failed\n", __FUNCTION__, bo->size);
+
+ assert(is_empty_list(&bufmgr_fake->on_hardware));
+ assert(is_empty_list(&bufmgr_fake->fenced));
+
+ return GL_FALSE;
+}
+
+/***********************************************************************
+ * Public functions
+ */
+
+/**
+ * Wait for hardware idle by emitting a fence and waiting for it.
+ */
+static void
+dri_bufmgr_fake_wait_idle(dri_bufmgr_fake *bufmgr_fake)
+{
+ unsigned int cookie;
+
+ cookie = bufmgr_fake->fence_emit(bufmgr_fake->driver_priv);
+ _fence_wait_internal(bufmgr_fake->driver_priv, cookie);
+}
+
+/* Specifically ignore texture memory sharing.
+ * -- just evict everything
+ * -- and wait for idle
+ */
+void
+dri_bufmgr_fake_contended_lock_take(dri_bufmgr *bufmgr)
+{
+ dri_bufmgr_fake *bufmgr_fake = (dri_bufmgr_fake *)bufmgr;
+
+ _glthread_LOCK_MUTEX(bufmgr_fake->mutex);
+ {
+ struct block *block, *tmp;
+
+ assert(is_empty_list(&bufmgr_fake->referenced));
+
+ bufmgr_fake->need_fence = 1;
+ bufmgr_fake->fail = 0;
+
+ /* Wait for hardware idle. We don't know where acceleration has been
+ * happening, so we'll need to wait anyway before letting anything get
+ * put on the card again.
+ */
+ dri_bufmgr_fake_wait_idle(bufmgr_fake);
+
+ assert(is_empty_list(&bufmgr_fake->fenced));
+ assert(is_empty_list(&bufmgr_fake->on_hardware));
+
+ foreach_s(block, tmp, &bufmgr_fake->lru) {
+ assert(_fence_test(bufmgr_fake, block->fence));
+ set_dirty(block->bo);
+ }
+ }
+ _glthread_UNLOCK_MUTEX(bufmgr_fake->mutex);
+}
+
+static dri_bo *
+dri_fake_alloc(dri_bufmgr *bufmgr, const char *name,
+ unsigned long size, unsigned int alignment, unsigned int flags,
+ unsigned int hint)
+{
+ dri_bufmgr_fake *bufmgr_fake;
+ dri_bo_fake *bo_fake;
+
+ bufmgr_fake = (dri_bufmgr_fake *)bufmgr;
+
+ bo_fake = calloc(1, sizeof(*bo_fake));
+ if (!bo_fake)
+ return NULL;
+
+ bo_fake->bo.size = size;
+ bo_fake->bo.offset = -1;
+ bo_fake->bo.virtual = NULL;
+ bo_fake->bo.bufmgr = bufmgr;
+ bo_fake->refcount = 1;
+
+ /* Alignment must be a power of two */
+ assert((alignment & (alignment - 1)) == 0);
+ if (alignment == 0)
+ alignment = 1;
+ bo_fake->alignment = alignment;
+ bo_fake->id = ++bufmgr_fake->buf_nr;
+ bo_fake->name = name;
+ bo_fake->flags = flags;
+ bo_fake->is_static = GL_FALSE;
+
+ return &bo_fake->bo;
+}
+
+static dri_bo *
+dri_fake_alloc_static(dri_bufmgr *bufmgr, const char *name,
+ unsigned long offset, unsigned long size, void *virtual,
+ unsigned int flags, unsigned int hint)
+{
+ dri_bufmgr_fake *bufmgr_fake;
+ dri_bo_fake *bo_fake;
+
+ bufmgr_fake = (dri_bufmgr_fake *)bufmgr;
+
+ bo_fake = calloc(1, sizeof(*bo_fake));
+ if (!bo_fake)
+ return NULL;
+
+ bo_fake->bo.size = size;
+ bo_fake->bo.offset = offset;
+ bo_fake->bo.virtual = virtual;
+ bo_fake->bo.bufmgr = bufmgr;
+ bo_fake->refcount = 1;
+ bo_fake->name = name;
+ bo_fake->flags = flags;
+ bo_fake->is_static = GL_TRUE;
+
+ return &bo_fake->bo;
+}
+
+static void
+dri_fake_bo_reference(dri_bo *bo)
+{
+ dri_bufmgr_fake *bufmgr_fake = (dri_bufmgr_fake *)bo->bufmgr;
+ dri_bo_fake *bo_fake = (dri_bo_fake *)bo;
+
+ _glthread_LOCK_MUTEX(bufmgr_fake->mutex);
+ bo_fake->refcount++;
+ _glthread_UNLOCK_MUTEX(bufmgr_fake->mutex);
+}
+
+static void
+dri_fake_bo_unreference(dri_bo *bo)
+{
+ dri_bufmgr_fake *bufmgr_fake = (dri_bufmgr_fake *)bo->bufmgr;
+ dri_bo_fake *bo_fake = (dri_bo_fake *)bo;
+
+ if (!bo)
+ return;
+
+ _glthread_LOCK_MUTEX(bufmgr_fake->mutex);
+ if (--bo_fake->refcount == 0) {
+ _glthread_UNLOCK_MUTEX(bufmgr_fake->mutex);
+ /* No remaining references, so free it */
+ if (bo_fake->block)
+ free_block(bufmgr_fake, bo_fake->block);
+ free_backing_store(bo);
+ free(bo);
+ return;
+ }
+ _glthread_UNLOCK_MUTEX(bufmgr_fake->mutex);
+}
+
+/**
+ * Map a buffer into bo->virtual, allocating either card memory space (If
+ * BM_NO_BACKING_STORE or DRM_BO_FLAG_NO_EVICT) or backing store, as necessary.
