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_context.h"
30 #include "etnaviv_blend.h"
31 #include "etnaviv_clear_blit.h"
32 #include "etnaviv_compiler.h"
33 #include "etnaviv_debug.h"
34 #include "etnaviv_emit.h"
35 #include "etnaviv_fence.h"
36 #include "etnaviv_query.h"
37 #include "etnaviv_query_hw.h"
38 #include "etnaviv_rasterizer.h"
39 #include "etnaviv_screen.h"
40 #include "etnaviv_shader.h"
41 #include "etnaviv_state.h"
42 #include "etnaviv_surface.h"
43 #include "etnaviv_texture.h"
44 #include "etnaviv_transfer.h"
45 #include "etnaviv_translate.h"
46 #include "etnaviv_zsa.h"
48 #include "pipe/p_context.h"
49 #include "pipe/p_state.h"
50 #include "util/u_blitter.h"
51 #include "util/u_helpers.h"
52 #include "util/u_memory.h"
53 #include "util/u_prim.h"
54 #include "util/u_upload_mgr.h"
56 #include "hw/common.xml.h"
59 etna_context_destroy(struct pipe_context
*pctx
)
61 struct etna_context
*ctx
= etna_context(pctx
);
64 util_primconvert_destroy(ctx
->primconvert
);
67 util_blitter_destroy(ctx
->blitter
);
69 if (pctx
->stream_uploader
)
70 u_upload_destroy(pctx
->stream_uploader
);
73 etna_cmd_stream_del(ctx
->stream
);
75 slab_destroy_child(&ctx
->transfer_pool
);
77 if (ctx
->in_fence_fd
!= -1)
78 close(ctx
->in_fence_fd
);
83 /* Update render state where needed based on draw operation */
85 etna_update_state_for_draw(struct etna_context
*ctx
, const struct pipe_draw_info
*info
)
87 /* Handle primitive restart:
88 * - If not an indexed draw, we don't care about the state of the primitive restart bit.
89 * - Otherwise, set the bit in INDEX_STREAM_CONTROL in the index buffer state
91 * - If the value of the INDEX_STREAM_CONTROL register changed due to this, or
92 * primitive restart is enabled and the restart index changed, mark the index
93 * buffer state as dirty
96 if (info
->index_size
) {
97 uint32_t new_control
= ctx
->index_buffer
.FE_INDEX_STREAM_CONTROL
;
99 if (info
->primitive_restart
)
100 new_control
|= VIVS_FE_INDEX_STREAM_CONTROL_PRIMITIVE_RESTART
;
102 new_control
&= ~VIVS_FE_INDEX_STREAM_CONTROL_PRIMITIVE_RESTART
;
104 if (ctx
->index_buffer
.FE_INDEX_STREAM_CONTROL
!= new_control
||
105 (info
->primitive_restart
&& ctx
->index_buffer
.FE_PRIMITIVE_RESTART_INDEX
!= info
->restart_index
)) {
106 ctx
->index_buffer
.FE_INDEX_STREAM_CONTROL
= new_control
;
107 ctx
->index_buffer
.FE_PRIMITIVE_RESTART_INDEX
= info
->restart_index
;
108 ctx
->dirty
|= ETNA_DIRTY_INDEX_BUFFER
;
114 etna_get_vs(struct etna_context
*ctx
, struct etna_shader_key key
)
116 const struct etna_shader_variant
*old
= ctx
->shader
.vs
;
118 ctx
->shader
.vs
= etna_shader_variant(ctx
->shader
.bind_vs
, key
, &ctx
->debug
);
123 if (old
!= ctx
->shader
.vs
)
124 ctx
->dirty
|= ETNA_DIRTY_SHADER
;
130 etna_get_fs(struct etna_context
*ctx
, struct etna_shader_key key
)
132 const struct etna_shader_variant
*old
= ctx
->shader
.fs
;
134 ctx
->shader
.fs
= etna_shader_variant(ctx
->shader
.bind_fs
