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 "util/u_box.h"
  41 #include "pipe/p_state.h"
  42
  43 #include "st_context.h"
  44 #include "st_texture.h"
  45 #include "st_cb_flush.h"
  46
  47 static INLINE struct pipe_transfer *
  48 st_cond_flush_get_tex_transfer(struct st_context *st,
  49                                struct pipe_resource *pt,
  50                                unsigned int face,
  51                                unsigned int level,
  52                                unsigned int zslice,
  53                                enum pipe_transfer_usage usage,
  54                                unsigned int x, unsigned int y,
  55                                unsigned int w, unsigned int h)
  56 {
  57    struct pipe_context *context = st->pipe;
  58    struct pipe_subresource subresource;
  59    struct pipe_box box;
  60
  61    subresource.face = face;
  62    subresource.level = level;
  63
  64    u_box_2d_zslice(x, y, zslice, w, h, &box);
  65
  66    st_teximage_flush_before_map(st, pt, face, level, usage);
  67
  68    return context->get_transfer(context,
  69                                 pt,
  70                                 subresource,
  71                                 usage,
  72                                 &box);
  73 }
  74
  75 static INLINE struct pipe_transfer *
  76 st_no_flush_get_tex_transfer(struct st_context *st,
  77                              struct pipe_resource *pt,
  78                              unsigned int face,
  79                              unsigned int level,
  80                              unsigned int zslice,
  81                              enum pipe_transfer_usage usage,
  82                              unsigned int x, unsigned int y,
  83                              unsigned int w, unsigned int h)
  84 {
  85    struct pipe_context *context = st->pipe;
  86    struct pipe_box box;
  87    struct pipe_subresource subresource = u_subresource( face, level );
  88
  89    u_box_2d_zslice( x, y, zslice,
  90                     w, h,
  91                     &box );
  92
  93    return context->get_transfer(context,
  94                                 pt,
  95                                 subresource,
  96                                 usage,
  97                                 &box);
  98 }
  99
 100
 101 static INLINE void
 102 st_cond_flush_pipe_buffer_write(struct st_context *st,
 103                                 struct pipe_resource *buf,
 104                                 unsigned int offset,
 105                                 unsigned int size,
 106                                 const void * data)
 107 {
 108    struct pipe_context *pipe = st->pipe;
 109
 110    pipe_buffer_write(pipe, buf, offset, size, data);
 111 }
 112
 113 static INLINE void
 114 st_no_flush_pipe_buffer_write(struct st_context *st,
 115                               struct pipe_resource *buf,
 116                               unsigned int offset,
 117                               unsigned int size,
 118                               const void * data)
 119 {
 120    pipe_buffer_write(st->pipe, buf, offset, size, data);
 121 }
 122
 123 static INLINE void
 124 st_no_flush_pipe_buffer_write_nooverlap(struct st_context *st,
 125                                         struct pipe_resource *buf,
 126                                         unsigned int offset,
 127                                         unsigned int size,
 128                                         const void * data)
 129 {
 130    pipe_buffer_write_nooverlap(st->pipe, buf, offset, size, data);
 131 }
 132
 133 static INLINE void
 134 st_cond_flush_pipe_buffer_read(struct st_context *st,
 135                                struct pipe_resource *buf,
 136                                unsigned int offset,
 137                                unsigned int size,
 138                                void * data)
 139 {
 140    struct pipe_context *pipe = st->pipe;
 141
 142    if (pipe->is_resource_referenced(pipe, buf, 0, 0) & PIPE_REFERENCED_FOR_WRITE)
 143       st_flush(st, PIPE_FLUSH_RENDER_CACHE, NULL);
 144
 145    pipe_buffer_read(pipe, buf, offset, size, data);
 146 }
 147
 148 static INLINE void
 149 st_no_flush_pipe_buffer_read(struct st_context *st,
 150                              struct pipe_resource *buf,
 151                              unsigned int offset,
 152                              unsigned int size,
 153                              void * data)
 154 {
 155    pipe_buffer_read(st->pipe, buf, offset, size, data);
 156 }
 157
 158 #endif
 159