+ */
+static int
+dri_fake_bo_map(dri_bo *bo, GLboolean write_enable)
+{
+ dri_bufmgr_fake *bufmgr_fake = (dri_bufmgr_fake *)bo->bufmgr;
+ dri_bo_fake *bo_fake = (dri_bo_fake *)bo;
+
+ /* Static buffers are always mapped. */
+ if (bo_fake->is_static)
+ return 0;
+
+ _glthread_LOCK_MUTEX(bufmgr_fake->mutex);
+ {
+ DBG("bmMapBuffer %d\n", bo_fake->id);
+
+ if (bo->virtual != NULL) {
+ _mesa_printf("%s: already mapped\n", __FUNCTION__);
+ abort();
+ }
+ else if (bo_fake->flags & (BM_NO_BACKING_STORE|DRM_BO_FLAG_NO_EVICT)) {
+
+ if (!bo_fake->block && !evict_and_alloc_block(bo)) {
+ DBG("%s: alloc failed\n", __FUNCTION__);
+ bufmgr_fake->fail = 1;
+ _glthread_UNLOCK_MUTEX(bufmgr_fake->mutex);
+ return 1;
+ }
+ else {
+ assert(bo_fake->block);
+ bo_fake->dirty = 0;
+
+ if (!(bo_fake->flags & BM_NO_FENCE_SUBDATA))
+ dri_bufmgr_fake_wait_idle(bufmgr_fake);
+
+ bo->virtual = bo_fake->block->virtual;
+ }
+ }
+ else {
+ if (write_enable)
+ set_dirty(bo);
+
+ if (bo_fake->backing_store == 0)
+ alloc_backing_store(bo);
+
+ bo->virtual = bo_fake->backing_store;
+ }
+ }
+ _glthread_UNLOCK_MUTEX(bufmgr_fake->mutex);
+ return 0;
+}
+
+static int
+dri_fake_bo_unmap(dri_bo *bo)
+{
+ dri_bufmgr_fake *bufmgr_fake;
+ dri_bo_fake *bo_fake = (dri_bo_fake *)bo;
+
+ /* Static buffers are always mapped. */
+ if (bo_fake->is_static)
+ return 0;
+
+ if (bo == NULL)
+ return 0;
+
+ bufmgr_fake = (dri_bufmgr_fake *)bo->bufmgr;
+
+ bo->virtual = NULL;
+
+ return 0;
+}
+
+static int
+dri_fake_bo_validate(dri_bo *bo, unsigned int flags)
+{
+ dri_bufmgr_fake *bufmgr_fake;
+ dri_bo_fake *bo_fake = (dri_bo_fake *)bo;
+
+ /* XXX: Sanity-check whether we've already validated this one under
+ * different flags. See drmAddValidateItem().
