2 * Copyright (c) 2012-2015 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.
24 * Wladimir J. van der Laan <laanwj@gmail.com>
25 * Christian Gmeiner <christian.gmeiner@gmail.com>
28 #include "etnaviv_state.h"
30 #include "hw/common.xml.h"
32 #include "etnaviv_blend.h"
33 #include "etnaviv_clear_blit.h"
34 #include "etnaviv_context.h"
35 #include "etnaviv_format.h"
36 #include "etnaviv_shader.h"
37 #include "etnaviv_surface.h"
38 #include "etnaviv_translate.h"
39 #include "etnaviv_util.h"
40 #include "util/u_helpers.h"
41 #include "util/u_inlines.h"
42 #include "util/u_math.h"
43 #include "util/u_memory.h"
46 etna_set_stencil_ref(struct pipe_context
*pctx
, const struct pipe_stencil_ref
*sr
)
48 struct etna_context
*ctx
= etna_context(pctx
);
49 struct compiled_stencil_ref
*cs
= &ctx
->stencil_ref
;
51 ctx
->stencil_ref_s
= *sr
;
53 cs
->PE_STENCIL_CONFIG
= VIVS_PE_STENCIL_CONFIG_REF_FRONT(sr
->ref_value
[0]);
54 /* rest of bits weaved in from depth_stencil_alpha */
55 cs
->PE_STENCIL_CONFIG_EXT
=
56 VIVS_PE_STENCIL_CONFIG_EXT_REF_BACK(sr
->ref_value
[0]);
57 ctx
->dirty
|= ETNA_DIRTY_STENCIL_REF
;
61 etna_set_clip_state(struct pipe_context
*pctx
, const struct pipe_clip_state
*pcs
)
67 etna_set_sample_mask(struct pipe_context
*pctx
, unsigned sample_mask
)
69 struct etna_context
*ctx
= etna_context(pctx
);
71 ctx
->sample_mask
= sample_mask
;
72 ctx
->dirty
|= ETNA_DIRTY_SAMPLE_MASK
;
76 etna_set_constant_buffer(struct pipe_context
*pctx
,
77 enum pipe_shader_type shader
, uint index
,
78 const struct pipe_constant_buffer
*cb
)
80 struct etna_context
*ctx
= etna_context(pctx
);
82 if (unlikely(index
> 0)) {
83 DBG("Unhandled buffer index %i", index
);
88 util_copy_constant_buffer(&ctx
->constant_buffer
[shader
], cb
);
90 /* Note that the state tracker can unbind constant buffers by
91 * passing NULL here. */
95 /* there is no support for ARB_uniform_buffer_object */
96 assert(cb
->buffer
== NULL
&& cb
->user_buffer
!= NULL
);
98 ctx
->dirty
|= ETNA_DIRTY_CONSTBUF
;
102 etna_update_render_resource(struct pipe_context
*pctx
, struct pipe_resource
*pres
)
104 struct etna_resource
*res
= etna_resource(pres
);
106 if (res
->texture
&& etna_resource_older(res
, etna_resource(res
->texture
))) {
107 /* The render buffer is older than the texture buffer. Copy it over. */
108 etna_copy_resource(pctx
, pres
, res
->texture
, 0, pres
->last_level
);
109 res
->seqno
= etna_resource(res
->texture
)->seqno
;
114 etna_set_framebuffer_state(struct pipe_context
*pctx
,
115 const struct pipe_framebuffer_state
*sv
)
117 struct etna_context
*ctx
= etna_context(pctx
);
118 struct compiled_framebuffer_state
