src/mesa/state_tracker/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 "pipe/p_context.h"
  37 #include "pipe/p_screen.h"
  38 #include "pipe/p_defines.h"
  39 #include "util/u_inlines.h"
  40 #include "pipe/p_state.h"
  41
  42 #include "st_context.h"
  43 #include "st_texture.h"
  44 #include "st_public.h"
  45
  46 static INLINE struct pipe_transfer *
  47 st_cond_flush_get_tex_transfer(struct st_context *st,
  48                                struct pipe_texture *pt,
  49                                unsigned int face,
  50                                unsigned int level,
  51                                unsigned int zslice,
  52                                enum pipe_transfer_usage usage,
  53                                unsigned int x, unsigned int y,
  54                                unsigned int w, unsigned int h)
  55 {
  56    struct pipe_context *context = st->pipe;
  57
  58    st_teximage_flush_before_map(st, pt, face, level, usage);
  59    return context->get_tex_transfer(context, pt, face, level, zslice, usage,
  60                                     x, y, w, h);
  61 }
  62
  63 static INLINE struct pipe_transfer *
  64 st_no_flush_get_tex_transfer(struct st_context *st,
  65                              struct pipe_texture *pt,
  66                              unsigned int face,
  67                              unsigned int level,
  68                              unsigned int zslice,
  69                              enum pipe_transfer_usage usage,
  70                              unsigned int x, unsigned int y,
  71                              unsigned int w, unsigned int h)
  72 {
  73    struct pipe_context *context = st->pipe;
  74
  75    return context->get_tex_transfer(context, pt, face, level,
  76                                    zslice, usage, x, y, w, h);
  77 }
  78
  79 static INLINE void *
  80 st_cond_flush_pipe_buffer_map(struct st_context *st,
  81                               struct pipe_buffer *buf,
  82                               unsigned int map_flags)
  83 {
  84    struct pipe_context *pipe = st->pipe;
  85    unsigned int referenced = pipe->is_buffer_referenced(pipe, buf);
  86
  87    if (referenced && ((referenced & PIPE_REFERENCED_FOR_WRITE) ||
  88                       (map_flags & PIPE_BUFFER_USAGE_CPU_WRITE)))
  89       st_flush(st, PIPE_FLUSH_RENDER_CACHE, NULL);
  90
  91    return pipe_buffer_map(pipe->screen, buf, map_flags);
  92 }
  93
  94 static INLINE void *
  95 st_no_flush_pipe_buffer_map(struct st_context *st,
  96                             struct pipe_buffer *buf,
  97                             unsigned int map_flags)
  98 {
  99    return pipe_buffer_map(st->pipe->screen, buf, map_flags);
 100 }
 101
 102
 103 static INLINE void
 104 st_cond_flush_pipe_buffer_write(struct st_context *st,
 105                                 struct pipe_buffer *buf,
 106                                 unsigned int offset,
 107                                 unsigned int size,
 108                                 const void * data)
 109 {
 110    struct pipe_context *pipe = st->pipe;
 111
 112    if (pipe->is_buffer_referenced(pipe, buf))
 113       st_flush(st, PIPE_FLUSH_RENDER_CACHE, NULL);
 114
 115    pipe_buffer_write(pipe->screen, buf, offset, size, data);
 116 }
 117
 118 static INLINE void
 119 st_no_flush_pipe_buffer_write(struct st_context *st,
 120                               struct pipe_buffer *buf,
 121                               unsigned int offset,
 122                               unsigned int size,
 123                               const void * data)
 124 {
 125    pipe_buffer_write(st->pipe->screen, buf, offset, size, data);
 126 }
 127
 128 static INLINE void
 129 st_no_flush_pipe_buffer_write_nooverlap(struct st_context *st,
 130                                         struct pipe_buffer *buf,
 131                                         unsigned int offset,
 132                                         unsigned int size,
 133                                         const void * data)
 134 {
 135    pipe_buffer_write_nooverlap(st->pipe->screen, buf, offset, size, data);
 136 }
 137
 138 static INLINE void
 139 st_cond_flush_pipe_buffer_read(struct st_context *st,
 140                                struct pipe_buffer *buf,
 141                                unsigned int offset,
 142                                unsigned int size,
 143                                void * data)
 144 {
 145    struct pipe_context *pipe = st->pipe;
 146
 147    if (pipe->is_buffer_referenced(pipe, buf) & PIPE_REFERENCED_FOR_WRITE)
 148       st_flush(st, PIPE_FLUSH_RENDER_CACHE, NULL);
 149
 150    pipe_buffer_read(pipe->screen, buf, offset, size, data);
 151 }
 152
 153 static INLINE void
 154 st_no_flush_pipe_buffer_read(struct st_context *st,
 155                              struct pipe_buffer *buf,
 156                              unsigned int offset,
 157                              unsigned int size,
 158                              void * data)
 159 {
 160    pipe_buffer_read(st->pipe->screen, buf, offset, size, data);
 161 }
 162
 163 #endif
 164