Example #1
0
/** Run function of the MLAA filter. */
static void
pp_jimenezmlaa_run(struct pp_queue_t *ppq, struct pipe_resource *in,
                   struct pipe_resource *out, unsigned int n, bool iscolor)
{

   struct pp_program *p = ppq->p;

   struct pipe_depth_stencil_alpha_state mstencil;
   struct pipe_sampler_view v_tmp, *arr[3];

   unsigned int w = 0;
   unsigned int h = 0;

   const struct pipe_stencil_ref ref = { {1} };

   /* Insufficient initialization checks. */
   assert(p);
   assert(ppq);
   assert(ppq->constbuf);
   assert(ppq->areamaptex);
   assert(ppq->inner_tmp);
   assert(ppq->shaders[n]);

   w = p->framebuffer.width;
   h = p->framebuffer.height;

   memset(&mstencil, 0, sizeof(mstencil));

   cso_set_stencil_ref(p->cso, &ref);

   /* Init the pixel size constant */
   if (dimensions[0] != p->framebuffer.width ||
       dimensions[1] != p->framebuffer.height) {
      constants[0] = 1.0f / p->framebuffer.width;
      constants[1] = 1.0f / p->framebuffer.height;

      up_consts(ppq);
      dimensions[0] = p->framebuffer.width;
      dimensions[1] = p->framebuffer.height;
   }

   cso_set_constant_buffer_resource(p->cso, PIPE_SHADER_VERTEX,
                                    0, ppq->constbuf);
   cso_set_constant_buffer_resource(p->cso, PIPE_SHADER_FRAGMENT,
                                    0, ppq->constbuf);

   mstencil.stencil[0].enabled = 1;
   mstencil.stencil[0].valuemask = mstencil.stencil[0].writemask = ~0;
   mstencil.stencil[0].func = PIPE_FUNC_ALWAYS;
   mstencil.stencil[0].fail_op = PIPE_STENCIL_OP_KEEP;
   mstencil.stencil[0].zfail_op = PIPE_STENCIL_OP_KEEP;
   mstencil.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE;

   p->framebuffer.zsbuf = ppq->stencils;

   /* First pass: depth edge detection */
   if (iscolor)
      pp_filter_setup_in(p, in);
   else
      pp_filter_setup_in(p, ppq->depth);

   pp_filter_setup_out(p, ppq->inner_tmp[0]);

   pp_filter_set_fb(p);
   pp_filter_misc_state(p);
   cso_set_depth_stencil_alpha(p->cso, &mstencil);
   p->pipe->clear(p->pipe, PIPE_CLEAR_STENCIL | PIPE_CLEAR_COLOR0,
                  &p->clear_color, 0, 0);

   cso_single_sampler(p->cso, PIPE_SHADER_FRAGMENT, 0, &p->sampler_point);
   cso_single_sampler_done(p->cso, PIPE_SHADER_FRAGMENT);
   cso_set_sampler_views(p->cso, PIPE_SHADER_FRAGMENT, 1, &p->view);

   cso_set_vertex_shader_handle(p->cso, ppq->shaders[n][1]);    /* offsetvs */
   cso_set_fragment_shader_handle(p->cso, ppq->shaders[n][2]);

   pp_filter_draw(p);
   pp_filter_end_pass(p);


   /* Second pass: blend weights */
   /* Sampler order: areamap, edgesmap, edgesmapL (reversed, thx compiler) */
   mstencil.stencil[0].func = PIPE_FUNC_EQUAL;
   mstencil.stencil[0].zpass_op = PIPE_STENCIL_OP_KEEP;
   cso_set_depth_stencil_alpha(p->cso, &mstencil);

   pp_filter_setup_in(p, ppq->areamaptex);
   pp_filter_setup_out(p, ppq->inner_tmp[1]);

   u_sampler_view_default_template(&v_tmp, ppq->inner_tmp[0],
                                   ppq->inner_tmp[0]->format);
   arr[1] = arr[2] = p->pipe->create_sampler_view(p->pipe,
                                                  ppq->inner_tmp[0], &v_tmp);

   pp_filter_set_clear_fb(p);

   cso_single_sampler(p->cso, PIPE_SHADER_FRAGMENT, 0, &p->sampler_point);
   cso_single_sampler(p->cso, PIPE_SHADER_FRAGMENT, 1, &p->sampler_point);
   cso_single_sampler(p->cso, PIPE_SHADER_FRAGMENT, 2, &p->sampler);
   cso_single_sampler_done(p->cso, PIPE_SHADER_FRAGMENT);

   arr[0] = p->view;
   cso_set_sampler_views(p->cso, PIPE_SHADER_FRAGMENT, 3, arr);

   cso_set_vertex_shader_handle(p->cso, ppq->shaders[n][0]);    /* passvs */
   cso_set_fragment_shader_handle(p->cso, ppq->shaders[n][3]);

   pp_filter_draw(p);
   pp_filter_end_pass(p);
   pipe_sampler_view_reference(&arr[1], NULL);


   /* Third pass: smoothed edges */
   /* Sampler order: colormap, blendmap (wtf compiler) */
   pp_filter_setup_in(p, ppq->inner_tmp[1]);
   pp_filter_setup_out(p, out);

   pp_filter_set_fb(p);