+ */
+
+ bufmgr_fake = (dri_bufmgr_fake *)bo->bufmgr;
+
+ _glthread_LOCK_MUTEX(bufmgr_fake->mutex);
+ {
+ /* Allocate the card memory */
+ if (!bo_fake->block && !evict_and_alloc_block(bo)) {
+ bufmgr_fake->fail = 1;
+ _glthread_UNLOCK_MUTEX(bufmgr_fake->mutex);
+ return -1;
+ }
+
+ assert(bo_fake->block);
+ assert(bo_fake->block->bo == &bo_fake->bo);
+
+ DBG("Add buf %d (block %p, dirty %d) to referenced list\n",
+ bo_fake->id, bo_fake->block, bo_fake->dirty);
+
+ move_to_tail(&bufmgr_fake->referenced, bo_fake->block);
+ bo_fake->block->referenced = 1;
+
+ bo->offset = bo_fake->block->mem->ofs;
+
+ /* Upload the buffer contents if necessary */
+ if (bo_fake->dirty) {
+ DBG("Upload dirty buf %d (%s) sz %d offset 0x%x\n", bo_fake->id,
+ bo_fake->name, bo->size, block->mem->ofs);
+
+ assert(!(bo_fake->flags &
+ (BM_NO_BACKING_STORE|DRM_BO_FLAG_NO_EVICT)));
+
+ /* Actually, should be able to just wait for a fence on the memory,
+ * which we would be tracking when we free it. Waiting for idle is
+ * a sufficiently large hammer for now.
+ */
+ dri_bufmgr_fake_wait_idle(bufmgr_fake);
+
+ memcpy(bo_fake->block->virtual, bo_fake->backing_store, bo->size);
+
+ bo_fake->block->referenced = 0;
+ bo_fake->block->on_hardware = 1;
+ move_to_tail(&bufmgr_fake->on_hardware, bo_fake->block);
+ }
+
+ bufmgr_fake->need_fence = 1;
+ }
+ _glthread_UNLOCK_MUTEX(bufmgr_fake->mutex);
+
+ return 0;
+}
+
+static dri_fence *
+dri_fake_fence_validated(dri_bufmgr *bufmgr, const char *name,
+ GLboolean flushed)
+{
+ dri_fence_fake *fence_fake;
+ dri_bufmgr_fake *bufmgr_fake = (dri_bufmgr_fake *)bufmgr;
+ unsigned int cookie;
+
+ fence_fake = malloc(sizeof(*fence_fake));
+ if (!fence_fake)
+ return NULL;
+
+ fence_fake->refcount = 1;
+ fence_fake->name = name;
+ fence_fake->flushed = flushed;
+ fence_fake->fence.bufmgr = bufmgr;
+
+ _glthread_LOCK_MUTEX(bufmgr_fake->mutex);
+ cookie = _fence_emit_internal(bufmgr_fake);
+ fence_fake->fence_cookie = cookie;
+ fence_blocks(bufmgr_fake, cookie);
+ _glthread_UNLOCK_MUTEX(bufmgr_fake->mutex);
+
+ return &fence_fake->fence;
+}
+
+static void
+dri_fake_fence_reference(dri_fence *fence)
+{
+ dri_fence_fake *fence_fake = (dri_fence_fake *)fence;
+ dri_bufmgr_fake *bufmgr_fake = (dri_bufmgr_fake *)fence->bufmgr;
+
+ _glthread_LOCK_MUTEX(bufmgr_fake->mutex);
+ ++fence_fake->refcount;
+ _glthread_UNLOCK_MUTEX(bufmgr_fake->mutex);
+}
+
+static void
+dri_fake_fence_unreference(dri_fence *fence)
+{
+ dri_fence_fake *fence_fake = (dri_fence_fake *)fence;
+ dri_bufmgr_fake *bufmgr_fake = (dri_bufmgr_fake *)fence->bufmgr;
+
+ if (!fence)
+ return;
+
+ _glthread_LOCK_MUTEX(bufmgr_fake->mutex);
+ if (--fence_fake->refcount == 0) {
+ _glthread_UNLOCK_MUTEX(bufmgr_fake->mutex);
+ free(fence);
+ return;
+ }
+ _glthread_UNLOCK_MUTEX(bufmgr_fake->mutex);
+}
+
+static void
+dri_fake_fence_wait(dri_fence *fence)
+{
+ dri_fence_fake *fence_fake = (dri_fence_fake *)fence;
+ dri_bufmgr_fake *bufmgr_fake = (dri_bufmgr_fake *)fence->bufmgr;
+
+ _glthread_LOCK_MUTEX(bufmgr_fake->mutex);
+ _fence_wait_internal(bufmgr_fake->driver_priv, fence_fake->fence_cookie);
+ _glthread_UNLOCK_MUTEX(bufmgr_fake->mutex);