*cs
= &ctx
->framebuffer
;
119 int nr_samples_color
= -1;
120 int nr_samples_depth
= -1;
122 /* Set up TS as well. Warning: this state is used by both the RS and PE */
123 uint32_t ts_mem_config
= 0;
125 if (sv
->nr_cbufs
> 0) { /* at least one color buffer? */
126 struct etna_surface
*cbuf
= etna_surface(sv
->cbufs
[0]);
127 struct etna_resource
*res
= etna_resource(cbuf
->base
.texture
);
128 bool color_supertiled
= (res
->layout
& ETNA_LAYOUT_BIT_SUPER
) != 0;
130 assert(res
->layout
& ETNA_LAYOUT_BIT_TILE
); /* Cannot render to linear surfaces */
131 etna_update_render_resource(pctx
, cbuf
->base
.texture
);
133 pipe_surface_reference(&cs
->cbuf
, &cbuf
->base
);
134 cs
->PE_COLOR_FORMAT
=
135 VIVS_PE_COLOR_FORMAT_FORMAT(translate_rs_format(cbuf
->base
.format
)) |
136 VIVS_PE_COLOR_FORMAT_COMPONENTS__MASK
|
137 VIVS_PE_COLOR_FORMAT_OVERWRITE
|
138 COND(color_supertiled
, VIVS_PE_COLOR_FORMAT_SUPER_TILED
);
139 /* VIVS_PE_COLOR_FORMAT_COMPONENTS() and
140 * VIVS_PE_COLOR_FORMAT_OVERWRITE comes from blend_state
141 * but only if we set the bits above. */
142 /* merged with depth_stencil_alpha */
143 if ((cbuf
->surf
.offset
& 63) ||
144 (((cbuf
->surf
.stride
* 4) & 63) && cbuf
->surf
.height
> 4)) {
145 /* XXX Must make temporary surface here.
146 * Need the same mechanism on gc2000 when we want to do mipmap
148 * rendering to levels > 1 due to multitiled / tiled conversion. */
149 BUG("Alignment error, trying to render to offset %08x with tile "
151 cbuf
->surf
.offset
, cbuf
->surf
.stride
* 4);
154 if (ctx
->specs
.pixel_pipes
== 1) {
155 cs
->PE_COLOR_ADDR
= cbuf
->reloc
[0];
156 cs
->PE_COLOR_ADDR
.flags
= ETNA_RELOC_READ
| ETNA_RELOC_WRITE
;
158 /* Rendered textures must always be multi-tiled, or single-buffer mode must be supported */
159 assert((res
->layout
& ETNA_LAYOUT_BIT_MULTI
) || ctx
->specs
.single_buffer
);
160 for (int i
= 0; i
< ctx
->specs
.pixel_pipes
; i
++) {
161 cs
->PE_PIPE_COLOR_ADDR
[i
] = cbuf
->reloc
[i
];
162 cs
->PE_PIPE_COLOR_ADDR
[i
].flags
= ETNA_RELOC_READ
| ETNA_RELOC_WRITE
;
165 cs
->PE_COLOR_STRIDE
= cbuf
->surf
.stride
;
167 if (cbuf
->surf
.ts_size
) {
168 cs
->TS_COLOR_CLEAR_VALUE
= cbuf
->level
->clear_value
;
170 cs
->TS_COLOR_STATUS_BASE
= cbuf
->ts_reloc
;
171 cs
->TS_COLOR_STATUS_BASE
.flags
= ETNA_RELOC_READ
| ETNA_RELOC_WRITE
;
173 cs
->TS_COLOR_SURFACE_BASE
= cbuf
->reloc
[0];
174 cs
->TS_COLOR_SURFACE_BASE
.flags
= ETNA_RELOC_READ
| ETNA_RELOC_WRITE
;
178 if (cbuf
->base
.texture
->nr_samples
> 1)
180 VIVS_TS_MEM_CONFIG_MSAA
| translate_msaa_format(cbuf
->base
.format
);
182 nr_samples_color
= cbuf
->base
.texture
->nr_samples
;
