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1 /*
2  * Copyright (c) 2014-2015 Etnaviv Project
3  *
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:
10  *
11  * The above copyright notice and this permission notice (including the
12  * next paragraph) shall be included in all copies or substantial portions
13  * of the Software.
14  *
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.
22  *
23  * Authors:
24  *    Wladimir J. van der Laan <laanwj@gmail.com>
25  */
26 
27 #include "etnaviv_emit.h"
28 
29 #include "etnaviv_blend.h"
30 #include "etnaviv_compiler.h"
31 #include "etnaviv_context.h"
32 #include "etnaviv_rasterizer.h"
33 #include "etnaviv_resource.h"
34 #include "etnaviv_rs.h"
35 #include "etnaviv_screen.h"
36 #include "etnaviv_shader.h"
37 #include "etnaviv_texture.h"
38 #include "etnaviv_translate.h"
39 #include "etnaviv_uniforms.h"
40 #include "etnaviv_util.h"
41 #include "etnaviv_zsa.h"
42 #include "hw/common.xml.h"
43 #include "hw/state.xml.h"
44 #include "hw/state_blt.xml.h"
45 #include "util/u_math.h"
46 
47 /* Queue a STALL command (queues 2 words) */
48 static inline void
CMD_STALL(struct etna_cmd_stream * stream,uint32_t from,uint32_t to)49 CMD_STALL(struct etna_cmd_stream *stream, uint32_t from, uint32_t to)
50 {
51    etna_cmd_stream_emit(stream, VIV_FE_STALL_HEADER_OP_STALL);
52    etna_cmd_stream_emit(stream, VIV_FE_STALL_TOKEN_FROM(from) | VIV_FE_STALL_TOKEN_TO(to));
53 }
54 
55 void
etna_stall(struct etna_cmd_stream * stream,uint32_t from,uint32_t to)56 etna_stall(struct etna_cmd_stream *stream, uint32_t from, uint32_t to)
57 {
58    bool blt = (from == SYNC_RECIPIENT_BLT) || (to == SYNC_RECIPIENT_BLT);
59    etna_cmd_stream_reserve(stream, blt ? 8 : 4);
60 
61    if (blt) {
62       etna_emit_load_state(stream, VIVS_BLT_ENABLE >> 2, 1, 0);
63       etna_cmd_stream_emit(stream, 1);
64    }
65 
66    /* TODO: set bit 28/29 of token after BLT COPY_BUFFER */
67    etna_emit_load_state(stream, VIVS_GL_SEMAPHORE_TOKEN >> 2, 1, 0);
68    etna_cmd_stream_emit(stream, VIVS_GL_SEMAPHORE_TOKEN_FROM(from) | VIVS_GL_SEMAPHORE_TOKEN_TO(to));
69 
70    if (from == SYNC_RECIPIENT_FE) {
71       /* if the frontend is to be stalled, queue a STALL frontend command */
72       CMD_STALL(stream, from, to);
73    } else {
74       /* otherwise, load the STALL token state */
75       etna_emit_load_state(stream, VIVS_GL_STALL_TOKEN >> 2, 1, 0);
76       etna_cmd_stream_emit(stream, VIVS_GL_STALL_TOKEN_FROM(from) | VIVS_GL_STALL_TOKEN_TO(to));
77    }
78 
79    if (blt) {
80       etna_emit_load_state(stream, VIVS_BLT_ENABLE >> 2, 1, 0);
81       etna_cmd_stream_emit(stream, 0);
82    }
83 }
84 
85 #define EMIT_STATE(state_name, src_value) \
86    etna_coalsence_emit(stream, &coalesce, VIVS_##state_name, src_value)
87 
88 #define EMIT_STATE_FIXP(state_name, src_value) \
89    etna_coalsence_emit_fixp(stream, &coalesce, VIVS_##state_name, src_value)
90 
91 #define EMIT_STATE_RELOC(state_name, src_value) \
92    etna_coalsence_emit_reloc(stream, &coalesce, VIVS_##state_name, src_value)
93 
94 #define ETNA_3D_CONTEXT_SIZE  (400) /* keep this number above "Total state updates (fixed)" from gen_weave_state tool */
95 
96 static unsigned
required_stream_size(struct etna_context * ctx)97 required_stream_size(struct etna_context *ctx)
98 {
99    unsigned size = ETNA_3D_CONTEXT_SIZE;
100 
101    /* stall + flush */
102    size += 2 + 4;
103 
104    /* vertex elements */
105    size += ctx->vertex_elements->num_elements + 1;
106 
107    /* uniforms - worst case (2 words per uniform load) */
108    size += ctx->shader.vs->uniforms.const_count * 2;
109    size += ctx->shader.fs->uniforms.const_count * 2;
110 
111    /* shader */
112    size += ctx->shader_state.vs_inst_mem_size + 1;
113    size += ctx->shader_state.ps_inst_mem_size + 1;
114 
115    /* DRAW_INDEXED_PRIMITIVES command */
116    size += 6;
117 
118    /* reserve for alignment etc. */
119    size += 64;
120 
121    return size;
122 }
123 
124 /* Emit state that only exists on HALTI5+ */
125 static void
emit_halti5_only_state(struct etna_context * ctx,int vs_output_count)126 emit_halti5_only_state(struct etna_context *ctx, int vs_output_count)
127 {
128    struct etna_cmd_stream *stream = ctx->stream;
