b540dcb75a
This adds two new internal functions to create a foreign texture for the texture 2d and rectangle backends. cogl_texture_new_from_foreign will now use one of these backends directly if there is no waste instead of always using the sliced texture backend.
91 lines
2.7 KiB
C
91 lines
2.7 KiB
C
/*
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* Cogl
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*
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* An object oriented GL/GLES Abstraction/Utility Layer
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*
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* Copyright (C) 2009 Intel Corporation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*
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*/
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#ifndef __COGL_TEXTURE_2D_H
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#define __COGL_TEXTURE_2D_H
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#include "cogl-handle.h"
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#include "cogl-material-private.h"
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#include "cogl-texture-private.h"
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#define COGL_TEXTURE_2D(tex) ((CoglTexture2D *) tex)
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typedef struct _CoglTexture2D CoglTexture2D;
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struct _CoglTexture2D
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{
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CoglTexture _parent;
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/* The internal format of the GL texture represented as a
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CoglPixelFormat */
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CoglPixelFormat format;
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/* The internal format of the GL texture represented as a GL enum */
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GLenum gl_format;
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/* The texture object number */
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GLuint gl_texture;
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int width;
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int height;
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GLenum min_filter;
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GLenum mag_filter;
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GLint wrap_mode_s;
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GLint wrap_mode_t;
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gboolean auto_mipmap;
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gboolean mipmaps_dirty;
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gboolean is_foreign;
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CoglTexturePixel first_pixel;
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};
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GQuark
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_cogl_handle_texture_2d_get_type (void);
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CoglHandle
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_cogl_texture_2d_new_with_size (unsigned int width,
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unsigned int height,
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CoglTextureFlags flags,
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CoglPixelFormat internal_format);
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CoglHandle
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_cogl_texture_2d_new_from_bitmap (CoglBitmap *bmp,
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CoglTextureFlags flags,
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CoglPixelFormat internal_format);
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CoglHandle
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_cogl_texture_2d_new_from_foreign (GLuint gl_handle,
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GLuint width,
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GLuint height,
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CoglPixelFormat format);
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/*
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* _cogl_texture_2d_externally_modified:
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* @handle: A handle to a 2D texture
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*
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* This should be called whenever the texture is modified other than
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* by using cogl_texture_set_region. It will cause the mipmaps to be
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* invalidated
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*/
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void
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_cogl_texture_2d_externally_modified (CoglHandle handle);
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#endif /* __COGL_TEXTURE_2D_H */
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