184 pipe_surface_reference(&cs
->cbuf
, NULL
);
185 /* Clearing VIVS_PE_COLOR_FORMAT_COMPONENTS__MASK and
186 * VIVS_PE_COLOR_FORMAT_OVERWRITE prevents us from overwriting the
188 cs
->PE_COLOR_FORMAT
= 0;
189 cs
->PE_COLOR_STRIDE
= 0;
190 cs
->TS_COLOR_STATUS_BASE
.bo
= NULL
;
191 cs
->TS_COLOR_SURFACE_BASE
.bo
= NULL
;
193 for (int i
= 0; i
< ETNA_MAX_PIXELPIPES
; i
++)
194 cs
->PE_PIPE_COLOR_ADDR
[i
].bo
= NULL
;
197 if (sv
->zsbuf
!= NULL
) {
198 struct etna_surface
*zsbuf
= etna_surface(sv
->zsbuf
);
199 struct etna_resource
*res
= etna_resource(zsbuf
->base
.texture
);
201 etna_update_render_resource(pctx
, zsbuf
->base
.texture
);
203 pipe_surface_reference(&cs
->zsbuf
, &zsbuf
->base
);
204 assert(res
->layout
&ETNA_LAYOUT_BIT_TILE
); /* Cannot render to linear surfaces */
206 uint32_t depth_format
= translate_depth_format(zsbuf
->base
.format
);
207 unsigned depth_bits
=
208 depth_format
== VIVS_PE_DEPTH_CONFIG_DEPTH_FORMAT_D16
? 16 : 24;
209 bool depth_supertiled
= (res
->layout
& ETNA_LAYOUT_BIT_SUPER
) != 0;
211 cs
->PE_DEPTH_CONFIG
=
213 COND(depth_supertiled
, VIVS_PE_DEPTH_CONFIG_SUPER_TILED
) |
214 VIVS_PE_DEPTH_CONFIG_DEPTH_MODE_Z
;
215 /* VIVS_PE_DEPTH_CONFIG_ONLY_DEPTH */
216 /* merged with depth_stencil_alpha */
218 if (ctx
->specs
.pixel_pipes
== 1) {
219 cs
->PE_DEPTH_ADDR
= zsbuf
->reloc
[0];
220 cs
->PE_DEPTH_ADDR
.flags
= ETNA_RELOC_READ
| ETNA_RELOC_WRITE
;
222 for (int i
= 0; i
< ctx
->specs
.pixel_pipes
; i
++) {
223 cs
->PE_PIPE_DEPTH_ADDR
[i
] = zsbuf
->reloc
[i
];
224 cs
->PE_PIPE_DEPTH_ADDR
[i
].flags
= ETNA_RELOC_READ
| ETNA_RELOC_WRITE
;
228 cs
->PE_DEPTH_STRIDE
= zsbuf
->surf
.stride
;
229 cs
->PE_HDEPTH_CONTROL
= VIVS_PE_HDEPTH_CONTROL_FORMAT_DISABLED
;
230 cs
->PE_DEPTH_NORMALIZE
= fui(exp2f(depth_bits
) - 1.0f
);
232 if (zsbuf
->surf
.ts_size
) {
233 cs
->TS_DEPTH_CLEAR_VALUE
= zsbuf
->level
->clear_value
;
235 cs
->TS_DEPTH_STATUS_BASE
= zsbuf
->ts_reloc
;
236 cs
->TS_DEPTH_STATUS_BASE
.flags
= ETNA_RELOC_READ
| ETNA_RELOC_WRITE
;
238 cs
->TS_DEPTH_SURFACE_BASE
= zsbuf
->reloc
[0];
239 cs
->TS_DEPTH_SURFACE_BASE
.flags
= ETNA_RELOC_READ
| ETNA_RELOC_WRITE
;
242 ts_mem_config
|= COND(depth_bits
== 16, VIVS_TS_MEM_CONFIG_DEPTH_16BPP
);
245 if (zsbuf
->base
.texture
->nr_samples
> 1)
246 /* XXX VIVS_TS_MEM_CONFIG_DEPTH_COMPRESSION;
247 * Disable without MSAA for now, as it causes corruption in glquake. */
248 ts_mem_config
|= VIVS_TS_MEM_CONFIG_DEPTH_COMPRESSION
;
250 nr_samples_depth
= zsbuf
->base
.texture
->nr_samples
;
252 pipe_surface_reference(&cs
->zsbuf
, NULL
);
253 cs
->PE_DEPTH_CONFIG
= VIVS_PE_DEPTH_CONFIG_DEPTH_MODE_NONE
;
254 cs
->PE_DEPTH_ADDR
