src/gallium/drivers/svga/svga_context.c

   1 /**********************************************************
   2  * Copyright 2008-2009 VMware, Inc.  All rights reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
   7  * restriction, including without limitation the rights to use, copy,
   8  * modify, merge, publish, distribute, sublicense, and/or sell copies
   9  * of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  **********************************************************/
  25
  26 #include "svga_cmd.h"
  27
  28 #include "pipe/p_defines.h"
  29 #include "util/u_inlines.h"
  30 #include "pipe/p_screen.h"
  31 #include "util/u_memory.h"
  32 #include "util/u_bitmask.h"
  33 #include "util/u_upload_mgr.h"
  34
  35 #include "svga_context.h"
  36 #include "svga_screen.h"
  37 #include "svga_resource_texture.h"
  38 #include "svga_resource_buffer.h"
  39 #include "svga_resource.h"
  40 #include "svga_winsys.h"
  41 #include "svga_swtnl.h"
  42 #include "svga_draw.h"
  43 #include "svga_debug.h"
  44 #include "svga_state.h"
  45
  46 DEBUG_GET_ONCE_BOOL_OPTION(no_swtnl, "SVGA_NO_SWTNL", FALSE)
  47 DEBUG_GET_ONCE_BOOL_OPTION(force_swtnl, "SVGA_FORCE_SWTNL", FALSE);
  48 DEBUG_GET_ONCE_BOOL_OPTION(use_min_mipmap, "SVGA_USE_MIN_MIPMAP", FALSE);
  49 DEBUG_GET_ONCE_NUM_OPTION(disable_shader, "SVGA_DISABLE_SHADER", ~0);
  50
  51 static void svga_destroy( struct pipe_context *pipe )
  52 {
  53    struct svga_context *svga = svga_context( pipe );
  54    unsigned shader;
  55
  56    svga_cleanup_framebuffer( svga );
  57    svga_cleanup_tss_binding( svga );
  58
  59    svga_hwtnl_destroy( svga->hwtnl );
  60
  61    svga_cleanup_vertex_state(svga);
  62
  63    svga->swc->destroy(svga->swc);
  64
  65    svga_destroy_swtnl( svga );
  66
  67    u_upload_destroy( svga->upload_vb );
  68    u_upload_destroy( svga->upload_ib );
  69
  70    util_bitmask_destroy( svga->vs_bm );
  71    util_bitmask_destroy( svga->fs_bm );
  72
  73    for(shader = 0; shader < PIPE_SHADER_TYPES; ++shader)
  74       pipe_resource_reference( &svga->curr.cb[shader], NULL );
  75
  76    FREE( svga );
  77 }
  78
  79
  80
  81 struct pipe_context *svga_context_create( struct pipe_screen *screen,
  82                                           void *priv )
  83 {
  84    struct svga_screen *svgascreen = svga_screen(screen);
  85    struct svga_context *svga = NULL;
  86    enum pipe_error ret;
  87
  88    svga = CALLOC_STRUCT(svga_context);
  89    if (svga == NULL)
  90       goto no_svga;
  91
  92    svga->pipe.winsys = screen->winsys;
  93    svga->pipe.screen = screen;
  94    svga->pipe.priv = priv;
  95    svga->pipe.destroy = svga_destroy;
  96    svga->pipe.clear = svga_clear;
  97
  98    svga->swc = svgascreen->sws->context_create(svgascreen->sws);
  99    if(!svga->swc)
 100       goto no_swc;
 101
 102    svga_init_resource_functions(svga);
 103    svga_init_blend_functions(svga);
 104    svga_init_blit_functions(svga);
 105    svga_init_depth_stencil_functions(svga);
 106    svga_init_draw_functions(svga);
 107    svga_init_flush_functions(svga);
 108    svga_init_misc_functions(svga);
 109    svga_init_rasterizer_functions(svga);
 110    svga_init_sampler_functions(svga);
 111    svga_init_fs_functions(svga);
 112    svga_init_vs_functions(svga);
 113    svga_init_vertex_functions(svga);
 114    svga_init_constbuffer_functions(svga);
 115    svga_init_query_functions(svga);
 116    svga_init_surface_functions(svga);
 117
 118
 119    /* debug */
 120    svga->debug.no_swtnl = debug_get_option_no_swtnl();
 121    svga->debug.force_swtnl = debug_get_option_force_swtnl();
 122    svga->debug.use_min_mipmap = debug_get_option_use_min_mipmap();
 123    svga->debug.disable_shader = debug_get_option_disable_shader();
 124
 125    if (!svga_init_swtnl(svga))
 126       goto no_swtnl;
 127
 128    svga->fs_bm = util_bitmask_create();
 129    if (svga->fs_bm == NULL)
 130       goto no_fs_bm;
 131
 132    svga->vs_bm = util_bitmask_create();
 133    if (svga->vs_bm == NULL)
 134       goto no_vs_bm;
 135
 136    svga->upload_ib = u_upload_create( &svga->pipe,
 137                                       32 * 1024,
 138                                       16,
 139                                       PIPE_BIND_INDEX_BUFFER );
 140    if (svga->upload_ib == NULL)
 141       goto no_upload_ib;
 142
 143    svga->upload_vb = u_upload_create( &svga->pipe,
 144                                       128 * 1024,
 145                                       16,
 146                                       PIPE_BIND_VERTEX_BUFFER );
 147    if (svga->upload_vb == NULL)
 148       goto no_upload_vb;
 149
 150    svga->hwtnl = svga_hwtnl_create( svga,
 151                                     svga->upload_ib,
 152                                     svga->swc );
 153    if (svga->hwtnl == NULL)
 154       goto no_hwtnl;
 155
 156
 157    ret = svga_emit_initial_state( svga );
 158    if (ret)
 159       goto no_state;
 160
 161    /* Avoid shortcircuiting state with initial value of zero.
