C++ (Cpp) _cogl_texture_2d_can_create Examples

Example #1

File: cogl-texture-2d.c Project: djdeath/cogl-android

CoglTexture2D *
cogl_texture_2d_new_from_bitmap (CoglBitmap *bmp,
                                 CoglPixelFormat internal_format,
                                 CoglError **error)
{
  CoglContext *ctx;

  _COGL_RETURN_VAL_IF_FAIL (bmp != NULL, NULL);

  ctx = _cogl_bitmap_get_context (bmp);

  internal_format =
    _cogl_texture_determine_internal_format (cogl_bitmap_get_format (bmp),
                                             internal_format);

  if (!_cogl_texture_2d_can_create (ctx,
                                    cogl_bitmap_get_width (bmp),
                                    cogl_bitmap_get_height (bmp),
                                    internal_format))
    {
      _cogl_set_error (error, COGL_TEXTURE_ERROR,
                       COGL_TEXTURE_ERROR_SIZE,
                       "Failed to create texture 2d due to size/format"
                       " constraints");
      return NULL;
    }

  return ctx->driver_vtable->texture_2d_new_from_bitmap (bmp,
                                                         internal_format,
                                                         error);
}

Example #2

File: cogl-texture-2d.c Project: gramozeka/GSB-NEW

CoglHandle
_cogl_texture_2d_new_from_bitmap (CoglHandle       bmp_handle,
                                  CoglTextureFlags flags,
                                  CoglPixelFormat  internal_format)
{
  CoglTexture2D *tex_2d;
  CoglBitmap    *bmp = (CoglBitmap *)bmp_handle;
  CoglBitmap     dst_bmp;
  gboolean       dst_bmp_owner;
  GLenum         gl_intformat;
  GLenum         gl_format;
  GLenum         gl_type;

  g_return_val_if_fail (bmp_handle != COGL_INVALID_HANDLE, COGL_INVALID_HANDLE);

  internal_format = _cogl_texture_determine_internal_format (bmp->format,
                                                             internal_format);

  if (!_cogl_texture_2d_can_create (bmp->width, bmp->height, internal_format))
    return COGL_INVALID_HANDLE;

  if (!_cogl_texture_prepare_for_upload (bmp,
                                         internal_format,
                                         &internal_format,
                                         &dst_bmp,
                                         &dst_bmp_owner,
                                         &gl_intformat,
                                         &gl_format,
                                         &gl_type))
    return COGL_INVALID_HANDLE;

  tex_2d = _cogl_texture_2d_create_base (bmp->width,
                                         bmp->height,
                                         flags,
                                         internal_format);

  _cogl_texture_driver_gen (GL_TEXTURE_2D, 1, &tex_2d->gl_texture);
  _cogl_texture_driver_upload_to_gl (GL_TEXTURE_2D,
                                     tex_2d->gl_texture,
                                     &dst_bmp,
                                     gl_intformat,
                                     gl_format,
                                     gl_type);

  tex_2d->gl_format = gl_intformat;

  if (dst_bmp_owner)
    g_free (dst_bmp.data);

  return _cogl_texture_2d_handle_new (tex_2d);
}