.bo
= NULL
;
255 cs
->PE_DEPTH_STRIDE
= 0;
256 cs
->TS_DEPTH_STATUS_BASE
.bo
= NULL
;
257 cs
->TS_DEPTH_SURFACE_BASE
.bo
= NULL
;
259 for (int i
= 0; i
< ETNA_MAX_PIXELPIPES
; i
++)
260 cs
->PE_PIPE_DEPTH_ADDR
[i
].bo
= NULL
;
264 if (nr_samples_depth
!= -1 && nr_samples_color
!= -1 &&
265 nr_samples_depth
!= nr_samples_color
) {
266 BUG("Number of samples in color and depth texture must match (%i and %i respectively)",
267 nr_samples_color
, nr_samples_depth
);
270 switch (MAX2(nr_samples_depth
, nr_samples_color
)) {
272 case 1: /* Are 0 and 1 samples allowed? */
273 cs
->GL_MULTI_SAMPLE_CONFIG
=
274 VIVS_GL_MULTI_SAMPLE_CONFIG_MSAA_SAMPLES_NONE
;
275 cs
->msaa_mode
= false;
278 cs
->GL_MULTI_SAMPLE_CONFIG
= VIVS_GL_MULTI_SAMPLE_CONFIG_MSAA_SAMPLES_2X
;
279 cs
->msaa_mode
= true; /* Add input to PS */
280 cs
->RA_MULTISAMPLE_UNK00E04
= 0x0;
281 cs
->RA_MULTISAMPLE_UNK00E10
[0] = 0x0000aa22;
282 cs
->RA_CENTROID_TABLE
[0] = 0x66aa2288;
283 cs
->RA_CENTROID_TABLE
[1] = 0x88558800;
284 cs
->RA_CENTROID_TABLE
[2] = 0x88881100;
285 cs
->RA_CENTROID_TABLE
[3] = 0x33888800;
288 cs
->GL_MULTI_SAMPLE_CONFIG
= VIVS_GL_MULTI_SAMPLE_CONFIG_MSAA_SAMPLES_4X
;
289 cs
->msaa_mode
= true; /* Add input to PS */
290 cs
->RA_MULTISAMPLE_UNK00E04
= 0x0;
291 cs
->RA_MULTISAMPLE_UNK00E10
[0] = 0xeaa26e26;
292 cs
->RA_MULTISAMPLE_UNK00E10
[1] = 0xe6ae622a;
293 cs
->RA_MULTISAMPLE_UNK00E10
[2] = 0xaaa22a22;
294 cs
->RA_CENTROID_TABLE
[0] = 0x4a6e2688;
295 cs
->RA_CENTROID_TABLE
[1] = 0x888888a2;
296 cs
->RA_CENTROID_TABLE
[2] = 0x888888ea;
297 cs
->RA_CENTROID_TABLE
[3] = 0x888888c6;
298 cs
->RA_CENTROID_TABLE
[4] = 0x46622a88;
299 cs
->RA_CENTROID_TABLE
[5] = 0x888888ae;
300 cs
->RA_CENTROID_TABLE
[6] = 0x888888e6;
301 cs
->RA_CENTROID_TABLE
[7] = 0x888888ca;
302 cs
->RA_CENTROID_TABLE
[8] = 0x262a2288;
303 cs
->RA_CENTROID_TABLE
[9] = 0x886688a2;
304 cs
->RA_CENTROID_TABLE
[10] = 0x888866aa;
305 cs
->RA_CENTROID_TABLE
[11] = 0x668888a6;
310 cs
->SE_SCISSOR_LEFT
= 0; /* affected by rasterizer and scissor state as well */
311 cs
->SE_SCISSOR_TOP
= 0;
312 cs
->SE_SCISSOR_RIGHT
= (sv
->width
<< 16) + ETNA_SE_SCISSOR_MARGIN_RIGHT
;
313 cs
->SE_SCISSOR_BOTTOM
= (sv
->height
<< 16) + ETNA_SE_SCISSOR_MARGIN_BOTTOM
;
314 cs
->SE_CLIP_RIGHT
= (sv
->width
<< 16) + ETNA_SE_CLIP_MARGIN_RIGHT
;
315 cs
->SE_CLIP_BOTTOM
= (sv
->height
<< 16) + ETNA_SE_CLIP_MARGIN_BOTTOM
;
317 cs
->TS_MEM_CONFIG
= ts_mem_config
;
319 /* Single buffer setup. There is only one switch for this, not a separate
320 * one per color buffer / depth buffer. To keep the logic simple always use
321 * single buffer when this feature is available.
