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
34struct NineVertexDeclaration9;
35
36struct 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};
73static inline struct NineVertexShader9 *
74NineVertexShader9( void *data )
75{
76    return (struct NineVertexShader9 *)data;
77}
78
79static inline BOOL
80NineVertexShader9_UpdateKey( struct NineVertexShader9 *vs,
81                             struct NineDevice9 *device )
82{
83    struct nine_context *context = &(device->context);
84    uint8_t samplers_shadow;
85    uint64_t key;
86    BOOL res;
87
88    samplers_shadow = (uint8_t)((context->samplers_shadow & NINE_VS_SAMPLERS_MASK) >> NINE_SAMPLER_VS(0));
89    samplers_shadow &= vs->sampler_mask;
90    key = samplers_shadow;
91
92    if (vs->byte_code.version < 0x30)
93        key |= (uint32_t) ((!!context->rs[D3DRS_FOGENABLE]) << 8);
94    key |= (uint32_t) (context->swvp << 9);
95
96    /* We want to use a 64 bits key for performance.
97     * Use compressed float16 values for the pointsize min/max in the key.
98     * Shaders do not usually output psize.*/
99    if (vs->point_size) {
100        key |= ((uint64_t)util_float_to_half(asfloat(context->rs[D3DRS_POINTSIZE_MIN]))) << 32;
101        key |= ((uint64_t)util_float_to_half(asfloat(context->rs[D3DRS_POINTSIZE_MAX]))) << 48;
102    }
103
104    res = vs->last_key != key;
105    if (res)
106        vs->next_key = key;
107    return res;
108}
109
110void *
111NineVertexShader9_GetVariant( struct NineVertexShader9 *vs );
112
113void *
114NineVertexShader9_GetVariantProcessVertices( struct NineVertexShader9 *vs,
115                                             struct NineVertexDeclaration9 *vdecl_out,
116                                             struct pipe_stream_output_info *so );
117
118/*** public ***/
119
120HRESULT
121NineVertexShader9_new( struct NineDevice9 *pDevice,
122                       struct NineVertexShader9 **ppOut,
123                       const DWORD *pFunction, void *cso );
124
125HRESULT
126NineVertexShader9_ctor( struct NineVertexShader9 *,
127                        struct NineUnknownParams *pParams,
128                        const DWORD *pFunction, void *cso );
129
130void
131NineVertexShader9_dtor( struct NineVertexShader9 * );
132
133HRESULT NINE_WINAPI
134NineVertexShader9_GetFunction( struct NineVertexShader9 *This,
135                               void *pData,
136                               UINT *pSizeOfData );
137
138#endif /* _NINE_VERTEXSHADER9_H_ */
139