129    uint32_t dirty = ctx->dirty;
130    struct etna_coalesce coalesce;
131 
132    etna_coalesce_start(stream, &coalesce);
133    if (unlikely(dirty & (ETNA_DIRTY_SHADER))) {
134       /* Magic states (load balancing, inter-unit sync, buffers) */
135       /*00870*/ EMIT_STATE(VS_HALTI5_OUTPUT_COUNT, vs_output_count | ((vs_output_count * 0x10) << 8));
136       /*008A0*/ EMIT_STATE(VS_HALTI5_UNK008A0, 0x0001000e | ((0x110/vs_output_count) << 20));
137       for (int x = 0; x < 4; ++x) {
138          /*008E0*/ EMIT_STATE(VS_HALTI5_OUTPUT(x), ctx->shader_state.VS_OUTPUT[x]);
139       }
140    }
141    if (unlikely(dirty & (ETNA_DIRTY_VERTEX_ELEMENTS | ETNA_DIRTY_SHADER))) {
142       for (int x = 0; x < 4; ++x) {
143          /*008C0*/ EMIT_STATE(VS_HALTI5_INPUT(x), ctx->shader_state.VS_INPUT[x]);
144       }
145    }
146    if (unlikely(dirty & (ETNA_DIRTY_SHADER))) {
147       /*00A90*/ EMIT_STATE(PA_VARYING_NUM_COMPONENTS(0), ctx->shader_state.GL_VARYING_NUM_COMPONENTS);
148       /*00AA8*/ EMIT_STATE(PA_VS_OUTPUT_COUNT, vs_output_count);
149       /*01080*/ EMIT_STATE(PS_VARYING_NUM_COMPONENTS(0), ctx->shader_state.GL_VARYING_NUM_COMPONENTS);
150       /*03888*/ EMIT_STATE(GL_HALTI5_SH_SPECIALS, ctx->shader_state.GL_HALTI5_SH_SPECIALS);
151    }
152    etna_coalesce_end(stream, &coalesce);
153 }
154 
155 /* Emit state that no longer exists on HALTI5 */
156 static void
emit_pre_halti5_state(struct etna_context * ctx)157 emit_pre_halti5_state(struct etna_context *ctx)
158 {
159    struct etna_cmd_stream *stream = ctx->stream;
160    uint32_t dirty = ctx->dirty;
161    struct etna_coalesce coalesce;
162 
163    etna_coalesce_start(stream, &coalesce);
164    if (unlikely(dirty & (ETNA_DIRTY_SHADER))) {
165       /*00800*/ EMIT_STATE(VS_END_PC, ctx->shader_state.VS_END_PC);
166    }
167    if (unlikely(dirty & (ETNA_DIRTY_SHADER))) {
168       for (int x = 0; x < 4; ++x) {
169         /*00810*/ EMIT_STATE(VS_OUTPUT(x), ctx->shader_state.VS_OUTPUT[x]);
170       }
171    }
172    if (unlikely(dirty & (ETNA_DIRTY_VERTEX_ELEMENTS | ETNA_DIRTY_SHADER))) {
173       for (int x = 0; x < 4; ++x) {
174         /*00820*/ EMIT_STATE(VS_INPUT(x), ctx->shader_state.VS_INPUT[x]);
175       }
176    }
177    if (unlikely(dirty & (ETNA_DIRTY_SHADER))) {
178       /*00838*/ EMIT_STATE(VS_START_PC, ctx->shader_state.VS_START_PC);
179    }
180    if (unlikely(dirty & (ETNA_DIRTY_SHADER))) {
181       for (int x = 0; x < 10; ++x) {
182          /*00A40*/ EMIT_STATE(PA_SHADER_ATTRIBUTES(x), ctx->shader_state.PA_SHADER_ATTRIBUTES[x]);
183       }
184    }
185    if (unlikely(dirty & (ETNA_DIRTY_FRAMEBUFFER))) {
186       /*00E04*/ EMIT_STATE(RA_MULTISAMPLE_UNK00E04, ctx->framebuffer.RA_MULTISAMPLE_UNK00E04);
187       for (int x = 0; x < 4; ++x) {
188          /*00E10*/ EMIT_STATE(RA_MULTISAMPLE_UNK00E10(x), ctx->framebuffer.RA_MULTISAMPLE_UNK00E10[x]);
189       }
190       for (int x = 0; x < 16; ++x) {
191          /*00E40*/ EMIT_STATE(RA_CENTROID_TABLE(x), ctx->framebuffer.RA_CENTROID_TABLE[x]);
192       }
193    }
194    if (unlikely(dirty & (ETNA_DIRTY_SHADER | ETNA_DIRTY_FRAMEBUFFER))) {
195       /*01000*/ EMIT_STATE(PS_END_PC, ctx->shader_state.PS_END_PC);
196    }
197    if (unlikely(dirty & (ETNA_DIRTY_SHADER | ETNA_DIRTY_FRAMEBUFFER))) {
198       /*01018*/ EMIT_STATE(PS_START_PC, ctx->shader_state.PS_START_PC);
199    }
200    if (unlikely(dirty & (ETNA_DIRTY_SHADER))) {
201       /*03820*/ EMIT_STATE(GL_VARYING_NUM_COMPONENTS, ctx->shader_state.GL_VARYING_NUM_COMPONENTS);
202       for (int x = 0; x < 2; ++x) {
203          /*03828*/ EMIT_STATE(GL_VARYING_COMPONENT_USE(x), ctx->shader_state.GL_VARYING_COMPONENT_USE[x]);
204       }
205    }
206    etna_coalesce_end(stream, &coalesce);
207 }
208 
209 /* Weave state before draw operation. This function merges all the compiled
210  * state blocks under the context into one device register state. Parts of
211  * this state that are changed since last call (dirty) will be uploaded as
212  * state changes in the command buffer. */
213 void
etna_emit_state(struct etna_context * ctx)214 etna_emit_state(struct etna_context *ctx)
215 {
216    struct etna_cmd_stream *stream = ctx->stream;
217 
218    /* Pre-reserve the command buffer space which we are likely to need.
