C++ (Cpp) st_new_renderbuffer_fb Examples

Example #1

File: st_manager.c Project: james026yeah/mesa

/**
 * Add a renderbuffer to the framebuffer.
 */
static boolean
st_framebuffer_add_renderbuffer(struct st_framebuffer *stfb,
                                gl_buffer_index idx)
{
   struct gl_renderbuffer *rb;
   enum pipe_format format;
   int samples;
   boolean sw;

   if (!stfb->iface)
      return FALSE;

   /* do not distinguish depth/stencil buffers */
   if (idx == BUFFER_STENCIL)
      idx = BUFFER_DEPTH;

   switch (idx) {
   case BUFFER_DEPTH:
      format = stfb->iface->visual->depth_stencil_format;
      sw = FALSE;
      break;
   case BUFFER_ACCUM:
      format = stfb->iface->visual->accum_format;
      sw = TRUE;
      break;
   default:
      format = stfb->iface->visual->color_format;
      sw = FALSE;
      break;
   }

   if (format == PIPE_FORMAT_NONE)
      return FALSE;

   samples = stfb->iface->visual->samples;
   if (!samples)
      samples = st_get_msaa();

   rb = st_new_renderbuffer_fb(format, samples, sw);
   if (!rb)
      return FALSE;

   if (idx != BUFFER_DEPTH) {
      _mesa_add_renderbuffer(&stfb->Base, idx, rb);
   }
   else {
      if (util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_ZS, 0))
         _mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, rb);
      if (util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_ZS, 1))
         _mesa_add_renderbuffer(&stfb->Base, BUFFER_STENCIL, rb);
   }

   return TRUE;
}

Example #2

File: vg_tracker.c Project: emcmanus/FlashMesa3D

struct st_framebuffer * st_create_framebuffer(const void *visual,
                                              enum pipe_format colorFormat,
                                              enum pipe_format depthFormat,
                                              enum pipe_format stencilFormat,
                                              uint width, uint height,
                                              void *privateData)
{
   struct st_framebuffer *stfb = CALLOC_STRUCT(st_framebuffer);
   if (stfb) {
      struct st_renderbuffer *rb =
         st_new_renderbuffer_fb(colorFormat);
      stfb->strb = rb;
#if 0
      if (doubleBuffer) {
         struct st_renderbuffer *rb =
            st_new_renderbuffer_fb(colorFormat);
      }
#endif

      /* we want to combine the depth/stencil */
      if (stencilFormat == depthFormat)
         stfb->dsrb = st_new_renderbuffer_fb(stencilFormat);
      else
         stfb->dsrb = st_new_renderbuffer_fb(PIPE_FORMAT_S8Z24_UNORM);

      /*### currently we always allocate it but it's possible it's
        not necessary if EGL_ALPHA_MASK_SIZE was 0
      */
      stfb->alpha_mask = 0;

      stfb->init_width = width;
      stfb->init_height = height;
      stfb->privateData = privateData;
   }

   return stfb;
}