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/**************************************************************************
*
* Copyright 2010 Christian König
* 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 vl_idct_h
#define vl_idct_h
#include <pipe/p_state.h>
#include "vl_vertex_buffers.h"
struct vl_idct
{
struct pipe_context *pipe;
unsigned max_blocks;
struct pipe_viewport_state viewport[2];
struct pipe_framebuffer_state fb_state[2];
struct pipe_resource *destination;
void *rs_state;
void *vertex_elems_state;
union
{
void *all[4];
void *stage[2][2];
struct {
void *matrix, *source;
void *transpose, *intermediate;
} individual;
} samplers;
union
{
struct pipe_sampler_view *all[4];
struct pipe_sampler_view *stage[2][2];
struct {
struct pipe_sampler_view *matrix, *source;
struct pipe_sampler_view *transpose, *intermediate;
} individual;
} sampler_views;
void *matrix_vs, *transpose_vs, *eb_vs;
void *matrix_fs, *transpose_fs, *eb_fs;
union
{
struct pipe_resource *all[4];
struct pipe_resource *stage[2][2];
struct {
struct pipe_resource *matrix, *source;
struct pipe_resource *transpose, *intermediate;
} individual;
} textures;
union
{
struct pipe_vertex_buffer all[2];
struct { struct pipe_vertex_buffer quad, pos; } individual;
} vertex_bufs;
struct vl_vertex_buffer blocks;
struct pipe_transfer *tex_transfer;
short *texels;
};
struct pipe_resource *vl_idct_upload_matrix(struct pipe_context *pipe);
bool vl_idct_init(struct vl_idct *idct, struct pipe_context *pipe, struct pipe_resource *dst, struct pipe_resource *matrix);
void vl_idct_cleanup(struct vl_idct *idct);
void vl_idct_add_block(struct vl_idct *idct, unsigned x, unsigned y, short *block);
void vl_idct_flush(struct vl_idct *idct);
#endif
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