219     * This must cover all the state emitted below, and the following
220     * draw command. */
221    etna_cmd_stream_reserve(stream, required_stream_size(ctx));
222 
223    uint32_t dirty = ctx->dirty;
224 
225    /* Pre-processing: see what caches we need to flush before making state changes. */
226    uint32_t to_flush = 0;
227    if (unlikely(dirty & (ETNA_DIRTY_BLEND))) {
228       /* Need flush COLOR when changing PE.COLOR_FORMAT.OVERWRITE. */
229 #if 0
230         /* TODO*/
231         if ((ctx->gpu3d.PE_COLOR_FORMAT & VIVS_PE_COLOR_FORMAT_OVERWRITE) !=
232            (etna_blend_state(ctx->blend)->PE_COLOR_FORMAT & VIVS_PE_COLOR_FORMAT_OVERWRITE))
233 #endif
234       to_flush |= VIVS_GL_FLUSH_CACHE_COLOR;
235    }
236    if (unlikely(dirty & (ETNA_DIRTY_TEXTURE_CACHES)))
237       to_flush |= VIVS_GL_FLUSH_CACHE_TEXTURE;
238    if (unlikely(dirty & (ETNA_DIRTY_FRAMEBUFFER))) /* Framebuffer config changed? */
239       to_flush |= VIVS_GL_FLUSH_CACHE_COLOR | VIVS_GL_FLUSH_CACHE_DEPTH;
240    if (DBG_ENABLED(ETNA_DBG_CFLUSH_ALL))
241       to_flush |= VIVS_GL_FLUSH_CACHE_TEXTURE | VIVS_GL_FLUSH_CACHE_COLOR | VIVS_GL_FLUSH_CACHE_DEPTH;
242 
243    if (to_flush) {
244       etna_set_state(stream, VIVS_GL_FLUSH_CACHE, to_flush);
245       etna_stall(stream, SYNC_RECIPIENT_RA, SYNC_RECIPIENT_PE);
246    }
247 
248    /* Flush TS cache before changing TS configuration. */
249    if (unlikely(dirty & ETNA_DIRTY_TS)) {
250       etna_set_state(stream, VIVS_TS_FLUSH_CACHE, VIVS_TS_FLUSH_CACHE_FLUSH);
251    }
252 
253    /* If MULTI_SAMPLE_CONFIG.MSAA_SAMPLES changed, clobber affected shader
254     * state to make sure it is always rewritten. */
255    if (unlikely(dirty & (ETNA_DIRTY_FRAMEBUFFER))) {
256       if ((ctx->gpu3d.GL_MULTI_SAMPLE_CONFIG & VIVS_GL_MULTI_SAMPLE_CONFIG_MSAA_SAMPLES__MASK) !=
257           (ctx->framebuffer.GL_MULTI_SAMPLE_CONFIG & VIVS_GL_MULTI_SAMPLE_CONFIG_MSAA_SAMPLES__MASK)) {
258          /* XXX what does the GPU set these states to on MSAA samples change?
259           * Does it do the right thing?
260           * (increase/decrease as necessary) or something else? Just set some
261           * invalid value until we know for
262           * sure. */
263          ctx->gpu3d.PS_INPUT_COUNT = 0xffffffff;
264          ctx->gpu3d.PS_TEMP_REGISTER_CONTROL = 0xffffffff;
265       }
266    }
267 
268    /* Update vertex elements. This is different from any of the other states, in that
269     * a) the number of vertex elements written matters: so write only active ones
270     * b) the vertex element states must all be written: do not skip entries that stay the same */
271    if (dirty & (ETNA_DIRTY_VERTEX_ELEMENTS)) {
272       if (ctx->specs.halti >= 5) {
273          /*17800*/ etna_set_state_multi(stream, VIVS_NFE_GENERIC_ATTRIB_CONFIG0(0),
274             ctx->vertex_elements->num_elements,
275             ctx->vertex_elements->NFE_GENERIC_ATTRIB_CONFIG0);
276          /*17A00*/ etna_set_state_multi(stream, VIVS_NFE_GENERIC_ATTRIB_SCALE(0),
277             ctx->vertex_elements->num_elements,
278             ctx->vertex_elements->NFE_GENERIC_ATTRIB_SCALE);
279          /*17A80*/ etna_set_state_multi(stream, VIVS_NFE_GENERIC_ATTRIB_CONFIG1(0),
280             ctx->vertex_elements->num_elements,
281             ctx->vertex_elements->NFE_GENERIC_ATTRIB_CONFIG1);
282       } else {
283          /* Special case: vertex elements must always be sent in full if changed */
284          /*00600*/ etna_set_state_multi(stream, VIVS_FE_VERTEX_ELEMENT_CONFIG(0),
285             ctx->vertex_elements->num_elements,
286             ctx->vertex_elements->FE_VERTEX_ELEMENT_CONFIG);
287          if (ctx->specs.halti >= 2) {
288             /*00780*/ etna_set_state_multi(stream, VIVS_FE_GENERIC_ATTRIB_SCALE(0),
289                ctx->vertex_elements->num_elements,
290                ctx->vertex_elements->NFE_GENERIC_ATTRIB_SCALE);
291          }
292       }
293    }
294    unsigned vs_output_count = etna_rasterizer_state(ctx->rasterizer)->point_size_per_vertex
295                            ? ctx->shader_state.VS_OUTPUT_COUNT_PSIZE
296                            : ctx->shader_state.VS_OUTPUT_COUNT;
297 
298    /* The following code is originally generated by gen_merge_state.py, to
299     * emit state in increasing order of address (this makes it possible to merge
300     * consecutive register updates into one SET_STATE command)
301     *
302     * There have been some manual changes, where the weaving operation is not
303     * simply bitwise or:
304     * - scissor fixp
305     * - num vertex elements
306     * - scissor handling
307     * - num samplers
308     * - texture lod
309     * - ETNA_DIRTY_TS
310     * - removed ETNA_DIRTY_BASE_SETUP statements -- these are guaranteed to not
311     * change anyway
312     * - PS / framebuffer interaction for MSAA
313     * - move update of GL_MULTI_SAMPLE_CONFIG first
314     * - add unlikely()/likely()
315     */
316    struct etna_coalesce coalesce;
317 
318    etna_coalesce_start(stream, &coalesce);
319 
320    /* begin only EMIT_STATE -- make sure no new etna_reserve calls are done here
321     * directly
322     *    or indirectly */
323    /* multi sample config is set first, and outside of the normal sorting
324     * order, as changing the multisample state clobbers PS.INPUT_COUNT (and
325     * possibly PS.TEMP_REGISTER_CONTROL).
