Ejemplos de gen_rect_verts en C++ (Cpp)

Ejemplo n.º 1

Archivo: vl_compositor.c Proyecto: venkatarajasekhar/Qt

static void
gen_vertex_data(struct vl_compositor *c, struct vl_compositor_state *s, struct u_rect *dirty)
{
   struct vertex2f *vb;
   struct pipe_transfer *buf_transfer;
   unsigned i;

   assert(c);

   vb = pipe_buffer_map(c->pipe, c->vertex_buf.buffer,
                        PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD_RANGE | PIPE_TRANSFER_DONTBLOCK,
                        &buf_transfer);

   if (!vb) {
      // If buffer is still locked from last draw create a new one
      create_vertex_buffer(c);
      vb = pipe_buffer_map(c->pipe, c->vertex_buf.buffer,
                           PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD_RANGE,
                           &buf_transfer);
   }

   for (i = 0; i < VL_COMPOSITOR_MAX_LAYERS; i++) {
      if (s->used_layers & (1 << i)) {
         struct vl_compositor_layer *layer = &s->layers[i];
         gen_rect_verts(vb, layer);
         vb += 20;

         if (!layer->viewport_valid) {
            layer->viewport.scale[0] = c->fb_state.width;
            layer->viewport.scale[1] = c->fb_state.height;
            layer->viewport.translate[0] = 0;
            layer->viewport.translate[1] = 0;
         }

         if (dirty && layer->clearing) {
            struct u_rect drawn = calc_drawn_area(s, layer);
            if (
             dirty->x0 >= drawn.x0 &&
             dirty->y0 >= drawn.y0 &&
             dirty->x1 <= drawn.x1 &&
             dirty->y1 <= drawn.y1) {

               // We clear the dirty area anyway, no need for clear_render_target
               dirty->x0 = dirty->y0 = MAX_DIRTY;
               dirty->x1 = dirty->y1 = MIN_DIRTY;
            }
         }
      }
   }

   pipe_buffer_unmap(c->pipe, buf_transfer);
}

Ejemplo n.º 2

Archivo: vl_compositor.c Proyecto: Haifen/Mesa-3D

static void
gen_vertex_data(struct vl_compositor *c, struct vl_compositor_state *s, struct u_rect *dirty)
{
   struct vertex2f *vb;
   unsigned i;

   assert(c);

   /* Allocate new memory for vertices. */
   u_upload_alloc(c->upload, 0,
                  c->vertex_buf.stride * VL_COMPOSITOR_MAX_LAYERS * 4, /* size */
                  &c->vertex_buf.buffer_offset, &c->vertex_buf.buffer,
                  (void**)&vb);

   for (i = 0; i < VL_COMPOSITOR_MAX_LAYERS; i++) {
      if (s->used_layers & (1 << i)) {
         struct vl_compositor_layer *layer = &s->layers[i];
         gen_rect_verts(vb, layer);
         vb += 20;

         if (!layer->viewport_valid) {
            layer->viewport.scale[0] = c->fb_state.width;
            layer->viewport.scale[1] = c->fb_state.height;
            layer->viewport.translate[0] = 0;
            layer->viewport.translate[1] = 0;
         }

         if (dirty && layer->clearing) {
            struct u_rect drawn = calc_drawn_area(s, layer);
            if (
             dirty->x0 >= drawn.x0 &&
             dirty->y0 >= drawn.y0 &&
             dirty->x1 <= drawn.x1 &&
             dirty->y1 <= drawn.y1) {

               // We clear the dirty area anyway, no need for clear_render_target
               dirty->x0 = dirty->y0 = MAX_DIRTY;
               dirty->x1 = dirty->y1 = MIN_DIRTY;
            }
         }
      }
   }

   u_upload_unmap(c->upload);
}