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    util_blitter_destroy(svga->blitter);
  60
  61    svga_cleanup_framebuffer( svga );
  62    svga_cleanup_tss_binding( svga );
  63
  64    svga_hwtnl_destroy( svga->hwtnl );
  65
  66    svga_cleanup_vertex_state(svga);
  67
  68    svga->swc->destroy(svga->swc);
  69
  70    svga_destroy_swtnl( svga );
  71
  72    u_upload_destroy( svga->upload_vb );
  73    u_upload_destroy( svga->upload_ib );
  74
  75    util_bitmask_destroy( svga->vs_bm );
  76    util_bitmask_destroy( svga->fs_bm );
  77
  78    for(shader = 0; shader < PIPE_SHADER_TYPES; ++shader)
  79       pipe_resource_reference( &svga->curr.cb[shader], NULL );
  80
  81    FREE( svga );
  82 }
  83
  84
  85
  86 struct pipe_context *svga_context_create( struct pipe_screen *screen,
  87                                           void *priv )
  88 {
  89    struct svga_screen *svgascreen = svga_screen(screen);
  90    struct svga_context *svga = NULL;
  91    enum pipe_error ret;
  92
  93    svga = CALLOC_STRUCT(svga_context);
  94    if (svga == NULL)
  95       goto no_svga;
  96
  97    svga->pipe.screen = screen;
  98    svga->pipe.priv = priv;
  99    svga->pipe.destroy = svga_destroy;
 100    svga->pipe.clear = svga_clear;
 101
 102    svga->swc = svgascreen->sws->context_create(svgascreen->sws);
 103    if(!svga->swc)
 104       goto no_swc;
 105
 106    svga_init_resource_functions(svga);
 107    svga_init_blend_functions(svga);
 108    svga_init_blit_functions(svga);
 109    svga_init_depth_stencil_functions(svga);
 110    svga_init_draw_functions(svga);
 111    svga_init_flush_functions(svga);
 112    svga_init_misc_functions(svga);
 113    svga_init_rasterizer_functions(svga);
 114    svga_init_sampler_functions(svga);
 115    svga_init_fs_functions(svga);
 116    svga_init_vs_functions(svga);
 117    svga_init_vertex_functions(svga);
 118    svga_init_constbuffer_functions(svga);
 119    svga_init_query_functions(svga);
 120    svga_init_surface_functions(svga);
 121
 122
 123    /* debug */
 124    svga->debug.no_swtnl = debug_get_option_no_swtnl();
 125    svga->debug.force_swtnl = debug_get_option_force_swtnl();
 126    svga->debug.use_min_mipmap = debug_get_option_use_min_mipmap();
 127    svga->debug.disable_shader = debug_get_option_disable_shader();
 128    svga->debug.no_line_width = debug_get_option_no_line_width();
 129    svga->debug.force_hw_line_stipple = debug_get_option_force_hw_line_stipple();
 130
 131    svga->fs_bm = util_bitmask_create();
 132    if (svga->fs_bm == NULL)
 133       goto no_fs_bm;
 134
 135    svga->vs_bm = util_bitmask_create();
 136    if (svga->vs_bm == NULL)
 137       goto no_vs_bm;
 138
 139    svga->upload_ib = u_upload_create( &svga->pipe,
 140                                       32 * 1024,
 141                                       16,
 142                                       PIPE_BIND_INDEX_BUFFER );
 143    if (svga->upload_ib == NULL)
 144       goto no_upload_ib;
 145
 146    svga->upload_vb = u_upload_create( &svga->pipe,
 147                                       128 * 1024,
 148                                       16,
 149                                       PIPE_BIND_VERTEX_BUFFER );
 150    if (svga->upload_vb == NULL)
 151       goto no_upload_vb;
 152
 153    svga->hwtnl = svga_hwtnl_create( svga,
 154                                     svga->upload_ib,
 155                                     svga->swc );
 156    if (svga->hwtnl == NULL)
 157       goto no_hwtnl;
 158
 159    if (!svga_init_swtnl(svga))
 160       goto no_swtnl;
 161
 162    ret = svga_emit_initial_state( svga );
 163    if (ret != PIPE_OK)
 164       goto no_state;
 165
 166    /* Avoid shortcircuiting state with initial value of zero.
