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/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2009 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/>.
*
*
*/
#ifndef __COGL_TEXTURE_2D_H
#define __COGL_TEXTURE_2D_H
#include "cogl-handle.h"
#include "cogl-pipeline-private.h"
#include "cogl-texture-private.h"
#include "cogl-texture-2d.h"
struct _CoglTexture2D
{
CoglTexture _parent;
/* The internal format of the GL texture represented as a
CoglPixelFormat */
CoglPixelFormat format;
/* The internal format of the GL texture represented as a GL enum */
GLenum gl_format;
/* The texture object number */
GLuint gl_texture;
int width;
int height;
GLenum min_filter;
GLenum mag_filter;
GLint wrap_mode_s;
GLint wrap_mode_t;
gboolean auto_mipmap;
gboolean mipmaps_dirty;
gboolean is_foreign;
CoglTexturePixel first_pixel;
};
CoglHandle
_cogl_texture_2d_new_from_bitmap (CoglBitmap *bmp,
CoglTextureFlags flags,
CoglPixelFormat internal_format,
GError **error);
#if defined (COGL_HAS_EGL_SUPPORT) && defined (EGL_KHR_image_base)
/* NB: The reason we require the width, height and format to be passed
* even though they may seem redundant is because GLES 1/2 don't
* provide a way to query these properties. */
CoglTexture2D *
_cogl_egl_texture_2d_new_from_image (CoglContext *ctx,
int width,
int height,
CoglPixelFormat format,
EGLImageKHR image,
GError **error);
#endif
/*
* _cogl_texture_2d_externally_modified:
* @handle: A handle to a 2D texture
*
* This should be called whenever the texture is modified other than
* by using cogl_texture_set_region. It will cause the mipmaps to be
* invalidated
*/
void
_cogl_texture_2d_externally_modified (CoglHandle handle);
/*
* _cogl_texture_2d_copy_from_framebuffer:
* @handle: A handle to a 2D texture
* @dst_x: X-position to store the image within the texture
* @dst_y: Y-position to store the image within the texture
* @src_x: X-position to within the framebuffer to read from
* @src_y: Y-position to within the framebuffer to read from
* @width: width of the rectangle to copy
* @height: height of the rectangle to copy
*
* This copies a portion of the current read framebuffer into the
* texture.
*/
void
_cogl_texture_2d_copy_from_framebuffer (CoglHandle handle,
int dst_x,
int dst_y,
int src_x,
int src_y,
int width,
int height);
#endif /* __COGL_TEXTURE_2D_H */
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