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| Rev | Author | Line No. | Line |
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| 4358 | Serge | 1 | /* |
| 2 | * Copyright (C) 2009-2010 Francisco Jerez. |
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| 3 | * All Rights Reserved. |
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| 4 | * |
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| 5 | * Permission is hereby granted, free of charge, to any person obtaining |
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| 6 | * a copy of this software and associated documentation files (the |
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| 7 | * "Software"), to deal in the Software without restriction, including |
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| 8 | * without limitation the rights to use, copy, modify, merge, publish, |
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| 9 | * distribute, sublicense, and/or sell copies of the Software, and to |
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| 10 | * permit persons to whom the Software is furnished to do so, subject to |
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| 11 | * the following conditions: |
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| 12 | * |
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| 13 | * The above copyright notice and this permission notice (including the |
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| 14 | * next paragraph) shall be included in all copies or substantial |
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| 15 | * portions of the Software. |
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| 16 | * |
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| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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| 18 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
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| 20 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
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| 21 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
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| 22 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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| 23 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 24 | * |
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| 25 | */ |
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| 26 | |||
| 27 | #include "main/bufferobj.h" |
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| 28 | #include "nouveau_driver.h" |
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| 29 | #include "nouveau_array.h" |
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| 30 | #include "nouveau_bufferobj.h" |
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| 31 | #include "nouveau_context.h" |
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| 32 | |||
| 33 | #define EXTRACT(in_t, out_t) extract_func_##in_t##_to_##out_t |
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| 34 | |||
| 35 | #define EXTRACT_FUNC(in_t, out_t, k) \ |
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| 36 | static out_t EXTRACT(in_t, out_t) \ |
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| 37 | (struct nouveau_array *a, int i, int j) { \ |
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| 38 | in_t x = ((in_t *)(a->buf + i * a->stride))[j]; \ |
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| 39 | \ |
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| 40 | return (out_t)x / (k); \ |
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| 41 | } |
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| 42 | |||
| 43 | EXTRACT_FUNC(GLchar, unsigned, 1); |
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| 44 | EXTRACT_FUNC(GLchar, float, SCHAR_MAX); |
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| 45 | EXTRACT_FUNC(GLubyte, unsigned, 1); |
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| 46 | EXTRACT_FUNC(GLubyte, float, UCHAR_MAX); |
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| 47 | EXTRACT_FUNC(GLshort, unsigned, 1); |
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| 48 | EXTRACT_FUNC(GLshort, float, SHRT_MAX); |
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| 49 | EXTRACT_FUNC(GLushort, unsigned, 1); |
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| 50 | EXTRACT_FUNC(GLushort, float, USHRT_MAX); |
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| 51 | EXTRACT_FUNC(GLint, unsigned, 1); |
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| 52 | EXTRACT_FUNC(GLint, float, INT_MAX); |
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| 53 | EXTRACT_FUNC(GLuint, unsigned, 1); |
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| 54 | EXTRACT_FUNC(GLuint, float, UINT_MAX); |
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| 55 | EXTRACT_FUNC(GLfloat, unsigned, 1.0 / UINT_MAX); |
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| 56 | EXTRACT_FUNC(GLfloat, float, 1); |
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| 57 | |||
| 58 | #undef EXTRACT_FUNC |
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| 59 | |||
| 60 | static void |
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| 61 | get_array_extract(struct nouveau_array *a, extract_u_t *extract_u, |
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| 62 | extract_f_t *extract_f) |
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| 63 | { |
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| 64 | switch (a->type) { |
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| 65 | case GL_BYTE: |
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| 66 | *extract_u = EXTRACT(GLchar, unsigned); |
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| 67 | *extract_f = EXTRACT(GLchar, float); |
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| 68 | break; |
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| 69 | case GL_UNSIGNED_BYTE: |
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| 70 | *extract_u = EXTRACT(GLubyte, unsigned); |
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| 71 | *extract_f = EXTRACT(GLubyte, float); |
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| 72 | break; |
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| 73 | case GL_SHORT: |
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| 74 | *extract_u = EXTRACT(GLshort, unsigned); |
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| 75 | *extract_f = EXTRACT(GLshort, float); |
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| 76 | break; |
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| 77 | case GL_UNSIGNED_SHORT: |
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| 78 | *extract_u = EXTRACT(GLushort, unsigned); |
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| 79 | *extract_f = EXTRACT(GLushort, float); |
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| 80 | break; |
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| 81 | case GL_INT: |
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| 82 | *extract_u = EXTRACT(GLint, unsigned); |
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| 83 | *extract_f = EXTRACT(GLint, float); |
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| 84 | break; |
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| 85 | case GL_UNSIGNED_INT: |
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| 86 | *extract_u = EXTRACT(GLuint, unsigned); |
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| 87 | *extract_f = EXTRACT(GLuint, float); |
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| 88 | break; |
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| 89 | case GL_FLOAT: |
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| 90 | *extract_u = EXTRACT(GLfloat, unsigned); |
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| 91 | *extract_f = EXTRACT(GLfloat, float); |
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| 92 | break; |
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| 93 | default: |
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| 94 | assert(0); |
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| 95 | } |
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| 96 | } |
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| 97 | #undef EXTRACT |
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| 98 | |||
| 99 | void |
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| 100 | nouveau_init_array(struct nouveau_array *a, int attr, int stride, |
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| 101 | int fields, int type, struct gl_buffer_object *obj, |
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| 102 | const void *ptr, GLboolean map, struct gl_context *ctx) |
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| 103 | { |
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| 104 | struct nouveau_client *client = context_client(ctx); |
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| 105 | |||
| 106 | a->attr = attr; |
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| 107 | a->stride = stride; |
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| 108 | a->fields = fields; |
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| 109 | a->type = type; |
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| 110 | a->buf = NULL; |
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| 111 | |||
| 112 | if (obj) { |
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| 113 | if (nouveau_bufferobj_hw(obj)) { |
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| 114 | struct nouveau_bufferobj *nbo = |
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| 115 | to_nouveau_bufferobj(obj); |
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| 116 | |||
| 117 | nouveau_bo_ref(nbo->bo, &a->bo); |
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| 118 | a->offset = (intptr_t)ptr; |
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| 119 | |||
| 120 | if (map) { |
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| 121 | nouveau_bo_map(a->bo, NOUVEAU_BO_RD, client); |
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| 122 | a->buf = a->bo->map + a->offset; |
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| 123 | } |
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| 124 | |||
| 125 | } else { |
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| 126 | nouveau_bo_ref(NULL, &a->bo); |
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| 127 | a->offset = 0; |
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| 128 | |||
| 129 | if (map) |
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| 130 | a->buf = ADD_POINTERS( |
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| 131 | nouveau_bufferobj_sys(obj), ptr); |
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| 132 | } |
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| 133 | } |
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| 134 | |||
| 135 | if (a->buf) |
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| 136 | get_array_extract(a, &a->extract_u, &a->extract_f); |
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| 137 | } |
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| 138 | |||
| 139 | void |
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| 140 | nouveau_deinit_array(struct nouveau_array *a) |
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| 141 | { |
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| 142 | a->buf = NULL; |
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| 143 | a->fields = 0; |
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| 144 | } |
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| 145 | |||
| 146 | void |
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| 147 | nouveau_cleanup_array(struct nouveau_array *a) |
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| 148 | { |
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| 149 | nouveau_deinit_array(a); |
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| 150 | nouveau_bo_ref(NULL, &a->bo); |
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| 151 | } |