2 * Copyright 2009 Joakim Sindholt <opensource@zhasha.com>
3 * Corbin Simpson <MostAwesomeDude@gmail.com>
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
24 #ifndef R300_STATE_INLINES_H
25 #define R300_STATE_INLINES_H
27 #include "draw/draw_vertex.h"
29 #include "pipe/p_format.h"
31 #include "util/u_format.h"
35 /* Some maths. These should probably find their way to u_math, if needed. */
37 static INLINE
int pack_float_16_6x(float f
) {
38 return ((int)(f
* 6.0) & 0xffff);
43 static INLINE
uint32_t r300_translate_blend_function(int blend_func
)
47 return R300_COMB_FCN_ADD_CLAMP
;
48 case PIPE_BLEND_SUBTRACT
:
49 return R300_COMB_FCN_SUB_CLAMP
;
50 case PIPE_BLEND_REVERSE_SUBTRACT
:
51 return R300_COMB_FCN_RSUB_CLAMP
;
53 return R300_COMB_FCN_MIN
;
55 return R300_COMB_FCN_MAX
;
57 debug_printf("r300: Unknown blend function %d\n", blend_func
);
64 /* XXX we can also offer the D3D versions of some of these... */
65 static INLINE
uint32_t r300_translate_blend_factor(int blend_fact
)
68 case PIPE_BLENDFACTOR_ONE
:
69 return R300_BLEND_GL_ONE
;
70 case PIPE_BLENDFACTOR_SRC_COLOR
:
71 return R300_BLEND_GL_SRC_COLOR
;
72 case PIPE_BLENDFACTOR_SRC_ALPHA
:
73 return R300_BLEND_GL_SRC_ALPHA
;
74 case PIPE_BLENDFACTOR_DST_ALPHA
:
75 return R300_BLEND_GL_DST_ALPHA
;
76 case PIPE_BLENDFACTOR_DST_COLOR
:
77 return R300_BLEND_GL_DST_COLOR
;
78 case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
:
79 return R300_BLEND_GL_SRC_ALPHA_SATURATE
;
80 case PIPE_BLENDFACTOR_CONST_COLOR
:
81 return R300_BLEND_GL_CONST_COLOR
;
82 case PIPE_BLENDFACTOR_CONST_ALPHA
:
83 return R300_BLEND_GL_CONST_ALPHA
;
85 case PIPE_BLENDFACTOR_SRC1_COLOR:
86 case PIPE_BLENDFACTOR_SRC1_ALPHA: */
87 case PIPE_BLENDFACTOR_ZERO
:
88 return R300_BLEND_GL_ZERO
;
89 case PIPE_BLENDFACTOR_INV_SRC_COLOR
:
90 return R300_BLEND_GL_ONE_MINUS_SRC_COLOR
;
91 case PIPE_BLENDFACTOR_INV_SRC_ALPHA
:
92 return R300_BLEND_GL_ONE_MINUS_SRC_ALPHA
;
93 case PIPE_BLENDFACTOR_INV_DST_ALPHA
:
94 return R300_BLEND_GL_ONE_MINUS_DST_ALPHA
;
95 case PIPE_BLENDFACTOR_INV_DST_COLOR
:
96 return R300_BLEND_GL_ONE_MINUS_DST_COLOR
;
97 case PIPE_BLENDFACTOR_INV_CONST_COLOR
:
98 return R300_BLEND_GL_ONE_MINUS_CONST_COLOR
;
99 case PIPE_BLENDFACTOR_INV_CONST_ALPHA
:
100 return R300_BLEND_GL_ONE_MINUS_CONST_ALPHA
;
102 case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
103 case PIPE_BLENDFACTOR_INV_SRC1_ALPHA: */
105 debug_printf("r300: Unknown blend factor %d\n", blend_fact
);
114 static INLINE
uint32_t r300_translate_depth_stencil_function(int zs_func
)
117 case PIPE_FUNC_NEVER
