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
  47 static void svga_destroy( struct pipe_context *pipe )
  48 {
  49    struct svga_context *svga = svga_context( pipe );
  50    unsigned shader;
  51
  52    svga_cleanup_framebuffer( svga );
  53    svga_cleanup_tss_binding( svga );
  54
  55    svga_hwtnl_destroy( svga->hwtnl );
  56
  57    svga_cleanup_vertex_state(svga);
  58
  59    svga->swc->destroy(svga->swc);
  60
  61    svga_destroy_swtnl( svga );
  62
  63    u_upload_destroy( svga->upload_vb );
  64    u_upload_destroy( svga->upload_ib );
  65
  66    util_bitmask_destroy( svga->vs_bm );
  67    util_bitmask_destroy( svga->fs_bm );
  68
  69    for(shader = 0; shader < PIPE_SHADER_TYPES; ++shader)
  70       pipe_resource_reference( &svga->curr.cb[shader], NULL );
  71
  72    FREE( svga );
  73 }
  74
  75
  76
  77 struct pipe_context *svga_context_create( struct pipe_screen *screen,
  78                                           void *priv )
  79 {
  80    struct svga_screen *svgascreen = svga_screen(screen);
  81    struct svga_context *svga = NULL;
  82    enum pipe_error ret;
  83
  84    svga = CALLOC_STRUCT(svga_context);
  85    if (svga == NULL)
  86       goto no_svga;
  87
  88    svga->pipe.winsys = screen->winsys;
  89    svga->pipe.screen = screen;
  90    svga->pipe.priv = priv;
  91    svga->pipe.destroy = svga_destroy;
  92    svga->pipe.clear = svga_clear;
  93
  94    svga->swc = svgascreen->sws->context_create(svgascreen->sws);
  95    if(!svga->swc)
  96       goto no_swc;
  97
  98    svga_init_resource_functions(svga);
  99    svga_init_blend_functions(svga);
 100    svga_init_blit_functions(svga);
 101    svga_init_depth_stencil_functions(svga);
 102    svga_init_draw_functions(svga);
 103    svga_init_flush_functions(svga);
 104    svga_init_misc_functions(svga);
 105    svga_init_rasterizer_functions(svga);
 106    svga_init_sampler_functions(svga);
 107    svga_init_fs_functions(svga);
 108    svga_init_vs_functions(svga);
 109    svga_init_vertex_functions(svga);
 110    svga_init_constbuffer_functions(svga);
 111    svga_init_query_functions(svga);
 112
 113
 114    /* debug */
 115    svga->debug.no_swtnl = debug_get_bool_option("SVGA_NO_SWTNL", FALSE);
 116    svga->debug.force_swtnl = debug_get_bool_option("SVGA_FORCE_SWTNL", FALSE);
 117    svga->debug.use_min_mipmap = debug_get_bool_option("SVGA_USE_MIN_MIPMAP", FALSE);
 118    svga->debug.disable_shader = debug_get_num_option("SVGA_DISABLE_SHADER", ~0);
 119
 120    if (!svga_init_swtnl(svga))
 121       goto no_swtnl;
 122
 123    svga->fs_bm = util_bitmask_create();
 124    if (svga->fs_bm == NULL)
 125       goto no_fs_bm;
 126
 127    svga->vs_bm = util_bitmask_create();
 128    if (svga->vs_bm == NULL)
 129       goto no_vs_bm;
 130
 131    svga->upload_ib = u_upload_create( &svga->pipe,
 132                                       32 * 1024,
 133                                       16,
 134                                       PIPE_BIND_INDEX_BUFFER );
 135    if (svga->upload_ib == NULL)
 136       goto no_upload_ib;
 137
 138    svga->upload_vb = u_upload_create( &svga->pipe,
 139                                       128 * 1024,
 140                                       16,
 141                                       PIPE_BIND_VERTEX_BUFFER );
 142    if (svga->upload_vb == NULL)
 143       goto no_upload_vb;
 144
 145    svga->hwtnl = svga_hwtnl_create( svga,
 146                                     svga->upload_ib,
 147                                     svga->swc );
 148    if (svga->hwtnl == NULL)
 149       goto no_hwtnl;
 150
 151
 152    ret = svga_emit_initial_state( svga );
 153    if (ret)
 154       goto no_state;
 155
 156    /* Avoid shortcircuiting state with initial value of zero.
