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_surface.h"
  38 #include "svga_resource_texture.h"
  39 #include "svga_resource_buffer.h"
  40 #include "svga_resource.h"
  41 #include "svga_winsys.h"
  42 #include "svga_swtnl.h"
  43 #include "svga_draw.h"
  44 #include "svga_debug.h"
  45 #include "svga_state.h"
  46
  47 DEBUG_GET_ONCE_BOOL_OPTION(no_swtnl, "SVGA_NO_SWTNL", FALSE)
  48 DEBUG_GET_ONCE_BOOL_OPTION(force_swtnl, "SVGA_FORCE_SWTNL", FALSE);
  49 DEBUG_GET_ONCE_BOOL_OPTION(use_min_mipmap, "SVGA_USE_MIN_MIPMAP", FALSE);
  50 DEBUG_GET_ONCE_NUM_OPTION(disable_shader, "SVGA_DISABLE_SHADER", ~0);
  51 DEBUG_GET_ONCE_BOOL_OPTION(no_line_width, "SVGA_NO_LINE_WIDTH", FALSE);
  52 DEBUG_GET_ONCE_BOOL_OPTION(force_hw_line_stipple, "SVGA_FORCE_HW_LINE_STIPPLE", FALSE);
  53
  54 static void svga_destroy( struct pipe_context *pipe )
  55 {
  56    struct svga_context *svga = svga_context( pipe );
  57    unsigned shader;
  58
  59    svga_cleanup_framebuffer( svga );
  60    svga_cleanup_tss_binding( svga );
  61
  62    svga_hwtnl_destroy( svga->hwtnl );
  63
  64    svga_cleanup_vertex_state(svga);
  65
  66    svga->swc->destroy(svga->swc);
  67
  68    svga_destroy_swtnl( svga );
  69
  70    u_upload_destroy( svga->upload_vb );
  71    u_upload_destroy( svga->upload_ib );
  72
  73    util_bitmask_destroy( svga->vs_bm );
  74    util_bitmask_destroy( svga->fs_bm );
  75
  76    for(shader = 0; shader < PIPE_SHADER_TYPES; ++shader)
  77       pipe_resource_reference( &svga->curr.cb[shader], NULL );
  78
  79    FREE( svga );
  80 }
  81
  82
  83
  84 struct pipe_context *svga_context_create( struct pipe_screen *screen,
  85                                           void *priv )
  86 {
  87    struct svga_screen *svgascreen = svga_screen(screen);
  88    struct svga_context *svga = NULL;
  89    enum pipe_error ret;
  90
  91    svga = CALLOC_STRUCT(svga_context);
  92    if (svga == NULL)
  93       goto no_svga;
  94
  95    svga->pipe.winsys = screen->winsys;
  96    svga->pipe.screen = screen;
  97    svga->pipe.priv = priv;
  98    svga->pipe.destroy = svga_destroy;
  99    svga->pipe.clear = svga_clear;
 100
 101    svga->swc = svgascreen->sws->context_create(svgascreen->sws);
 102    if(!svga->swc)
 103       goto no_swc;
 104
 105    svga_init_resource_functions(svga);
 106    svga_init_blend_functions(svga);
 107    svga_init_blit_functions(svga);
 108    svga_init_depth_stencil_functions(svga);
 109    svga_init_draw_functions(svga);
 110    svga_init_flush_functions(svga);
 111    svga_init_misc_functions(svga);
 112    svga_init_rasterizer_functions(svga);
 113    svga_init_sampler_functions(svga);
 114    svga_init_fs_functions(svga);
 115    svga_init_vs_functions(svga);
 116    svga_init_vertex_functions(svga);
 117    svga_init_constbuffer_functions(svga);
 118    svga_init_query_functions(svga);
 119    svga_init_surface_functions(svga);
 120
 121
 122    /* debug */
 123    svga->debug.no_swtnl = debug_get_option_no_swtnl();
 124    svga->debug.force_swtnl = debug_get_option_force_swtnl();
 125    svga->debug.use_min_mipmap = debug_get_option_use_min_mipmap();
 126    svga->debug.disable_shader = debug_get_option_disable_shader();
 127    svga->debug.no_line_width = debug_get_option_no_line_width();
 128    svga->debug.force_hw_line_stipple = debug_get_option_force_hw_line_stipple();
 129
 130    svga->fs_bm = util_bitmask_create();
 131    if (svga->fs_bm == NULL)
 132       goto no_fs_bm;
 133
 134    svga->vs_bm = util_bitmask_create();
 135    if (svga->vs_bm == NULL)
 136       goto no_vs_bm;
 137
 138    svga->upload_ib = u_upload_create( &svga->pipe,
 139                                       32 * 1024,
 140                                       16,
 141                                       PIPE_BIND_INDEX_BUFFER );
 142    if (svga->upload_ib == NULL)
 143       goto no_upload_ib;
 144
 145    svga->upload_vb = u_upload_create( &svga->pipe,
 146                                       128 * 1024,
 147                                       16,
 148                                       PIPE_BIND_VERTEX_BUFFER );
 149    if (svga->upload_vb == NULL)
 150       goto no_upload_vb;
 151
 152    svga->hwtnl = svga_hwtnl_create( svga,
 153                                     svga->upload_ib,
 154                                     svga->swc );
 155    if (svga->hwtnl == NULL)
 156       goto no_hwtnl;
 157
 158    if (!svga_init_swtnl(svga))
 159       goto no_swtnl;
 160
 161    ret = svga_emit_initial_state( svga );
 162    if (ret)
 163       goto no_state;
 164
 165    /* Avoid shortcircuiting state with initial value of zero.