, key
, &ctx
->debug
);
139 if (old
!= ctx
->shader
.fs
)
140 ctx
->dirty
|= ETNA_DIRTY_SHADER
;
146 etna_draw_vbo(struct pipe_context
*pctx
, const struct pipe_draw_info
*info
)
148 struct etna_context
*ctx
= etna_context(pctx
);
149 struct pipe_framebuffer_state
*pfb
= &ctx
->framebuffer_s
;
153 if (!info
->count_from_stream_output
&& !info
->indirect
&&
154 !info
->primitive_restart
&&
155 !u_trim_pipe_prim(info
->mode
, (unsigned*)&info
->count
))
158 if (ctx
->vertex_elements
== NULL
|| ctx
->vertex_elements
->num_elements
== 0)
159 return; /* Nothing to do */
161 if (!(ctx
->prim_hwsupport
& (1 << info
->mode
))) {
162 struct primconvert_context
*primconvert
= ctx
->primconvert
;
163 util_primconvert_save_rasterizer_state(primconvert
, ctx
->rasterizer
);
164 util_primconvert_draw_vbo(primconvert
, info
);
168 int prims
= u_decomposed_prims_for_vertices(info
->mode
, info
->count
);
169 if (unlikely(prims
<= 0)) {
170 DBG("Invalid draw primitive mode=%i or no primitives to be drawn", info
->mode
);
174 draw_mode
= translate_draw_mode(info
->mode
);
175 if (draw_mode
== ETNA_NO_MATCH
) {
176 BUG("Unsupported draw mode");
180 /* Upload a user index buffer. */
181 unsigned index_offset
= 0;
182 struct pipe_resource
*indexbuf
= NULL
;
184 if (info
->index_size
) {
185 indexbuf
= info
->has_user_indices
? NULL
: info
->index
.resource
;
186 if (info
->has_user_indices
&&
187 !util_upload_index_buffer(pctx
, info
, &indexbuf
, &index_offset
)) {
188 BUG("Index buffer upload failed.");
191 /* Add start to index offset, when rendering indexed */
192 index_offset
+= info
->start
* info
->index_size
;
194 ctx
->index_buffer
.FE_INDEX_STREAM_BASE_ADDR
.bo
= etna_resource(indexbuf
)->bo
;
195 ctx
->index_buffer
.FE_INDEX_STREAM_BASE_ADDR
.offset
= index_offset
;
196 ctx
->index_buffer
.FE_INDEX_STREAM_BASE_ADDR
.flags
= ETNA_RELOC_READ
;
197 ctx
->index_buffer
.FE_INDEX_STREAM_CONTROL
= translate_index_size(info
->index_size
);
199 if (!ctx
->index_buffer
.FE_INDEX_STREAM_BASE_ADDR
.bo
) {
200 BUG("Unsupported or no index buffer");
204 ctx
->index_buffer
.FE_INDEX_STREAM_BASE_ADDR
.bo
= 0;
205 ctx
->index_buffer
.FE_INDEX_STREAM_BASE_ADDR
.offset
= 0;
206 ctx
->index_buffer
.FE_INDEX_STREAM_BASE_ADDR
.flags
= 0;
207 ctx
->index_buffer
.FE_INDEX_STREAM_CONTROL
= 0;
209 ctx
->dirty
|= ETNA_DIRTY_INDEX_BUFFER
;
211 struct etna_shader_key key
= {};
212 struct etna_surface
*cbuf
= etna_surface(pfb
->cbufs
[0]);
215 struct etna_resource
*res
= etna_resource(cbuf
->base
.texture
);
217 key
.frag_rb_swap
= !!translate_rs_format_rb_swap(res
->base
.format
);
220 if (!etna_get_vs(ctx
, key
) || !etna_get_fs(ctx
, key
)) {
221 BUG("compiled shaders are not okay");
225 /* Update any derived state */
226 if (!etna_state_update(ctx
))
230 * Figure out the buffers/features we need:
232 if (etna_depth_enabled(ctx
))
233 resource_written(ctx
, pfb
->zsbuf
->texture
);
235 if (etna_stencil_enabled(ctx
))
