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/**************************************************************************
*
* Copyright 2008 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 BRW_RESOURCE_H
#define BRW_RESOURCE_H
struct brw_screen;
#include "util/u_transfer.h"
#include "util/u_debug.h"
#include "brw_screen.h" /* for brw_surface */
struct brw_context;
struct brw_screen;
struct brw_buffer {
struct u_resource b;
/* One of either bo or user_buffer will be non-null, depending on
* whether this is a hardware or user buffer.
*/
struct brw_winsys_buffer *bo;
void *user_buffer;
/* Mapped pointer??
*/
void *ptr;
};
#define BRW_MAX_TEXTURE_2D_LEVELS 11 /* max 1024x1024 */
#define BRW_MAX_TEXTURE_3D_LEVELS 8 /* max 128x128x128 */
struct brw_texture {
struct u_resource b;
struct brw_winsys_buffer *bo;
struct brw_surface_state ss;
unsigned *image_offset[BRW_MAX_TEXTURE_2D_LEVELS];
unsigned nr_images[BRW_MAX_TEXTURE_2D_LEVELS];
unsigned level_offset[BRW_MAX_TEXTURE_2D_LEVELS];
boolean compressed;
unsigned brw_target;
unsigned pitch;
unsigned tiling;
unsigned cpp;
unsigned total_height;
struct brw_surface views[2];
};
void brw_init_screen_resource_functions(struct brw_screen *is);
void brw_init_resource_functions(struct brw_context *brw );
extern struct u_resource_vtbl brw_buffer_vtbl;
extern struct u_resource_vtbl brw_texture_vtbl;
static INLINE struct brw_texture *brw_texture( struct pipe_resource *resource )
{
struct brw_texture *tex = (struct brw_texture *)resource;
assert(tex->b.vtbl == &brw_texture_vtbl);
return tex;
}
static INLINE struct brw_buffer *brw_buffer( struct pipe_resource *resource )
{
struct brw_buffer *tex = (struct brw_buffer *)resource;
assert(tex->b.vtbl == &brw_buffer_vtbl);
return tex;
}
struct pipe_resource *
brw_texture_create(struct pipe_screen *screen,
const struct pipe_resource *template);
struct pipe_resource *
brw_texture_from_handle(struct pipe_screen * screen,
const struct pipe_resource *template,
struct winsys_handle *whandle);
struct pipe_resource *
brw_user_buffer_create(struct pipe_screen *screen,
void *ptr,
unsigned bytes,
unsigned usage);
struct pipe_resource *
brw_buffer_create(struct pipe_screen *screen,
const struct pipe_resource *template);
/*
boolean
brw_is_format_supported( struct pipe_screen *screen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned tex_usage,
unsigned geom_flags );
*/
/* Pipe buffer helpers
*/
static INLINE boolean
brw_buffer_is_user_buffer( const struct pipe_resource *buf )
{
return ((const struct brw_buffer *)buf)->user_buffer != NULL;
}
/***********************************************************************
* Internal functions
*/
GLboolean brw_texture_layout(struct brw_screen *brw_screen,
struct brw_texture *tex );
void brw_update_texture( struct brw_screen *brw_screen,
struct brw_texture *tex );
#endif /* BRW_RESOURCE_H */
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