2 * Copyright (c) 2012-2013 Etnaviv Project
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 * the rights to use, copy, modify, merge, publish, distribute, sub license,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the
12 * next paragraph) shall be included in all copies or substantial portions
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
23 /* inlined translation functions between gallium and vivante */
27 #include "pipe/p_defines.h"
28 #include "pipe/p_format.h"
29 #include "pipe/p_state.h"
31 #include "etnaviv_debug.h"
32 #include "etnaviv_format.h"
33 #include "etnaviv_util.h"
34 #include "hw/cmdstream.xml.h"
35 #include "hw/common_3d.xml.h"
36 #include "hw/state.xml.h"
37 #include "hw/state_3d.xml.h"
39 #include "util/u_format.h"
40 #include "util/u_math.h"
42 /* Returned when there is no match of pipe value to etna value */
43 #define ETNA_NO_MATCH (~0)
45 static inline uint32_t
46 translate_cull_face(unsigned cull_face
, unsigned front_ccw
)
50 return VIVS_PA_CONFIG_CULL_FACE_MODE_OFF
;
52 return front_ccw
? VIVS_PA_CONFIG_CULL_FACE_MODE_CW
53 : VIVS_PA_CONFIG_CULL_FACE_MODE_CCW
;
55 return front_ccw
? VIVS_PA_CONFIG_CULL_FACE_MODE_CCW
56 : VIVS_PA_CONFIG_CULL_FACE_MODE_CW
;
58 DBG("Unhandled cull face mode %i", cull_face
);
63 static inline uint32_t
64 translate_polygon_mode(unsigned polygon_mode
)
66 switch (polygon_mode
) {
67 case PIPE_POLYGON_MODE_FILL
:
68 return VIVS_PA_CONFIG_FILL_MODE_SOLID
;
69 case PIPE_POLYGON_MODE_LINE
:
70 return VIVS_PA_CONFIG_FILL_MODE_WIREFRAME
;
71 case PIPE_POLYGON_MODE_POINT
:
72 return VIVS_PA_CONFIG_FILL_MODE_POINT
;
74 DBG("Unhandled polygon mode %i", polygon_mode
);
79 static inline uint32_t
80 translate_stencil_mode(bool enable_0
, bool enable_1
)
83 return enable_1
? VIVS_PE_STENCIL_CONFIG_MODE_TWO_SIDED
84 : VIVS_PE_STENCIL_CONFIG_MODE_ONE_SIDED
;
86 return VIVS_PE_STENCIL_CONFIG_MODE_DISABLED
;
90 static inline uint32_t
91 translate_stencil_op(unsigned stencil_op
)
94 case PIPE_STENCIL_OP_KEEP
:
95 return STENCIL_OP_KEEP
;
96 case PIPE_STENCIL_OP_ZERO
:
97 return STENCIL_OP_ZERO
;
98 case PIPE_STENCIL_OP_REPLACE
:
99 return STENCIL_OP_REPLACE
;
100 case PIPE_STENCIL_OP_INCR
:
101 return STENCIL_OP_INCR
;
102 case PIPE_STENCIL_OP_DECR
:
103 return STENCIL_OP_DECR
;
104 case PIPE_STENCIL_OP_INCR_WRAP
:
105 return STENCIL_OP_INCR_WRAP
;
106 case PIPE_STENCIL_OP_DECR_WRAP
:
107 return STENCIL_OP_DECR_WRAP
;
108 case PIPE_STENCIL_OP_INVERT
:
109 return STENCIL_OP_INVERT
;
111 DBG("Unhandled stencil op: %i", stencil_op
);
112 return ETNA_NO_MATCH
;
116 static inline uint32_t
117 translate_blend(unsigned blend
)
122 case PIPE_BLEND_SUBTRACT
:
123 return BLEND_EQ_SUBTRACT
;
124 case PIPE_BLEND_REVERSE_SUBTRACT
:
125 return BLEND_EQ_REVERSE_SUBTRACT
;
131 DBG("Unhandled blend: %i", blend
);
132 return ETNA_NO_MATCH
;
136 static inline uint32_t
137 translate_blend_factor(unsigned blend_factor
)
139 switch (blend_factor
) {
140 case PIPE_BLENDFACTOR_ONE
:
141 return BLEND_FUNC_ONE
;
142 case PIPE_BLENDFACTOR_SRC_COLOR
:
143 return BLEND_FUNC_SRC_COLOR
;
144 case PIPE_BLENDFACTOR_SRC_ALPHA
:
145 return BLEND_FUNC_SRC_ALPHA
;
146 case PIPE_BLENDFACTOR_DST_ALPHA
:
147 return BLEND_FUNC_DST_ALPHA
;
148 case PIPE_BLENDFACTOR_DST_COLOR
:
149 return BLEND_FUNC_DST_COLOR
;
150 case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE
:
151 return BLEND_FUNC_SRC_ALPHA_SATURATE
;
152 case PIPE_BLENDFACTOR_CONST_COLOR
:
153 return BLEND_FUNC_CONSTANT_COLOR
;
154 case PIPE_BLENDFACTOR_CONST_ALPHA
:
155 return BLEND_FUNC_CONSTANT_ALPHA
;
156 case PIPE_BLENDFACTOR_ZERO
:
157 return BLEND_FUNC_ZERO
;
158 case PIPE_BLENDFACTOR_INV_SRC_COLOR
:
159 return BLEND_FUNC_ONE_MINUS_SRC_COLOR
;
160 case PIPE_BLENDFACTOR_INV_SRC_ALPHA
:
161 return BLEND_FUNC_ONE_MINUS_SRC_ALPHA
;
162 case PIPE_BLENDFACTOR_INV_DST_ALPHA
:
163 return BLEND_FUNC_ONE_MINUS_DST_ALPHA
;
164 case PIPE_BLENDFACTOR_INV_DST_COLOR
:
165 return BLEND_FUNC_ONE_MINUS_DST_COLOR
;
166 case PIPE_BLENDFACTOR_INV_CONST_COLOR
:
167 return BLEND_FUNC_ONE_MINUS_CONSTANT_COLOR
;
168 case PIPE_BLENDFACTOR_INV_CONST_ALPHA
:
169 return BLEND_FUNC_ONE_MINUS_CONSTANT_ALPHA
;
170 case PIPE_BLENDFACTOR_SRC1_COLOR
:
171 case PIPE_BLENDFACTOR_SRC1_ALPHA
:
172 case PIPE_BLENDFACTOR_INV_SRC1_COLOR
:
173 case PIPE_BLENDFACTOR_INV_SRC1_ALPHA
:
175 DBG("Unhandled blend factor: %i", blend_factor
);
176 return ETNA_NO_MATCH
;
180 static inline uint32_t
181 translate_texture_wrapmode(unsigned wrap
)
184 case PIPE_TEX_WRAP_REPEAT
:
185 return TEXTURE_WRAPMODE_REPEAT
;
186 case PIPE_TEX_WRAP_CLAMP
:
187 return TEXTURE_WRAPMODE_CLAMP_TO_EDGE
;
188 case PIPE_TEX_WRAP_CLAMP_TO_EDGE
:
189 return TEXTURE_WRAPMODE_CLAMP_TO_EDGE
;
190 case PIPE_TEX_WRAP_CLAMP_TO_BORDER
:
191 return TEXTURE_WRAPMODE_CLAMP_TO_EDGE
; /* XXX */
192 case PIPE_TEX_WRAP_MIRROR_REPEAT
:
193 return TEXTURE_WRAPMODE_MIRRORED_REPEAT
;
194 case PIPE_TEX_WRAP_MIRROR_CLAMP
:
195 return TEXTURE_WRAPMODE_MIRRORED_REPEAT
; /* XXX */
196 case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE
:
197 return TEXTURE_WRAPMODE_MIRRORED_REPEAT
; /* XXX */
198 case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER
:
199 return TEXTURE_WRAPMODE_MIRRORED_REPEAT
; /* XXX */
201 DBG("Unhandled texture wrapmode: %i", wrap
);
202 return ETNA_NO_MATCH
;
206 static inline uint32_t
207 translate_texture_mipfilter(unsigned filter
)
210 case PIPE_TEX_MIPFILTER_NEAREST
:
211 return TEXTURE_FILTER_NEAREST
;
212 case PIPE_TEX_MIPFILTER_LINEAR
:
213 return TEXTURE_FILTER_LINEAR
;
214 case PIPE_TEX_MIPFILTER_NONE
:
215 return TEXTURE_FILTER_NONE
;
217 DBG("Unhandled texture mipfilter: %i", filter
);
218 return ETNA_NO_MATCH
;
222 static inline uint32_t
223 translate_texture_filter(unsigned filter
)
226 case PIPE_TEX_FILTER_NEAREST
:
227 return TEXTURE_FILTER_NEAREST
;
228 case PIPE_TEX_FILTER_LINEAR
:
229 return TEXTURE_FILTER_LINEAR
;
230 /* What about anisotropic? */
232 DBG("Unhandled texture filter: %i", filter
);
233 return ETNA_NO_MATCH
;
237 /* return a RS "compatible" format for use when copying */
238 static inline enum pipe_format
239 etna_compatible_rs_format(enum pipe_format fmt
)
241 /* YUYV and UYVY are blocksize 4, but 2 bytes per pixel */
242 if (fmt
== PIPE_FORMAT_YUYV
|| fmt
== PIPE_FORMAT_UYVY
)
243 return PIPE_FORMAT_B4G4R4A4_UNORM
;
245 switch (util_format_get_blocksize(fmt
)) {
247 return PIPE_FORMAT_B4G4R4A4_UNORM
;
249 return PIPE_FORMAT_B8G8R8A8_UNORM
;
256 translate_rb_src_dst_swap(enum pipe_format src
, enum pipe_format dst
)
