1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
/*
* Mesa 3-D graphics library
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
* Copyright (c) 2008-2009 VMware, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/**
* \file texfetch_tmp.h
* Texel fetch functions template.
*
* This template file is used by texfetch.c to generate texel fetch functions
* for 1-D, 2-D and 3-D texture images.
*
* It should be expanded by defining \p DIM as the number texture dimensions
* (1, 2 or 3). According to the value of \p DIM a series of macros is defined
* for the texel lookup in the gl_texture_image::Data.
*
* \author Gareth Hughes
* \author Brian Paul
*/
#include <format_unpack.h>
#if DIM == 1
#define TEXEL_ADDR( type, image, i, j, k, size ) \
((void) (j), (void) (k), ((type *)(image)->ImageSlices[0] + (i) * (size)))
#define FETCH(x) fetch_texel_1d_##x
#elif DIM == 2
#define TEXEL_ADDR( type, image, i, j, k, size ) \
((void) (k), \
((type *)((GLubyte *) (image)->ImageSlices[0] + (image)->RowStride * (j)) + \
(i) * (size)))
#define FETCH(x) fetch_texel_2d_##x
#elif DIM == 3
#define TEXEL_ADDR( type, image, i, j, k, size ) \
((type *)((GLubyte *) (image)->ImageSlices[k] + \
(image)->RowStride * (j)) + (i) * (size))
#define FETCH(x) fetch_texel_3d_##x
#else
#error illegal number of texture dimensions
#endif
#define FETCH_Z(x, type, size) \
static void \
FETCH(x) (const struct swrast_texture_image *texImage, \
GLint i, GLint j, GLint k, GLfloat *texel) \
{ \
const type *src = TEXEL_ADDR(type, texImage, i, j, k, size); \
_mesa_unpack_float_z_row(MESA_FORMAT_##x, 1, src, texel); \
}
#define FETCH_RGBA(x, type, size) \
static void \
FETCH(x) (const struct swrast_texture_image *texImage, \
GLint i, GLint j, GLint k, GLfloat *texel) \
{ \
const type *src = TEXEL_ADDR(type, texImage, i, j, k, size); \
_mesa_unpack_rgba_row(MESA_FORMAT_##x, 1, src, (GLvoid *)texel); \
}
FETCH_Z(Z_UNORM32, GLuint, 1)
FETCH_Z(Z_UNORM16, GLushort, 1)
FETCH_Z(S8_UINT_Z24_UNORM, GLuint, 1) /* only return Z, not stencil data */
FETCH_Z(Z24_UNORM_S8_UINT, GLuint, 1) /* only return Z, not stencil data */
FETCH_Z(Z32_FLOAT_S8X24_UINT, GLfloat, 2)
FETCH_RGBA(RGBA_FLOAT32, GLfloat, 4)
FETCH_RGBA(RGBA_FLOAT16, GLhalfARB, 4)
FETCH_RGBA(RGB_FLOAT32, GLfloat, 3)
FETCH_RGBA(RGB_FLOAT16, GLhalfARB, 3)
FETCH_RGBA(A_FLOAT32, GLfloat, 1)
FETCH_RGBA(A_FLOAT16, GLhalfARB, 1)
FETCH_RGBA(L_FLOAT32, GLfloat, 1)
FETCH_RGBA(L_FLOAT16, GLhalfARB, 1)
FETCH_RGBA(LA_FLOAT32, GLfloat, 2)
FETCH_RGBA(LA_FLOAT16, GLhalfARB, 2)
FETCH_RGBA(I_FLOAT32, GLfloat, 1)
FETCH_RGBA(I_FLOAT16, GLhalfARB, 1)
FETCH_RGBA(R_FLOAT32, GLfloat, 1)
FETCH_RGBA(R_FLOAT16, GLhalfARB, 1)
FETCH_RGBA(RG_FLOAT32, GLfloat, 2)
FETCH_RGBA(RG_FLOAT16, GLhalfARB, 2)
FETCH_RGBA(A8B8G8R8_UNORM, GLuint, 1)