:
118 return R300_ZS_NEVER
;
121 case PIPE_FUNC_EQUAL
:
122 return R300_ZS_EQUAL
;
123 case PIPE_FUNC_LEQUAL
:
124 return R300_ZS_LEQUAL
;
125 case PIPE_FUNC_GREATER
:
126 return R300_ZS_GREATER
;
127 case PIPE_FUNC_NOTEQUAL
:
128 return R300_ZS_NOTEQUAL
;
129 case PIPE_FUNC_GEQUAL
:
130 return R300_ZS_GEQUAL
;
131 case PIPE_FUNC_ALWAYS
:
132 return R300_ZS_ALWAYS
;
134 debug_printf("r300: Unknown depth/stencil function %d\n",
142 static INLINE
uint32_t r300_translate_stencil_op(int s_op
)
145 case PIPE_STENCIL_OP_KEEP
:
147 case PIPE_STENCIL_OP_ZERO
:
149 case PIPE_STENCIL_OP_REPLACE
:
150 return R300_ZS_REPLACE
;
151 case PIPE_STENCIL_OP_INCR
:
153 case PIPE_STENCIL_OP_DECR
:
155 case PIPE_STENCIL_OP_INCR_WRAP
:
156 return R300_ZS_INCR_WRAP
;
157 case PIPE_STENCIL_OP_DECR_WRAP
:
158 return R300_ZS_DECR_WRAP
;
159 case PIPE_STENCIL_OP_INVERT
:
160 return R300_ZS_INVERT
;
162 debug_printf("r300: Unknown stencil op %d", s_op
);
169 static INLINE
uint32_t r300_translate_alpha_function(int alpha_func
)
171 switch (alpha_func
) {
172 case PIPE_FUNC_NEVER
:
173 return R300_FG_ALPHA_FUNC_NEVER
;
175 return R300_FG_ALPHA_FUNC_LESS
;
176 case PIPE_FUNC_EQUAL
:
177 return R300_FG_ALPHA_FUNC_EQUAL
;
178 case PIPE_FUNC_LEQUAL
:
179 return R300_FG_ALPHA_FUNC_LE
;
180 case PIPE_FUNC_GREATER
:
181 return R300_FG_ALPHA_FUNC_GREATER
;
182 case PIPE_FUNC_NOTEQUAL
:
183 return R300_FG_ALPHA_FUNC_NOTEQUAL
;
184 case PIPE_FUNC_GEQUAL
:
185 return R300_FG_ALPHA_FUNC_GE
;
186 case PIPE_FUNC_ALWAYS
:
187 return R300_FG_ALPHA_FUNC_ALWAYS
;
189 debug_printf("r300: Unknown alpha function %d", alpha_func
);
196 static INLINE
uint32_t
197 r300_translate_polygon_mode_front(unsigned mode
) {
200 case PIPE_POLYGON_MODE_FILL
:
201 return R300_GA_POLY_MODE_FRONT_PTYPE_TRI
;
202 case PIPE_POLYGON_MODE_LINE
:
203 return R300_GA_POLY_MODE_FRONT_PTYPE_LINE
;
204 case PIPE_POLYGON_MODE_POINT
:
205 return R300_GA_POLY_MODE_FRONT_PTYPE_POINT
;
208 debug_printf("r300: Bad polygon mode %i in %s\n", mode
,
210 return R300_GA_POLY_MODE_FRONT_PTYPE_TRI
;
214 static INLINE
uint32_t
215 r300_translate_polygon_mode_back(unsigned mode
) {
218 case PIPE_POLYGON_MODE_FILL
:
219 return R300_GA_POLY_MODE_BACK_PTYPE_TRI
;
220 case PIPE_POLYGON_MODE_LINE
:
221 return R300_GA_POLY_MODE_BACK_PTYPE_LINE
;
222 case PIPE_POLYGON_MODE_POINT
:
223 return R300_GA_POLY_MODE_BACK_PTYPE_POINT
;
226 debug_printf("r300: Bad polygon mode %i in %s\n", mode
,
228 return R300_GA_POLY_MODE_BACK_PTYPE_TRI
;
232 /* Texture sampler state. */
234 static INLINE
uint32_t r300_translate_wrap(int wrap
