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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_VERTEXSHADER9_H_
#define _NINE_VERTEXSHADER9_H_
#include "util/u_half.h"
#include "iunknown.h"
#include "nine_helpers.h"
#include "nine_shader.h"
#include "nine_state.h"
struct NineVertexShader9
{
struct NineUnknown base;
struct nine_shader_variant variant;
struct {
uint16_t ndecl; /* NINE_DECLUSAGE_x */
} input_map[PIPE_MAX_ATTRIBS];
unsigned num_inputs;
struct {
const DWORD *tokens;
DWORD size;
uint8_t version; /* (major << 4) | minor */
} byte_code;
uint8_t sampler_mask;
boolean position_t; /* if true, disable vport transform */
boolean point_size; /* if true, set rasterizer.point_size_per_vertex to 1 */
unsigned const_used_size; /* in bytes */
struct nine_lconstf lconstf;
const struct pipe_stream_output_info *so;
uint64_t ff_key[3];
void *ff_cso;
uint64_t last_key;
void *last_cso;
uint64_t next_key;
};
static inline struct NineVertexShader9 *
NineVertexShader9( void *data )
{
return (struct NineVertexShader9 *)data;
}
static inline BOOL
NineVertexShader9_UpdateKey( struct NineVertexShader9 *vs,
struct nine_state *state )
{
uint8_t samplers_shadow;
uint64_t key;
BOOL res;
samplers_shadow = (uint8_t)((state->samplers_shadow & NINE_VS_SAMPLERS_MASK) >> NINE_SAMPLER_VS(0));
samplers_shadow &= vs->sampler_mask;
key = samplers_shadow;
if (vs->byte_code.version < 0x30)
key |= (uint32_t) (state->rs[D3DRS_FOGENABLE] << 8);
/* We want to use a 64 bits key for performance.
* Use compressed float16 values for the pointsize min/max in the key.
* Shaders do not usually output psize.*/
if (vs->point_size) {
key |= ((uint64_t)util_float_to_half(asfloat(state->rs[D3DRS_POINTSIZE_MIN]))) << 32;
key |= ((uint64_t)util_float_to_half(asfloat(state->rs[D3DRS_POINTSIZE_MAX]))) << 48;
}
res = vs->last_key != key;
if (res)
vs->next_key = key;
return res;
}
void *
NineVertexShader9_GetVariant( struct NineVertexShader9 *vs );
/*** public ***/
HRESULT
NineVertexShader9_new( struct NineDevice9 *pDevice,
struct NineVertexShader9 **ppOut,
const DWORD *pFunction, void *cso );
HRESULT
NineVertexShader9_ctor( struct NineVertexShader9 *,
struct NineUnknownParams *pParams,
const DWORD *pFunction, void *cso );
void
NineVertexShader9_dtor( struct NineVertexShader9 * );
HRESULT NINE_WINAPI
NineVertexShader9_GetFunction( struct NineVertexShader9 *This,
void *pData,
UINT *pSizeOfData );
#endif /* _NINE_VERTEXSHADER9_H_ */
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