323 cs
->PE_LOGIC_OP
= VIVS_PE_LOGIC_OP_SINGLE_BUFFER(ctx
->specs
.single_buffer
? 2 : 0);
325 ctx
->framebuffer_s
= *sv
; /* keep copy of original structure */
326 ctx
->dirty
|= ETNA_DIRTY_FRAMEBUFFER
| ETNA_DIRTY_DERIVE_TS
;
330 etna_set_polygon_stipple(struct pipe_context
*pctx
,
331 const struct pipe_poly_stipple
*stipple
)
337 etna_set_scissor_states(struct pipe_context
*pctx
, unsigned start_slot
,
338 unsigned num_scissors
, const struct pipe_scissor_state
*ss
)
340 struct etna_context
*ctx
= etna_context(pctx
);
341 struct compiled_scissor_state
*cs
= &ctx
->scissor
;
342 assert(ss
->minx
<= ss
->maxx
);
343 assert(ss
->miny
<= ss
->maxy
);
345 /* note that this state is only used when rasterizer_state->scissor is on */
346 ctx
->scissor_s
= *ss
;
347 cs
->SE_SCISSOR_LEFT
= (ss
->minx
<< 16);
348 cs
->SE_SCISSOR_TOP
= (ss
->miny
<< 16);
349 cs
->SE_SCISSOR_RIGHT
= (ss
->maxx
<< 16) + ETNA_SE_SCISSOR_MARGIN_RIGHT
;
350 cs
->SE_SCISSOR_BOTTOM
= (ss
->maxy
<< 16) + ETNA_SE_SCISSOR_MARGIN_BOTTOM
;
351 cs
->SE_CLIP_RIGHT
= (ss
->maxx
<< 16) + ETNA_SE_CLIP_MARGIN_RIGHT
;
352 cs
->SE_CLIP_BOTTOM
= (ss
->maxy
<< 16) + ETNA_SE_CLIP_MARGIN_BOTTOM
;
354 ctx
->dirty
|= ETNA_DIRTY_SCISSOR
;
358 etna_set_viewport_states(struct pipe_context
*pctx
, unsigned start_slot
,
359 unsigned num_scissors
, const struct pipe_viewport_state
*vs
)
361 struct etna_context
*ctx
= etna_context(pctx
);
362 struct compiled_viewport_state
*cs
= &ctx
->viewport
;
364 ctx
->viewport_s
= *vs
;
366 * For Vivante GPU, viewport z transformation is 0..1 to 0..1 instead of
368 * scaling and translation to 0..1 already happened, so remove that
370 * z' = (z * 2 - 1) * scale + translate
371 * = z * (2 * scale) + (translate - scale)
374 * translate' = translate - scale
377 /* must be fixp as v4 state deltas assume it is */
378 cs
->PA_VIEWPORT_SCALE_X
= etna_f32_to_fixp16(vs
->scale
[0]);
379 cs
->PA_VIEWPORT_SCALE_Y
= etna_f32_to_fixp16(vs
->scale
[1]);
380 cs
->PA_VIEWPORT_SCALE_Z
= fui(vs
->scale
[2] * 2.0f
);
381 cs
->PA_VIEWPORT_OFFSET_X
= etna_f32_to_fixp16(vs
->translate
[0]);
382 cs
->PA_VIEWPORT_OFFSET_Y
= etna_f32_to_fixp16(vs
->translate
[1]);
383 cs
->PA_VIEWPORT_OFFSET_Z
= fui(vs
->translate
[2] - vs
->scale
[2]);
385 /* Compute scissor rectangle (fixp) from viewport.
386 * Make sure left is always < right and top always < bottom.