+}
+
+dri_bufmgr *
+dri_bufmgr_fake_init(unsigned long low_offset, void *low_virtual,
+ unsigned long size,
+ unsigned int (*fence_emit)(void *private),
+ int (*fence_wait)(void *private, unsigned int cookie),
+ void *driver_priv)
+{
+ dri_bufmgr_fake *bufmgr_fake;
+
+ bufmgr_fake = malloc(sizeof(*bufmgr_fake));
+
+ /* Initialize allocator */
+ make_empty_list(&bufmgr_fake->referenced);
+ make_empty_list(&bufmgr_fake->fenced);
+ make_empty_list(&bufmgr_fake->on_hardware);
+
+ bufmgr_fake->low_offset = low_offset;
+ bufmgr_fake->virtual = low_virtual;
+ bufmgr_fake->size = size;
+ bufmgr_fake->heap = mmInit(low_offset, size);
+
+ _glthread_INIT_MUTEX(bufmgr_fake->mutex);
+
+ /* Hook in methods */
+ bufmgr_fake->bufmgr.bo_alloc = dri_fake_alloc;
+ bufmgr_fake->bufmgr.bo_alloc_static = dri_fake_alloc_static;
+ bufmgr_fake->bufmgr.bo_reference = dri_fake_bo_reference;
+ bufmgr_fake->bufmgr.bo_unreference = dri_fake_bo_unreference;
+ bufmgr_fake->bufmgr.bo_map = dri_fake_bo_map;
+ bufmgr_fake->bufmgr.bo_unmap = dri_fake_bo_unmap;
+ bufmgr_fake->bufmgr.bo_validate = dri_fake_bo_validate;
+ bufmgr_fake->bufmgr.fence_validated = dri_fake_fence_validated;
+ bufmgr_fake->bufmgr.fence_wait = dri_fake_fence_wait;
+ bufmgr_fake->bufmgr.fence_reference = dri_fake_fence_reference;
+ bufmgr_fake->bufmgr.fence_unreference = dri_fake_fence_unreference;
+
+ return &bufmgr_fake->bufmgr;
+}
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright © 2007 Intel Corporation
+ * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
+ * 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 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
+ * THE COPYRIGHT HOLDERS, AUTHORS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ *
+ **************************************************************************/
+/*
+ * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
+ * Keith Whitwell <keithw-at-tungstengraphics-dot-com>
+ * Eric Anholt <eric@anholt.net>
+ */
+
+#include <xf86drm.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "glthread.h"
+#include "errno.h"
+#include "mtypes.h"
+#include "dri_bufmgr.h"
+#include "string.h"
+#include "imports.h"
+
+typedef struct _dri_bufmgr_ttm {
+ dri_bufmgr bufmgr;
+
+ int fd;
+ _glthread_Mutex mutex;
+ unsigned int fence_type;
+ unsigned int fence_type_flush;
+} dri_bufmgr_ttm;
+
+typedef struct _dri_bo_ttm {
+ dri_bo bo;
+
+ int refcount; /* Protected by bufmgr->mutex */
+ drmBO drm_bo;
+} dri_bo_ttm;
+
+typedef struct _dri_fence_ttm
+{
+ dri_fence fence;
+
+ int refcount; /* Protected by bufmgr->mutex */
+ /** Fence type from when the fence was created, used for later waits */
+ unsigned int type;
+ const char *name;
+ drmFence drm_fence;
+} dri_fence_ttm;
+
+#if 0
+int
+driFenceSignaled(DriFenceObject * fence, unsigned type)
+{
+ int signaled;
+ int ret;
+
+ if (fence == NULL)
+ return GL_TRUE;
+
+ _glthread_LOCK_MUTEX(fence->mutex);
+ ret = drmFenceSignaled(bufmgr_ttm->fd, &fence->fence, type, &signaled);
+ _glthread_UNLOCK_MUTEX(fence->mutex);
+ BM_CKFATAL(ret);
+ return signaled;
+}
+#endif
+
+static dri_bo *
