src/gallium/state_trackers/nine/nine_shader.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_SHADER_H_
  24 #define _NINE_SHADER_H_
  25
  26 #include "d3d9types.h"
  27 #include "d3d9caps.h"
  28 #include "nine_defines.h"
  29 #include "pipe/p_state.h" /* PIPE_MAX_ATTRIBS */
  30 #include "util/u_memory.h"
  31
  32 struct NineDevice9;
  33
  34 struct nine_lconstf /* NOTE: both pointers should be FREE'd by the user */
  35 {
  36     struct nine_range *ranges; /* single MALLOC, but next-pointers valid */
  37     float *data;
  38 };
  39
  40 struct nine_shader_info
  41 {
  42     unsigned type; /* in, PIPE_SHADER_x */
  43
  44     uint8_t version; /* (major << 4) | minor */
  45
  46     const DWORD *byte_code; /* in, pointer to shader tokens */
  47     DWORD        byte_size; /* out, size of data at byte_code */
  48
  49     void *cso; /* out, pipe cso for bind_vs,fs_state */
  50
  51     uint16_t input_map[PIPE_MAX_ATTRIBS]; /* VS input -> NINE_DECLUSAGE_x */
  52     uint8_t num_inputs; /* there may be unused inputs (NINE_DECLUSAGE_NONE) */
  53
  54     boolean position_t; /* out, true if VP writes pre-transformed position */
  55     boolean point_size; /* out, true if VP writes point size */
  56     float point_size_min;
  57     float point_size_max;
  58
  59     uint32_t sampler_ps1xtypes; /* 2 bits per sampler */
  60     uint16_t sampler_mask; /* out, which samplers are being used */
  61     uint16_t sampler_mask_shadow; /* in, which samplers use depth compare */
  62     uint8_t rt_mask; /* out, which render targets are being written */
  63
  64     uint8_t fog_enable;
  65     uint8_t fog_mode;
  66     uint8_t force_color_in_centroid;
  67     uint16_t projected; /* ps 1.1 to 1.3 */
  68
  69     unsigned const_i_base; /* in vec4 (16 byte) units */
  70     unsigned const_b_base; /* in vec4 (16 byte) units */
  71     unsigned const_used_size;
  72
  73     unsigned const_float_slots;
  74     unsigned const_int_slots;
  75     unsigned const_bool_slots;
  76
  77     struct nine_lconstf lconstf; /* out, NOTE: members to be free'd by user */
  78     uint8_t bumpenvmat_needed;
  79 };
  80
  81 static inline void
  82 nine_info_mark_const_f_used(struct nine_shader_info *info, int idx)
  83 {
  84     if (info->const_float_slots < (idx + 1))
  85         info->const_float_slots = idx + 1;
  86 }
  87 static inline void
  88 nine_info_mark_const_i_used(struct nine_shader_info *info, int idx)
  89 {
  90     if (info->const_int_slots < (idx + 1))
  91         info->const_int_slots = idx + 1;
  92 }
  93 static inline void
  94 nine_info_mark_const_b_used(struct nine_shader_info *info, int idx)
  95 {
  96     if (info->const_bool_slots < (idx + 1))
  97         info->const_bool_slots = idx + 1;
  98 }
  99
 100 HRESULT
 101 nine_translate_shader(struct NineDevice9 *device, struct nine_shader_info *);
 102
 103
 104 struct nine_shader_variant
 105 {
 106     struct nine_shader_variant *next;
 107     void *cso;
 108     uint64_t key;
 109 };
 110
 111 static inline void *
 112 nine_shader_variant_get(struct nine_shader_variant *list, uint64_t key)
 113 {
 114     while (list->key != key && list->next)
 115         list = list->next;
 116     if (list->key == key)
 117         return list->cso;
 118     return NULL;
 119 }
 120
 121 static inline boolean
 122 nine_shader_variant_add(struct nine_shader_variant *list,
 123                           uint64_t key, void *cso)
 124 {
 125     while (list->next) {
 126         assert(list->key != key);
 127         list = list->next;
 128     }
 129     list->next = MALLOC_STRUCT(nine_shader_variant);
 130     if (!list->next)
 131         return FALSE;
 132     list->next->next = NULL;
 133     list->next->key = key;
 134     list->next->cso = cso;
 135     return TRUE;
 136 }
 137
 138 static inline void
 139 nine_shader_variants_free(struct nine_shader_variant *list)
 140 {
 141     while (list->next) {
 142         struct nine_shader_variant *ptr = list->next;
 143         list->next = ptr->next;
 144         FREE(ptr);
 145     }
 146 }
 147
 148 #endif /* _NINE_SHADER_H_ */