C++ (Cpp) cogl_is_texture_2d Examples

Example #1

File: cogl-blit.c Project: collects/cogl

static gboolean
_cogl_blit_copy_tex_sub_image_begin (CoglBlitData *data)
{
  CoglHandle fbo;

  _COGL_GET_CONTEXT (ctx, FALSE);

  /* This will only work if the target texture is a CoglTexture2D */
  if (!cogl_is_texture_2d (data->dst_tex))
    return FALSE;

  fbo = _cogl_offscreen_new_to_texture_full
    (data->src_tex, COGL_OFFSCREEN_DISABLE_DEPTH_AND_STENCIL, 0 /* level */);

  if (fbo == COGL_INVALID_HANDLE)
    return FALSE;

  if (!cogl_framebuffer_allocate (fbo, NULL))
    {
      cogl_handle_unref (fbo);
      return FALSE;
    }

  cogl_push_framebuffer (fbo);
  cogl_handle_unref (fbo);

  return TRUE;
}

Example #2

File: cogl-texture-2d.c Project: rib/cogl

void
_cogl_texture_2d_externally_modified (CoglTexture *texture)
{
    if (!cogl_is_texture_2d (texture))
        return;

    COGL_TEXTURE_2D (texture)->mipmaps_dirty = TRUE;
}

Example #3

File: cogl-sub-texture.c Project: rib/cogl

static void
_cogl_sub_texture_foreach_sub_texture_in_region (
                                       CoglTexture *tex,
                                       float virtual_tx_1,
                                       float virtual_ty_1,
                                       float virtual_tx_2,
                                       float virtual_ty_2,
                                       CoglMetaTextureCallback callback,
                                       void *user_data)
{
  CoglSubTexture *sub_tex = COGL_SUB_TEXTURE (tex);
  CoglTexture *full_texture = sub_tex->full_texture;
  float mapped_coords[4] =
    { virtual_tx_1, virtual_ty_1, virtual_tx_2, virtual_ty_2};
  float virtual_coords[4] =
    { virtual_tx_1, virtual_ty_1, virtual_tx_2, virtual_ty_2};

  /* map the virtual coordinates to ->full_texture coordinates */
  _cogl_sub_texture_map_quad (sub_tex, mapped_coords);

  /* TODO: Add something like cogl_is_low_level_texture() */
  if (cogl_is_texture_2d (full_texture) ||
      cogl_is_texture_rectangle (full_texture))
    {
      callback (sub_tex->full_texture,
                mapped_coords,
                virtual_coords,
                user_data);
    }
  else
    {
      CoglSubTextureForeachData data;

      data.sub_tex = sub_tex;
      data.callback = callback;
      data.user_data = user_data;

      cogl_meta_texture_foreach_in_region (COGL_META_TEXTURE (full_texture),
                                           mapped_coords[0],
                                           mapped_coords[1],
                                           mapped_coords[2],
                                           mapped_coords[3],
                                           COGL_PIPELINE_WRAP_MODE_REPEAT,
                                           COGL_PIPELINE_WRAP_MODE_REPEAT,
                                           unmap_coords_cb,
                                           &data);
    }
}