+dri_ttm_alloc(dri_bufmgr *bufmgr, const char *name,
+ unsigned long size, unsigned int alignment, unsigned int flags,
+ unsigned int hint)
+{
+ dri_bufmgr_ttm *ttm_bufmgr;
+ dri_bo_ttm *ttm_buf;
+ unsigned int pageSize = getpagesize();
+ int ret;
+
+ ttm_bufmgr = (dri_bufmgr_ttm *)bufmgr;
+
+ ttm_buf = malloc(sizeof(*ttm_buf));
+ if (!ttm_buf)
+ return NULL;
+
+ ret = drmBOCreate(ttm_bufmgr->fd, 0, size, alignment / pageSize,
+ NULL, drm_bo_type_dc,
+ flags, hint, &ttm_buf->drm_bo);
+ if (ret != 0) {
+ free(ttm_buf);
+ return NULL;
+ }
+ ttm_buf->bo.size = ttm_buf->drm_bo.size;
+ ttm_buf->bo.offset = ttm_buf->drm_bo.offset;
+ ttm_buf->bo.virtual = NULL;
+ ttm_buf->bo.bufmgr = bufmgr;
+ ttm_buf->refcount = 1;
+
+ return &ttm_buf->bo;
+}
+
+static dri_bo *
+dri_ttm_alloc_static(dri_bufmgr *bufmgr, const char *name,
+ unsigned long offset, unsigned long size, void *virtual,
+ unsigned int flags, unsigned int hint)
+{
+ dri_bufmgr_ttm *ttm_bufmgr;
+ dri_bo_ttm *ttm_buf;
+ int ret;
+
+ ttm_bufmgr = (dri_bufmgr_ttm *)bufmgr;
+
+ ttm_buf = malloc(sizeof(*ttm_buf));
+ if (!ttm_buf)
+ return NULL;
+
+ ret = drmBOCreate(ttm_bufmgr->fd, offset, size, 0,
+ NULL, drm_bo_type_fake,
+ flags, 0, &ttm_buf->drm_bo);
+ if (ret != 0) {
+ free(ttm_buf);
+ return NULL;
+ }
+ ttm_buf->bo.size = ttm_buf->drm_bo.size;
+ ttm_buf->bo.offset = ttm_buf->drm_bo.offset;
+ ttm_buf->bo.virtual = virtual;
+ ttm_buf->bo.bufmgr = bufmgr;
+ ttm_buf->refcount = 1;
+
+ return &ttm_buf->bo;
+}
+
+static void
+dri_ttm_bo_reference(dri_bo *buf)
+{
+ dri_bufmgr_ttm *bufmgr_ttm = (dri_bufmgr_ttm *)buf->bufmgr;
+ dri_bo_ttm *ttm_buf = (dri_bo_ttm *)buf;
+
+ _glthread_LOCK_MUTEX(bufmgr_ttm->mutex);
+ ttm_buf->refcount++;
+ _glthread_UNLOCK_MUTEX(bufmgr_ttm->mutex);
+}
+
+static void
+dri_ttm_bo_unreference(dri_bo *buf)
+{
+ dri_bufmgr_ttm *bufmgr_ttm = (dri_bufmgr_ttm *)buf->bufmgr;
+ dri_bo_ttm *ttm_buf = (dri_bo_ttm *)buf;
+
+ if (!buf)
+ return;
+
+ _glthread_LOCK_MUTEX(bufmgr_ttm->mutex);
+ if (--ttm_buf->refcount == 0) {
+ drmBOUnReference(bufmgr_ttm->fd, &ttm_buf->drm_bo);
+ _glthread_UNLOCK_MUTEX(bufmgr_ttm->mutex);
+ free(buf);
+ return;
+ }
+ _glthread_UNLOCK_MUTEX(bufmgr_ttm->mutex);
+}
+
+static int
+dri_ttm_bo_map(dri_bo *buf, GLboolean write_enable)
+{
+ dri_bufmgr_ttm *bufmgr_ttm;
+ dri_bo_ttm *ttm_buf = (dri_bo_ttm *)buf;
+ unsigned int flags;
+
+ bufmgr_ttm = (dri_bufmgr_ttm *)buf->bufmgr;
+
+ flags = DRM_BO_FLAG_READ;
+ if (write_enable)
+ flags |= DRM_BO_FLAG_WRITE;
+
+ return drmBOMap(bufmgr_ttm->fd, &ttm_buf->drm_bo, flags, 0, &buf->virtual);
+}
+
+static int
+dri_ttm_bo_unmap(dri_bo *buf)
+{
+ dri_bufmgr_ttm *bufmgr_ttm;
+ dri_bo_ttm *ttm_buf = (dri_bo_ttm *)buf;
+
+ if (buf == NULL)
+ return 0;
+
+ bufmgr_ttm = (dri_bufmgr_ttm *)buf->bufmgr;
+
+ buf->virtual = NULL;
+
+ return drmBOUnmap(bufmgr_ttm->fd, &ttm_buf->drm_bo);
+}
+
+static int
+dri_ttm_validate(dri_bo *buf, unsigned int flags)
+{
+ dri_bufmgr_ttm *bufmgr_ttm;
+ dri_bo_ttm *ttm_buf = (dri_bo_ttm *)buf;
+ unsigned int mask;
+ int err;
+
+ /* XXX: Sanity-check whether we've already validated this one under
+ * different flags. See drmAddValidateItem().