)
237 case PIPE_TEX_WRAP_REPEAT
:
238 return R300_TX_REPEAT
;
239 case PIPE_TEX_WRAP_CLAMP
:
240 return R300_TX_CLAMP
;
241 case PIPE_TEX_WRAP_CLAMP_TO_EDGE
:
242 return R300_TX_CLAMP_TO_EDGE
;
243 case PIPE_TEX_WRAP_CLAMP_TO_BORDER
:
244 return R300_TX_CLAMP_TO_BORDER
;
245 case PIPE_TEX_WRAP_MIRROR_REPEAT
:
246 return R300_TX_REPEAT
| R300_TX_MIRRORED
;
247 case PIPE_TEX_WRAP_MIRROR_CLAMP
:
248 return R300_TX_CLAMP
| R300_TX_MIRRORED
;
249 case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE
:
250 return R300_TX_CLAMP_TO_EDGE
| R300_TX_MIRRORED
;
251 case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER
:
252 return R300_TX_CLAMP_TO_EDGE
| R300_TX_MIRRORED
;
254 debug_printf("r300: Unknown texture wrap %d", wrap
);
260 static INLINE
uint32_t r300_translate_tex_filters(int min
, int mag
, int mip
,
265 retval
|= R300_TX_MIN_FILTER_ANISO
| R300_TX_MAG_FILTER_ANISO
;
268 case PIPE_TEX_FILTER_NEAREST
:
269 retval
|= R300_TX_MIN_FILTER_NEAREST
;
271 case PIPE_TEX_FILTER_LINEAR
:
272 retval
|= R300_TX_MIN_FILTER_LINEAR
;
275 debug_printf("r300: Unknown texture filter %d\n", min
);
280 case PIPE_TEX_FILTER_NEAREST
:
281 retval
|= R300_TX_MAG_FILTER_NEAREST
;
283 case PIPE_TEX_FILTER_LINEAR
:
284 retval
|= R300_TX_MAG_FILTER_LINEAR
;
287 debug_printf("r300: Unknown texture filter %d\n", mag
);
293 case PIPE_TEX_MIPFILTER_NONE
:
294 retval
|= R300_TX_MIN_FILTER_MIP_NONE
;
296 case PIPE_TEX_MIPFILTER_NEAREST
:
297 retval
|= R300_TX_MIN_FILTER_MIP_NEAREST
;
299 case PIPE_TEX_MIPFILTER_LINEAR
:
300 retval
|= R300_TX_MIN_FILTER_MIP_LINEAR
;
303 debug_printf("r300: Unknown texture filter %d\n", mip
);
311 static INLINE
uint32_t r300_anisotropy(float max_aniso
)
313 if (max_aniso
>= 16.0f
) {
314 return R300_TX_MAX_ANISO_16_TO_1
;
315 } else if (max_aniso
>= 8.0f
) {
316 return R300_TX_MAX_ANISO_8_TO_1
;
317 } else if (max_aniso
>= 4.0f
) {
318 return R300_TX_MAX_ANISO_4_TO_1
;
319 } else if (max_aniso
>= 2.0f
) {
320 return R300_TX_MAX_ANISO_2_TO_1
;
322 return R300_TX_MAX_ANISO_1_TO_1
;
326 /* Buffer formats. */
328 /* Colorbuffer formats. This is the unswizzled format of the RB3D block's
329 * output. For the swizzling of the targets, check the shader's format. */
330 static INLINE
uint32_t r300_translate_colorformat(enum pipe_format format
)
334 case PIPE_FORMAT_I8_UNORM
:
335 return R300_COLOR_FORMAT_I8
;
337 case PIPE_FORMAT_R5G6B5_UNORM
:
338 return R300_COLOR_FORMAT_RGB565
;
339 case PIPE_FORMAT_A1R5G5B5_UNORM
:
340 return R300_COLOR_FORMAT_ARGB1555
;
341 case PIPE_FORMAT_A4R4G4B4_UNORM
:
