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This interface represents any textures that are backed by a single texture in GL and that can be used directly with the cogl_framebuffer_draw_attributes family of functions. This currently equates to CoglTexture2D, CoglTexture3D and CoglTextureRectangle. The interface currently has only one method called cogl_primitive_set_auto_mipmap. This replaces the COGL_TEXTURE_NO_AUTO_MIPMAP flag from the CoglTextureFlags parameter in the constructors. None of the other flags in CoglTextureFlags make sense for primitive textures so it doesn't seem like a good idea to need them for primitive constructors. There is a boolean in the vtable to mark whether a texture type is primitive which the new cogl_is_primitive function uses. There is also a new texture virtual called set_auto_mipmap which is only required to be implemented for primitive textures. Reviewed-by: Robert Bragg <robert@linux.intel.com>
55 lines
1.5 KiB
C
55 lines
1.5 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) 2012 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
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* <http://www.gnu.org/licenses/>.
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*
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*
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* Authors:
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* Neil Roberts <neil@linux.intel.com>
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "cogl-primitive-texture.h"
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#include "cogl-texture-private.h"
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gboolean
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cogl_is_primitive_texture (void *object)
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{
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return (cogl_is_texture (object) &&
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COGL_TEXTURE (object)->vtable->is_primitive);
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}
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void
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cogl_primitive_texture_set_auto_mipmap (CoglPrimitiveTexture *primitive_texture,
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gboolean value)
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{
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CoglTexture *texture;
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_COGL_RETURN_IF_FAIL (cogl_is_primitive_texture (primitive_texture));
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texture = COGL_TEXTURE (primitive_texture);
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g_assert (texture->vtable->set_auto_mipmap != NULL);
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texture->vtable->set_auto_mipmap (texture, value);
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}
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