+ */
+
+ bufmgr_ttm = (dri_bufmgr_ttm *)buf->bufmgr;
+
+ /* Calculate the appropriate mask to pass to the DRM. There appears to be
+ * be a direct relationship to flags, so it's unnecessary to have it passed
+ * in as an argument.
+ */
+ mask = DRM_BO_MASK_MEM;
+ mask |= flags & (DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE | DRM_BO_FLAG_EXE);
+
+ err = drmBOValidate(bufmgr_ttm->fd, &ttm_buf->drm_bo, flags, mask, 0);
+
+ if (err == 0) {
+ /* XXX: add to fence list for sanity checking */
+ }
+
+ return err;
+}
+
+static dri_fence *
+dri_ttm_fence_validated(dri_bufmgr *bufmgr, const char *name,
+ GLboolean flushed)
+{
+ dri_fence_ttm *fence_ttm = malloc(sizeof(*fence_ttm));
+ dri_bufmgr_ttm *bufmgr_ttm = (dri_bufmgr_ttm *)bufmgr;
+ int ret;
+ unsigned int type;
+
+ if (!fence_ttm)
+ return NULL;
+
+ if (flushed)
+ type = bufmgr_ttm->fence_type_flush;
+ else
+ type = bufmgr_ttm->fence_type;
+
+ fence_ttm->refcount = 1;
+ fence_ttm->name = name;
+ fence_ttm->type = type;
+ fence_ttm->fence.bufmgr = bufmgr;
+ ret = drmFenceBuffers(bufmgr_ttm->fd, type, &fence_ttm->drm_fence);
+ if (ret) {
+ free(fence_ttm);
+ return NULL;
+ }
+ return &fence_ttm->fence;
+}
+
+static void
+dri_ttm_fence_reference(dri_fence *fence)
+{
+ dri_fence_ttm *fence_ttm = (dri_fence_ttm *)fence;
+ dri_bufmgr_ttm *bufmgr_ttm = (dri_bufmgr_ttm *)fence->bufmgr;
+
+ _glthread_LOCK_MUTEX(bufmgr_ttm->mutex);
+ ++fence_ttm->refcount;
+ _glthread_UNLOCK_MUTEX(bufmgr_ttm->mutex);
+}
+
+static void
+dri_ttm_fence_unreference(dri_fence *fence)
+{
+ dri_fence_ttm *fence_ttm = (dri_fence_ttm *)fence;
+ dri_bufmgr_ttm *bufmgr_ttm = (dri_bufmgr_ttm *)fence->bufmgr;
+
+ if (!fence)
+ return;
+
+ _glthread_LOCK_MUTEX(bufmgr_ttm->mutex);
+ if (--fence_ttm->refcount == 0) {
+ drmFenceDestroy(bufmgr_ttm->fd, &fence_ttm->drm_fence);
+ _glthread_UNLOCK_MUTEX(bufmgr_ttm->mutex);
+ free(fence);
+ return;
+ }
+ _glthread_UNLOCK_MUTEX(bufmgr_ttm->mutex);
+}
+
+static void
+dri_ttm_fence_wait(dri_fence *fence)
+{
+ dri_fence_ttm *fence_ttm = (dri_fence_ttm *)fence;
+ dri_bufmgr_ttm *bufmgr_ttm = (dri_bufmgr_ttm *)fence->bufmgr;
+ int ret;
+
+ _glthread_LOCK_MUTEX(bufmgr_ttm->mutex);
+ ret = drmFenceWait(bufmgr_ttm->fd, 0, &fence_ttm->drm_fence,
+ fence_ttm->type);
+ _glthread_UNLOCK_MUTEX(bufmgr_ttm->mutex);
+ if (ret != 0) {
+ _mesa_printf("%s:%d: Error %d waiting for fence %s.\n",
+ __FILE__, __LINE__, fence_ttm->name);
+ abort();
+ }
+}
+
+/**
+ * Initializes the TTM buffer manager, which uses the kernel to allocate, map,
+ * and manage map buffer objections.