 162     */
 163    memset(&svga->state.hw_clear, 0xcd, sizeof(svga->state.hw_clear));
 164    memset(&svga->state.hw_clear.framebuffer, 0x0,
 165           sizeof(svga->state.hw_clear.framebuffer));
 166
 167    memset(&svga->state.hw_draw, 0xcd, sizeof(svga->state.hw_draw));
 168    memset(&svga->state.hw_draw.views, 0x0, sizeof(svga->state.hw_draw.views));
 169    svga->state.hw_draw.num_views = 0;
 170
 171    svga->dirty = ~0;
 172
 173    LIST_INITHEAD(&svga->dirty_buffers);
 174
 175    return &svga->pipe;
 176
 177 no_state:
 178    svga_hwtnl_destroy( svga->hwtnl );
 179 no_hwtnl:
 180    u_upload_destroy( svga->upload_vb );
 181 no_upload_vb:
 182    u_upload_destroy( svga->upload_ib );
 183 no_upload_ib:
 184    util_bitmask_destroy( svga->vs_bm );
 185 no_vs_bm:
 186    util_bitmask_destroy( svga->fs_bm );
 187 no_fs_bm:
 188    svga_destroy_swtnl(svga);
 189 no_swtnl:
 190    svga->swc->destroy(svga->swc);
 191 no_swc:
 192    FREE(svga);
 193 no_svga:
 194    return NULL;
 195 }
 196
 197
 198 void svga_context_flush( struct svga_context *svga,
 199                          struct pipe_fence_handle **pfence )
 200 {
 201    struct svga_screen *svgascreen = svga_screen(svga->pipe.screen);
 202    struct pipe_fence_handle *fence = NULL;
 203
 204    svga->curr.nr_fbs = 0;
 205
 206    /* Unmap upload manager buffers:
 207     */
 208    u_upload_flush(svga->upload_vb);
 209    u_upload_flush(svga->upload_ib);
 210
 211    /* Ensure that texture dma uploads are processed
 212     * before submitting commands.
 213     */
 214    svga_context_flush_buffers(svga);
 215
 216    /* Flush pending commands to hardware:
 217     */
 218    svga->swc->flush(svga->swc, &fence);
 219
 220    svga_screen_cache_flush(svgascreen, fence);
 221
 222    /* To force the reemission of rendertargets and texture bindings at
 223     * the beginning of every command buffer.
 224     */
 225    svga->dirty |= SVGA_NEW_COMMAND_BUFFER;
 226
 227    if (SVGA_DEBUG & DEBUG_SYNC) {
 228       if (fence)
 229          svga->pipe.screen->fence_finish( svga->pipe.screen, fence, 0);
 230    }
 231
 232    if(pfence)
 233       *pfence = fence;
 234    else
 235       svgascreen->sws->fence_reference(svgascreen->sws, &fence, NULL);
 236 }
 237
 238
 239 void svga_hwtnl_flush_retry( struct svga_context *svga )
 240 {
 241    enum pipe_error ret = PIPE_OK;
 242
 243    ret = svga_hwtnl_flush( svga->hwtnl );
 244    if (ret == PIPE_ERROR_OUT_OF_MEMORY) {
 245       svga_context_flush( svga, NULL );
 246       ret = svga_hwtnl_flush( svga->hwtnl );
 247    }
 248
 249    assert(ret == 0);
 250 }
 251
 252 struct svga_winsys_context *
 253 svga_winsys_context( struct pipe_context *pipe )
 254 {
 255    return svga_context( pipe )->swc;
 256 }