diff options
Diffstat (limited to 'dist/Mesa/src/mesa/drivers/dri/common/dri_bufmgr.c')
| -rw-r--r-- | dist/Mesa/src/mesa/drivers/dri/common/dri_bufmgr.c | 493 |
1 files changed, 493 insertions, 0 deletions
diff --git a/dist/Mesa/src/mesa/drivers/dri/common/dri_bufmgr.c b/dist/Mesa/src/mesa/drivers/dri/common/dri_bufmgr.c new file mode 100644 index 000000000..370b56c3a --- /dev/null +++ b/dist/Mesa/src/mesa/drivers/dri/common/dri_bufmgr.c @@ -0,0 +1,493 @@ +/************************************************************************** + * + * 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> + */ + +#include <xf86drm.h> +#include <stdlib.h> +#include "glthread.h" +#include "errno.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. + */ + + + +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) +{ + unsigned ret; + + _glthread_LOCK_MUTEX(bmMutex); + ret = fence->fence.flags; + _glthread_UNLOCK_MUTEX(bmMutex); + + return ret; +} + + +DriFenceObject * +driFenceReference(DriFenceObject * fence) +{ + _glthread_LOCK_MUTEX(bmMutex); + ++fence->refCount; + _glthread_UNLOCK_MUTEX(bmMutex); + return fence; +} + +void +driFenceUnReference(DriFenceObject * fence) +{ + if (!fence) + return; + + _glthread_LOCK_MUTEX(bmMutex); + if (--fence->refCount == 0) { + drmFenceDestroy(fence->fd, &fence->fence); + free(fence); + } + _glthread_UNLOCK_MUTEX(bmMutex); +} + +void +driFenceFinish(DriFenceObject * fence, unsigned type, int lazy) +{ + 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); +} + +int +driFenceSignaled(DriFenceObject * fence, unsigned type) +{ + 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); +} + +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) +{ + 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; + } +} + +void +driDeleteBuffers(unsigned n, struct _DriBufferObject *buffers[]) +{ + int i; + + for (i = 0; i < n; ++i) { + driBOUnReference(buffers[i]); + } +} + + +void +driInitBufMgr(int fd) +{ + ; +} + + +void +driBOCreateList(int target, drmBOList * list) +{ + _glthread_LOCK_MUTEX(bmMutex); + BM_CKFATAL(drmBOCreateList(20, list)); + _glthread_UNLOCK_MUTEX(bmMutex); +} + +void +driBOResetList(drmBOList * list) +{ + _glthread_LOCK_MUTEX(bmMutex); + BM_CKFATAL(drmBOResetList(list)); + _glthread_UNLOCK_MUTEX(bmMutex); +} + +void +driBOAddListItem(drmBOList * list, struct _DriBufferObject *buf, + unsigned flags, unsigned mask) +{ + 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); +} + +void +driBOFence(struct _DriBufferObject *buf, struct _DriFenceObject *fence) +{ + _glthread_LOCK_MUTEX(buf->mutex); + BM_CKFATAL(buf->pool->fence(buf->pool, buf->private, fence)); + _glthread_UNLOCK_MUTEX(buf->mutex); + +} + +void +driBOValidateList(int fd, drmBOList * list) +{ + _glthread_LOCK_MUTEX(bmMutex); + BM_CKFATAL(drmBOValidateList(fd, list)); + _glthread_UNLOCK_MUTEX(bmMutex); +} + +void +driPoolTakeDown(struct _DriBufferPool *pool) +{ + pool->takeDown(pool); + +} |