   /* Blit the input to the output */
   pp_blit(p->pipe, in, 0, 0,
           w, h, 0, p->framebuffer.cbufs[0],
           0, 0, w, h);

   u_sampler_view_default_template(&v_tmp, in, in->format);
   arr[0] = p->pipe->create_sampler_view(p->pipe, in, &v_tmp);

   cso_single_sampler(p->cso, PIPE_SHADER_FRAGMENT, 0, &p->sampler_point);
   cso_single_sampler(p->cso, PIPE_SHADER_FRAGMENT, 1, &p->sampler_point);
   cso_single_sampler_done(p->cso, PIPE_SHADER_FRAGMENT);

   arr[1] = p->view;
   cso_set_sampler_views(p->cso, PIPE_SHADER_FRAGMENT, 2, arr);

   cso_set_vertex_shader_handle(p->cso, ppq->shaders[n][1]);    /* offsetvs */
   cso_set_fragment_shader_handle(p->cso, ppq->shaders[n][4]);

   p->blend.rt[0].blend_enable = 1;
   cso_set_blend(p->cso, &p->blend);

   pp_filter_draw(p);
   pp_filter_end_pass(p);
   pipe_sampler_view_reference(&arr[0], NULL);

   p->blend.rt[0].blend_enable = 0;
   p->framebuffer.zsbuf = NULL;
}
Example #2
0
/**
*	Main run function of the PP queue. Called on swapbuffers/flush.
*
*	Runs all requested filters in order and handles shuffling the temp
*	buffers in between.
*/
void
pp_run(struct pp_queue_t *ppq, struct pipe_resource *in,
       struct pipe_resource *out, struct pipe_resource *indepth)
{
   struct pipe_resource *refin = NULL, *refout = NULL;
   unsigned int i;
   struct cso_context *cso = ppq->p->cso;

   if (ppq->n_filters == 0)
      return;

   assert(ppq->pp_queue);
   assert(ppq->tmp[0]);

   if (in->width0 != ppq->p->framebuffer.width ||
       in->height0 != ppq->p->framebuffer.height) {
      pp_debug("Resizing the temp pp buffers\n");
      pp_free_fbos(ppq);
      pp_init_fbos(ppq, in->width0, in->height0);
   }

   if (in == out && ppq->n_filters == 1) {
      /* Make a copy of in to tmp[0] in this case. */
      unsigned int w = ppq->p->framebuffer.width;
      unsigned int h = ppq->p->framebuffer.height;


      pp_blit(ppq->p->pipe, in, 0, 0,
              w, h, 0, ppq->tmps[0],
              0, 0, w, h);

      in = ppq->tmp[0];
   }

   /* save state (restored below) */
   cso_save_state(cso, (CSO_BIT_BLEND |
                        CSO_BIT_DEPTH_STENCIL_ALPHA |
                        CSO_BIT_FRAGMENT_SHADER |
                        CSO_BIT_FRAMEBUFFER |
                        CSO_BIT_TESSCTRL_SHADER |
                        CSO_BIT_TESSEVAL_SHADER |
                        CSO_BIT_GEOMETRY_SHADER |
                        CSO_BIT_RASTERIZER |
                        CSO_BIT_SAMPLE_MASK |
                        CSO_BIT_MIN_SAMPLES |
                        CSO_BIT_FRAGMENT_SAMPLERS |
                        CSO_BIT_FRAGMENT_SAMPLER_VIEWS |
                        CSO_BIT_STENCIL_REF |
                        CSO_BIT_STREAM_OUTPUTS |
                        CSO_BIT_VERTEX_ELEMENTS |
                        CSO_BIT_VERTEX_SHADER |
                        CSO_BIT_VIEWPORT |
                        CSO_BIT_AUX_VERTEX_BUFFER_SLOT |
                        CSO_BIT_PAUSE_QUERIES |
                        CSO_BIT_RENDER_CONDITION));
   cso_save_constant_buffer_slot0(cso, PIPE_SHADER_VERTEX);
   cso_save_constant_buffer_slot0(cso, PIPE_SHADER_FRAGMENT);

   /* set default state */
   cso_set_sample_mask(cso, ~0);
   cso_set_min_samples(cso, 1);
   cso_set_stream_outputs(cso, 0, NULL, NULL);
   cso_set_tessctrl_shader_handle(cso, NULL);
   cso_set_tesseval_shader_handle(cso, NULL);
   cso_set_geometry_shader_handle(cso, NULL);
   cso_set_render_condition(cso, NULL, FALSE, 0);

   // Kept only for this frame.
   pipe_resource_reference(&ppq->depth, indepth);
   pipe_resource_reference(&refin, in);
   pipe_resource_reference(&refout, out);

   switch (ppq->n_filters) {
   case 0:
      /* Failsafe, but never reached. */
      break;
   case 1:                     /* No temp buf */
      ppq->pp_queue[0] (ppq, in, out, 0);
      break;
   case 2:                     /* One temp buf */

      ppq->pp_queue[0] (ppq, in, ppq->tmp[0], 0);
      ppq->pp_queue[1] (ppq, ppq->tmp[0], out, 1);

      break;
   default:                    /* Two temp bufs */
      assert(ppq->tmp[1]);
      ppq->pp_queue[0] (ppq, in, ppq->tmp[0], 0);

      for (i = 1; i < (ppq->n_filters - 1); i++) {
         if (i % 2 == 0)
            ppq->pp_queue[i] (ppq, ppq->tmp[1], ppq->tmp[0], i);

         else
            ppq->pp_queue[i] (ppq, ppq->tmp[0], ppq->tmp[1], i);
      }

      if (i % 2 == 0)
         ppq->pp_queue[i] (ppq, ppq->tmp[1], out, i);

      else
         ppq->pp_queue[i] (ppq, ppq->tmp[0], out, i);

      break;
   }

   /* restore state we changed */
   cso_restore_state(cso);
   cso_restore_constant_buffer_slot0(cso, PIPE_SHADER_VERTEX);
   cso_restore_constant_buffer_slot0(cso, PIPE_SHADER_FRAGMENT);

   pipe_resource_reference(&ppq->depth, NULL);
   pipe_resource_reference(&refin, NULL);
   pipe_resource_reference(&refout, NULL);
}