Exemplo n.º 1
0
static void svga_set_framebuffer_state(struct pipe_context *pipe,
				       const struct pipe_framebuffer_state *fb)
{
   struct svga_context *svga = svga_context(pipe);
   struct pipe_framebuffer_state *dst = &svga->curr.framebuffer;
   boolean propagate = FALSE;
   int i;

   dst->width = fb->width;
   dst->height = fb->height;
   dst->nr_cbufs = fb->nr_cbufs;

   /* check if we need to propaget any of the target surfaces */
   for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
      if (dst->cbufs[i] && dst->cbufs[i] != fb->cbufs[i])
         if (svga_surface_needs_propagation(dst->cbufs[i]))
            propagate = TRUE;
   }

   if (propagate) {
      /* make sure that drawing calls comes before propagation calls */
      svga_hwtnl_flush_retry( svga );
   
      for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)
         if (dst->cbufs[i] && dst->cbufs[i] != fb->cbufs[i])
            svga_propagate_surface(pipe, dst->cbufs[i]);
   }

   /* XXX: Actually the virtual hardware may support rendertargets with
    * different size, depending on the host API and driver, but since we cannot
    * know that make no such assumption here. */
   for(i = 0; i < fb->nr_cbufs; ++i) {
      if (fb->zsbuf && fb->cbufs[i]) {
         assert(fb->zsbuf->width == fb->cbufs[i]->width); 
         assert(fb->zsbuf->height == fb->cbufs[i]->height); 
      }
   }

   for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)
      pipe_surface_reference(&dst->cbufs[i], fb->cbufs[i]);
   pipe_surface_reference(&dst->zsbuf, fb->zsbuf);


   if (svga->curr.framebuffer.zsbuf)
   {
      switch (svga->curr.framebuffer.zsbuf->format) {
      case PIPE_FORMAT_Z16_UNORM:
         svga->curr.depthscale = 1.0f / DEPTH_BIAS_SCALE_FACTOR_D16;
         break;
      case PIPE_FORMAT_S8Z24_UNORM:
      case PIPE_FORMAT_X8Z24_UNORM:
      case PIPE_FORMAT_Z24S8_UNORM:
      case PIPE_FORMAT_Z24X8_UNORM:
         svga->curr.depthscale = 1.0f / DEPTH_BIAS_SCALE_FACTOR_D24S8;
         break;
      case PIPE_FORMAT_Z32_UNORM:
         svga->curr.depthscale = 1.0f / DEPTH_BIAS_SCALE_FACTOR_D32;
         break;
      case PIPE_FORMAT_Z32_FLOAT:
         svga->curr.depthscale = 1.0f / ((float)(1<<23));
         break;
      default:
         svga->curr.depthscale = 0.0f;
         break;
      }
   }
   else {
      svga->curr.depthscale = 0.0f;
   }

   svga->dirty |= SVGA_NEW_FRAME_BUFFER;
}
Exemplo n.º 2
0
static void svga_set_framebuffer_state(struct pipe_context *pipe,
				       const struct pipe_framebuffer_state *fb)
{
   struct svga_context *svga = svga_context(pipe);
   struct pipe_framebuffer_state *dst = &svga->curr.framebuffer;
   boolean propagate = FALSE;
   unsigned i;

   /* make sure any pending drawing calls are flushed before changing
    * the framebuffer state
    */
   svga_hwtnl_flush_retry(svga);

   dst->width = fb->width;
   dst->height = fb->height;
   dst->nr_cbufs = fb->nr_cbufs;

   /* check if we need to propagate any of the target surfaces */
   for (i = 0; i < dst->nr_cbufs; i++) {
      struct pipe_surface *s = i < fb->nr_cbufs ? fb->cbufs[i] : NULL;
      if (dst->cbufs[i] && dst->cbufs[i] != s) {
         if (svga_surface_needs_propagation(dst->cbufs[i])) {
            propagate = TRUE;
            break;
         }
      }
   }

   if (propagate) {
      for (i = 0; i < dst->nr_cbufs; i++) {
         struct pipe_surface *s = i < fb->nr_cbufs ? fb->cbufs[i] : NULL;
         if (dst->cbufs[i] && dst->cbufs[i] != s)
            svga_propagate_surface(svga, dst->cbufs[i]);
      }
   }

   /* Check that all surfaces are the same size.
    * Actually, the virtual hardware may support rendertargets with
    * different size, depending on the host API and driver,
    */
   {
      int width = 0, height = 0;
      if (fb->zsbuf) {
         width = fb->zsbuf->width;
         height = fb->zsbuf->height;
      }
      for (i = 0; i < fb->nr_cbufs; ++i) {
         if (fb->cbufs[i]) {
            if (width && height) {
               if (fb->cbufs[i]->width != width ||
                   fb->cbufs[i]->height != height) {
                  debug_warning("Mixed-size color and depth/stencil surfaces "
                                "may not work properly");
               }
            }
            else {
               width = fb->cbufs[i]->width;
               height = fb->cbufs[i]->height;
            }
         }
      }
   }

   util_copy_framebuffer_state(dst, fb);