326     */
327    if (unlikely(dirty & (ETNA_DIRTY_FRAMEBUFFER | ETNA_DIRTY_SAMPLE_MASK))) {
328       uint32_t val = VIVS_GL_MULTI_SAMPLE_CONFIG_MSAA_ENABLES(ctx->sample_mask);
329       val |= ctx->framebuffer.GL_MULTI_SAMPLE_CONFIG;
330 
331       /*03818*/ EMIT_STATE(GL_MULTI_SAMPLE_CONFIG, val);
332    }
333    if (likely(dirty & (ETNA_DIRTY_INDEX_BUFFER))) {
334       /*00644*/ EMIT_STATE_RELOC(FE_INDEX_STREAM_BASE_ADDR, &ctx->index_buffer.FE_INDEX_STREAM_BASE_ADDR);
335       /*00648*/ EMIT_STATE(FE_INDEX_STREAM_CONTROL, ctx->index_buffer.FE_INDEX_STREAM_CONTROL);
336    }
337    if (likely(dirty & (ETNA_DIRTY_INDEX_BUFFER))) {
338       /*00674*/ EMIT_STATE(FE_PRIMITIVE_RESTART_INDEX, ctx->index_buffer.FE_PRIMITIVE_RESTART_INDEX);
339    }
340    if (likely(dirty & (ETNA_DIRTY_VERTEX_BUFFERS))) {
341       if (ctx->specs.halti >= 2) { /* HALTI2+: NFE_VERTEX_STREAMS */
342          for (int x = 0; x < ctx->vertex_buffer.count; ++x) {
343             /*14600*/ EMIT_STATE_RELOC(NFE_VERTEX_STREAMS_BASE_ADDR(x), &ctx->vertex_buffer.cvb[x].FE_VERTEX_STREAM_BASE_ADDR);
344          }
345          for (int x = 0; x < ctx->vertex_buffer.count; ++x) {
346             if (ctx->vertex_buffer.cvb[x].FE_VERTEX_STREAM_BASE_ADDR.bo) {
347                /*14640*/ EMIT_STATE(NFE_VERTEX_STREAMS_CONTROL(x), ctx->vertex_buffer.cvb[x].FE_VERTEX_STREAM_CONTROL);
348             }
349          }
350          for (int x = 0; x < ctx->vertex_buffer.count; ++x) {
351             if (ctx->vertex_buffer.cvb[x].FE_VERTEX_STREAM_BASE_ADDR.bo) {
352                /*14680*/ EMIT_STATE(NFE_VERTEX_STREAMS_UNK14680(x), ctx->vertex_buffer.cvb[x].FE_VERTEX_STREAM_UNK14680);
353             }
354          }
355       } else if(ctx->specs.stream_count >= 1) { /* hw w/ multiple vertex streams */
356          for (int x = 0; x < ctx->vertex_buffer.count; ++x) {
357             /*00680*/ EMIT_STATE_RELOC(FE_VERTEX_STREAMS_BASE_ADDR(x), &ctx->vertex_buffer.cvb[x].FE_VERTEX_STREAM_BASE_ADDR);
358          }
359          for (int x = 0; x < ctx->vertex_buffer.count; ++x) {
360             if (ctx->vertex_buffer.cvb[x].FE_VERTEX_STREAM_BASE_ADDR.bo) {
361                /*006A0*/ EMIT_STATE(FE_VERTEX_STREAMS_CONTROL(x), ctx->vertex_buffer.cvb[x].FE_VERTEX_STREAM_CONTROL);
362             }
363          }
364       } else { /* hw w/ single vertex stream */
365          /*0064C*/ EMIT_STATE_RELOC(FE_VERTEX_STREAM_BASE_ADDR, &ctx->vertex_buffer.cvb[0].FE_VERTEX_STREAM_BASE_ADDR);
366          /*00650*/ EMIT_STATE(FE_VERTEX_STREAM_CONTROL, ctx->vertex_buffer.cvb[0].FE_VERTEX_STREAM_CONTROL);
367       }
368    }
369    if (unlikely(dirty & (ETNA_DIRTY_SHADER | ETNA_DIRTY_RASTERIZER))) {
370 
371       /*00804*/ EMIT_STATE(VS_OUTPUT_COUNT, vs_output_count);
372    }
373    if (unlikely(dirty & (ETNA_DIRTY_VERTEX_ELEMENTS | ETNA_DIRTY_SHADER))) {
374       /*00808*/ EMIT_STATE(VS_INPUT_COUNT, ctx->shader_state.VS_INPUT_COUNT);
375       /*0080C*/ EMIT_STATE(VS_TEMP_REGISTER_CONTROL, ctx->shader_state.VS_TEMP_REGISTER_CONTROL);
376    }
377    if (unlikely(dirty & (ETNA_DIRTY_SHADER))) {
378       /*00830*/ EMIT_STATE(VS_LOAD_BALANCING, ctx->shader_state.VS_LOAD_BALANCING);
379    }
380    if (unlikely(dirty & (ETNA_DIRTY_VIEWPORT))) {
381       /*00A00*/ EMIT_STATE_FIXP(PA_VIEWPORT_SCALE_X, ctx->viewport.PA_VIEWPORT_SCALE_X);
382       /*00A04*/ EMIT_STATE_FIXP(PA_VIEWPORT_SCALE_Y, ctx->viewport.PA_VIEWPORT_SCALE_Y);
383       /*00A08*/ EMIT_STATE(PA_VIEWPORT_SCALE_Z, ctx->viewport.PA_VIEWPORT_SCALE_Z);
384       /*00A0C*/ EMIT_STATE_FIXP(PA_VIEWPORT_OFFSET_X, ctx->viewport.PA_VIEWPORT_OFFSET_X);
385       /*00A10*/ EMIT_STATE_FIXP(PA_VIEWPORT_OFFSET_Y, ctx->viewport.PA_VIEWPORT_OFFSET_Y);
386       /*00A14*/ EMIT_STATE(PA_VIEWPORT_OFFSET_Z, ctx->viewport.PA_VIEWPORT_OFFSET_Z);
387    }
388    if (unlikely(dirty & (ETNA_DIRTY_RASTERIZER))) {
389       struct etna_rasterizer_state *rasterizer = etna_rasterizer_state(ctx->rasterizer);
390 
391       /*00A18*/ EMIT_STATE(PA_LINE_WIDTH, rasterizer->PA_LINE_WIDTH);
392       /*00A1C*/ EMIT_STATE(PA_POINT_SIZE, rasterizer->PA_POINT_SIZE);
