src/gallium/state_trackers/nine/pixelshader9.h

   1 /*
   2  * Copyright 2011 Joakim Sindholt <opensource@zhasha.com>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  22
  23 #ifndef _NINE_PIXELSHADER9_H_
  24 #define _NINE_PIXELSHADER9_H_
  25
  26 #include "iunknown.h"
  27 #include "nine_shader.h"
  28 #include "nine_state.h"
  29 #include "basetexture9.h"
  30 #include "nine_ff.h"
  31 #include "surface9.h"
  32
  33 struct nine_lconstf;
  34
  35 struct NinePixelShader9
  36 {
  37     struct NineUnknown base;
  38     struct nine_shader_variant variant;
  39
  40     struct {
  41         const DWORD *tokens;
  42         DWORD size;
  43         uint8_t version; /* (major << 4) | minor */
  44     } byte_code;
  45
  46     unsigned const_used_size; /* in bytes */
  47
  48     uint8_t bumpenvmat_needed;
  49     uint16_t sampler_mask;
  50     uint8_t rt_mask;
  51
  52     uint64_t ff_key[6];
  53     void *ff_cso;
  54
  55     uint64_t last_key;
  56     void *last_cso;
  57
  58     uint64_t next_key;
  59 };
  60 static inline struct NinePixelShader9 *
  61 NinePixelShader9( void *data )
  62 {
  63     return (struct NinePixelShader9 *)data;
  64 }
  65
  66 static inline BOOL
  67 NinePixelShader9_UpdateKey( struct NinePixelShader9 *ps,
  68                             struct nine_context *context )
  69 {
  70     uint16_t samplers_shadow;
  71     uint16_t samplers_ps1_types;
  72     uint16_t projected;
  73     uint64_t key;
  74     BOOL res;
  75
  76     samplers_shadow = (uint16_t)((context->samplers_shadow & NINE_PS_SAMPLERS_MASK) >> NINE_SAMPLER_PS(0));
  77     key = samplers_shadow & ps->sampler_mask;
  78
  79     if (unlikely(ps->byte_code.version < 0x20)) {
  80         /* variable targets */
  81         uint32_t m = ps->sampler_mask;
  82         samplers_ps1_types = 0;
  83         while (m) {
  84             int s = ffs(m) - 1;
  85             m &= ~(1 << s);
  86             samplers_ps1_types |= (context->texture[s].enabled ? context->texture[s].pstype : 1) << (s * 2);
  87         }
  88         /* Note: For ps 1.X, only samplers 0 1 2 and 3 are available (except 1.4 where 4 and 5 are available).
  89          * Thus there is no overflow of samplers_ps1_types. */
  90         key |= samplers_ps1_types << 16;
  91     }
  92
  93     if (ps->byte_code.version < 0x30) {
  94         key |= ((uint64_t)context->rs[D3DRS_FOGENABLE]) << 32;
  95         key |= ((uint64_t)context->rs[D3DRS_FOGTABLEMODE]) << 33;
  96     }
  97
  98     /* centroid interpolation automatically used for color ps inputs */
  99     if (context->rt[0]->base.info.nr_samples)
 100         key |= ((uint64_t)1) << 34;
 101
 102     if (unlikely(ps->byte_code.version < 0x14)) {
 103         projected = nine_ff_get_projected_key(context);
 104         key |= ((uint64_t) projected) << 48;
 105     }
 106
 107     res = ps->last_key != key;
 108     if (res)
 109         ps->next_key = key;
 110     return res;
 111 }
 112
 113 void *
 114 NinePixelShader9_GetVariant( struct NinePixelShader9 *ps );
 115
 116 /*** public ***/
 117
 118 HRESULT
 119 NinePixelShader9_new( struct NineDevice9 *pDevice,
 120                       struct NinePixelShader9 **ppOut,
 121                       const DWORD *pFunction, void *cso );
 122
 123 HRESULT
 124 NinePixelShader9_ctor( struct NinePixelShader9 *,
 125                        struct NineUnknownParams *pParams,
 126                        const DWORD *pFunction, void *cso );
 127
 128 void
 129 NinePixelShader9_dtor( struct NinePixelShader9 * );
 130
 131 HRESULT NINE_WINAPI
 132 NinePixelShader9_GetFunction( struct NinePixelShader9 *This,
 133                               void *pData,
 134                               UINT *pSizeOfData );
 135
 136 #endif /* _NINE_PIXELSHADER9_H_ */