| /* |
| * 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> |
| * |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| |
| #include <string.h> |
| #include <stdlib.h> |
| #include <stdint.h> |
| #include <assert.h> |
| #include <errno.h> |
| #include <drm.h> |
| #include <i915_drm.h> |
| #include "intel_bufmgr.h" |
| #include "intel_bufmgr_priv.h" |
| |
| /** @file intel_bufmgr.c |
| * |
| * Convenience functions for buffer management methods. |
| */ |
| |
| drm_intel_bo * |
| drm_intel_bo_alloc(drm_intel_bufmgr *bufmgr, const char *name, |
| unsigned long size, unsigned int alignment) |
| { |
| return bufmgr->bo_alloc(bufmgr, name, size, alignment); |
| } |
| |
| drm_intel_bo * |
| drm_intel_bo_alloc_for_render(drm_intel_bufmgr *bufmgr, const char *name, |
| unsigned long size, unsigned int alignment) |
| { |
| return bufmgr->bo_alloc_for_render(bufmgr, name, size, alignment); |
| } |
| |
| void |
| drm_intel_bo_reference(drm_intel_bo *bo) |
| { |
| bo->bufmgr->bo_reference(bo); |
| } |
| |
| void |
| drm_intel_bo_unreference(drm_intel_bo *bo) |
| { |
| if (bo == NULL) |
| return; |
| |
| bo->bufmgr->bo_unreference(bo); |
| } |
| |
| int |
| drm_intel_bo_map(drm_intel_bo *buf, int write_enable) |
| { |
| return buf->bufmgr->bo_map(buf, write_enable); |
| } |
| |
| int |
| drm_intel_bo_unmap(drm_intel_bo *buf) |
| { |
| return buf->bufmgr->bo_unmap(buf); |
| } |
| |
| int |
| drm_intel_bo_subdata(drm_intel_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 = drm_intel_bo_map(bo, 1); |
| if (ret) |
| return ret; |
| memcpy((unsigned char *)bo->virtual + offset, data, size); |
| drm_intel_bo_unmap(bo); |
| return 0; |
| } |
| |
| int |
| drm_intel_bo_get_subdata(drm_intel_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 = drm_intel_bo_map(bo, 0); |
| if (ret) |
| return ret; |
| memcpy(data, (unsigned char *)bo->virtual + offset, size); |
| drm_intel_bo_unmap(bo); |
| return 0; |
| } |
| |
| void |
| drm_intel_bo_wait_rendering(drm_intel_bo *bo) |
| { |
| bo->bufmgr->bo_wait_rendering(bo); |
| } |
| |
| void |
| drm_intel_bufmgr_destroy(drm_intel_bufmgr *bufmgr) |
| { |
| bufmgr->destroy(bufmgr); |
| } |
| |
| int |
| drm_intel_bo_exec(drm_intel_bo *bo, int used, |
| drm_clip_rect_t *cliprects, int num_cliprects, |
| int DR4) |
| { |
| return bo->bufmgr->bo_exec(bo, used, cliprects, num_cliprects, DR4); |
| } |
| |
| void |
| drm_intel_bufmgr_set_debug(drm_intel_bufmgr *bufmgr, int enable_debug) |
| { |
| bufmgr->debug = enable_debug; |
| } |
| |
| int |
| drm_intel_bufmgr_check_aperture_space(drm_intel_bo **bo_array, int count) |
| { |
| return bo_array[0]->bufmgr->check_aperture_space(bo_array, count); |
| } |
| |
| int |
| drm_intel_bo_flink(drm_intel_bo *bo, uint32_t *name) |
| { |
| if (bo->bufmgr->bo_flink) |
| return bo->bufmgr->bo_flink(bo, name); |
| |
| return -ENODEV; |
| } |
| |
| int |
| drm_intel_bo_emit_reloc(drm_intel_bo *bo, uint32_t offset, |
| drm_intel_bo *target_bo, uint32_t target_offset, |
| uint32_t read_domains, uint32_t write_domain) |
| { |
| return bo->bufmgr->bo_emit_reloc(bo, offset, |
| target_bo, target_offset, |
| read_domains, write_domain); |
| } |
| |
| int |
| drm_intel_bo_pin(drm_intel_bo *bo, uint32_t alignment) |
| { |
| if (bo->bufmgr->bo_pin) |
| return bo->bufmgr->bo_pin(bo, alignment); |
| |
| return -ENODEV; |
| } |
| |
| int |
| drm_intel_bo_unpin(drm_intel_bo *bo) |
| { |
| if (bo->bufmgr->bo_unpin) |
| return bo->bufmgr->bo_unpin(bo); |
| |
| return -ENODEV; |
| } |
| |
| int drm_intel_bo_set_tiling(drm_intel_bo *bo, uint32_t *tiling_mode, |
| uint32_t stride) |
| { |
| if (bo->bufmgr->bo_set_tiling) |
| return bo->bufmgr->bo_set_tiling(bo, tiling_mode, stride); |
| |
| *tiling_mode = I915_TILING_NONE; |
| return 0; |
| } |
| |
| int drm_intel_bo_get_tiling(drm_intel_bo *bo, uint32_t *tiling_mode, |
| uint32_t *swizzle_mode) |
| { |
| if (bo->bufmgr->bo_get_tiling) |
| return bo->bufmgr->bo_get_tiling(bo, tiling_mode, swizzle_mode); |
| |
| *tiling_mode = I915_TILING_NONE; |
| *swizzle_mode = I915_BIT_6_SWIZZLE_NONE; |
| return 0; |
| } |
| |
| int drm_intel_bo_disable_reuse(drm_intel_bo *bo) |
| { |
| if (bo->bufmgr->bo_disable_reuse) |
| return bo->bufmgr->bo_disable_reuse(bo); |
| return 0; |
| } |
| |
| int drm_intel_bo_busy(drm_intel_bo *bo) |
| { |
| if (bo->bufmgr->bo_busy) |
| return bo->bufmgr->bo_busy(bo); |
| return 0; |
| } |
| |
| int |
| drm_intel_get_pipe_from_crtc_id (drm_intel_bufmgr *bufmgr, int crtc_id) |
| { |
| if (bufmgr->get_pipe_from_crtc_id) |
| return bufmgr->get_pipe_from_crtc_id(bufmgr, crtc_id); |
| return -1; |
| } |
| |