393       /*00A28*/ EMIT_STATE(PA_SYSTEM_MODE, rasterizer->PA_SYSTEM_MODE);
394    }
395    if (unlikely(dirty & (ETNA_DIRTY_SHADER))) {
396       /*00A30*/ EMIT_STATE(PA_ATTRIBUTE_ELEMENT_COUNT, ctx->shader_state.PA_ATTRIBUTE_ELEMENT_COUNT);
397    }
398    if (unlikely(dirty & (ETNA_DIRTY_RASTERIZER | ETNA_DIRTY_SHADER))) {
399       uint32_t val = etna_rasterizer_state(ctx->rasterizer)->PA_CONFIG;
400       /*00A34*/ EMIT_STATE(PA_CONFIG, val & ctx->shader_state.PA_CONFIG);
401    }
402    if (unlikely(dirty & (ETNA_DIRTY_RASTERIZER))) {
403       struct etna_rasterizer_state *rasterizer = etna_rasterizer_state(ctx->rasterizer);
404       /*00A38*/ EMIT_STATE(PA_WIDE_LINE_WIDTH0, rasterizer->PA_LINE_WIDTH);
405       /*00A3C*/ EMIT_STATE(PA_WIDE_LINE_WIDTH1, rasterizer->PA_LINE_WIDTH);
406    }
407    if (unlikely(dirty & (ETNA_DIRTY_SCISSOR | ETNA_DIRTY_FRAMEBUFFER |
408                          ETNA_DIRTY_RASTERIZER | ETNA_DIRTY_VIEWPORT))) {
409       /* this is a bit of a mess: rasterizer.scissor determines whether to use
410        * only the framebuffer scissor, or specific scissor state, and the
411        * viewport clips too so the logic spans four CSOs */
412       struct etna_rasterizer_state *rasterizer = etna_rasterizer_state(ctx->rasterizer);
413 
414       uint32_t scissor_left =
415          MAX2(ctx->framebuffer.SE_SCISSOR_LEFT, ctx->viewport.SE_SCISSOR_LEFT);
416       uint32_t scissor_top =
417          MAX2(ctx->framebuffer.SE_SCISSOR_TOP, ctx->viewport.SE_SCISSOR_TOP);
418       uint32_t scissor_right =
419          MIN2(ctx->framebuffer.SE_SCISSOR_RIGHT, ctx->viewport.SE_SCISSOR_RIGHT);
420       uint32_t scissor_bottom =
421          MIN2(ctx->framebuffer.SE_SCISSOR_BOTTOM, ctx->viewport.SE_SCISSOR_BOTTOM);
422 
423       if (rasterizer->scissor) {
424          scissor_left = MAX2(ctx->scissor.SE_SCISSOR_LEFT, scissor_left);
425          scissor_top = MAX2(ctx->scissor.SE_SCISSOR_TOP, scissor_top);
426          scissor_right = MIN2(ctx->scissor.SE_SCISSOR_RIGHT, scissor_right);
427          scissor_bottom = MIN2(ctx->scissor.SE_SCISSOR_BOTTOM, scissor_bottom);
428       }
429 
430       /*00C00*/ EMIT_STATE_FIXP(SE_SCISSOR_LEFT, scissor_left);
431       /*00C04*/ EMIT_STATE_FIXP(SE_SCISSOR_TOP, scissor_top);
432       /*00C08*/ EMIT_STATE_FIXP(SE_SCISSOR_RIGHT, scissor_right);
433       /*00C0C*/ EMIT_STATE_FIXP(SE_SCISSOR_BOTTOM, scissor_bottom);
434    }
435    if (unlikely(dirty & (ETNA_DIRTY_RASTERIZER))) {
436       struct etna_rasterizer_state *rasterizer = etna_rasterizer_state(ctx->rasterizer);
437 
438       /*00C10*/ EMIT_STATE(SE_DEPTH_SCALE, rasterizer->SE_DEPTH_SCALE);
439       /*00C14*/ EMIT_STATE(SE_DEPTH_BIAS, rasterizer->SE_DEPTH_BIAS);
440       /*00C18*/ EMIT_STATE(SE_CONFIG, rasterizer->SE_CONFIG);
441    }
442    if (unlikely(dirty & (ETNA_DIRTY_SCISSOR | ETNA_DIRTY_FRAMEBUFFER |
443                          ETNA_DIRTY_RASTERIZER | ETNA_DIRTY_VIEWPORT))) {
444       struct etna_rasterizer_state *rasterizer = etna_rasterizer_state(ctx->rasterizer);
445 
446       uint32_t clip_right =
447          MIN2(ctx->framebuffer.SE_CLIP_RIGHT, ctx->viewport.SE_CLIP_RIGHT);
448       uint32_t clip_bottom =
449          MIN2(ctx->framebuffer.SE_CLIP_BOTTOM, ctx->viewport.SE_CLIP_BOTTOM);
450 
451       if (rasterizer->scissor) {
452          clip_right = MIN2(ctx->scissor.SE_CLIP_RIGHT, clip_right);
453          clip_bottom = MIN2(ctx->scissor.SE_CLIP_BOTTOM, clip_bottom);
454       }
455 
456       /*00C20*/ EMIT_STATE_FIXP(SE_CLIP_RIGHT, clip_right);
457       /*00C24*/ EMIT_STATE_FIXP(SE_CLIP_BOTTOM, clip_bottom);
458    }
459    if (unlikely(dirty & (ETNA_DIRTY_SHADER))) {
460       /*00E00*/ EMIT_STATE(RA_CONTROL, ctx->shader_state.RA_CONTROL);
461    }
462    if (unlikely(dirty & (ETNA_DIRTY_SHADER | ETNA_DIRTY_FRAMEBUFFER))) {
463       /*01004*/ EMIT_STATE(PS_OUTPUT_REG, ctx->shader_state.PS_OUTPUT_REG);
464       /*01008*/ EMIT_STATE(PS_INPUT_COUNT,
465                            ctx->framebuffer.msaa_mode
466                               ? ctx->shader_state.PS_INPUT_COUNT_MSAA
467                               : ctx->shader_state.PS_INPUT_COUNT);
