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-rw-r--r--intel/intel_bufmgr.c244
1 files changed, 244 insertions, 0 deletions
diff --git a/intel/intel_bufmgr.c b/intel/intel_bufmgr.c
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+/*
+ * 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);
+}
+
+drm_intel_bo *
+drm_intel_bo_alloc_tiled(drm_intel_bufmgr *bufmgr, const char *name,
+ int x, int y, int cpp, uint32_t *tiling_mode,
+ unsigned long *pitch, unsigned long flags)
+{
+ return bufmgr->bo_alloc_tiled(bufmgr, name, x, y, cpp,
+ tiling_mode, pitch, flags);
+}
+
+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_bo_madvise(drm_intel_bo *bo, int madv)
+{
+ if (bo->bufmgr->bo_madvise)
+ return bo->bufmgr->bo_madvise(bo, madv);
+ return -1;
+}
+
+int drm_intel_bo_references(drm_intel_bo *bo, drm_intel_bo *target_bo)
+{
+ return bo->bufmgr->bo_references(bo, target_bo);
+}
+
+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;
+}