2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
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:
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
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. */
23 #ifndef R300_TEXTURE_H
24 #define R300_TEXTURE_H
26 #include "pipe/p_video_state.h"
32 void r300_init_screen_texture_functions(struct pipe_screen
* screen
);
34 unsigned r300_texture_get_stride(struct r300_screen
* screen
,
35 struct r300_texture
* tex
, unsigned level
);
37 unsigned r300_texture_get_offset(struct r300_texture
* tex
, unsigned level
,
38 unsigned zslice
, unsigned face
);
40 /* Translate a pipe_format into a useful texture format for sampling.
42 * R300_EASY_TX_FORMAT swizzles the texture.
43 * Note the signature of R300_EASY_TX_FORMAT:
44 * R300_EASY_TX_FORMAT(B, G, R, A, FORMAT);
46 * The FORMAT specifies how the texture sampler will treat the texture, and
47 * makes available X, Y, Z, W, ZERO, and ONE for swizzling. */
48 static INLINE
uint32_t r300_translate_texformat(enum pipe_format format
)
52 case PIPE_FORMAT_A8_UNORM
:
53 return R300_EASY_TX_FORMAT(ZERO
, ZERO
, ZERO
, X
, X8
);
54 case PIPE_FORMAT_I8_UNORM
:
55 return R300_EASY_TX_FORMAT(X
, X
, X
, X
, X8
);
56 case PIPE_FORMAT_L8_UNORM
:
57 return R300_EASY_TX_FORMAT(X
, X
, X
, ONE
, X8
);
58 case PIPE_FORMAT_L8_SRGB
:
59 return R300_EASY_TX_FORMAT(X
, X
, X
, ONE
, X8
) |
62 case PIPE_FORMAT_R16_UNORM
:
63 case PIPE_FORMAT_Z16_UNORM
:
64 return R300_EASY_TX_FORMAT(X
, X
, X
, X
, X16
);
65 case PIPE_FORMAT_R16_SNORM
:
66 return R300_EASY_TX_FORMAT(X
, X
, X
, X
, X16
) |
67 R300_TX_FORMAT_SIGNED
;
69 case PIPE_FORMAT_A8L8_UNORM
:
70 return R300_EASY_TX_FORMAT(X
, X
, X
, Y
, Y8X8
);
71 case PIPE_FORMAT_A8L8_SRGB
:
72 return R300_EASY_TX_FORMAT(X
, X
, X
, Y
, Y8X8
) |
75 case PIPE_FORMAT_A8R8G8B8_UNORM
:
76 return R300_EASY_TX_FORMAT(X
, Y
, Z
, W
, W8Z8Y8X8
);
77 case PIPE_FORMAT_R8G8B8A8_UNORM
:
78 return R300_EASY_TX_FORMAT(Y
, Z
, W
, X
, W8Z8Y8X8
);
79 case PIPE_FORMAT_X8R8G8B8_UNORM
:
80 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, W8Z8Y8X8
);
81 case PIPE_FORMAT_R8G8B8X8_UNORM
:
82 return R300_EASY_TX_FORMAT(Y
, Z
, ONE
, X
, W8Z8Y8X8
);
83 case PIPE_FORMAT_A8R8G8B8_SRGB
:
84 return R300_EASY_TX_FORMAT(X
, Y
, Z
, W
, W8Z8Y8X8
) |
86 case PIPE_FORMAT_R8G8B8A8_SRGB
:
87 return R300_EASY_TX_FORMAT(Y
, Z
, W
, X
, W8Z8Y8X8
) |
90 case PIPE_FORMAT_DXT1_RGB
:
91 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, DXT1
);
92 case PIPE_FORMAT_DXT1_RGBA
:
93 return R300_EASY_TX_FORMAT(X
, Y
, Z
, W
, DXT1
);
95 case PIPE_FORMAT_DXT3_RGBA
:
96 return R300_EASY_TX_FORMAT(X
, Y
, Z
, W
, DXT3
);
98 case PIPE_FORMAT_DXT5_RGBA
:
99 return R300_EASY_TX_FORMAT(Y
, Z
, W
, X
, DXT5
);
101 case PIPE_FORMAT_YCBCR
:
102 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, YVYU422
) |
103 R300_TX_FORMAT_YUV_TO_RGB
;
105 case PIPE_FORMAT_Z24S8_UNORM
:
106 case PIPE_FORMAT_Z24X8_UNORM
:
107 return R300_EASY_TX_FORMAT(X
, X
, X
, X
, W24_FP
);
110 debug_printf("r300: Implementation error: "
111 "Got unsupported texture format %s in %s\n",
112 pf_name(format
), __FUNCTION__
);
119 struct r300_video_surface
121 struct pipe_video_surface base
;
122 struct pipe_texture
*tex
;
125 static INLINE
struct r300_video_surface
*
126 r300_video_surface(struct pipe_video_surface
*pvs
)
128 return (struct r300_video_surface
*)pvs
;
131 #ifndef R300_WINSYS_H
133 boolean
r300_get_texture_buffer(struct pipe_screen
* screen
,
134 struct pipe_texture
* texture
,
135 struct pipe_buffer
** buffer
,
138 #endif /* R300_WINSYS_H */
140 #endif /* R300_TEXTURE_H */