468       /*0100C*/ EMIT_STATE(PS_TEMP_REGISTER_CONTROL,
469                            ctx->framebuffer.msaa_mode
470                               ? ctx->shader_state.PS_TEMP_REGISTER_CONTROL_MSAA
471                               : ctx->shader_state.PS_TEMP_REGISTER_CONTROL);
472       /*01010*/ EMIT_STATE(PS_CONTROL, ctx->shader_state.PS_CONTROL);
473    }
474    if (unlikely(dirty & (ETNA_DIRTY_ZSA | ETNA_DIRTY_FRAMEBUFFER))) {
475       uint32_t val = etna_zsa_state(ctx->zsa)->PE_DEPTH_CONFIG;
476       /*01400*/ EMIT_STATE(PE_DEPTH_CONFIG, val | ctx->framebuffer.PE_DEPTH_CONFIG);
477    }
478    if (unlikely(dirty & (ETNA_DIRTY_VIEWPORT))) {
479       /*01404*/ EMIT_STATE(PE_DEPTH_NEAR, ctx->viewport.PE_DEPTH_NEAR);
480       /*01408*/ EMIT_STATE(PE_DEPTH_FAR, ctx->viewport.PE_DEPTH_FAR);
481    }
482    if (unlikely(dirty & (ETNA_DIRTY_FRAMEBUFFER))) {
483       /*0140C*/ EMIT_STATE(PE_DEPTH_NORMALIZE, ctx->framebuffer.PE_DEPTH_NORMALIZE);
484 
485       if (ctx->specs.pixel_pipes == 1) {
486          /*01410*/ EMIT_STATE_RELOC(PE_DEPTH_ADDR, &ctx->framebuffer.PE_DEPTH_ADDR);
487       }
488 
489       /*01414*/ EMIT_STATE(PE_DEPTH_STRIDE, ctx->framebuffer.PE_DEPTH_STRIDE);
490    }
491    if (unlikely(dirty & (ETNA_DIRTY_ZSA))) {
492       uint32_t val = etna_zsa_state(ctx->zsa)->PE_STENCIL_OP;
493       /*01418*/ EMIT_STATE(PE_STENCIL_OP, val);
494    }
495    if (unlikely(dirty & (ETNA_DIRTY_ZSA | ETNA_DIRTY_STENCIL_REF))) {
496       uint32_t val = etna_zsa_state(ctx->zsa)->PE_STENCIL_CONFIG;
497       /*0141C*/ EMIT_STATE(PE_STENCIL_CONFIG, val | ctx->stencil_ref.PE_STENCIL_CONFIG);
498    }
499    if (unlikely(dirty & (ETNA_DIRTY_ZSA))) {
500       uint32_t val = etna_zsa_state(ctx->zsa)->PE_ALPHA_OP;
501       /*01420*/ EMIT_STATE(PE_ALPHA_OP, val);
502    }
503    if (unlikely(dirty & (ETNA_DIRTY_BLEND_COLOR))) {
504       /*01424*/ EMIT_STATE(PE_ALPHA_BLEND_COLOR, ctx->blend_color.PE_ALPHA_BLEND_COLOR);
505    }
506    if (unlikely(dirty & (ETNA_DIRTY_BLEND))) {
507       uint32_t val = etna_blend_state(ctx->blend)->PE_ALPHA_CONFIG;
508       /*01428*/ EMIT_STATE(PE_ALPHA_CONFIG, val);
509    }
510    if (unlikely(dirty & (ETNA_DIRTY_BLEND | ETNA_DIRTY_FRAMEBUFFER))) {
511       uint32_t val;
512       /* Use the components and overwrite bits in framebuffer.PE_COLOR_FORMAT
513        * as a mask to enable the bits from blend PE_COLOR_FORMAT */
514       val = ~(VIVS_PE_COLOR_FORMAT_COMPONENTS__MASK |
515               VIVS_PE_COLOR_FORMAT_OVERWRITE);
516       val |= etna_blend_state(ctx->blend)->PE_COLOR_FORMAT;
517       val &= ctx->framebuffer.PE_COLOR_FORMAT;
518       /*0142C*/ EMIT_STATE(PE_COLOR_FORMAT, val);
519    }
520    if (unlikely(dirty & (ETNA_DIRTY_FRAMEBUFFER))) {
521       if (ctx->specs.pixel_pipes == 1) {
522          /*01430*/ EMIT_STATE_RELOC(PE_COLOR_ADDR, &ctx->framebuffer.PE_COLOR_ADDR);
523          /*01434*/ EMIT_STATE(PE_COLOR_STRIDE, ctx->framebuffer.PE_COLOR_STRIDE);
524          /*01454*/ EMIT_STATE(PE_HDEPTH_CONTROL, ctx->framebuffer.PE_HDEPTH_CONTROL);
525       } else if (ctx->specs.pixel_pipes == 2) {
526          /*01434*/ EMIT_STATE(PE_COLOR_STRIDE, ctx->framebuffer.PE_COLOR_STRIDE);
527          /*01454*/ EMIT_STATE(PE_HDEPTH_CONTROL, ctx->framebuffer.PE_HDEPTH_CONTROL);
528          /*01460*/ EMIT_STATE_RELOC(PE_PIPE_COLOR_ADDR(0), &ctx->framebuffer.PE_PIPE_COLOR_ADDR[0]);
529          /*01464*/ EMIT_STATE_RELOC(PE_PIPE_COLOR_ADDR(1), &ctx->framebuffer.PE_PIPE_COLOR_ADDR[1]);
530          /*01480*/ EMIT_STATE_RELOC(PE_PIPE_DEPTH_ADDR(0), &ctx->framebuffer.PE_PIPE_DEPTH_ADDR[0]);
531          /*01484*/ EMIT_STATE_RELOC(PE_PIPE_DEPTH_ADDR(1), &ctx->framebuffer.PE_PIPE_DEPTH_ADDR[1]);
532       } else {
533          abort();
534       }
535    }
536    if (unlikely(dirty & (ETNA_DIRTY_STENCIL_REF))) {
537       /*014A0*/ EMIT_STATE(PE_STENCIL_CONFIG_EXT, ctx->stencil_ref.PE_STENCIL_CONFIG_EXT);
538    }
539    if (unlikely(dirty & (ETNA_DIRTY_BLEND | ETNA_DIRTY_FRAMEBUFFER))) {
540       struct etna_blend_state *blend = etna_blend_state(ctx->blend);