342 return R300_COLOR_FORMAT_ARGB4444
;
344 case PIPE_FORMAT_A8R8G8B8_UNORM
:
345 case PIPE_FORMAT_X8R8G8B8_UNORM
:
346 case PIPE_FORMAT_R8G8B8A8_UNORM
:
347 case PIPE_FORMAT_R8G8B8X8_UNORM
:
348 return R300_COLOR_FORMAT_ARGB8888
;
349 /* XXX Not in pipe_format
350 case PIPE_FORMAT_A32R32G32B32:
351 return R300_COLOR_FORMAT_ARGB32323232;
352 case PIPE_FORMAT_A16R16G16B16:
353 return R300_COLOR_FORMAT_ARGB16161616;
354 case PIPE_FORMAT_A10R10G10B10_UNORM:
355 return R500_COLOR_FORMAT_ARGB10101010;
356 case PIPE_FORMAT_A2R10G10B10_UNORM:
357 return R500_COLOR_FORMAT_ARGB2101010;
358 case PIPE_FORMAT_I10_UNORM:
359 return R500_COLOR_FORMAT_I10; */
361 debug_printf("r300: Implementation error: "
362 "Got unsupported color format %s in %s\n",
363 pf_name(format
), __FUNCTION__
);
370 /* Depthbuffer and stencilbuffer. Thankfully, we only support two flavors. */
371 static INLINE
uint32_t r300_translate_zsformat(enum pipe_format format
)
374 /* 16-bit depth, no stencil */
375 case PIPE_FORMAT_Z16_UNORM
:
376 return R300_DEPTHFORMAT_16BIT_INT_Z
;
377 /* 24-bit depth, ignored stencil */
378 case PIPE_FORMAT_Z24X8_UNORM
:
379 /* 24-bit depth, 8-bit stencil */
380 case PIPE_FORMAT_Z24S8_UNORM
:
381 return R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL
;
383 debug_printf("r300: Implementation error: "
384 "Got unsupported ZS format %s in %s\n",
385 pf_name(format
), __FUNCTION__
);
392 /* Shader output formats. This is essentially the swizzle from the shader
395 * Note that formats are stored from C3 to C0. */
396 static INLINE
uint32_t r300_translate_out_fmt(enum pipe_format format
)
399 case PIPE_FORMAT_A8R8G8B8_UNORM
:
400 case PIPE_FORMAT_X8R8G8B8_UNORM
:
402 case PIPE_FORMAT_Z24S8_UNORM
:
403 return R300_US_OUT_FMT_C4_8
|
404 R300_C0_SEL_B
| R300_C1_SEL_G
|
405 R300_C2_SEL_R
| R300_C3_SEL_A
;
406 case PIPE_FORMAT_R8G8B8A8_UNORM
:
407 case PIPE_FORMAT_R8G8B8X8_UNORM
:
408 return R300_US_OUT_FMT_C4_8
|
409 R300_C0_SEL_A
| R300_C1_SEL_B
|
410 R300_C2_SEL_G
| R300_C3_SEL_R
;
412 debug_printf("r300: Implementation error: "
413 "Got unsupported output format %s in %s\n",
414 pf_name(format
), __FUNCTION__
);
416 return R300_US_OUT_FMT_UNUSED
;
421 /* Non-CSO state. (For now.) */
423 static INLINE
uint32_t r300_translate_gb_pipes(int pipe_count
)
425 switch (pipe_count
) {
427 return R300_GB_TILE_PIPE_COUNT_RV300
;
430 return R300_GB_TILE_PIPE_COUNT_R300
;
433 return R300_GB_TILE_PIPE_COUNT_R420_3P
;
436 return R300_GB_TILE_PIPE_COUNT_R420
;
442 /* Utility function to count the number of components in RGBAZS formats.
