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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_PRIVATE_H
#define __COGL_TEXTURE_2D_PRIVATE_H
#include "cogl-object-private.h"
#include "cogl-pipeline-private.h"
#include "cogl-texture-private.h"
#include "cogl-texture-2d.h"
#ifdef COGL_HAS_EGL_SUPPORT
#include "cogl-egl-defines.h"
#endif
struct _CoglTexture2D
{
CoglTexture _parent;
/* The internal format of the GL texture represented as a
CoglPixelFormat */
CoglPixelFormat internal_format;
CoglBool auto_mipmap;
CoglBool mipmaps_dirty;
CoglBool is_foreign;
/* TODO: factor out these OpenGL specific members into some form
* of driver private state. */
/* The internal format of the GL texture represented as a GL enum */
GLenum gl_internal_format;
/* The texture object number */
GLuint gl_texture;
GLenum gl_legacy_texobj_min_filter;
GLenum gl_legacy_texobj_mag_filter;
GLint gl_legacy_texobj_wrap_mode_s;
GLint gl_legacy_texobj_wrap_mode_t;
CoglTexturePixel first_pixel;
};
#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,
CoglError **error);
#endif
CoglTexture2D *
_cogl_texture_2d_create_base (CoglContext *ctx,
int width,
int height,
CoglPixelFormat internal_format,
CoglTextureLoader *loader);
void
_cogl_texture_2d_set_auto_mipmap (CoglTexture *tex,
CoglBool value);
/*
* _cogl_texture_2d_externally_modified:
* @texture: A #CoglTexture2D object
*
* 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 (CoglTexture *texture);
/*
* _cogl_texture_2d_copy_from_framebuffer:
* @texture: A #CoglTexture2D pointer
* @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
* @src_fb: A source #CoglFramebuffer to copy from
* @dst_x: X-position to store the image within the texture
* @dst_y: Y-position to store the image within the texture
* @level: The mipmap level of @texture to copy too
*
* This copies a portion of the given @src_fb into the
* texture.
*/
void
_cogl_texture_2d_copy_from_framebuffer (CoglTexture2D *texture,
int src_x,
int src_y,
int width,
int height,
CoglFramebuffer *src_fb,
int dst_x,
int dst_y,
int level);
#endif /* __COGL_TEXTURE_2D_PRIVATE_H */
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