236 resource_written(ctx
, pfb
->zsbuf
->texture
);
238 for (i
= 0; i
< pfb
->nr_cbufs
; i
++) {
239 struct pipe_resource
*surf
;
244 surf
= pfb
->cbufs
[i
]->texture
;
245 resource_written(ctx
, surf
);
248 /* Mark constant buffers as being read */
249 resource_read(ctx
, ctx
->constant_buffer
[PIPE_SHADER_VERTEX
].buffer
);
250 resource_read(ctx
, ctx
->constant_buffer
[PIPE_SHADER_FRAGMENT
].buffer
);
252 /* Mark VBOs as being read */
253 for (i
= 0; i
< ctx
->vertex_buffer
.count
; i
++) {
254 assert(!ctx
->vertex_buffer
.vb
[i
].is_user_buffer
);
255 resource_read(ctx
, ctx
->vertex_buffer
.vb
[i
].buffer
.resource
);
258 /* Mark index buffer as being read */
259 resource_read(ctx
, indexbuf
);
261 /* Mark textures as being read */
262 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++)
263 if (ctx
->sampler_view
[i
])
264 resource_read(ctx
, ctx
->sampler_view
[i
]->texture
);
266 list_for_each_entry(struct etna_hw_query
, hq
, &ctx
->active_hw_queries
, node
)
267 resource_written(ctx
, hq
->prsc
);
269 ctx
->stats
.prims_emitted
+= u_reduced_prims_for_vertices(info
->mode
, info
->count
);
270 ctx
->stats
.draw_calls
++;
272 /* Update state for this draw operation */
273 etna_update_state_for_draw(ctx
, info
);
275 /* First, sync state, then emit DRAW_PRIMITIVES or DRAW_INDEXED_PRIMITIVES */
276 etna_emit_state(ctx
);
278 if (ctx
->specs
.halti
>= 2) {
279 /* On HALTI2+ (GC3000 and higher) only use instanced drawing commands, as the blob does */
280 etna_draw_instanced(ctx
->stream
, info
->index_size
, draw_mode
, 1,
281 info
->count
, info
->index_size
? info
->index_bias
: info
->start
);
283 if (info
->index_size
)
284 etna_draw_indexed_primitives(ctx
->stream
, draw_mode
, 0, prims
, info
->index_bias
);
286 etna_draw_primitives(ctx
->stream
, draw_mode
, info
->start
, prims
);
289 if (DBG_ENABLED(ETNA_DBG_DRAW_STALL
)) {
290 /* Stall the FE after every draw operation. This allows better
291 * debug of GPU hang conditions, as the FE will indicate which
292 * draw op has caused the hang. */
293 etna_stall(ctx
->stream
, SYNC_RECIPIENT_FE
, SYNC_RECIPIENT_PE
);
296 if (DBG_ENABLED(ETNA_DBG_FLUSH_ALL
))
297 pctx
->flush(pctx
, NULL
, 0);
299 if (ctx
->framebuffer
.cbuf
)
300 etna_resource(ctx
->framebuffer
.cbuf
->texture
)->seqno
++;
301 if (ctx
->framebuffer
.zsbuf
)
302 etna_resource(ctx
->framebuffer
.zsbuf
->texture
)->seqno
++;
303 if (info
->index_size
&& indexbuf
!= info
->index
.resource
)
304 pipe_resource_reference(&indexbuf
, NULL
);
308 etna_flush(struct pipe_context
*pctx
, struct pipe_fence_handle
**fence
,
309 enum pipe_flush_flags flags
)
311 struct etna_context
*ctx
= etna_context(pctx
);
312 int out_fence_fd
= -1;
314 list_for_each_entry(struct etna_hw_query
, hq
, &ctx
->active_hw_queries
, node
)
315 etna_hw_query_suspend(hq
, ctx
);
317 etna_cmd_stream_flush2(ctx
->stream
, ctx
->in_fence_fd
,
318 (flags
& PIPE_FLUSH_FENCE_FD
) ? &out_fence_fd
:
321 list_for_each_entry(struct etna_hw_query
, hq
, &ctx
->active_hw_queries
, node
)
322 etna_hw_query_resume(hq
, ctx
);
325 *fence
= etna_fence_create(pctx
, out_fence_fd
);
329 etna_cmd_stream_reset_notify(struct etna_cmd_stream
*stream
, void *priv
)
331 struct etna_context
*ctx
= priv
;
332 struct etna_resource
*rsc
, *rsc_tmp
;
334 etna_set_state(stream
, VIVS_GL_API_MODE
, VIVS_GL_API_MODE_OPENGL
);
335 etna_set_state(stream
, VIVS_GL_VERTEX_ELEMENT_CONFIG
, 0x00000001);
336 /* blob sets this to 0x40000031 on GC7000, seems to make no difference,
337 * but keep it in mind if depth behaves strangely. */
338 etna_set_state(stream
, VIVS_RA_EARLY_DEPTH
, 0x00000031);
339 etna_set_state(stream
, VIVS_PA_W_CLIP_LIMIT
, 0x34000001);
340 etna_set_state(stream
, VIVS_PA_FLAGS
, 0x00000000); /* blob sets ZCONVERT_BYPASS on GC3000+, this messes up z for us */
341 etna_set_state(stream
, VIVS_PA_VIEWPORT_UNK00A80
, 0x38a01404);
342 etna_set_state(stream
, VIVS_PA_VIEWPORT_UNK00A84
, fui(8192.0));
343 etna_set_state(stream
, VIVS_PA_ZFARCLIPPING
, 0x00000000);
344 etna_set_state(stream
, VIVS_PE_ALPHA_COLOR_EXT0
, 0x00000000);
345 etna_set_state(stream
, VIVS_PE_ALPHA_COLOR_EXT1
, 0x00000000);
346 etna_set_state(stream
, VIVS_RA_HDEPTH_CONTROL
, 0x00007000);
347 etna_set_state(stream
, VIVS_PE_STENCIL_CONFIG_EXT2
, 0x00000000);
348 etna_set_state(stream
, VIVS_PS_CONTROL_EXT
, 0x00000000);
350 /* There is no HALTI0 specific state */
351 if (ctx
->specs
.halti
>= 1) { /* Only on HALTI1+ */
352 etna_set_state(stream
, VIVS_VS_HALTI1_UNK00884
, 0x00000808);
354 if (ctx
->specs
.halti
>= 2) { /* Only on HALTI2+ */
355 etna_set_state(stream
, VIVS_RA_UNK00E0C
, 0x00000000);
357 if (ctx
->specs
.halti
>= 3) { /* Only on HALTI3+ */
358 etna_set_state(stream
, VIVS_PE_MEM_CONFIG
, 0x00000000); /* TODO: cache modes */
359 etna_set_state(stream
, VIVS_PS_HALTI3_UNK0103C
, 0x76543210);
361 if (ctx
->specs
.halti
>= 4) { /* Only on HALTI4+ */
362 etna_set_state(stream
, VIVS_PS_MSAA_CONFIG
, 0x6fffffff & 0xf70fffff & 0xfff6ffff &
363 0xffff6fff & 0xfffff6ff & 0xffffff7f);
364 etna_set_state(stream
, VIVS_PE_HALTI4_UNK014C0
, 0x00000000);
366 if (ctx
->specs
.halti
>= 5) { /* Only on HALTI5+ */
367 etna_set_state(stream
, VIVS_NTE_DESCRIPTOR_UNK14C40
, 0x00000001);
368 etna_set_state(stream
, VIVS_FE_HALTI5_UNK007D8
, 0x00000002);
369 etna_set_state(stream
, VIVS_FE_HALTI5_UNK007C4
, 0x00000000);
370 etna_set_state(stream
, VIVS_PS_SAMPLER_BASE
, 0x00000000);
371 etna_set_state(stream
, VIVS_VS_SAMPLER_BASE
, 0x00000020);
372 etna_set_state(stream
, VIVS_SH_CONFIG
, VIVS_SH_CONFIG_RTNE_ROUNDING
);
373 } else { /* Only on pre-HALTI5 */
374 etna_set_state(stream
, VIVS_GL_UNK03834
, 0x00000000);
375 etna_set_state(stream
, VIVS_GL_UNK03838
, 0x00000000);
376 etna_set_state(stream
, VIVS_GL_UNK03854
, 0x00000000);
379 if (!ctx
->specs
.use_blt
) {
380 /* Enable SINGLE_BUFFER for resolve, if supported */
381 etna_set_state(stream