541       /*014A4*/ EMIT_STATE(PE_LOGIC_OP, blend->PE_LOGIC_OP | ctx->framebuffer.PE_LOGIC_OP);
542    }
543    if (unlikely(dirty & (ETNA_DIRTY_BLEND))) {
544       struct etna_blend_state *blend = etna_blend_state(ctx->blend);
545       for (int x = 0; x < 2; ++x) {
546          /*014A8*/ EMIT_STATE(PE_DITHER(x), blend->PE_DITHER[x]);
547       }
548    }
549    if (unlikely(dirty & (ETNA_DIRTY_FRAMEBUFFER | ETNA_DIRTY_TS))) {
550       /*01654*/ EMIT_STATE(TS_MEM_CONFIG, ctx->framebuffer.TS_MEM_CONFIG);
551       /*01658*/ EMIT_STATE_RELOC(TS_COLOR_STATUS_BASE, &ctx->framebuffer.TS_COLOR_STATUS_BASE);
552       /*0165C*/ EMIT_STATE_RELOC(TS_COLOR_SURFACE_BASE, &ctx->framebuffer.TS_COLOR_SURFACE_BASE);
553       /*01660*/ EMIT_STATE(TS_COLOR_CLEAR_VALUE, ctx->framebuffer.TS_COLOR_CLEAR_VALUE);
554       /*01664*/ EMIT_STATE_RELOC(TS_DEPTH_STATUS_BASE, &ctx->framebuffer.TS_DEPTH_STATUS_BASE);
555       /*01668*/ EMIT_STATE_RELOC(TS_DEPTH_SURFACE_BASE, &ctx->framebuffer.TS_DEPTH_SURFACE_BASE);
556       /*0166C*/ EMIT_STATE(TS_DEPTH_CLEAR_VALUE, ctx->framebuffer.TS_DEPTH_CLEAR_VALUE);
557    }
558    if (unlikely(dirty & (ETNA_DIRTY_SHADER))) {
559       /*0381C*/ EMIT_STATE(GL_VARYING_TOTAL_COMPONENTS, ctx->shader_state.GL_VARYING_TOTAL_COMPONENTS);
560    }
561    etna_coalesce_end(stream, &coalesce);
562    /* end only EMIT_STATE */
563 
564    /* Emit strongly architecture-specific state */
565    if (ctx->specs.halti >= 5)
566       emit_halti5_only_state(ctx, vs_output_count);
567    else
568       emit_pre_halti5_state(ctx);
569 
570    ctx->emit_texture_state(ctx);
571 
572    /* Insert a FE/PE stall as changing the shader instructions (and maybe
573     * the uniforms) can corrupt the previous in-progress draw operation.
574     * Observed with amoeba on GC2000 during the right-to-left rendering
575     * of PI, and can cause GPU hangs immediately after.
576     * I summise that this is because the "new" locations at 0xc000 are not
577     * properly protected against updates as other states seem to be. Hence,
578     * we detect the "new" vertex shader instruction offset to apply this. */
579    if (ctx->dirty & (ETNA_DIRTY_SHADER | ETNA_DIRTY_CONSTBUF) && ctx->specs.vs_offset > 0x4000)
580       etna_stall(ctx->stream, SYNC_RECIPIENT_FE, SYNC_RECIPIENT_PE);
581 
582    /* We need to update the uniform cache only if one of the following bits are
583     * set in ctx->dirty:
584     * - ETNA_DIRTY_SHADER
585     * - ETNA_DIRTY_CONSTBUF
586     * - uniforms_dirty_bits
587     *
588     * In case of ETNA_DIRTY_SHADER we need load all uniforms from the cache. In
589     * all
590     * other cases we can load on the changed uniforms.
591     */
592    static const uint32_t uniform_dirty_bits =
593       ETNA_DIRTY_SHADER | ETNA_DIRTY_CONSTBUF;
594 
595    if (dirty & (uniform_dirty_bits | ctx->shader.fs->uniforms_dirty_bits))
596       etna_uniforms_write(
597          ctx, ctx->shader.vs, &ctx->constant_buffer[PIPE_SHADER_VERTEX],
598          ctx->shader_state.VS_UNIFORMS, &ctx->shader_state.vs_uniforms_size);
599 
600    if (dirty & (uniform_dirty_bits | ctx->shader.vs->uniforms_dirty_bits))
601       etna_uniforms_write(
602          ctx, ctx->shader.fs, &ctx->constant_buffer[PIPE_SHADER_FRAGMENT],
603          ctx->shader_state.PS_UNIFORMS, &ctx->shader_state.ps_uniforms_size);
604 
605    /**** Large dynamically-sized state ****/
606    bool do_uniform_flush = ctx->specs.halti < 5;
607    if (dirty & (ETNA_DIRTY_SHADER)) {
608       /* Special case: a new shader was loaded; simply re-load all uniforms and
609        * shader code at once */
610       /* This sequence is special, do not change ordering unless necessary. According to comment
611          snippets in the Vivante kernel driver a process called "steering" goes on while programming
612          shader state. This (as I understand it) means certain unified states are "steered"
613          toward a specific shader unit (VS/PS/...) based on either explicit flags in register
614          00860, or what other state is written before "auto-steering". So this means some
615          state can legitimately be programmed multiple times.
