mutter/cogl/driver/nop/cogl-texture-2d-nop.c

/*
 * Cogl
 *
 * An object oriented GL/GLES Abstraction/Utility Layer
 *
 * Copyright (C) 2009,2010,2011,2012 Intel Corporation.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
 *
 *
 *
 * Authors:
 *  Neil Roberts   <neil@linux.intel.com>
 *  Robert Bragg   <robert@linux.intel.com>
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <string.h>

#include "cogl-private.h"
#include "cogl-texture-2d-nop-private.h"
#include "cogl-texture-2d-private.h"
#include "cogl-error-private.h"

void
_cogl_texture_2d_nop_free (CoglTexture2D *tex_2d)
{
}

CoglBool
_cogl_texture_2d_nop_can_create (CoglContext *ctx,
                                 int width,
                                 int height,
                                 CoglPixelFormat internal_format)
{
  return TRUE;
}

void
_cogl_texture_2d_nop_init (CoglTexture2D *tex_2d)
{
}

CoglTexture2D *
_cogl_texture_2d_nop_new_with_size (CoglContext *ctx,
                                    int width,
                                    int height,
                                    CoglPixelFormat internal_format,
                                    CoglError **error)
{
  return _cogl_texture_2d_create_base (ctx,
                                       width, height,
                                       internal_format);
}

CoglTexture2D *
_cogl_texture_2d_nop_new_from_bitmap (CoglBitmap *bmp,
                                      CoglPixelFormat internal_format,
                                      CoglError **error)
{
  return _cogl_texture_2d_nop_new_with_size (_cogl_bitmap_get_context (bmp),
                                             cogl_bitmap_get_width (bmp),
                                             cogl_bitmap_get_height (bmp),
                                             internal_format,
                                             error);
}

#if defined (COGL_HAS_EGL_SUPPORT) && defined (EGL_KHR_image_base)
CoglTexture2D *
_cogl_egl_texture_2d_nop_new_from_image (CoglContext *ctx,
                                         int width,
                                         int height,
                                         CoglPixelFormat format,
                                         EGLImageKHR image,
                                         CoglError **error)
{
  _cogl_set_error (error,
                   COGL_SYSTEM_ERROR,
                   COGL_SYSTEM_ERROR_UNSUPPORTED,
                   "Creating 2D textures from an EGLImage isn't "
                   "supported by the NOP backend");
  return NULL;
}
#endif

void
_cogl_texture_2d_nop_flush_legacy_texobj_filters (CoglTexture *tex,
                                                  GLenum min_filter,
                                                  GLenum mag_filter)
{
}

void
_cogl_texture_2d_nop_flush_legacy_texobj_wrap_modes (CoglTexture *tex,
                                                     GLenum wrap_mode_s,
                                                     GLenum wrap_mode_t,
                                                     GLenum wrap_mode_p)
{
}

void
_cogl_texture_2d_nop_copy_from_framebuffer (CoglTexture2D *tex_2d,
                                            int src_x,
                                            int src_y,
                                            int width,
                                            int height,
                                            CoglFramebuffer *src_fb,
                                            int dst_x,
                                            int dst_y,
                                            int level)
{
}

unsigned int
_cogl_texture_2d_nop_get_gl_handle (CoglTexture2D *tex_2d)
{
  return 0;
}

void
_cogl_texture_2d_nop_generate_mipmap (CoglTexture2D *tex_2d)
{
}

CoglBool
_cogl_texture_2d_nop_copy_from_bitmap (CoglTexture2D *tex_2d,
                                       int src_x,
                                       int src_y,
                                       int width,
                                       int height,
                                       CoglBitmap *bitmap,
                                       int dst_x,
                                       int dst_y,
                                       int level,
                                       CoglError **error)
{
  return TRUE;
}

void
_cogl_texture_2d_nop_get_data (CoglTexture2D *tex_2d,
                               CoglPixelFormat format,
                               size_t rowstride,
                               uint8_t *data)
{
}