1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/************************************************************************** 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * All Rights Reserved. 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * "Software"), to deal in the Software without restriction, including 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * without limitation the rights to use, copy, modify, merge, publish, 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * distribute, sub license, and/or sell copies of the Software, and to 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * permit persons to whom the Software is furnished to do so, subject to 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the following conditions: 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * next paragraph) shall be included in all copies or substantial portions 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * of the Software. 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org **************************************************************************/ 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \file 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Generic code for buffers. 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Behind a pipe buffle handle there can be DMA buffers, client (or user) 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * buffers, regular malloced buffers, etc. This file provides an abstract base 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * buffer handle that allows the driver to cope with all those kinds of buffers 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * in a more flexible way. 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * There is no obligation of a winsys driver to use this library. And a pipe 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * driver should be completly agnostic about it. 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \author Jose Fonseca <jrfonseca@tungstengraphics.com> 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifndef PB_BUFFER_H_ 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define PB_BUFFER_H_ 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_compiler.h" 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_debug.h" 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_inlines.h" 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_defines.h" 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifdef __cplusplus 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern "C" { 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct pb_vtbl; 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct pb_validate; 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct pipe_fence_handle; 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define PB_USAGE_CPU_READ (1 << 0) 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define PB_USAGE_CPU_WRITE (1 << 1) 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define PB_USAGE_GPU_READ (1 << 2) 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define PB_USAGE_GPU_WRITE (1 << 3) 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define PB_USAGE_UNSYNCHRONIZED (1 << 10) 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define PB_USAGE_DONTBLOCK (1 << 9) 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define PB_USAGE_CPU_READ_WRITE \ 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ( PB_USAGE_CPU_READ | PB_USAGE_CPU_WRITE ) 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define PB_USAGE_GPU_READ_WRITE \ 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ( PB_USAGE_GPU_READ | PB_USAGE_GPU_WRITE ) 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define PB_USAGE_WRITE \ 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ( PB_USAGE_CPU_WRITE | PB_USAGE_GPU_WRITE ) 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Buffer description. 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Used when allocating the buffer. 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct pb_desc 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned alignment; 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned usage; 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Size. Regular (32bit) unsigned for now. 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgtypedef unsigned pb_size; 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Base class for all pb_* buffers. 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct pb_buffer 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_reference reference; 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned size; 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned alignment; 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned usage; 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /** 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Pointer to the virtual function table. 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Avoid accessing this table directly. Use the inline functions below 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * instead to avoid mistakes. 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct pb_vtbl *vtbl; 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Virtual function table for the buffer storage operations. 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Note that creation is not done through this table. 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct pb_vtbl 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void (*destroy)( struct pb_buffer *buf ); 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /** 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Map the entire data store of a buffer object into the client's address. 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * flags is bitmask of PB_USAGE_CPU_READ/WRITE. 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *(*map)( struct pb_buffer *buf, 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned flags, void *flush_ctx ); 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void (*unmap)( struct pb_buffer *buf ); 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org enum pipe_error (*validate)( struct pb_buffer *buf, 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_validate *vl, 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned flags ); 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void (*fence)( struct pb_buffer *buf, 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_fence_handle *fence ); 139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /** 141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Get the base buffer and the offset. 142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * A buffer can be subdivided in smaller buffers. This method should return 144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the underlaying buffer, and the relative offset. 145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Buffers without an underlaying base buffer should return themselves, with 147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * a zero offset. 148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Note that this will increase the reference count of the base buffer. 150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void (*get_base_buffer)( struct pb_buffer *buf, 152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_buffer **base_buf, 153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_size *offset ); 154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* Accessor functions for pb->vtbl: 160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE void * 162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_map(struct pb_buffer *buf, 163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned flags, void *flush_ctx) 164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(buf); 166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(!buf) 167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return NULL; 168f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(pipe_is_referenced(&buf->reference)); 169f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return buf->vtbl->map(buf, flags, flush_ctx); 170f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 171f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 172f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 173f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE void 174f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_unmap(struct pb_buffer *buf) 175f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 176f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(buf); 177f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(!buf) 178f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 179f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(pipe_is_referenced(&buf->reference)); 180f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf->vtbl->unmap(buf); 181f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 182f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 183f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 184f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE void 185f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_get_base_buffer( struct pb_buffer *buf, 186f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_buffer **base_buf, 187f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_size *offset ) 188f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 189f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(buf); 190f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(!buf) { 191f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org base_buf = NULL; 192f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org offset = 0; 193f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 194f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 195f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(pipe_is_referenced(&buf->reference)); 196f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(buf->vtbl->get_base_buffer); 197f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf->vtbl->get_base_buffer(buf, base_buf, offset); 198f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(*base_buf); 199f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(*offset < (*base_buf)->size); 200f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 201f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 202f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 203f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE enum pipe_error 204f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_validate(struct pb_buffer *buf, struct pb_validate *vl, unsigned flags) 205f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 206f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(buf); 207f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(!buf) 208f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return PIPE_ERROR; 209f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(buf->vtbl->validate); 210f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return buf->vtbl->validate(buf, vl, flags); 211f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 212f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 213f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 214f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE void 215f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_fence(struct pb_buffer *buf, struct pipe_fence_handle *fence) 216f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 217f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(buf); 218f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(!buf) 219f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 220f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(buf->vtbl->fence); 221f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf->vtbl->fence(buf, fence); 222f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 223f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 224f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 225f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE void 226f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_destroy(struct pb_buffer *buf) 227f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 228f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(buf); 229f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(!buf) 230f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 231f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(!pipe_is_referenced(&buf->reference)); 232f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf->vtbl->destroy(buf); 233f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 234f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 235f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE void 236f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_reference(struct pb_buffer **dst, 237f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_buffer *src) 238f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 239f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_buffer *old = *dst; 240f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 241f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (pipe_reference(&(*dst)->reference, &src->reference)) 242f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_destroy( old ); 243f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *dst = src; 244f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 245f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 246f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 247f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 248f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Utility function to check whether the provided alignment is consistent with 249f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the requested or not. 250f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 251f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE boolean 252f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_check_alignment(pb_size requested, pb_size provided) 253f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 254f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(!requested) 255f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return TRUE; 256f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(requested > provided) 257f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return FALSE; 258f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(provided % requested != 0) 259f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return FALSE; 260f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return TRUE; 261f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 262f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 263f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 264f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 265f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Utility function to check whether the provided alignment is consistent with 266f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the requested or not. 267f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 268f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE boolean 269f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_check_usage(unsigned requested, unsigned provided) 270f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 271f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (requested & provided) == requested ? TRUE : FALSE; 272f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 273f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 274f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 275f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 276f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Malloc-based buffer to store data that can't be used by the graphics 277f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * hardware. 278f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 279f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct pb_buffer * 280f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_malloc_buffer_create(pb_size size, 281f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct pb_desc *desc); 282f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 283f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 284f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifdef __cplusplus 285f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 286f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 287f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 288f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif /*PB_BUFFER_H_*/ 289