Move intel libdrm stuff to libdrm_intel.so

dri_bufmgr.h is replaced by intel_bufmgr.h, and several functions are renamed,
though the structures and many functions remain dri_bufmgr_* and dri_bo_*

1 files changed, 200 insertions, 0 deletions

diff --git a/libdrm/intel/intel_bufmgr_priv.h b/libdrm/intel/intel_bufmgr_priv.h
new file mode 100644
index 00000000..92476aec
--- /dev/null
+++ b/libdrm/intel/intel_bufmgr_priv.h
@@ -0,0 +1,200 @@
+/*
+ * Copyright © 2008 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>
+ *
+ */
+
+/**
+ * @file intel_bufmgr_priv.h
+ *
+ * Private definitions of Intel-specific bufmgr functions and structures.
+ */
+
+#ifndef INTEL_BUFMGR_PRIV_H
+#define INTEL_BUFMGR_PRIV_H
+
+/**
+ * Context for a buffer manager instance.
+ *
+ * Contains public methods followed by private storage for the buffer manager.
+ */
+struct _dri_bufmgr {
+   /**
+    * Allocate a buffer object.
+    *
+    * Buffer objects are not necessarily initially mapped into CPU virtual
+    * address space or graphics device aperture.  They must be mapped using
+    * bo_map() to be used by the CPU, and validated for use using bo_validate()
+    * to be used from the graphics device.
+    */
+   dri_bo *(*bo_alloc)(dri_bufmgr *bufmgr_ctx, const char *name,
+		       unsigned long size, unsigned int alignment);
+
+   /** Takes a reference on a buffer object */
+   void (*bo_reference)(dri_bo *bo);
+
+   /**
+    * Releases a reference on a buffer object, freeing the data if
+    * rerefences remain.
+    */
+   void (*bo_unreference)(dri_bo *bo);
+
+   /**
+    * Maps the buffer into userspace.
+    *
+    * This function will block waiting for any existing execution on the
+    * buffer to complete, first.  The resulting mapping is available at
+    * buf->virtual.
+    */
+   int (*bo_map)(dri_bo *buf, int write_enable);
+
+   /** Reduces the refcount on the userspace mapping of the buffer object. */
+   int (*bo_unmap)(dri_bo *buf);
+
+   /**
+    * Write data into an object.
+    *
+    * This is an optional function, if missing,
+    * dri_bo will map/memcpy/unmap.
+    */
+   int (*bo_subdata) (dri_bo *buf, unsigned long offset,
+		      unsigned long size, const void *data);
+
+   /**
+    * Read data from an object
+    *
+    * This is an optional function, if missing,
+    * dri_bo will map/memcpy/unmap.
+    */
+   int (*bo_get_subdata) (dri_bo *bo, unsigned long offset,
+			  unsigned long size, void *data);
+
+   /**
+    * Waits for rendering to an object by the GPU to have completed.
+    *
+    * This is not required for any access to the BO by bo_map, bo_subdata, etc.
+    * It is merely a way for the driver to implement glFinish.
+    */
+   void (*bo_wait_rendering) (dri_bo *bo);
+
+   /**
+    * Tears down the buffer manager instance.
+    */
+   void (*destroy)(dri_bufmgr *bufmgr);
+
+   /**
+    * Processes the relocations, either in userland or by converting the list
+    * for use in batchbuffer submission.
+    *
+    * Kernel-based implementations will return a pointer to the arguments
+    * to be handed with batchbuffer submission to the kernel.  The userland
+    * implementation performs the buffer validation and emits relocations
+    * into them the appopriate order.
+    *
+    * \param batch_buf buffer at the root of the tree of relocations
+    * \return argument to be completed and passed to the execbuffers ioctl
+    *   (if any).
+    */
+   void *(*process_relocs)(dri_bo *batch_buf);
+
+   void (*post_submit)(dri_bo *batch_buf);
+
+    /**
+     * Add relocation entry in reloc_buf, which will be updated with the
+     * target buffer's real offset on on command submission.
+     *
+     * Relocations remain in place for the lifetime of the buffer object.
+     *
+     * \param reloc_buf Buffer to write the relocation into.
+     * \param read_domains GEM read domains which the buffer will be read into
+     *	      by the command that this relocation is part of.
+     * \param write_domains GEM read domains which the buffer will be dirtied
+     *	      in by the command that this relocation is part of.
+     * \param delta Constant value to be added to the relocation target's
+     *	       offset.
+     * \param offset Byte offset within batch_buf of the relocated pointer.
+     * \param target Buffer whose offset should be written into the relocation
+     *	     entry.
+     */
+    int (*bo_emit_reloc)(dri_bo *reloc_buf,
+			 uint32_t read_domains, uint32_t write_domain,
+			 uint32_t delta, uint32_t offset, dri_bo *target);
+    /**
+     * Pin a buffer to the aperture and fix the offset until unpinned
+     *
+     * \param buf Buffer to pin
+     * \param alignment Required alignment for aperture, in bytes
+     */
+    int (*bo_pin) (dri_bo *buf, uint32_t alignment);
+    /**
+     * Unpin a buffer from the aperture, allowing it to be removed
+     *
+     * \param buf Buffer to unpin
+     */
+    int (*bo_unpin) (dri_bo *buf);
+    /**
+     * Ask that the buffer be placed in tiling mode
+     *
+     * \param buf Buffer to set tiling mode for
+     * \param tiling_mode desired, and returned tiling mode
+     */
+    int (*bo_set_tiling) (dri_bo *bo, uint32_t *tiling_mode);
+    /**
+     * Create a visible name for a buffer which can be used by other apps
+     *
+     * \param buf Buffer to create a name for
+     * \param name Returned name
+     */
+    int (*bo_flink) (dri_bo *buf, uint32_t *name);
+
+    int (*check_aperture_space)(dri_bo **bo_array, int count);
+    int debug; /**< Enables verbose debugging printouts */
+};
+
+/* intel_bufmgr_gem.c */
+dri_bufmgr *intel_bufmgr_gem_init(int fd, int batch_size);
+dri_bo *intel_bo_gem_create_from_name(dri_bufmgr *bufmgr, const char *name,
+				      unsigned int handle);
+void intel_bufmgr_gem_enable_reuse(dri_bufmgr *bufmgr);
+
+/* intel_bufmgr_fake.c */
+dri_bufmgr *intel_bufmgr_fake_init(unsigned long low_offset, void *low_virtual,
+				   unsigned long size,
+				   unsigned int (*fence_emit)(void *private),
+				   int (*fence_wait)(void *private,
+						     unsigned int cookie),
+				   void *driver_priv);
+dri_bo *intel_bo_fake_alloc_static(dri_bufmgr *bufmgr, const char *name,
+				   unsigned long offset, unsigned long size,
+				   void *virtual);
+
+void intel_bufmgr_fake_contended_lock_take(dri_bufmgr *bufmgr);
+void intel_bo_fake_disable_backing_store(dri_bo *bo,
+					 void (*invalidate_cb)(dri_bo *bo,
+							       void *ptr),
+					 void *ptr);
+void intel_bufmgr_fake_evict_all(dri_bufmgr *bufmgr);
+
+#endif /* INTEL_BUFMGR_PRIV_H */
+