388 cs
->SE_SCISSOR_LEFT
= etna_f32_to_fixp16(MAX2(vs
->translate
[0] - fabsf(vs
->scale
[0]), 0.0f
));
389 cs
->SE_SCISSOR_TOP
= etna_f32_to_fixp16(MAX2(vs
->translate
[1] - fabsf(vs
->scale
[1]), 0.0f
));
390 uint32_t right_fixp
= etna_f32_to_fixp16(MAX2(vs
->translate
[0] + fabsf(vs
->scale
[0]), 0.0f
));
391 uint32_t bottom_fixp
= etna_f32_to_fixp16(MAX2(vs
->translate
[1] + fabsf(vs
->scale
[1]), 0.0f
));
392 cs
->SE_SCISSOR_RIGHT
= right_fixp
+ ETNA_SE_SCISSOR_MARGIN_RIGHT
;
393 cs
->SE_SCISSOR_BOTTOM
= bottom_fixp
+ ETNA_SE_SCISSOR_MARGIN_BOTTOM
;
394 cs
->SE_CLIP_RIGHT
= right_fixp
+ ETNA_SE_CLIP_MARGIN_RIGHT
;
395 cs
->SE_CLIP_BOTTOM
= bottom_fixp
+ ETNA_SE_CLIP_MARGIN_BOTTOM
;
397 cs
->PE_DEPTH_NEAR
= fui(0.0); /* not affected if depth mode is Z (as in GL) */
398 cs
->PE_DEPTH_FAR
= fui(1.0);
399 ctx
->dirty
|= ETNA_DIRTY_VIEWPORT
;
403 etna_set_vertex_buffers(struct pipe_context
*pctx
, unsigned start_slot
,
404 unsigned num_buffers
, const struct pipe_vertex_buffer
*vb
)
406 struct etna_context
*ctx
= etna_context(pctx
);
407 struct etna_vertexbuf_state
*so
= &ctx
->vertex_buffer
;
409 util_set_vertex_buffers_mask(so
->vb
, &so
->enabled_mask
, vb
, start_slot
, num_buffers
);
410 so
->count
= util_last_bit(so
->enabled_mask
);
412 for (unsigned idx
= start_slot
; idx
< start_slot
+ num_buffers
; ++idx
) {
413 struct compiled_set_vertex_buffer
*cs
= &so
->cvb
[idx
];
414 struct pipe_vertex_buffer
*vbi
= &so
->vb
[idx
];
416 assert(!vbi
->is_user_buffer
); /* XXX support user_buffer using
419 if (vbi
->buffer
.resource
) { /* GPU buffer */
420 cs
->FE_VERTEX_STREAM_BASE_ADDR
.bo
= etna_resource(vbi
->buffer
.resource
)->bo
;
421 cs
->FE_VERTEX_STREAM_BASE_ADDR
.offset
= vbi
->buffer_offset
;
422 cs
->FE_VERTEX_STREAM_BASE_ADDR
.flags
= ETNA_RELOC_READ
;
423 cs
->FE_VERTEX_STREAM_CONTROL
=
424 FE_VERTEX_STREAM_CONTROL_VERTEX_STRIDE(vbi
->stride
);
426 cs
->FE_VERTEX_STREAM_BASE_ADDR
.bo
= NULL
;
427 cs
->FE_VERTEX_STREAM_CONTROL
= 0;
431 ctx
->dirty
|= ETNA_DIRTY_VERTEX_BUFFERS
;
435 etna_blend_state_bind(struct pipe_context
*pctx
, void *bs
)
437 struct etna_context
*ctx
= etna_context(pctx
);
440 ctx
->dirty
|= ETNA_DIRTY_BLEND
;
444 etna_blend_state_delete(struct pipe_context
*pctx
, void *bs
)
450 etna_rasterizer_state_bind(struct pipe_context
*pctx
, void *rs
)
452 struct etna_context
*ctx
= etna_context(pctx
);
454 ctx
->rasterizer
= rs
;
455 ctx
->dirty
|= ETNA_DIRTY_RASTERIZER
;
459 etna_rasterizer_state_delete(struct pipe_context
*pctx
, void *rs
)
465 etna_zsa_state_bind(struct pipe_context
*pctx
, void *zs
)
467 struct etna_context
*ctx
= etna_context(pctx
);
470 ctx
->dirty
|= ETNA_DIRTY_ZSA
;
474 etna_zsa_state_delete(struct pipe_context
*pctx
, void *zs
)
479 /** Create vertex element states, which define a layout for fetching
480 * vertices for rendering.
