src/gallium/state_trackers/nine/vertexshader9.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_VERTEXSHADER9_H_
  24 #define _NINE_VERTEXSHADER9_H_
  25
  26 #include "util/u_half.h"
  27
  28 #include "iunknown.h"
  29 #include "device9.h"
  30 #include "nine_helpers.h"
  31 #include "nine_shader.h"
  32 #include "nine_state.h"
  33
  34 struct NineVertexDeclaration9;
  35
  36 struct NineVertexShader9
  37 {
  38     struct NineUnknown base;
  39     struct nine_shader_variant variant;
  40
  41     struct {
  42         uint16_t ndecl; /* NINE_DECLUSAGE_x */
  43     } input_map[PIPE_MAX_ATTRIBS];
  44     unsigned num_inputs;
  45
  46     struct {
  47         const DWORD *tokens;
  48         DWORD size;
  49         uint8_t version; /* (major << 4) | minor */
  50     } byte_code;
  51
  52     uint8_t sampler_mask;
  53
  54     boolean position_t; /* if true, disable vport transform */
  55     boolean point_size; /* if true, set rasterizer.point_size_per_vertex to 1 */
  56     boolean swvp_only;
  57
  58     unsigned const_used_size; /* in bytes */
  59
  60     struct nine_lconstf lconstf;
  61
  62     uint64_t ff_key[3];
  63     void *ff_cso;
  64
  65     uint64_t last_key;
  66     void *last_cso;
  67
  68     uint64_t next_key;
  69
  70     /* so */
  71     struct nine_shader_variant_so variant_so;
  72 };
  73 static inline struct NineVertexShader9 *
  74 NineVertexShader9( void *data )
  75 {
  76     return (struct NineVertexShader9 *)data;
  77 }
  78
  79 static inline BOOL
  80 NineVertexShader9_UpdateKey( struct NineVertexShader9 *vs,
  81                              struct NineDevice9 *device )
  82 {
  83     struct nine_state *state = &(device->state);
  84     struct nine_context *context = &(device->context);
  85     uint8_t samplers_shadow;
  86     uint64_t key;
  87     BOOL res;
  88
  89     samplers_shadow = (uint8_t)((state->samplers_shadow & NINE_VS_SAMPLERS_MASK) >> NINE_SAMPLER_VS(0));
  90     samplers_shadow &= vs->sampler_mask;
  91     key = samplers_shadow;
  92
  93     if (vs->byte_code.version < 0x30)
  94         key |= (uint32_t) ((!!context->rs[D3DRS_FOGENABLE]) << 8);
  95     key |= (uint32_t) (device->swvp << 9);
  96
  97     /* We want to use a 64 bits key for performance.
  98      * Use compressed float16 values for the pointsize min/max in the key.
  99      * Shaders do not usually output psize.*/
 100     if (vs->point_size) {
 101         key |= ((uint64_t)util_float_to_half(asfloat(context->rs[D3DRS_POINTSIZE_MIN]))) << 32;
 102         key |= ((uint64_t)util_float_to_half(asfloat(context->rs[D3DRS_POINTSIZE_MAX]))) << 48;
 103     }
 104
 105     res = vs->last_key != key;
 106     if (res)
 107         vs->next_key = key;
 108     return res;
 109 }
 110
 111 void *
 112 NineVertexShader9_GetVariant( struct NineVertexShader9 *vs );
 113
 114 void *
 115 NineVertexShader9_GetVariantProcessVertices( struct NineVertexShader9 *vs,
 116                                              struct NineVertexDeclaration9 *vdecl_out,
 117                                              struct pipe_stream_output_info *so );
 118
 119 /*** public ***/
 120
 121 HRESULT
 122 NineVertexShader9_new( struct NineDevice9 *pDevice,
 123                        struct NineVertexShader9 **ppOut,
 124                        const DWORD *pFunction, void *cso );
 125
 126 HRESULT
 127 NineVertexShader9_ctor( struct NineVertexShader9 *,
 128                         struct NineUnknownParams *pParams,
 129                         const DWORD *pFunction, void *cso );
 130
 131 void
 132 NineVertexShader9_dtor( struct NineVertexShader9 * );
 133
 134 HRESULT NINE_WINAPI
 135 NineVertexShader9_GetFunction( struct NineVertexShader9 *This,
 136                                void *pData,
 137                                UINT *pSizeOfData );
 138
 139 #endif /* _NINE_VERTEXSHADER9_H_ */