 166     */
 167    memset(&svga->state.hw_clear, 0xcd, sizeof(svga->state.hw_clear));
 168    memset(&svga->state.hw_clear.framebuffer, 0x0,
 169           sizeof(svga->state.hw_clear.framebuffer));
 170
 171    memset(&svga->state.hw_draw, 0xcd, sizeof(svga->state.hw_draw));
 172    memset(&svga->state.hw_draw.views, 0x0, sizeof(svga->state.hw_draw.views));
 173    svga->state.hw_draw.num_views = 0;
 174
 175    svga->dirty = ~0;
 176
 177    LIST_INITHEAD(&svga->dirty_buffers);
 178
 179    return &svga->pipe;
 180
 181 no_state:
 182    svga_destroy_swtnl(svga);
 183 no_swtnl:
 184    svga_hwtnl_destroy( svga->hwtnl );
 185 no_hwtnl:
 186    u_upload_destroy( svga->upload_vb );
 187 no_upload_vb:
 188    u_upload_destroy( svga->upload_ib );
 189 no_upload_ib:
 190    util_bitmask_destroy( svga->vs_bm );
 191 no_vs_bm:
 192    util_bitmask_destroy( svga->fs_bm );
 193 no_fs_bm:
 194    svga->swc->destroy(svga->swc);
 195 no_swc:
 196    FREE(svga);
 197 no_svga:
 198    return NULL;
 199 }
 200
 201
 202 void svga_context_flush( struct svga_context *svga,
 203                          struct pipe_fence_handle **pfence )
 204 {
 205    struct svga_screen *svgascreen = svga_screen(svga->pipe.screen);
 206    struct pipe_fence_handle *fence = NULL;
 207
 208    svga->curr.nr_fbs = 0;
 209
 210    /* Flush the upload managers to ensure recycling of upload buffers
 211     * without throttling. This should really be conditioned on
 212     * pipe_buffer_map_range not supporting PIPE_TRANSFER_UNSYNCHRONIZED.
 213     */
 214
 215    u_upload_flush(svga->upload_vb);
 216    u_upload_flush(svga->upload_ib);
 217
 218    /* Ensure that texture dma uploads are processed
 219     * before submitting commands.
 220     */
 221    svga_context_flush_buffers(svga);
 222
 223    /* Flush pending commands to hardware:
 224     */
 225    svga->swc->flush(svga->swc, &fence);
 226
 227    svga_screen_cache_flush(svgascreen, fence);
 228
 229    /* To force the re-emission of rendertargets and texture sampler bindings on
 230     * the next command buffer.
 231     */
 232    svga->rebind.rendertargets = TRUE;
 233    svga->rebind.texture_samplers = TRUE;
 234
 235    if (SVGA_DEBUG & DEBUG_SYNC) {
 236       if (fence)
 237          svga->pipe.screen->fence_finish( svga->pipe.screen, fence,
 238                                           PIPE_TIMEOUT_INFINITE);
 239    }
 240
 241    if(pfence)
 242       *pfence = fence;
 243    else
 244       svgascreen->sws->fence_reference(svgascreen->sws, &fence, NULL);
 245 }
 246
 247
 248 void svga_hwtnl_flush_retry( struct svga_context *svga )
 249 {
 250    enum pipe_error ret = PIPE_OK;
 251
 252    ret = svga_hwtnl_flush( svga->hwtnl );
 253    if (ret == PIPE_ERROR_OUT_OF_MEMORY) {
 254       svga_context_flush( svga, NULL );
 255       ret = svga_hwtnl_flush( svga->hwtnl );
 256    }
 257
 258    assert(ret == 0);
 259 }
 260
 261
 262 /* Emit all operations pending on host surfaces.
 263  */
 264 void svga_surfaces_flush(struct svga_context *svga)
 265 {
 266    unsigned i;
 267
 268    /* Emit buffered drawing commands.
 269     */
 270    svga_hwtnl_flush_retry( svga );
 271
 272    /* Emit back-copy from render target view to texture.
 273     */
 274    for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
 275       if (svga->curr.framebuffer.cbufs[i])
 276          svga_propagate_surface(svga, svga->curr.framebuffer.cbufs[i]);
 277    }
 278
 279    if (svga->curr.framebuffer.zsbuf)
 280       svga_propagate_surface(svga, svga->curr.framebuffer.zsbuf);
 281
 282 }
 283
 284
 285 struct svga_winsys_context *
 286 svga_winsys_context( struct pipe_context *pipe )
 287 {
 288    return svga_context( pipe )->swc;
 289 }