483 etna_vertex_elements_state_create(struct pipe_context
*pctx
,
484 unsigned num_elements
, const struct pipe_vertex_element
*elements
)
486 struct etna_context
*ctx
= etna_context(pctx
);
487 struct compiled_vertex_elements_state
*cs
= CALLOC_STRUCT(compiled_vertex_elements_state
);
492 if (num_elements
> ctx
->specs
.vertex_max_elements
) {
493 BUG("number of elements (%u) exceeds chip maximum (%u)", num_elements
,
494 ctx
->specs
.vertex_max_elements
);
498 /* XXX could minimize number of consecutive stretches here by sorting, and
499 * permuting the inputs in shader or does Mesa do this already? */
501 /* Check that vertex element binding is compatible with hardware; thus
502 * elements[idx].vertex_buffer_index are < stream_count. If not, the binding
503 * uses more streams than is supported, and u_vbuf should have done some
504 * reorganization for compatibility. */
506 /* TODO: does mesa this for us? */
507 bool incompatible
= false;
508 for (unsigned idx
= 0; idx
< num_elements
; ++idx
) {
509 if (elements
[idx
].vertex_buffer_index
>= ctx
->specs
.stream_count
|| elements
[idx
].instance_divisor
> 0)
513 cs
->num_elements
= num_elements
;
514 if (incompatible
|| num_elements
== 0) {
515 DBG("Error: zero vertex elements, or more vertex buffers used than supported");
520 unsigned start_offset
= 0; /* start of current consecutive stretch */
521 bool nonconsecutive
= true; /* previous value of nonconsecutive */
523 for (unsigned idx
= 0; idx
< num_elements
; ++idx
) {
524 unsigned element_size
= util_format_get_blocksize(elements
[idx
].src_format
);
525 unsigned end_offset
= elements
[idx
].src_offset
+ element_size
;
526 uint32_t format_type
, normalize
;
529 start_offset
= elements
[idx
].src_offset
;
531 /* maximum vertex size is 256 bytes */
532 assert(element_size
!= 0 && end_offset
<= 256);
534 /* check whether next element is consecutive to this one */
535 nonconsecutive
= (idx
== (num_elements
- 1)) ||
536 elements
[idx
+ 1].vertex_buffer_index
!= elements
[idx
].vertex_buffer_index
||
537 end_offset
!= elements
[idx
+ 1].src_offset
;
539 format_type
= translate_vertex_format_type(elements
[idx
].src_format
);
540 normalize
= translate_vertex_format_normalize(elements
[idx
].src_format
);
542 assert(format_type
!= ETNA_NO_MATCH
);
543 assert(normalize
!= ETNA_NO_MATCH
);
545 cs
->FE_VERTEX_ELEMENT_CONFIG
[idx
] =
546 COND(nonconsecutive
, VIVS_FE_VERTEX_ELEMENT_CONFIG_NONCONSECUTIVE
) |
548 VIVS_FE_VERTEX_ELEMENT_CONFIG_NUM(util_format_get_nr_components(elements
[idx
].src_format
)) |
549 normalize
| VIVS_FE_VERTEX_ELEMENT_CONFIG_ENDIAN(ENDIAN_MODE_NO_SWAP
) |
550 VIVS_FE_VERTEX_ELEMENT_CONFIG_STREAM(elements
[idx
].vertex_buffer_index
) |
551 VIVS_FE_VERTEX_ELEMENT_CONFIG_START(elements
[idx
].src_offset
) |
552 VIVS_FE_VERTEX_ELEMENT_CONFIG_END(end_offset
- start_offset
);
559 etna_vertex_elements_state_delete(struct pipe_context
*pctx
, void *ve
)
565 etna_vertex_elements_state_bind(struct pipe_context
*pctx