+ *
+ * \param fd File descriptor of the opened DRM device.
+ * \param fence_type Driver-specific fence type used for fences with no flush.
+ * \param fence_type_flush Driver-specific fence type used for fences with a
+ * flush.
+ */
+dri_bufmgr *
+dri_bufmgr_ttm_init(int fd, unsigned int fence_type,
+ unsigned int fence_type_flush)
+{
+ dri_bufmgr_ttm *bufmgr_ttm;
+
+ bufmgr_ttm = malloc(sizeof(*bufmgr_ttm));
+ bufmgr_ttm->fd = fd;
+ bufmgr_ttm->fence_type = fence_type;
+ bufmgr_ttm->fence_type_flush = fence_type_flush;
+ _glthread_INIT_MUTEX(bufmgr_ttm->mutex);
+
+ bufmgr_ttm->bufmgr.bo_alloc = dri_ttm_alloc;
+ bufmgr_ttm->bufmgr.bo_alloc_static = dri_ttm_alloc_static;
+ bufmgr_ttm->bufmgr.bo_reference = dri_ttm_bo_reference;
+ bufmgr_ttm->bufmgr.bo_unreference = dri_ttm_bo_unreference;
+ bufmgr_ttm->bufmgr.bo_map = dri_ttm_bo_map;
+ bufmgr_ttm->bufmgr.bo_unmap = dri_ttm_bo_unmap;
+ bufmgr_ttm->bufmgr.bo_validate = dri_ttm_validate;
+ bufmgr_ttm->bufmgr.fence_validated = dri_ttm_fence_validated;
+ bufmgr_ttm->bufmgr.fence_reference = dri_ttm_fence_reference;
+ bufmgr_ttm->bufmgr.fence_unreference = dri_ttm_fence_unreference;
+ bufmgr_ttm->bufmgr.fence_wait = dri_ttm_fence_wait;
+
+ return &bufmgr_ttm->bufmgr;
+}
+++ /dev/null
-/**************************************************************************
- *
- * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
- * 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 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
- * THE COPYRIGHT HOLDERS, AUTHORS 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.
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- *
- **************************************************************************/
-/*
- * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
- */
-
-#ifndef _DRI_BUFPOOL_H_
-#define _DRI_BUFPOOL_H_
-
-#include <xf86drm.h>
-struct _DriFenceObject;
-
-typedef struct _DriBufferPool
-{
- int fd;
- int (*map) (struct _DriBufferPool * pool, void *private,
- unsigned flags, int hint, void **virtual);
- int (*unmap) (struct _DriBufferPool * pool, void *private);
- int (*destroy) (struct _DriBufferPool * pool, void *private);
- unsigned long (*offset) (struct _DriBufferPool * pool, void *private);
- unsigned (*flags) (struct _DriBufferPool * pool, void *private);
- unsigned long (*size) (struct _DriBufferPool * pool, void *private);
- void *(*create) (struct _DriBufferPool * pool, unsigned long size,
- unsigned flags, unsigned hint, unsigned alignment);
- int (*fence) (struct _DriBufferPool * pool, void *private,
- struct _DriFenceObject * fence);
- drmBO *(*kernel) (struct _DriBufferPool * pool, void *private);
- int (*validate) (struct _DriBufferPool * pool, void *private);
- void *(*setstatic) (struct _DriBufferPool * pool, unsigned long offset,
- unsigned long size, void *virtual, unsigned flags);
- int (*waitIdle) (struct _DriBufferPool *pool, void *private,
- int lazy);
- void (*takeDown) (struct _DriBufferPool * pool);
- void *data;
-} DriBufferPool;
-
-extern void bmError(int val, const char *file, const char *function,
- int line);
-#define BM_CKFATAL(val) \
- do{ \
- int tstVal = (val); \
- if (tstVal) \
- bmError(tstVal, __FILE__, __FUNCTION__, __LINE__); \
- } while(0);
-
-
-
-
-
-/*
- * Builtin pools.
- */
-
-/*
- * Kernel buffer objects. Size in multiples of page size. Page size aligned.
- */
-
-extern struct _DriBufferPool *driDRMPoolInit(int fd);
-extern struct _DriBufferPool *driDRMStaticPoolInit(int fd);
-
-#endif
+++ /dev/null
-/**************************************************************************
- *
- * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
- * 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 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
- * THE COPYRIGHT HOLDERS, AUTHORS 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.
