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/*
* Copyright 2011 Joakim Sindholt <opensource@zhasha.com>
*
* 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
* on 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
* THE AUTHOR(S) AND/OR THEIR 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 _NINE_PIXELSHADER9_H_
#define _NINE_PIXELSHADER9_H_
#include "iunknown.h"
#include "nine_shader.h"
#include "nine_state.h"
#include "basetexture9.h"
struct nine_lconstf;
struct NinePixelShader9
{
struct NineUnknown base;
struct nine_shader_variant variant;
struct {
const DWORD *tokens;
DWORD size;
uint8_t version; /* (major << 4) | minor */
} byte_code;
unsigned const_used_size; /* in bytes */
uint8_t bumpenvmat_needed;
uint16_t sampler_mask;
uint8_t rt_mask;
uint64_t ff_key[6];
void *ff_cso;
uint32_t last_key;
void *last_cso;
uint32_t next_key;
};
static inline struct NinePixelShader9 *
NinePixelShader9( void *data )
{
return (struct NinePixelShader9 *)data;
}
static inline BOOL
NinePixelShader9_UpdateKey( struct NinePixelShader9 *ps,
struct nine_state *state )
{
uint16_t samplers_shadow;
uint32_t samplers_ps1_types;
uint32_t key;
BOOL res;
if (unlikely(ps->byte_code.version < 0x20)) {
/* no depth textures, but variable targets */
uint32_t m = ps->sampler_mask;
samplers_ps1_types = 0;
while (m) {
int s = ffs(m) - 1;
m &= ~(1 << s);
samplers_ps1_types |= (state->texture[s] ? state->texture[s]->pstype : 1) << (s * 2);
}
key = samplers_ps1_types;
} else {
samplers_shadow = (uint16_t)((state->samplers_shadow & NINE_PS_SAMPLERS_MASK) >> NINE_SAMPLER_PS(0));
key = samplers_shadow & ps->sampler_mask;
}
res = ps->last_key != key;
if (res)
ps->next_key = key;
return res;
}
void *
NinePixelShader9_GetVariant( struct NinePixelShader9 *ps );
/*** public ***/
HRESULT
NinePixelShader9_new( struct NineDevice9 *pDevice,
struct NinePixelShader9 **ppOut,
const DWORD *pFunction, void *cso );
HRESULT
NinePixelShader9_ctor( struct NinePixelShader9 *,
struct NineUnknownParams *pParams,
const DWORD *pFunction, void *cso );
void
NinePixelShader9_dtor( struct NinePixelShader9 * );
HRESULT WINAPI
NinePixelShader9_GetFunction( struct NinePixelShader9 *This,
void *pData,
UINT *pSizeOfData );
#endif /* _NINE_PIXELSHADER9_H_ */
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