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/half_float.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     struct nine_lconstf lconstf;
59 
60     boolean int_slots_used[NINE_MAX_CONST_I];
61     boolean bool_slots_used[NINE_MAX_CONST_B];
62 
63     unsigned const_int_slots;
64     unsigned const_bool_slots;
65 
66     struct nine_shader_constant_combination *c_combinations;
67 
68     uint64_t ff_key[3];
69     void *ff_cso;
70 
71     uint64_t last_key;
72     void *last_cso;
73     unsigned *last_const_ranges;
74     unsigned last_const_used_size; /* in bytes */
75 
76     uint64_t next_key;
77 
78     /* so */
79     struct nine_shader_variant_so variant_so;
80 };
81 static inline struct NineVertexShader9 *
NineVertexShader9(void * data)82 NineVertexShader9( void *data )
83 {
84     return (struct NineVertexShader9 *)data;
85 }
86 
87 static inline BOOL
NineVertexShader9_UpdateKey(struct NineVertexShader9 * vs,struct NineDevice9 * device)88 NineVertexShader9_UpdateKey( struct NineVertexShader9 *vs,
89                              struct NineDevice9 *device )
90 {
91     struct nine_context *context = &(device->context);
92     uint8_t samplers_shadow;
93     uint64_t key;
94     BOOL res;
95 
96     samplers_shadow = (uint8_t)((context->samplers_shadow & NINE_VS_SAMPLERS_MASK) >> NINE_SAMPLER_VS(0));
97     samplers_shadow &= vs->sampler_mask;
98     key = samplers_shadow;
99 
100     if (vs->byte_code.version < 0x30)
101         key |= (uint32_t) ((!!context->rs[D3DRS_FOGENABLE]) << 8);
102     key |= (uint32_t) (context->swvp << 9);
103 
104     if ((vs->const_int_slots > 0 || vs->const_bool_slots > 0) && context->inline_constants && !context->swvp)
105         key |= ((uint64_t)nine_shader_constant_combination_key(&vs->c_combinations,
106                                                                vs->int_slots_used,
107                                                                vs->bool_slots_used,
108                                                                context->vs_const_i,
109                                                                context->vs_const_b)) << 16;
110 
111     /* We want to use a 64 bits key for performance.
112      * Use compressed float16 values for the pointsize min/max in the key.
113      * Shaders do not usually output psize.*/
114     if (vs->point_size) {
115         key |= ((uint64_t)_mesa_float_to_half(asfloat(context->rs[D3DRS_POINTSIZE_MIN]))) << 32;
116         key |= ((uint64_t)_mesa_float_to_half(asfloat(context->rs[D3DRS_POINTSIZE_MAX]))) << 48;
117     }
118 
119     res = vs->last_key != key;
120     if (res)
121         vs->next_key = key;
122     return res;
123 }
124 
125 void *
126 NineVertexShader9_GetVariant( struct NineVertexShader9 *vs,
127                               unsigned **const_ranges,
128                               unsigned *const_used_size );
129 
130 void *
131 NineVertexShader9_GetVariantProcessVertices( struct NineVertexShader9 *vs,
132                                              struct NineVertexDeclaration9 *vdecl_out,
133                                              struct pipe_stream_output_info *so );
134 
135 /*** public ***/
136 
137 HRESULT
138 NineVertexShader9_new( struct NineDevice9 *pDevice,
139                        struct NineVertexShader9 **ppOut,
140                        const DWORD *pFunction, void *cso );
141 
142 HRESULT
143 NineVertexShader9_ctor( struct NineVertexShader9 *,
144                         struct NineUnknownParams *pParams,
145                         const DWORD *pFunction, void *cso );
146 
147 void
148 NineVertexShader9_dtor( struct NineVertexShader9 * );
149 
150 HRESULT NINE_WINAPI
151 NineVertexShader9_GetFunction( struct NineVertexShader9 *This,
152                                void *pData,
153                                UINT *pSizeOfData );
154 
155 #endif /* _NINE_VERTEXSHADER9_H_ */
156