443 * XXX should go to util or p_format.h */
444 static INLINE
unsigned pf_component_count(enum pipe_format format
) {
447 if (util_format_get_component_bits(format
, UTIL_FORMAT_COLORSPACE_RGB
, 0)) {
450 if (util_format_get_component_bits(format
, UTIL_FORMAT_COLORSPACE_RGB
, 1)) {
453 if (util_format_get_component_bits(format
, UTIL_FORMAT_COLORSPACE_RGB
, 2)) {
456 if (util_format_get_component_bits(format
, UTIL_FORMAT_COLORSPACE_RGB
, 3)) {
459 if (util_format_get_component_bits(format
, UTIL_FORMAT_COLORSPACE_ZS
, 0)) {
462 if (util_format_get_component_bits(format
, UTIL_FORMAT_COLORSPACE_ZS
, 1)) {
469 /* Translate pipe_formats into PSC vertex types. */
470 static INLINE
uint16_t
471 r300_translate_vertex_data_type(enum pipe_format format
) {
473 const struct util_format_description
*desc
;
474 unsigned components
= pf_component_count(format
);
476 desc
= util_format_description(format
);
478 if (desc
->layout
!= UTIL_FORMAT_LAYOUT_ARITH
&&
479 desc
->layout
!= UTIL_FORMAT_LAYOUT_ARRAY
) {
480 debug_printf("r300: Bad format %s in %s:%d\n", pf_name(format
),
481 __FUNCTION__
, __LINE__
);
485 switch (desc
->channel
[0].type
) {
486 /* Half-floats, floats, doubles */
487 case UTIL_FORMAT_TYPE_FLOAT
:
488 switch (util_format_get_component_bits(format
, UTIL_FORMAT_COLORSPACE_RGB
, 0)) {
490 result
= R300_DATA_TYPE_FLOAT_1
+ (components
- 1);
493 debug_printf("r300: Bad format %s in %s:%d\n",
494 pf_name(format
), __FUNCTION__
, __LINE__
);
499 case UTIL_FORMAT_TYPE_UNSIGNED
:
501 case UTIL_FORMAT_TYPE_SIGNED
:
502 switch (util_format_get_component_bits(format
, UTIL_FORMAT_COLORSPACE_RGB
, 0)) {
504 result
= R300_DATA_TYPE_BYTE
;
507 if (components
> 2) {
508 result
= R300_DATA_TYPE_SHORT_4
;
510 result
= R300_DATA_TYPE_SHORT_2
;
514 debug_printf("r300: Bad format %s in %s:%d\n",
515 pf_name(format
), __FUNCTION__
, __LINE__
);
516 debug_printf("r300: util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 0) == %d\n",
517 util_format_get_component_bits(format
, UTIL_FORMAT_COLORSPACE_RGB
, 0));
522 debug_printf("r300: Bad format %s in %s:%d\n",
523 pf_name(format
), __FUNCTION__
, __LINE__
);
527 if (desc
->channel
[0].type
== UTIL_FORMAT_TYPE_SIGNED
) {
528 result
|= R300_SIGNED
;
530 if (desc
->channel
[0].normalized
) {
531 result
|= R300_NORMALIZE
;
537 static INLINE
uint16_t
538 r300_translate_vertex_data_swizzle(enum pipe_format format
) {
539 const struct util_format_description
*desc
= util_format_description(format
);
540 unsigned swizzle
[4], i
;
544 if (desc
->layout
!= UTIL_FORMAT_LAYOUT_ARITH
&&
545 desc
->layout
!= UTIL_FORMAT_LAYOUT_ARRAY
) {
546 debug_printf("r300: Bad format %s in %s:%d\n",
547 pf_name(format
), __FUNCTION__
, __LINE__
);
551 /* Swizzles for 8bits formats are in the reversed order, not sure why. */
552 if (desc
->channel
[0].size
== 8) {
553 for (i
= 0; i
< 4; i
++) {
554 swizzle
[i
] = 3 - desc
->swizzle
[i
];
557 for (i
= 0; i
< 4; i
++) {
558 swizzle
[i
] = desc
->swizzle
[i
];
562 return ((swizzle
[0] << R300_SWIZZLE_SELECT_X_SHIFT
) |
563 (swizzle
[1] << R300_SWIZZLE_SELECT_Y_SHIFT
) |
564 (swizzle
[2] << R300_SWIZZLE_SELECT_Z_SHIFT
) |
565 (swizzle
[3] << R300_SWIZZLE_SELECT_W_SHIFT
) |
566 (0xf << R300_WRITE_ENA_SHIFT
));
569 #endif /* R300_STATE_INLINES_H */