diff options
Diffstat (limited to 'libdrm/radeon/radeon_bo_gem.c')
| -rw-r--r-- | libdrm/radeon/radeon_bo_gem.c | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/libdrm/radeon/radeon_bo_gem.c b/libdrm/radeon/radeon_bo_gem.c deleted file mode 100644 index fdf852a2..00000000 --- a/libdrm/radeon/radeon_bo_gem.c +++ /dev/null @@ -1,208 +0,0 @@ -/* - * Copyright © 2008 Dave Airlie - * Copyright © 2008 Jérôme Glisse - * 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: - * Dave Airlie - * Jérôme Glisse <glisse@freedesktop.org> - */ -#include <stdio.h> -#include <stdint.h> -#include <stdlib.h> -#include <string.h> -#include <sys/mman.h> -#include <sys/ioctl.h> -#include "xf86drm.h" -#include "drm.h" -#include "radeon_drm.h" -#include "radeon_bo.h" -#include "radeon_bo_gem.h" - -struct radeon_bo_gem { - struct radeon_bo base; - uint32_t name; - int map_count; -}; - -struct bo_manager_gem { - struct radeon_bo_manager base; -}; - -static struct radeon_bo *bo_open(struct radeon_bo_manager *bom, - uint32_t handle, - uint32_t size, - uint32_t alignment, - uint32_t domains, - uint32_t flags) -{ - struct radeon_bo_gem *bo; - int r; - - bo = (struct radeon_bo_gem*)calloc(1, sizeof(struct radeon_bo_gem)); - if (bo == NULL) { - return NULL; - } - - bo->base.bom = bom; - bo->base.handle = 0; - bo->base.size = size; - bo->base.alignment = alignment; - bo->base.domains = domains; - bo->base.flags = flags; - bo->base.ptr = NULL; - bo->map_count = 0; - if (handle) { - struct drm_gem_open open_arg; - - memset(&open_arg, 0, sizeof(open_arg)); - open_arg.name = handle; - r = ioctl(bom->fd, DRM_IOCTL_GEM_OPEN, &open_arg); - if (r != 0) { - free(bo); - return NULL; - } - bo->base.handle = open_arg.handle; - bo->base.size = open_arg.size; - bo->name = handle; - } else { - struct drm_radeon_gem_create args; - - args.size = size; - args.alignment = alignment; - args.initial_domain = bo->base.domains; - args.no_backing_store = 0; - args.handle = 0; - r = drmCommandWriteRead(bom->fd, DRM_RADEON_GEM_CREATE, - &args, sizeof(args)); - bo->base.handle = args.handle; - if (r) { - fprintf(stderr, "Failed to allocate :\n"); - fprintf(stderr, " size : %d bytes\n", size); - fprintf(stderr, " alignment : %d bytes\n", alignment); - fprintf(stderr, " domains : %d\n", bo->base.domains); - free(bo); - return NULL; - } - } - radeon_bo_ref((struct radeon_bo*)bo); - return (struct radeon_bo*)bo; -} - -static void bo_ref(struct radeon_bo *bo) -{ -} - -static struct radeon_bo *bo_unref(struct radeon_bo *bo) -{ - struct radeon_bo_gem *bo_gem = (struct radeon_bo_gem*)bo; - struct drm_gem_close args; - - if (bo == NULL) { - return NULL; - } - if (bo->cref) { - return bo; - } - if (bo_gem->map_count) { - munmap(bo->ptr, bo->size); - } - - /* close object */ - args.handle = bo->handle; - ioctl(bo->bom->fd, DRM_IOCTL_GEM_CLOSE, &args); - memset(bo_gem, 0, sizeof(struct radeon_bo_gem)); - free(bo_gem); - return NULL; -} - -static int bo_map(struct radeon_bo *bo, int write) -{ - struct radeon_bo_gem *bo_gem = (struct radeon_bo_gem*)bo; - struct drm_radeon_gem_mmap args; - int r; - - if (bo_gem->map_count++ != 0) { - return 0; - } - bo->ptr = NULL; - args.handle = bo->handle; - args.offset = 0; - args.size = (uint64_t)bo->size; - r = drmCommandWriteRead(bo->bom->fd, - DRM_RADEON_GEM_MMAP, - &args, - sizeof(args)); - if (!r) { - bo->ptr = (void *)(unsigned long)args.addr_ptr; - } else { - fprintf(stderr, "error mapping %p 0x%08X (error = %d)\n", - bo, bo->handle, r); - } - return r; -} - -static int bo_unmap(struct radeon_bo *bo) -{ - struct radeon_bo_gem *bo_gem = (struct radeon_bo_gem*)bo; - - if (--bo_gem->map_count > 0) { - return 0; - } - munmap(bo->ptr, bo->size); - bo->ptr = NULL; - return 0; -} - -static struct radeon_bo_funcs bo_gem_funcs = { - bo_open, - bo_ref, - bo_unref, - bo_map, - bo_unmap -}; - -struct radeon_bo_manager *radeon_bo_manager_gem_ctor(int fd) -{ - struct bo_manager_gem *bomg; - - bomg = (struct bo_manager_gem*)calloc(1, sizeof(struct bo_manager_gem)); - if (bomg == NULL) { - return NULL; - } - bomg->base.funcs = &bo_gem_funcs; - bomg->base.fd = fd; - return (struct radeon_bo_manager*)bomg; -} - -void radeon_bo_manager_gem_dtor(struct radeon_bo_manager *bom) -{ - struct bo_manager_gem *bomg = (struct bo_manager_gem*)bom; - - if (bom == NULL) { - return; - } - free(bomg); -} |