, void *ve
)
567 struct etna_context
*ctx
= etna_context(pctx
);
569 ctx
->vertex_elements
= ve
;
570 ctx
->dirty
|= ETNA_DIRTY_VERTEX_ELEMENTS
;
574 etna_update_ts_config(struct etna_context
*ctx
)
576 uint32_t new_ts_config
= ctx
->framebuffer
.TS_MEM_CONFIG
;
578 if (ctx
->framebuffer_s
.nr_cbufs
> 0) {
579 struct etna_surface
*c_surf
= etna_surface(ctx
->framebuffer_s
.cbufs
[0]);
581 if(c_surf
->level
->ts_size
&& c_surf
->level
->ts_valid
) {
582 new_ts_config
|= VIVS_TS_MEM_CONFIG_COLOR_FAST_CLEAR
;
584 new_ts_config
&= ~VIVS_TS_MEM_CONFIG_COLOR_FAST_CLEAR
;
588 if (ctx
->framebuffer_s
.zsbuf
) {
589 struct etna_surface
*zs_surf
= etna_surface(ctx
->framebuffer_s
.zsbuf
);
591 if(zs_surf
->level
->ts_size
&& zs_surf
->level
->ts_valid
) {
592 new_ts_config
|= VIVS_TS_MEM_CONFIG_DEPTH_FAST_CLEAR
;
594 new_ts_config
&= ~VIVS_TS_MEM_CONFIG_DEPTH_FAST_CLEAR
;
598 if (new_ts_config
!= ctx
->framebuffer
.TS_MEM_CONFIG
) {
599 ctx
->framebuffer
.TS_MEM_CONFIG
= new_ts_config
;
600 ctx
->dirty
|= ETNA_DIRTY_TS
;
603 ctx
->dirty
&= ~ETNA_DIRTY_DERIVE_TS
;
608 struct etna_state_updater
{
609 bool (*update
)(struct etna_context
*ctx
);
613 static const struct etna_state_updater etna_state_updates
[] = {
615 etna_shader_update_vertex
, ETNA_DIRTY_SHADER
| ETNA_DIRTY_VERTEX_ELEMENTS
,
618 etna_shader_link
, ETNA_DIRTY_SHADER
,
621 etna_update_blend
, ETNA_DIRTY_BLEND
| ETNA_DIRTY_FRAMEBUFFER
624 etna_update_blend_color
, ETNA_DIRTY_BLEND_COLOR
| ETNA_DIRTY_FRAMEBUFFER
,
627 etna_update_ts_config
, ETNA_DIRTY_DERIVE_TS
,
632 etna_state_update(struct etna_context
*ctx
)
634 for (unsigned int i
= 0; i
< ARRAY_SIZE(etna_state_updates
); i
++)
635 if (ctx
->dirty
& etna_state_updates
[i
].dirty
)
636 if (!etna_state_updates
[i
].update(ctx
))
643 etna_state_init(struct pipe_context
*pctx
)
645 pctx
->set_blend_color
= etna_set_blend_color
;
646 pctx
->set_stencil_ref
= etna_set_stencil_ref
;
647 pctx
->set_clip_state
= etna_set_clip_state
;
648 pctx
->set_sample_mask
= etna_set_sample_mask
;
649 pctx
->set_constant_buffer
= etna_set_constant_buffer
;
650 pctx
->set_framebuffer_state
= etna_set_framebuffer_state
;
651 pctx
->set_polygon_stipple
= etna_set_polygon_stipple
;
652 pctx
->set_scissor_states
= etna_set_scissor_states
;
653 pctx
->set_viewport_states
= etna_set_viewport_states
;
655 pctx
->set_vertex_buffers
= etna_set_vertex_buffers
;
657 pctx
->bind_blend_state
= etna_blend_state_bind
;
658 pctx
->delete_blend_state
= etna_blend_state_delete
;
660 pctx
->bind_rasterizer_state
= etna_rasterizer_state_bind
;
661 pctx
->delete_rasterizer_state
= etna_rasterizer_state_delete
;
663 pctx
->bind_depth_stencil_alpha_state
= etna_zsa_state_bind
;
664 pctx
->delete_depth_stencil_alpha_state
= etna_zsa_state_delete
;
666 pctx
->create_vertex_elements_state
= etna_vertex_elements_state_create
;
667 pctx
->delete_vertex_elements_state
= etna_vertex_elements_state_delete
;
668 pctx
->bind_vertex_elements_state
= etna_vertex_elements_state_bind
;