, VIVS_RS_SINGLE_BUFFER
, COND(ctx
->specs
.single_buffer
, VIVS_RS_SINGLE_BUFFER_ENABLE
));
386 /* go through all the used resources and clear their status flag */
387 LIST_FOR_EACH_ENTRY_SAFE(rsc
, rsc_tmp
, &ctx
->used_resources
, list
)
389 debug_assert(rsc
->status
!= 0);
391 rsc
->pending_ctx
= NULL
;
392 list_delinit(&rsc
->list
);
395 assert(LIST_IS_EMPTY(&ctx
->used_resources
));
399 etna_set_debug_callback(struct pipe_context
*pctx
,
400 const struct pipe_debug_callback
*cb
)
402 struct etna_context
*ctx
= etna_context(pctx
);
407 memset(&ctx
->debug
, 0, sizeof(ctx
->debug
));
410 struct pipe_context
*
411 etna_context_create(struct pipe_screen
*pscreen
, void *priv
, unsigned flags
)
413 struct etna_context
*ctx
= CALLOC_STRUCT(etna_context
);
414 struct etna_screen
*screen
;
415 struct pipe_context
*pctx
;
422 pctx
->screen
= pscreen
;
423 pctx
->stream_uploader
= u_upload_create_default(pctx
);
424 if (!pctx
->stream_uploader
)
426 pctx
->const_uploader
= pctx
->stream_uploader
;
428 screen
= etna_screen(pscreen
);
429 ctx
->stream
= etna_cmd_stream_new(screen
->pipe
, 0x2000, &etna_cmd_stream_reset_notify
, ctx
);
430 if (ctx
->stream
== NULL
)
433 /* context ctxate setup */
434 ctx
->specs
= screen
->specs
;
435 ctx
->screen
= screen
;
436 /* need some sane default in case state tracker doesn't set some state: */
437 ctx
->sample_mask
= 0xffff;
439 list_inithead(&ctx
->used_resources
);
441 /* Set sensible defaults for state */
442 etna_cmd_stream_reset_notify(ctx
->stream
, ctx
);
444 ctx
->in_fence_fd
= -1;
446 pctx
->destroy
= etna_context_destroy
;
447 pctx
->draw_vbo
= etna_draw_vbo
;
448 pctx
->flush
= etna_flush
;
449 pctx
->set_debug_callback
= etna_set_debug_callback
;
450 pctx
->create_fence_fd
= etna_create_fence_fd
;
451 pctx
->fence_server_sync
= etna_fence_server_sync
;
453 /* creation of compile states */
454 pctx
->create_blend_state
= etna_blend_state_create
;
455 pctx
->create_rasterizer_state
= etna_rasterizer_state_create
;
456 pctx
->create_depth_stencil_alpha_state
= etna_zsa_state_create
;
458 etna_clear_blit_init(pctx
);
459 etna_query_context_init(pctx
);
460 etna_state_init(pctx
);
461 etna_surface_init(pctx
);
462 etna_shader_init(pctx
);
463 etna_texture_init(pctx
);
464 etna_transfer_init(pctx
);
466 ctx
->blitter
= util_blitter_create(pctx
);
470 /* Generate the bitmask of supported draw primitives. */
471 ctx
->prim_hwsupport
= 1 << PIPE_PRIM_POINTS
|
472 1 << PIPE_PRIM_LINES
|
473 1 << PIPE_PRIM_LINE_STRIP
|
474 1 << PIPE_PRIM_TRIANGLES
|
475 1 << PIPE_PRIM_TRIANGLE_STRIP
|
476 1 << PIPE_PRIM_TRIANGLE_FAN
;
478 if (VIV_FEATURE(ctx
->screen
, chipMinorFeatures2
, LINE_LOOP
))
479 ctx
->prim_hwsupport
|= 1 << PIPE_PRIM_LINE_LOOP
;
481 ctx
->primconvert
= util_primconvert_create(pctx
, ctx
->prim_hwsupport
);
482 if (!ctx
->primconvert
)
485 slab_create_child(&ctx
->transfer_pool
, &screen
->transfer_pool
);
486 list_inithead(&ctx
->active_hw_queries
);