diff options
Diffstat (limited to 'libdrm/dri_bufmgr.c')
| -rw-r--r-- | libdrm/dri_bufmgr.c | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/libdrm/dri_bufmgr.c b/libdrm/dri_bufmgr.c new file mode 100644 index 00000000..be2a7b74 --- /dev/null +++ b/libdrm/dri_bufmgr.c @@ -0,0 +1,171 @@ +/* + * 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, 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 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> + * + */ + +#include <string.h> +#include <stdlib.h> +#include <assert.h> +#include "mtypes.h" +#include "dri_bufmgr.h" + +/** @file dri_bufmgr.c + * + * Convenience functions for buffer management methods. + */ + +dri_bo * +dri_bo_alloc(dri_bufmgr *bufmgr, const char *name, unsigned long size, + unsigned int alignment, uint64_t location_mask) +{ + assert((location_mask & ~(DRM_BO_FLAG_MEM_LOCAL | DRM_BO_FLAG_MEM_TT | + DRM_BO_FLAG_MEM_VRAM | DRM_BO_FLAG_MEM_PRIV0 | + DRM_BO_FLAG_MEM_PRIV1 | DRM_BO_FLAG_MEM_PRIV2 | + DRM_BO_FLAG_MEM_PRIV3 | DRM_BO_FLAG_MEM_PRIV4 | + DRM_BO_FLAG_CACHED | DRM_BO_FLAG_CACHED_MAPPED)) == 0); + return bufmgr->bo_alloc(bufmgr, name, size, alignment, location_mask); +} + +dri_bo * +dri_bo_alloc_static(dri_bufmgr *bufmgr, const char *name, unsigned long offset, + unsigned long size, void *virtual, + uint64_t location_mask) +{ + assert((location_mask & ~(DRM_BO_FLAG_MEM_LOCAL | DRM_BO_FLAG_MEM_TT | + DRM_BO_FLAG_MEM_VRAM | DRM_BO_FLAG_MEM_PRIV0 | + DRM_BO_FLAG_MEM_PRIV1 | DRM_BO_FLAG_MEM_PRIV2 | + DRM_BO_FLAG_MEM_PRIV3 | + DRM_BO_FLAG_MEM_PRIV4)) == 0); + + return bufmgr->bo_alloc_static(bufmgr, name, offset, size, virtual, + location_mask); +} + +void +dri_bo_reference(dri_bo *bo) +{ + bo->bufmgr->bo_reference(bo); +} + +void +dri_bo_unreference(dri_bo *bo) +{ + if (bo == NULL) + return; + + bo->bufmgr->bo_unreference(bo); +} + +int +dri_bo_map(dri_bo *buf, GLboolean write_enable) +{ + return buf->bufmgr->bo_map(buf, write_enable); +} + +int +dri_bo_unmap(dri_bo *buf) +{ + return buf->bufmgr->bo_unmap(buf); +} + +int +dri_bo_subdata(dri_bo *bo, unsigned long offset, + unsigned long size, const void *data) +{ + int ret; + if (bo->bufmgr->bo_subdata) + return bo->bufmgr->bo_subdata(bo, offset, size, data); + if (size == 0 || data == NULL) + return 0; + + ret = dri_bo_map(bo, GL_TRUE); + if (ret) + return ret; + memcpy((unsigned char *)bo->virtual + offset, data, size); + dri_bo_unmap(bo); + return 0; +} + +int +dri_bo_get_subdata(dri_bo *bo, unsigned long offset, + unsigned long size, void *data) +{ + int ret; + if (bo->bufmgr->bo_subdata) + return bo->bufmgr->bo_get_subdata(bo, offset, size, data); + + if (size == 0 || data == NULL) + return 0; + + ret = dri_bo_map(bo, GL_FALSE); + if (ret) + return ret; + memcpy(data, (unsigned char *)bo->virtual + offset, size); + dri_bo_unmap(bo); + return 0; +} + +void +dri_bo_wait_rendering(dri_bo *bo) +{ + bo->bufmgr->bo_wait_rendering(bo); +} + +void +dri_bufmgr_destroy(dri_bufmgr *bufmgr) +{ + bufmgr->destroy(bufmgr); +} + + +int dri_emit_reloc(dri_bo *reloc_buf, + uint32_t read_domains, uint32_t write_domain, + uint32_t delta, uint32_t offset, dri_bo *target_buf) +{ + return reloc_buf->bufmgr->emit_reloc(reloc_buf, read_domains, write_domain, + delta, offset, target_buf); +} + +void *dri_process_relocs(dri_bo *batch_buf) +{ + return batch_buf->bufmgr->process_relocs(batch_buf); +} + +void dri_post_submit(dri_bo *batch_buf) +{ + batch_buf->bufmgr->post_submit(batch_buf); +} + +void +dri_bufmgr_set_debug(dri_bufmgr *bufmgr, GLboolean enable_debug) +{ + bufmgr->debug = enable_debug; +} + +int +dri_bufmgr_check_aperture_space(dri_bo *bo) +{ + return bo->bufmgr->check_aperture_space(bo); +} |