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This adds an internal rectangle texture backend which is mostly based on the CoglTexture2D backend. It will throw assert failures if any operations are attempted that rectangle textures don't support, such as mipmapping or hardware repeating.
69 lines
2.1 KiB
C
69 lines
2.1 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_RECTANGLE_H
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#define __COGL_TEXTURE_RECTANGLE_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_RECTANGLE(tex) ((CoglTextureRectangle *) tex)
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typedef struct _CoglTextureRectangle CoglTextureRectangle;
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struct _CoglTextureRectangle
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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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};
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GQuark
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_cogl_handle_texture_rectangle_get_type (void);
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CoglHandle
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_cogl_texture_rectangle_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_rectangle_new_from_bitmap (CoglHandle bmp_handle,
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CoglTextureFlags flags,
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CoglPixelFormat internal_format);
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#endif /* __COGL_TEXTURE_RECTANGLE_H */
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