258 return translate_rs_format_rb_swap(src
) ^ translate_rs_format_rb_swap(dst
);
261 static inline uint32_t
262 translate_depth_format(enum pipe_format fmt
)
264 /* Note: Pipe format convention is LSB to MSB, VIVS is MSB to LSB */
266 case PIPE_FORMAT_Z16_UNORM
:
267 return VIVS_PE_DEPTH_CONFIG_DEPTH_FORMAT_D16
;
268 case PIPE_FORMAT_X8Z24_UNORM
:
269 return VIVS_PE_DEPTH_CONFIG_DEPTH_FORMAT_D24S8
;
270 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
271 return VIVS_PE_DEPTH_CONFIG_DEPTH_FORMAT_D24S8
;
273 return ETNA_NO_MATCH
;
277 /* render target format for MSAA */
278 static inline uint32_t
279 translate_msaa_format(enum pipe_format fmt
)
281 /* Note: Pipe format convention is LSB to MSB, VIVS is MSB to LSB */
283 case PIPE_FORMAT_B4G4R4X4_UNORM
:
284 return COLOR_COMPRESSION_FORMAT_A4R4G4B4
;
285 case PIPE_FORMAT_B4G4R4A4_UNORM
:
286 return COLOR_COMPRESSION_FORMAT_A4R4G4B4
;
287 case PIPE_FORMAT_B5G5R5X1_UNORM
:
288 return COLOR_COMPRESSION_FORMAT_A1R5G5B5
;
289 case PIPE_FORMAT_B5G5R5A1_UNORM
:
290 return COLOR_COMPRESSION_FORMAT_A1R5G5B5
;
291 case PIPE_FORMAT_B5G6R5_UNORM
:
292 return COLOR_COMPRESSION_FORMAT_R5G6B5
;
293 case PIPE_FORMAT_B8G8R8X8_UNORM
:
294 return COLOR_COMPRESSION_FORMAT_X8R8G8B8
;
295 case PIPE_FORMAT_B8G8R8A8_UNORM
:
296 return COLOR_COMPRESSION_FORMAT_A8R8G8B8
;
297 /* MSAA with YUYV not supported */
299 return ETNA_NO_MATCH
;
303 /* Return normalization flag for vertex element format */
304 static inline uint32_t
305 translate_vertex_format_normalize(enum pipe_format fmt
)
307 const struct util_format_description
*desc
= util_format_description(fmt
);
309 return VIVS_FE_VERTEX_ELEMENT_CONFIG_NORMALIZE_OFF
;
311 /* assumes that normalization of channel 0 holds for all channels;
312 * this holds for all vertex formats that we support */
313 return desc
->channel
[0].normalized
314 ? VIVS_FE_VERTEX_ELEMENT_CONFIG_NORMALIZE_ON
315 : VIVS_FE_VERTEX_ELEMENT_CONFIG_NORMALIZE_OFF
;
318 static inline uint32_t
319 translate_index_size(unsigned index_size
)
321 switch (index_size
) {
323 return VIVS_FE_INDEX_STREAM_CONTROL_TYPE_UNSIGNED_CHAR
;
325 return VIVS_FE_INDEX_STREAM_CONTROL_TYPE_UNSIGNED_SHORT
;
327 return VIVS_FE_INDEX_STREAM_CONTROL_TYPE_UNSIGNED_INT
;
329 DBG("Unhandled index size %i", index_size
);
330 return ETNA_NO_MATCH
;
334 static inline uint32_t
335 translate_draw_mode(unsigned mode
)
338 case PIPE_PRIM_POINTS
:
339 return PRIMITIVE_TYPE_POINTS
;
340 case PIPE_PRIM_LINES
:
341 return PRIMITIVE_TYPE_LINES
;
342 case PIPE_PRIM_LINE_LOOP
:
343 return PRIMITIVE_TYPE_LINE_LOOP
;
344 case PIPE_PRIM_LINE_STRIP
:
345 return PRIMITIVE_TYPE_LINE_STRIP
;
346 case PIPE_PRIM_TRIANGLES
:
347 return PRIMITIVE_TYPE_TRIANGLES
;
348 case PIPE_PRIM_TRIANGLE_STRIP
:
349 return PRIMITIVE_TYPE_TRIANGLE_STRIP
;
350 case PIPE_PRIM_TRIANGLE_FAN
:
351 return PRIMITIVE_TYPE_TRIANGLE_FAN
;
352 case PIPE_PRIM_QUADS
:
353 return PRIMITIVE_TYPE_QUADS
;
355 DBG("Unhandled draw mode primitive %i", mode
);
356 return ETNA_NO_MATCH
;
360 /* Get size multiple for size of texture/rendertarget with a certain layout
361 * This is affected by many different parameters:
362 * - A horizontal multiple of 16 is used when possible as resolve can be used
363 * at the cost of only a little bit extra memory usage.
