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/**************************************************************************
*
* Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifndef INTEL_FBO_H
#define INTEL_FBO_H
struct intel_context;
struct intel_region;
/**
* Intel renderbuffer, derived from gl_renderbuffer.
* Note: The PairedDepth and PairedStencil fields use renderbuffer IDs,
* not pointers because in some circumstances a deleted renderbuffer could
* result in a dangling pointer here.
*/
struct intel_renderbuffer
{
struct gl_renderbuffer Base;
struct intel_region *region;
void *pfMap; /* possibly paged flipped map pointer */
GLuint pfPitch; /* possibly paged flipped pitch */
GLboolean RenderToTexture; /* RTT? */
GLuint PairedDepth; /**< only used if this is a depth renderbuffer */
GLuint PairedStencil; /**< only used if this is a stencil renderbuffer */
};
extern struct intel_renderbuffer *intel_create_renderbuffer(GLenum intFormat,
GLsizei width,
GLsizei height,
int offset,
int pitch,
int cpp,
void *map);
extern void intel_fbo_init(struct intel_context *intel);
/* XXX make inline or macro */
extern struct intel_renderbuffer *intel_get_renderbuffer(struct gl_framebuffer
*fb,
GLuint attIndex);
/* XXX make inline or macro */
extern struct intel_region *intel_get_rb_region(struct gl_framebuffer *fb,
GLuint attIndex);
#endif /* INTEL_FBO_H */
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