FETCH_RGBA(R8G8B8A8_UNORM, GLuint, 1)
FETCH_RGBA(B8G8R8A8_UNORM, GLuint, 1)
FETCH_RGBA(A8R8G8B8_UNORM, GLuint, 1)
FETCH_RGBA(X8B8G8R8_UNORM, GLuint, 1)
FETCH_RGBA(R8G8B8X8_UNORM, GLuint, 1)
FETCH_RGBA(B8G8R8X8_UNORM, GLuint, 1)
FETCH_RGBA(X8R8G8B8_UNORM, GLuint, 1)
FETCH_RGBA(BGR_UNORM8, GLubyte, 3)
FETCH_RGBA(RGB_UNORM8, GLubyte, 3)
FETCH_RGBA(B5G6R5_UNORM, GLushort, 1)
FETCH_RGBA(R5G6B5_UNORM, GLushort, 1)
FETCH_RGBA(B4G4R4A4_UNORM, GLushort, 1)
FETCH_RGBA(A4R4G4B4_UNORM, GLushort, 1)
FETCH_RGBA(A1B5G5R5_UNORM, GLushort, 1)
FETCH_RGBA(B5G5R5A1_UNORM, GLushort, 1)
FETCH_RGBA(A1R5G5B5_UNORM, GLushort, 1)
FETCH_RGBA(B10G10R10A2_UNORM, GLuint, 1)
FETCH_RGBA(R10G10B10A2_UNORM, GLuint, 1)
FETCH_RGBA(RG_UNORM8, GLubyte, 2)
FETCH_RGBA(L4A4_UNORM, GLubyte, 1)
FETCH_RGBA(R_UNORM8, GLubyte, 1)
FETCH_RGBA(R_UNORM16, GLushort, 1)
FETCH_RGBA(LA_UNORM8, GLubyte, 2)
FETCH_RGBA(RG_UNORM16, GLushort, 2)
FETCH_RGBA(B2G3R3_UNORM, GLubyte, 1)
FETCH_RGBA(A_UNORM8, GLubyte, 1)
FETCH_RGBA(A_UNORM16, GLushort, 1)
FETCH_RGBA(L_UNORM8, GLubyte, 1)
FETCH_RGBA(L_UNORM16, GLushort, 1)
FETCH_RGBA(LA_UNORM16, GLushort, 2)
FETCH_RGBA(I_UNORM8, GLubyte, 1)
FETCH_RGBA(I_UNORM16, GLushort, 1)
FETCH_RGBA(BGR_SRGB8, GLubyte, 3)
FETCH_RGBA(A8B8G8R8_SRGB, GLuint, 1)
FETCH_RGBA(B8G8R8A8_SRGB, GLuint, 1)
FETCH_RGBA(A8R8G8B8_SRGB, GLuint, 1)
FETCH_RGBA(R8G8B8A8_SRGB, GLuint, 1)
FETCH_RGBA(R8G8B8X8_SRGB, GLuint, 1)
FETCH_RGBA(X8B8G8R8_SRGB, GLuint, 1)
FETCH_RGBA(R_SRGB8, GLubyte, 1)
FETCH_RGBA(L_SRGB8, GLubyte, 1)
FETCH_RGBA(LA_SRGB8, GLubyte, 2)
FETCH_RGBA(RGBA_SINT8, GLbyte, 4)
FETCH_RGBA(RGBA_SINT16, GLshort, 4)
FETCH_RGBA(RGBA_SINT32, GLint, 4)
FETCH_RGBA(RGBA_UINT16, GLushort, 4)
FETCH_RGBA(RGBA_UINT32, GLuint, 4)
FETCH_RGBA(R_SNORM8, GLbyte, 1)
FETCH_RGBA(A_SNORM8, GLbyte, 1)
FETCH_RGBA(L_SNORM8, GLbyte, 1)
FETCH_RGBA(I_SNORM8, GLbyte, 1)
FETCH_RGBA(LA_SNORM8, GLbyte, 2)
FETCH_RGBA(RG_SNORM8, GLbyte, 2)
FETCH_RGBA(X8B8G8R8_SNORM, GLint, 1)
FETCH_RGBA(A8B8G8R8_SNORM, GLint, 1)
FETCH_RGBA(R8G8B8A8_SNORM, GLint, 1)
FETCH_RGBA(R_SNORM16, GLshort, 1)
FETCH_RGBA(A_SNORM16, GLshort, 1)
FETCH_RGBA(L_SNORM16, GLshort, 1)
FETCH_RGBA(I_SNORM16, GLshort, 1)
FETCH_RGBA(RG_SNORM16, GLshort, 2)
FETCH_RGBA(LA_SNORM16, GLshort, 2)
FETCH_RGBA(RGB_SNORM16, GLshort, 3)
FETCH_RGBA(RGBA_SNORM16, GLshort, 4)
FETCH_RGBA(RGBA_UNORM16, GLushort, 4)
FETCH_RGBA(RGBX_UNORM16, GLushort, 4)
FETCH_RGBA(RGBX_FLOAT16, GLhalfARB, 4)
FETCH_RGBA(RGBX_FLOAT32, GLfloat, 4)
FETCH_RGBA(YCBCR, GLushort, 1) /* Fetch texel from 1D, 2D or 3D ycbcr texture, returning RGBA. */
FETCH_RGBA(YCBCR_REV, GLushort, 1) /* Fetch texel from 1D, 2D or 3D ycbcr texture, returning RGBA. */
FETCH_RGBA(R9G9B9E5_FLOAT, GLuint, 1)
FETCH_RGBA(R11G11B10_FLOAT, GLuint, 1)
#undef TEXEL_ADDR
#undef DIM
#undef FETCH
#undef FETCH_Z
#undef FETCH_RGBA
|