   /* Set the rendered-to flags */
   for (i = 0; i < dst->nr_cbufs; i++) {
      struct pipe_surface *s = dst->cbufs[i];
      if (s) {
         struct svga_texture *t = svga_texture(s->texture);
         svga_set_texture_rendered_to(t, s->u.tex.first_layer, s->u.tex.level);
      }
   }

   if (svga->curr.framebuffer.zsbuf)
   {
      switch (svga->curr.framebuffer.zsbuf->format) {
      case PIPE_FORMAT_Z16_UNORM:
         svga->curr.depthscale = 1.0f / DEPTH_BIAS_SCALE_FACTOR_D16;
         break;
      case PIPE_FORMAT_Z24_UNORM_S8_UINT:
      case PIPE_FORMAT_Z24X8_UNORM:
      case PIPE_FORMAT_S8_UINT_Z24_UNORM:
      case PIPE_FORMAT_X8Z24_UNORM:
         svga->curr.depthscale = 1.0f / DEPTH_BIAS_SCALE_FACTOR_D24S8;
         break;
      case PIPE_FORMAT_Z32_UNORM:
         svga->curr.depthscale = 1.0f / DEPTH_BIAS_SCALE_FACTOR_D32;
         break;
      case PIPE_FORMAT_Z32_FLOAT:
         svga->curr.depthscale = 1.0f / ((float)(1<<23));
         break;
      default:
         svga->curr.depthscale = 0.0f;
         break;
      }

      /* Set rendered-to flag */
      {
         struct pipe_surface *s = dst->zsbuf;
         struct svga_texture *t = svga_texture(s->texture);
         svga_set_texture_rendered_to(t, s->u.tex.first_layer, s->u.tex.level);
      }
   }
   else {
      svga->curr.depthscale = 0.0f;
   }

   svga->dirty |= SVGA_NEW_FRAME_BUFFER;
}
Exemplo n.º 3
0
static void svga_set_framebuffer_state(struct pipe_context *pipe,
				       const struct pipe_framebuffer_state *fb)
{
   struct svga_context *svga = svga_context(pipe);
   struct pipe_framebuffer_state *dst = &svga->curr.framebuffer;
   boolean propagate = FALSE;
   unsigned i;

   dst->width = fb->width;
   dst->height = fb->height;
   dst->nr_cbufs = fb->nr_cbufs;

   /* check if we need to propagate any of the target surfaces */
   for (i = 0; i < dst->nr_cbufs; i++) {
      struct pipe_surface *s = i < fb->nr_cbufs ? fb->cbufs[i] : NULL;
      if (dst->cbufs[i] && dst->cbufs[i] != s) {
         if (svga_surface_needs_propagation(dst->cbufs[i])) {
            propagate = TRUE;
            break;
         }
      }
   }

   if (propagate) {
      /* make sure that drawing calls comes before propagation calls */
      svga_hwtnl_flush_retry( svga );
   
      for (i = 0; i < dst->nr_cbufs; i++) {
         struct pipe_surface *s = i < fb->nr_cbufs ? fb->cbufs[i] : NULL;
         if (dst->cbufs[i] && dst->cbufs[i] != s)
            svga_propagate_surface(svga, dst->cbufs[i]);
      }
   }

   /* XXX: Actually the virtual hardware may support rendertargets with
    * different size, depending on the host API and driver, but since we cannot
    * know that make no such assumption here. */
   for(i = 0; i < fb->nr_cbufs; ++i) {
      if (fb->zsbuf && fb->cbufs[i]) {
         assert(fb->zsbuf->width == fb->cbufs[i]->width); 
         assert(fb->zsbuf->height == fb->cbufs[i]->height); 
      }
   }

   util_copy_framebuffer_state(dst, fb);

   /* Set the rendered-to flags */
   for (i = 0; i < dst->nr_cbufs; i++) {
      struct pipe_surface *s = dst->cbufs[i];
      if (s) {
         struct svga_texture *t = svga_texture(s->texture);
         svga_set_texture_rendered_to(t, s->u.tex.first_layer, s->u.tex.level);
      }
   }

   if (svga->curr.framebuffer.zsbuf)
   {
      switch (svga->curr.framebuffer.zsbuf->format) {
      case PIPE_FORMAT_Z16_UNORM:
         svga->curr.depthscale = 1.0f / DEPTH_BIAS_SCALE_FACTOR_D16;
         break;
      case PIPE_FORMAT_Z24_UNORM_S8_UINT:
      case PIPE_FORMAT_Z24X8_UNORM:
      case PIPE_FORMAT_S8_UINT_Z24_UNORM:
      case PIPE_FORMAT_X8Z24_UNORM:
         svga->curr.depthscale = 1.0f / DEPTH_BIAS_SCALE_FACTOR_D24S8;
         break;
      case PIPE_FORMAT_Z32_UNORM:
         svga->curr.depthscale = 1.0f / DEPTH_BIAS_SCALE_FACTOR_D32;
         break;
      case PIPE_FORMAT_Z32_FLOAT:
         svga->curr.depthscale = 1.0f / ((float)(1<<23));
         break;
      default:
         svga->curr.depthscale = 0.0f;
         break;
      }

      /* Set rendered-to flag */
      {
         struct pipe_surface *s = dst->zsbuf;
         struct svga_texture *t = svga_texture(s->texture);
         svga_set_texture_rendered_to(t, s->u.tex.first_layer, s->u.tex.level);
      }
   }
   else {
      svga->curr.depthscale = 0.0f;
   }

   svga->dirty |= SVGA_NEW_FRAME_BUFFER;
}