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
  57     uint32_t sampler_ps1xtypes; /* 2 bits per sampler */
  58     uint16_t sampler_mask; /* out, which samplers are being used */
  59     uint16_t sampler_mask_shadow; /* in, which samplers use depth compare */
  60     uint8_t rt_mask; /* out, which render targets are being written */
  61
  62     unsigned const_i_base; /* in vec4 (16 byte) units */
  63     unsigned const_b_base; /* in vec4 (16 byte) units */
  64     unsigned const_used_size;
  65
  66     unsigned const_float_slots;
  67     unsigned const_int_slots;
  68     unsigned const_bool_slots;
  69
  70     struct nine_lconstf lconstf; /* out, NOTE: members to be free'd by user */
  71 };
  72
  73 static INLINE void
  74 nine_info_mark_const_f_used(struct nine_shader_info *info, int idx)
  75 {
  76     if (info->const_float_slots < (idx + 1))
  77         info->const_float_slots = idx + 1;
  78 }
  79 static INLINE void
  80 nine_info_mark_const_i_used(struct nine_shader_info *info, int idx)
  81 {
  82     if (info->const_int_slots < (idx + 1))
  83         info->const_int_slots = idx + 1;
  84 }
  85 static INLINE void
  86 nine_info_mark_const_b_used(struct nine_shader_info *info, int idx)
  87 {
  88     if (info->const_bool_slots < (idx + 1))
  89         info->const_bool_slots = idx + 1;
  90 }
  91
  92 HRESULT
  93 nine_translate_shader(struct NineDevice9 *device, struct nine_shader_info *);
  94
  95
  96 struct nine_shader_variant
  97 {
  98     struct nine_shader_variant *next;
  99     void *cso;
 100     uint32_t key;
 101 };
 102
 103 static INLINE void *
 104 nine_shader_variant_get(struct nine_shader_variant *list, uint32_t key)
 105 {
 106     while (list->key != key && list->next)
 107         list = list->next;
 108     if (list->key == key)
 109         return list->cso;
 110     return NULL;
 111 }
 112
 113 static INLINE boolean
 114 nine_shader_variant_add(struct nine_shader_variant *list,
 115                         uint32_t key, void *cso)
 116 {
 117     while (list->next) {
 118         assert(list->key != key);
 119         list = list->next;
 120     }
 121     list->next = MALLOC_STRUCT(nine_shader_variant);
 122     if (!list->next)
 123         return FALSE;
 124     list->next->next = NULL;
 125     list->next->key = key;
 126     list->next->cso = cso;
 127     return TRUE;
 128 }
 129
 130 static INLINE void
 131 nine_shader_variants_free(struct nine_shader_variant *list)
 132 {
 133     while (list->next) {
 134         struct nine_shader_variant *ptr = list->next;
 135         list->next = ptr->next;
 136         FREE(ptr);
 137     }
 138 }
 139
 140 #endif /* _NINE_SHADER_H_ */