src/mesa/state_tracker/st_cb_flush.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 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   * Authors:
  30   *   Keith Whitwell <keithw@vmware.com>
  31   *   Brian Paul
  32   */
  33
  34 #include "main/glheader.h"
  35 #include "main/macros.h"
  36 #include "main/context.h"
  37 #include "st_context.h"
  38 #include "st_cb_bitmap.h"
  39 #include "st_cb_flush.h"
  40 #include "st_cb_clear.h"
  41 #include "st_cb_fbo.h"
  42 #include "st_manager.h"
  43 #include "pipe/p_context.h"
  44 #include "pipe/p_defines.h"
  45 #include "pipe/p_screen.h"
  46 #include "util/u_gen_mipmap.h"
  47
  48
  49 void st_flush(struct st_context *st,
  50               struct pipe_fence_handle **fence,
  51               unsigned flags)
  52 {
  53    st_flush_bitmap_cache(st);
  54
  55    st->pipe->flush(st->pipe, fence, flags);
  56 }
  57
  58
  59 /**
  60  * Flush, and wait for completion.
  61  */
  62 void st_finish( struct st_context *st )
  63 {
  64    struct pipe_fence_handle *fence = NULL;
  65
  66    st_flush(st, &fence, PIPE_FLUSH_ASYNC | PIPE_FLUSH_HINT_FINISH);
  67
  68    if(fence) {
  69       st->pipe->screen->fence_finish(st->pipe->screen, NULL, fence,
  70                                      PIPE_TIMEOUT_INFINITE);
  71       st->pipe->screen->fence_reference(st->pipe->screen, &fence, NULL);
  72    }
  73
  74    st_manager_flush_swapbuffers();
  75 }
  76
  77
  78
  79 /**
  80  * Called via ctx->Driver.Flush()
  81  */
  82 static void st_glFlush(struct gl_context *ctx)
  83 {
  84    struct st_context *st = st_context(ctx);
  85
  86    /* Don't call st_finish() here.  It is not the state tracker's
  87     * responsibilty to inject sleeps in the hope of avoiding buffer
  88     * synchronization issues.  Calling finish() here will just hide
  89     * problems that need to be fixed elsewhere.
  90     */
  91    st_flush(st, NULL, 0);
  92
  93    st_manager_flush_frontbuffer(st);
  94 }
  95
  96
  97 /**
  98  * Called via ctx->Driver.Finish()
  99  */
 100 static void st_glFinish(struct gl_context *ctx)
 101 {
 102    struct st_context *st = st_context(ctx);
 103
 104    st_finish(st);
 105
 106    st_manager_flush_frontbuffer(st);
 107 }
 108
 109
 110 static GLenum
 111 gl_reset_status_from_pipe_reset_status(enum pipe_reset_status status)
 112 {
 113    switch (status) {
 114    case PIPE_NO_RESET:
 115       return GL_NO_ERROR;
 116    case PIPE_GUILTY_CONTEXT_RESET:
 117       return GL_GUILTY_CONTEXT_RESET_ARB;
 118    case PIPE_INNOCENT_CONTEXT_RESET:
 119       return GL_INNOCENT_CONTEXT_RESET_ARB;
 120    case PIPE_UNKNOWN_CONTEXT_RESET:
 121       return GL_UNKNOWN_CONTEXT_RESET_ARB;
 122    default:
 123       assert(0);
 124       return GL_NO_ERROR;
 125    }
 126 }
 127
 128
 129 /**
 130  * Query information about GPU resets observed by this context
 131  *
 132  * Called via \c dd_function_table::GetGraphicsResetStatus.
 133  */
 134 static GLenum
 135 st_get_graphics_reset_status(struct gl_context *ctx)
 136 {
 137    struct st_context *st = st_context(ctx);
 138    enum pipe_reset_status status;
 139
 140    if (st->reset_status != PIPE_NO_RESET) {
 141       status = st->reset_status;
 142       st->reset_status = PIPE_NO_RESET;
 143    } else {
 144       status = st->pipe->get_device_reset_status(st->pipe);
 145    }
 146
 147    return gl_reset_status_from_pipe_reset_status(status);
 148 }
 149
 150
 151 static void
 152 st_device_reset_callback(void *data, enum pipe_reset_status status)
 153 {
 154    struct st_context *st = data;
 155
 156    assert(status != PIPE_NO_RESET);
 157
 158    st->reset_status = status;
 159    _mesa_set_context_lost_dispatch(st->ctx);
 160 }
 161
 162
 163 void
 164 st_install_device_reset_callback(struct st_context *st)
 165 {
 166    if (st->pipe->set_device_reset_callback) {
 167       struct pipe_device_reset_callback cb;
 168       cb.reset = st_device_reset_callback;
 169       cb.data = st;
 170       st->pipe->set_device_reset_callback(st->pipe, &cb);
 171    }
 172 }
 173
 174
 175 void st_init_flush_functions(struct pipe_screen *screen,
 176                              struct dd_function_table *functions)
 177 {
 178    functions->Flush = st_glFlush;
 179    functions->Finish = st_glFinish;
 180
 181    if (screen->get_param(screen, PIPE_CAP_DEVICE_RESET_STATUS_QUERY))
 182       functions->GetGraphicsResetStatus = st_get_graphics_reset_status;
 183 }