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/*
* Mesa 3-D graphics library
*
* Copyright (C) 2012-2013 LunarG, Inc.
*
* 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, sublicense,
* 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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:
* Chia-I Wu <olv@lunarg.com>
*/
#ifndef ILO_RESOURCE_H
#define ILO_RESOURCE_H
#include "intel_winsys.h"
#include "ilo_common.h"
struct ilo_screen;
struct winsys_handle;
/*
* TODO we should have
*
* ilo_resource, inherited by
* - ilo_buffer
* - ilo_texture
* - ilo_global_binding
*/
struct ilo_texture {
struct pipe_resource base;
struct winsys_handle *handle;
enum pipe_format bo_format;
struct intel_bo *bo;
/*
* These are the values passed to or returned from winsys for bo
* allocation. As such,
*
* - width and height are in blocks,
* - cpp is the block size in bytes, and
* - stride is the distance in bytes between two block rows.
*/
int bo_width, bo_height, bo_cpp, bo_stride;
enum intel_tiling_mode tiling;
bool compressed;
unsigned block_width;
unsigned block_height;
/* true if the mip level alignments are stricter */
bool halign_8, valign_4;
/* true if space is reserved between layers */
bool array_spacing_full;
/* true if samples are interleaved */
bool interleaved;
/* 2D offsets into a layer/slice/face */
struct {
unsigned x;
unsigned y;
} *slice_offsets[PIPE_MAX_TEXTURE_LEVELS];
};
static inline struct ilo_texture *
ilo_texture(struct pipe_resource *res)
{
return (struct ilo_texture *) res;
}
void
ilo_init_resource_functions(struct ilo_screen *is);
bool
ilo_texture_alloc_bo(struct ilo_texture *tex);
unsigned
ilo_texture_get_slice_offset(const struct ilo_texture *tex,
int level, int slice, bool tile_aligned,
unsigned *x_offset, unsigned *y_offset);
#endif /* ILO_RESOURCE_H */
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