364 * - If the surface is to be used with the resolve engine, set rs_align true.
365 * If set, a horizontal multiple of 16 will be used for tiled and linear,
366 * otherwise one of 16. However, such a surface will be incompatible
367 * with the samplers if the GPU does hot support the HALIGN feature.
368 * - If the surface is supertiled, horizontal and vertical multiple is always 64
369 * - If the surface is multi tiled or supertiled, make sure that the vertical size
370 * is a multiple of the number of pixel pipes as well.
373 etna_layout_multiple(unsigned layout
, unsigned pixel_pipes
, bool rs_align
,
374 unsigned *paddingX
, unsigned *paddingY
, unsigned *halign
)
377 case ETNA_LAYOUT_LINEAR
:
378 *paddingX
= rs_align
? 16 : 4;
380 *halign
= rs_align
? TEXTURE_HALIGN_SIXTEEN
: TEXTURE_HALIGN_FOUR
;
382 case ETNA_LAYOUT_TILED
:
383 *paddingX
= rs_align
? 16 : 4;
385 *halign
= rs_align
? TEXTURE_HALIGN_SIXTEEN
: TEXTURE_HALIGN_FOUR
;
387 case ETNA_LAYOUT_SUPER_TILED
:
390 *halign
= TEXTURE_HALIGN_SUPER_TILED
;
392 case ETNA_LAYOUT_MULTI_TILED
:
394 *paddingY
= 4 * pixel_pipes
;
395 *halign
= TEXTURE_HALIGN_SPLIT_TILED
;
397 case ETNA_LAYOUT_MULTI_SUPERTILED
:
399 *paddingY
= 64 * pixel_pipes
;
400 *halign
= TEXTURE_HALIGN_SPLIT_SUPER_TILED
;
403 DBG("Unhandled layout %i", layout
);
407 static inline void etna_adjust_rs_align(unsigned num_pixelpipes
,
408 unsigned *paddingX
, unsigned *paddingY
)
410 unsigned alignX
= ETNA_RS_WIDTH_MASK
+ 1;
411 unsigned alignY
= (ETNA_RS_HEIGHT_MASK
+ 1) * num_pixelpipes
;
414 *paddingX
= align(*paddingX
, alignX
);
416 *paddingY
= align(*paddingY
, alignY
);
419 static inline uint32_t
420 translate_clear_depth_stencil(enum pipe_format format
, float depth
,
423 uint32_t clear_value
= 0;
425 // XXX util_pack_color
427 case PIPE_FORMAT_Z16_UNORM
:
428 clear_value
= etna_cfloat_to_uintN(depth
, 16);
429 clear_value
|= clear_value
<< 16;
431 case PIPE_FORMAT_X8Z24_UNORM
:
432 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
433 clear_value
= (etna_cfloat_to_uintN(depth
, 24) << 8) | (stencil
& 0xFF);
436 DBG("Unhandled pipe format for depth stencil clear: %i", format
);
441 /* Convert MSAA number of samples to x and y scaling factor and
442 * VIVS_GL_MULTI_SAMPLE_CONFIG value.
443 * Return true if supported and false otherwise. */
445 translate_samples_to_xyscale(int num_samples
, int *xscale_out
, int *yscale_out
,
446 uint32_t *config_out
)
451 switch (num_samples
) {
456 config
= VIVS_GL_MULTI_SAMPLE_CONFIG_MSAA_SAMPLES_NONE
;
461 config
= VIVS_GL_MULTI_SAMPLE_CONFIG_MSAA_SAMPLES_2X
;
466 config
= VIVS_GL_MULTI_SAMPLE_CONFIG_MSAA_SAMPLES_4X
;
473 *xscale_out
= xscale
;
475 *yscale_out
= yscale
;
477 *config_out
= config
;