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- *
- **************************************************************************/
-/*
- * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
- */
-
-#include <xf86drm.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include "dri_bufpool.h"
-
-/*
- * Buffer pool implementation using DRM buffer objects as DRI buffer objects.
- */
-
-static void *
-pool_create(struct _DriBufferPool *pool,
- unsigned long size, unsigned flags, unsigned hint,
- unsigned alignment)
-{
- drmBO *buf = (drmBO *) malloc(sizeof(*buf));
- int ret;
- unsigned pageSize = getpagesize();
-
- if (!buf)
- return NULL;
-
- if ((alignment > pageSize) && (alignment % pageSize)) {
- return NULL;
- }
-
- ret = drmBOCreate(pool->fd, 0, size, alignment / pageSize,
- NULL, drm_bo_type_dc,
- flags, hint, buf);
- if (ret) {
- free(buf);
- return NULL;
- }
-
- return (void *) buf;
-}
-
-static int
-pool_destroy(struct _DriBufferPool *pool, void *private)
-{
- int ret;
- drmBO *buf = (drmBO *) private;
- ret = drmBODestroy(pool->fd, buf);
- free(buf);
- return ret;
-}
-
-static int
-pool_map(struct _DriBufferPool *pool, void *private, unsigned flags,
- int hint, void **virtual)
-{
- drmBO *buf = (drmBO *) private;
-
- return drmBOMap(pool->fd, buf, flags, hint, virtual);
-}
-
-static int
-pool_unmap(struct _DriBufferPool *pool, void *private)
-{
- drmBO *buf = (drmBO *) private;
- return drmBOUnmap(pool->fd, buf);
-}
-
-static unsigned long
-pool_offset(struct _DriBufferPool *pool, void *private)
-{
- drmBO *buf = (drmBO *) private;
- return buf->offset;
-}
-
-static unsigned
-pool_flags(struct _DriBufferPool *pool, void *private)
-{
- drmBO *buf = (drmBO *) private;
- return buf->flags;
-}
-
-
-static unsigned long
-pool_size(struct _DriBufferPool *pool, void *private)
-{
- drmBO *buf = (drmBO *) private;
- return buf->size;
-}
-
-static int
-pool_fence(struct _DriBufferPool *pool, void *private,
- struct _DriFenceObject *fence)
-{
- /*
- * Noop. The kernel handles all fencing.
- */
-
- return 0;
-}
-
-static drmBO *
-pool_kernel(struct _DriBufferPool *pool, void *private)
-{
- return (drmBO *) private;
-}
-
-static int
-pool_waitIdle(struct _DriBufferPool *pool, void *private, int lazy)
-{
- drmBO *buf = (drmBO *) private;
- return drmBOWaitIdle(pool->fd, buf, (lazy) ? DRM_BO_HINT_WAIT_LAZY:0);
-}
-
-
-static void
-pool_takedown(struct _DriBufferPool *pool)
-{
- free(pool);
-}
-
-
-struct _DriBufferPool *
-driDRMPoolInit(int fd)
-{
- 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->flags = &pool_flags;
- pool->size = &pool_size;
- pool->create = &pool_create;
- pool->fence = &pool_fence;
- pool->kernel = &pool_kernel;
- pool->validate = NULL;
- pool->setstatic = NULL;
- pool->waitIdle = &pool_waitIdle;
- pool->takeDown = &pool_takedown;
- pool->data = NULL;
- return pool;
-}
-
-
-static void *
-pool_setstatic(struct _DriBufferPool *pool, unsigned long offset,
- unsigned long size, void *virtual, unsigned flags)
-{
- drmBO *buf = (drmBO *) malloc(sizeof(*buf));
- int ret;
-
- if (!buf)
- return NULL;
-
- ret = drmBOCreate(pool->fd, offset, size, 0, NULL, drm_bo_type_fake,
- flags, 0, buf);
-
- if (ret) {
- free(buf);
- return NULL;
- }
-
- buf->virtual = virtual;
-
- return (void *) buf;
-}
-
-
-struct _DriBufferPool *
-driDRMStaticPoolInit(int fd)
-{
- 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->flags = &pool_flags;
- pool->size = &pool_size;
- pool->create = NULL;
- pool->fence = &pool_fence;
- pool->kernel = &pool_kernel;
- pool->validate = NULL;
- pool->setstatic = &pool_setstatic;
- pool->waitIdle = &pool_waitIdle;
- pool->takeDown = &pool_takedown;
- pool->data = NULL;
- return pool;
-}
projects / mesa.git / commitdiff