src/gallium/state_trackers/vega/st_inlines.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 /**
  29  * Functions for checking if buffers/textures are referenced when we need
  30  * to read/write from/to them.  Flush when needed.
  31  */
  32
  33 #ifndef ST_INLINES_H
  34 #define ST_INLINES_H
  35
  36 #include "vg_context.h"
  37
  38 #include "pipe/p_context.h"
  39 #include "pipe/p_screen.h"
  40 #include "pipe/p_defines.h"
  41 #include "util/u_inlines.h"
  42 #include "pipe/p_state.h"
  43
  44 static INLINE struct pipe_transfer *
  45 st_cond_flush_get_tex_transfer(struct vg_context *st,
  46                                struct pipe_texture *pt,
  47                                unsigned int face,
  48                                unsigned int level,
  49                                unsigned int zslice,
  50                                enum pipe_transfer_usage usage,
  51                                unsigned int x, unsigned int y,
  52                                unsigned int w, unsigned int h)
  53 {
  54    struct pipe_context *pipe = st->pipe;
  55    unsigned referenced =
  56       pipe->is_texture_referenced(pipe, pt, face, level);
  57
  58    if (referenced && ((referenced & PIPE_REFERENCED_FOR_WRITE) ||
  59                       (usage & PIPE_TRANSFER_WRITE)))
  60       vgFlush();
  61
  62    return pipe->get_tex_transfer(pipe, pt, face, level, zslice, usage,
  63                                    x, y, w, h);
  64 }
  65
  66 static INLINE struct pipe_transfer *
  67 st_no_flush_get_tex_transfer(struct vg_context *st,
  68                              struct pipe_texture *pt,
  69                              unsigned int face,
  70                              unsigned int level,
  71                              unsigned int zslice,
  72                              enum pipe_transfer_usage usage,
  73                              unsigned int x, unsigned int y,
  74                              unsigned int w, unsigned int h)
  75 {
  76    struct pipe_context *pipe = st->pipe;
  77
  78    return pipe->get_tex_transfer(pipe, pt, face, level,
  79                                  zslice, usage, x, y, w, h);
  80 }
  81
  82 static INLINE void *
  83 st_cond_flush_pipe_buffer_map(struct vg_context *st,
  84                               struct pipe_buffer *buf,
  85                               unsigned int map_flags)
  86 {
  87    struct pipe_context *pipe = st->pipe;
  88    unsigned int referenced = pipe->is_buffer_referenced(pipe, buf);
  89
  90    if (referenced && ((referenced & PIPE_REFERENCED_FOR_WRITE) ||
  91                       (map_flags & PIPE_BUFFER_USAGE_CPU_WRITE)))
  92       vgFlush();
  93
  94    return pipe_buffer_map(pipe->screen, buf, map_flags);
  95 }
  96
  97 static INLINE void *
  98 st_no_flush_pipe_buffer_map(struct vg_context *st,
  99                             struct pipe_buffer *buf,
 100                             unsigned int map_flags)
 101 {
 102    return pipe_buffer_map(st->pipe->screen, buf, map_flags);
 103 }
 104
 105
 106 static INLINE void
 107 st_cond_flush_pipe_buffer_write(struct vg_context *st,
 108                                 struct pipe_buffer *buf,
 109                                 unsigned int offset,
 110                                 unsigned int size,
 111                                 const void * data)
 112 {
 113    struct pipe_context *pipe = st->pipe;
 114
 115    if (pipe->is_buffer_referenced(pipe, buf))
 116       vgFlush();
 117
 118    pipe_buffer_write(pipe->screen, buf, offset, size, data);
 119 }
 120
 121 static INLINE void
 122 st_no_flush_pipe_buffer_write(struct vg_context *st,
 123                               struct pipe_buffer *buf,
 124                               unsigned int offset,
 125                               unsigned int size,
 126                               const void * data)
 127 {
 128    pipe_buffer_write(st->pipe->screen, buf, offset, size, data);
 129 }
 130
 131 static INLINE void
 132 st_cond_flush_pipe_buffer_read(struct vg_context *st,
 133                                struct pipe_buffer *buf,
 134                                unsigned int offset,
 135                                unsigned int size,
 136                                void * data)
 137 {
 138    struct pipe_context *pipe = st->pipe;
 139
 140    if (pipe->is_buffer_referenced(pipe, buf) & PIPE_REFERENCED_FOR_WRITE)
 141       vgFlush();
 142
 143    pipe_buffer_read(pipe->screen, buf, offset, size, data);
 144 }
 145
 146 static INLINE void
 147 st_no_flush_pipe_buffer_read(struct vg_context *st,
 148                              struct pipe_buffer *buf,
 149                              unsigned int offset,
 150                              unsigned int size,
 151                              void * data)
 152 {
 153    pipe_buffer_read(st->pipe->screen, buf, offset, size, data);
 154 }
 155
 156 #endif
 157