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
  32 struct nine_lconstf;
  33
  34 struct NinePixelShader9
  35 {
  36     struct NineUnknown base;
  37     struct nine_shader_variant64 variant;
  38
  39     struct {
  40         const DWORD *tokens;
  41         DWORD size;
  42         uint8_t version; /* (major << 4) | minor */
  43     } byte_code;
  44
  45     unsigned const_used_size; /* in bytes */
  46
  47     uint8_t bumpenvmat_needed;
  48     uint16_t sampler_mask;
  49     uint8_t rt_mask;
  50
  51     uint64_t ff_key[6];
  52     void *ff_cso;
  53
  54     uint64_t last_key;
  55     void *last_cso;
  56
  57     uint64_t next_key;
  58 };
  59 static inline struct NinePixelShader9 *
  60 NinePixelShader9( void *data )
  61 {
  62     return (struct NinePixelShader9 *)data;
  63 }
  64
  65 static inline BOOL
  66 NinePixelShader9_UpdateKey( struct NinePixelShader9 *ps,
  67                             struct nine_state *state )
  68 {
  69     uint16_t samplers_shadow;
  70     uint32_t samplers_ps1_types;
  71     uint16_t projected;
  72     uint64_t key;
  73     BOOL res;
  74
  75     if (unlikely(ps->byte_code.version < 0x20)) {
  76         /* no depth textures, but variable targets */
  77         uint32_t m = ps->sampler_mask;
  78         samplers_ps1_types = 0;
  79         while (m) {
  80             int s = ffs(m) - 1;
  81             m &= ~(1 << s);
  82             samplers_ps1_types |= (state->texture[s] ? state->texture[s]->pstype : 1) << (s * 2);
  83         }
  84         key = samplers_ps1_types;
  85     } else {
  86         samplers_shadow = (uint16_t)((state->samplers_shadow & NINE_PS_SAMPLERS_MASK) >> NINE_SAMPLER_PS(0));
  87         key = samplers_shadow & ps->sampler_mask;
  88     }
  89
  90     if (ps->byte_code.version < 0x30) {
  91         key |= ((uint64_t)state->rs[D3DRS_FOGENABLE]) << 32;
  92         key |= ((uint64_t)state->rs[D3DRS_FOGTABLEMODE]) << 33;
  93     }
  94
  95     if (unlikely(ps->byte_code.version < 0x14)) {
  96         projected = nine_ff_get_projected_key(state);
  97         key |= ((uint64_t) projected) << 48;
  98     }
  99
 100     res = ps->last_key != key;
 101     if (res)
 102         ps->next_key = key;
 103     return res;
 104 }
 105
 106 void *
 107 NinePixelShader9_GetVariant( struct NinePixelShader9 *ps );
 108
 109 /*** public ***/
 110
 111 HRESULT
 112 NinePixelShader9_new( struct NineDevice9 *pDevice,
 113                       struct NinePixelShader9 **ppOut,
 114                       const DWORD *pFunction, void *cso );
 115
 116 HRESULT
 117 NinePixelShader9_ctor( struct NinePixelShader9 *,
 118                        struct NineUnknownParams *pParams,
 119                        const DWORD *pFunction, void *cso );
 120
 121 void
 122 NinePixelShader9_dtor( struct NinePixelShader9 * );
 123
 124 HRESULT WINAPI
 125 NinePixelShader9_GetFunction( struct NinePixelShader9 *This,
 126                               void *pData,
 127                               UINT *pSizeOfData );
 128
 129 #endif /* _NINE_PIXELSHADER9_H_ */