 157     */
 158    memset(&svga->state.hw_clear, 0xcd, sizeof(svga->state.hw_clear));
 159    memset(&svga->state.hw_clear.framebuffer, 0x0,
 160           sizeof(svga->state.hw_clear.framebuffer));
 161
 162    memset(&svga->state.hw_draw, 0xcd, sizeof(svga->state.hw_draw));
 163    memset(&svga->state.hw_draw.views, 0x0, sizeof(svga->state.hw_draw.views));
 164    svga->state.hw_draw.num_views = 0;
 165
 166    svga->dirty = ~0;
 167
 168    LIST_INITHEAD(&svga->dirty_buffers);
 169
 170    return &svga->pipe;
 171
 172 no_state:
 173    svga_hwtnl_destroy( svga->hwtnl );
 174 no_hwtnl:
 175    u_upload_destroy( svga->upload_vb );
 176 no_upload_vb:
 177    u_upload_destroy( svga->upload_ib );
 178 no_upload_ib:
 179    util_bitmask_destroy( svga->vs_bm );
 180 no_vs_bm:
 181    util_bitmask_destroy( svga->fs_bm );
 182 no_fs_bm:
 183    svga_destroy_swtnl(svga);
 184 no_swtnl:
 185    svga->swc->destroy(svga->swc);
 186 no_swc:
 187    FREE(svga);
 188 no_svga:
 189    return NULL;
 190 }
 191
 192
 193 void svga_context_flush( struct svga_context *svga,
 194                          struct pipe_fence_handle **pfence )
 195 {
 196    struct svga_screen *svgascreen = svga_screen(svga->pipe.screen);
 197    struct pipe_fence_handle *fence = NULL;
 198
 199    svga->curr.nr_fbs = 0;
 200
 201    /* Unmap upload manager buffers:
 202     */
 203    u_upload_flush(svga->upload_vb);
 204    u_upload_flush(svga->upload_ib);
 205
 206    /* Ensure that texture dma uploads are processed
 207     * before submitting commands.
 208     */
 209    svga_context_flush_buffers(svga);
 210
 211    /* Flush pending commands to hardware:
 212     */
 213    svga->swc->flush(svga->swc, &fence);
 214
 215    svga_screen_cache_flush(svgascreen, fence);
 216
 217    /* To force the reemission of rendertargets and texture bindings at
 218     * the beginning of every command buffer.
 219     */
 220    svga->dirty |= SVGA_NEW_COMMAND_BUFFER;
 221
 222    if (SVGA_DEBUG & DEBUG_SYNC) {
 223       if (fence)
 224          svga->pipe.screen->fence_finish( svga->pipe.screen, fence, 0);
 225    }
 226
 227    if(pfence)
 228       *pfence = fence;
 229    else
 230       svgascreen->sws->fence_reference(svgascreen->sws, &fence, NULL);
 231 }
 232
 233
 234 void svga_hwtnl_flush_retry( struct svga_context *svga )
 235 {
 236    enum pipe_error ret = PIPE_OK;
 237
 238    ret = svga_hwtnl_flush( svga->hwtnl );
 239    if (ret == PIPE_ERROR_OUT_OF_MEMORY) {
 240       svga_context_flush( svga, NULL );
 241       ret = svga_hwtnl_flush( svga->hwtnl );
 242    }
 243
 244    assert(ret == 0);
 245 }
 246
 247 struct svga_winsys_context *
 248 svga_winsys_context( struct pipe_context *pipe )
 249 {
 250    return svga_context( pipe )->swc;
 251 }