 167     */
 168    memset(&svga->state.hw_clear, 0xcd, sizeof(svga->state.hw_clear));
 169    memset(&svga->state.hw_clear.framebuffer, 0x0,
 170           sizeof(svga->state.hw_clear.framebuffer));
 171
 172    memset(&svga->state.hw_draw, 0xcd, sizeof(svga->state.hw_draw));
 173    memset(&svga->state.hw_draw.views, 0x0, sizeof(svga->state.hw_draw.views));
 174    svga->state.hw_draw.num_views = 0;
 175
 176    svga->dirty = ~0;
 177
 178    LIST_INITHEAD(&svga->dirty_buffers);
 179
 180    return &svga->pipe;
 181
 182 no_state:
 183    svga_destroy_swtnl(svga);
 184 no_swtnl:
 185    svga_hwtnl_destroy( svga->hwtnl );
 186 no_hwtnl:
 187    u_upload_destroy( svga->upload_vb );
 188 no_upload_vb:
 189    u_upload_destroy( svga->upload_ib );
 190 no_upload_ib:
 191    util_bitmask_destroy( svga->vs_bm );
 192 no_vs_bm:
 193    util_bitmask_destroy( svga->fs_bm );
 194 no_fs_bm:
 195    svga->swc->destroy(svga->swc);
 196 no_swc:
 197    FREE(svga);
 198 no_svga:
 199    return NULL;
 200 }
 201
 202
 203 void svga_context_flush( struct svga_context *svga,
 204                          struct pipe_fence_handle **pfence )
 205 {
 206    struct svga_screen *svgascreen = svga_screen(svga->pipe.screen);
 207    struct pipe_fence_handle *fence = NULL;
 208
 209    svga->curr.nr_fbs = 0;
 210
 211    /* Flush the upload managers to ensure recycling of upload buffers
 212     * without throttling. This should really be conditioned on
 213     * pipe_buffer_map_range not supporting PIPE_TRANSFER_UNSYNCHRONIZED.
 214     */
 215
 216    u_upload_flush(svga->upload_vb);
 217    u_upload_flush(svga->upload_ib);
 218
 219    /* Ensure that texture dma uploads are processed
 220     * before submitting commands.
 221     */
 222    svga_context_flush_buffers(svga);
 223
 224    /* Flush pending commands to hardware:
 225     */
 226    svga->swc->flush(svga->swc, &fence);
 227
 228    svga_screen_cache_flush(svgascreen, fence);
 229
 230    /* To force the re-emission of rendertargets and texture sampler bindings on
 231     * the next command buffer.
 232     */
 233    svga->rebind.rendertargets = TRUE;
 234    svga->rebind.texture_samplers = TRUE;
 235
 236    if (SVGA_DEBUG & DEBUG_SYNC) {
 237       if (fence)
 238          svga->pipe.screen->fence_finish( svga->pipe.screen, fence,
 239                                           PIPE_TIMEOUT_INFINITE);
 240    }
 241
 242    if(pfence)
 243       svgascreen->sws->fence_reference(svgascreen->sws, pfence, fence);
 244
 245    svgascreen->sws->fence_reference(svgascreen->sws, &fence, NULL);
 246 }
 247
 248
 249 void svga_hwtnl_flush_retry( struct svga_context *svga )
 250 {
 251    enum pipe_error ret = PIPE_OK;
 252
 253    ret = svga_hwtnl_flush( svga->hwtnl );
 254    if (ret == PIPE_ERROR_OUT_OF_MEMORY) {
 255       svga_context_flush( svga, NULL );
 256       ret = svga_hwtnl_flush( svga->hwtnl );
 257    }
 258
 259    assert(ret == 0);
 260 }
 261
 262
 263 /**
 264  * Flush the primitive queue if this buffer is referred.
 265  *
 266  * Otherwise DMA commands on the referred buffer will be emitted too late.
 267  */
 268 void svga_hwtnl_flush_buffer( struct svga_context *svga,
 269                               struct pipe_resource *buffer )
 270 {
 271    if (svga_hwtnl_is_buffer_referred(svga->hwtnl, buffer)) {
 272       svga_hwtnl_flush_retry(svga);
 273    }
 274 }
 275
 276
 277 /* Emit all operations pending on host surfaces.
 278  */
 279 void svga_surfaces_flush(struct svga_context *svga)
 280 {
 281    unsigned i;
 282
 283    /* Emit buffered drawing commands.
 284     */
 285    svga_hwtnl_flush_retry( svga );
 286
 287    /* Emit back-copy from render target view to texture.
 288     */
 289    for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
 290       if (svga->curr.framebuffer.cbufs[i])
 291          svga_propagate_surface(svga, svga->curr.framebuffer.cbufs[i]);
 292    }
 293
 294    if (svga->curr.framebuffer.zsbuf)
 295       svga_propagate_surface(svga, svga->curr.framebuffer.zsbuf);
 296
 297 }
 298
 299
 300 struct svga_winsys_context *
 301 svga_winsys_context( struct pipe_context *pipe )
 302 {
 303    return svga_context( pipe )->swc;
 304 }