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/**************************************************************************
*
* Copyright 2007 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.
*
**************************************************************************/
/* Authors: Keith Whitwell <keith@tungstengraphics.com>
*/
#ifndef G_SURFACE_H
#define G_SURFACE_H
#include "glheader.h"
#include "g_headers.h"
struct generic_surface;
#define G_SURFACE_RGBA_8888 0x1
/* Internal structs and helpers for the primitive clip/setup pipeline:
*/
struct generic_surface_type {
GLuint format;
void (*read_quad_f)( struct generic_surface *,
GLint x, GLint y,
GLfloat (*rgba)[NUM_CHANNELS] );
void (*read_quad_f_swz)( struct generic_surface *,
GLint x, GLint y,
GLfloat (*rrrr)[QUAD_SIZE] );
void (*read_quad_ub)( struct generic_surface *,
GLint x, GLint y,
GLubyte (*rgba)[NUM_CHANNELS] );
void (*write_quad_f)( struct generic_surface *,
GLint x, GLint y,
GLfloat (*rgba)[NUM_CHANNELS] );
void (*write_quad_f_swz)( struct generic_surface *,
GLint x, GLint y,
GLfloat (*rrrr)[QUAD_SIZE] );
void (*write_quad_ub)( struct generic_surface *,
GLint x, GLint y,
GLubyte (*rgba)[NUM_CHANNELS] );
};
struct generic_surface {
struct generic_surface_type *type;
struct softpipe_surface surface;
};
static INLINE void gs_read_quad_f( struct generic_surface *gs,
GLint x, GLint y,
GLfloat (*rgba)[NUM_CHANNELS] )
{
gs->type->read_quad_f(gs, x, y, rgba);
}
static INLINE void gs_read_quad_f_swz( struct generic_surface *gs,
GLint x, GLint y,
GLfloat (*rrrr)[QUAD_SIZE] )
{
gs->type->read_quad_f_swz(gs, x, y, rrrr);
}
static INLINE void gs_write_quad_f( struct generic_surface *gs,
GLint x, GLint y,
GLfloat (*rgba)[NUM_CHANNELS] )
{
gs->type->write_quad_f(gs, x, y, rgba);
}
static INLINE void gs_write_quad_f_swz( struct generic_surface *gs,
GLint x, GLint y,
GLfloat (*rrrr)[QUAD_SIZE] )
{
gs->type->write_quad_f_swz(gs, x, y, rrrr);
}
/* Like this, or hidden?
*/
struct generic_surface_type gs_rgba8;
#endif
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