616        */
617 
618       if (ctx->specs.halti >= 5) { /* ICACHE (HALTI5) */
619          assert(ctx->shader_state.VS_INST_ADDR.bo && ctx->shader_state.PS_INST_ADDR.bo);
620          /* Set icache (VS) */
621          etna_set_state(stream, VIVS_VS_NEWRANGE_LOW, 0);
622          etna_set_state(stream, VIVS_VS_NEWRANGE_HIGH, ctx->shader_state.vs_inst_mem_size / 4);
623          assert(ctx->shader_state.VS_INST_ADDR.bo);
624          etna_set_state_reloc(stream, VIVS_VS_INST_ADDR, &ctx->shader_state.VS_INST_ADDR);
625          etna_set_state(stream, VIVS_SH_CONFIG, 0x00000002);
626          etna_set_state(stream, VIVS_VS_ICACHE_CONTROL, VIVS_VS_ICACHE_CONTROL_ENABLE);
627          etna_set_state(stream, VIVS_VS_ICACHE_COUNT, ctx->shader_state.vs_inst_mem_size / 4 - 1);
628 
629          /* Set icache (PS) */
630          etna_set_state(stream, VIVS_PS_NEWRANGE_LOW, 0);
631          etna_set_state(stream, VIVS_PS_NEWRANGE_HIGH, ctx->shader_state.ps_inst_mem_size / 4);
632          assert(ctx->shader_state.PS_INST_ADDR.bo);
633          etna_set_state_reloc(stream, VIVS_PS_INST_ADDR, &ctx->shader_state.PS_INST_ADDR);
634          etna_set_state(stream, VIVS_SH_CONFIG, 0x00000002);
635          etna_set_state(stream, VIVS_VS_ICACHE_CONTROL, VIVS_VS_ICACHE_CONTROL_ENABLE);
636          etna_set_state(stream, VIVS_PS_ICACHE_COUNT, ctx->shader_state.ps_inst_mem_size / 4 - 1);
637 
638       } else if (ctx->shader_state.VS_INST_ADDR.bo || ctx->shader_state.PS_INST_ADDR.bo) {
639          /* ICACHE (pre-HALTI5) */
640          assert(ctx->specs.has_icache && ctx->specs.has_shader_range_registers);
641          /* Set icache (VS) */
642          etna_set_state(stream, VIVS_VS_RANGE, (ctx->shader_state.vs_inst_mem_size / 4 - 1) << 16);
643          etna_set_state(stream, VIVS_VS_ICACHE_CONTROL,
644                VIVS_VS_ICACHE_CONTROL_ENABLE |
645                VIVS_VS_ICACHE_CONTROL_FLUSH_VS);
646          assert(ctx->shader_state.VS_INST_ADDR.bo);
647          etna_set_state_reloc(stream, VIVS_VS_INST_ADDR, &ctx->shader_state.VS_INST_ADDR);
648 
649          /* Set icache (PS) */
650          etna_set_state(stream, VIVS_PS_RANGE, (ctx->shader_state.ps_inst_mem_size / 4 - 1) << 16);
651          etna_set_state(stream, VIVS_VS_ICACHE_CONTROL,
652                VIVS_VS_ICACHE_CONTROL_ENABLE |
653                VIVS_VS_ICACHE_CONTROL_FLUSH_PS);
654          assert(ctx->shader_state.PS_INST_ADDR.bo);
655          etna_set_state_reloc(stream, VIVS_PS_INST_ADDR, &ctx->shader_state.PS_INST_ADDR);
656       } else {
657          /* Upload shader directly, first flushing and disabling icache if
658           * supported on this hw */
659          if (ctx->specs.has_icache) {
660             etna_set_state(stream, VIVS_VS_ICACHE_CONTROL,
661                   VIVS_VS_ICACHE_CONTROL_FLUSH_PS |
662                   VIVS_VS_ICACHE_CONTROL_FLUSH_VS);
663          }
664          if (ctx->specs.has_shader_range_registers) {
665             etna_set_state(stream, VIVS_VS_RANGE, (ctx->shader_state.vs_inst_mem_size / 4 - 1) << 16);
666             etna_set_state(stream, VIVS_PS_RANGE, ((ctx->shader_state.ps_inst_mem_size / 4 - 1 + 0x100) << 16) |
667                                         0x100);
668          }
669          etna_set_state_multi(stream, ctx->specs.vs_offset,
670                               ctx->shader_state.vs_inst_mem_size,
671                               ctx->shader_state.VS_INST_MEM);
672          etna_set_state_multi(stream, ctx->specs.ps_offset,
673                               ctx->shader_state.ps_inst_mem_size,
674                               ctx->shader_state.PS_INST_MEM);
675       }
676 
677       if (ctx->specs.has_unified_uniforms) {
678          etna_set_state(stream, VIVS_VS_UNIFORM_BASE, 0);
679          etna_set_state(stream, VIVS_PS_UNIFORM_BASE, ctx->specs.max_vs_uniforms);
680       }
681 
682       if (do_uniform_flush)
683          etna_set_state(stream, VIVS_VS_UNIFORM_CACHE, VIVS_VS_UNIFORM_CACHE_FLUSH);
684       etna_set_state_multi(stream, ctx->specs.vs_uniforms_offset,
685                                      ctx->shader_state.vs_uniforms_size,
686                                      ctx->shader_state.VS_UNIFORMS);
687       if (do_uniform_flush)
688          etna_set_state(stream, VIVS_VS_UNIFORM_CACHE, VIVS_VS_UNIFORM_CACHE_FLUSH | VIVS_VS_UNIFORM_CACHE_PS);
689       etna_set_state_multi(stream, ctx->specs.ps_uniforms_offset,
690                                      ctx->shader_state.ps_uniforms_size,
691                                      ctx->shader_state.PS_UNIFORMS);
692 
693       /* Copy uniforms to gpu3d, so that incremental updates to uniforms are
694        * possible as long as the
695        * same shader remains bound */
696       ctx->gpu3d.vs_uniforms_size = ctx->shader_state.vs_uniforms_size;
697       ctx->gpu3d.ps_uniforms_size = ctx->shader_state.ps_uniforms_size;
698       memcpy(ctx->gpu3d.VS_UNIFORMS, ctx->shader_state.VS_UNIFORMS,
699              ctx->shader_state.vs_uniforms_size * 4);
700       memcpy(ctx->gpu3d.PS_UNIFORMS, ctx->shader_state.PS_UNIFORMS,
701              ctx->shader_state.ps_uniforms_size * 4);
702 
703       if (ctx->specs.halti >= 5) {
704          /* HALTI5 needs to be prompted to pre-fetch shaders */
705          etna_set_state(stream, VIVS_VS_ICACHE_PREFETCH, 0x00000000);
706          etna_set_state(stream, VIVS_PS_ICACHE_PREFETCH, 0x00000000);
707          etna_stall(stream, SYNC_RECIPIENT_RA, SYNC_RECIPIENT_PE);
708       }
709    } else {
710       /* ideally this cache would only be flushed if there are VS uniform changes */
711       if (do_uniform_flush)
712          etna_set_state(stream, VIVS_VS_UNIFORM_CACHE, VIVS_VS_UNIFORM_CACHE_FLUSH);
713       etna_coalesce_start(stream, &coalesce);
714       for (int x = 0; x < ctx->shader.vs->uniforms.const_count; ++x) {
715          if (ctx->gpu3d.VS_UNIFORMS[x] != ctx->shader_state.VS_UNIFORMS[x]) {
716             etna_coalsence_emit(stream, &coalesce, ctx->specs.vs_uniforms_offset + x*4, ctx->shader_state.VS_UNIFORMS[x]);
717             ctx->gpu3d.VS_UNIFORMS[x] = ctx->shader_state.VS_UNIFORMS[x];
718          }
719       }
720       etna_coalesce_end(stream, &coalesce);
721 
722       /* ideally this cache would only be flushed if there are PS uniform changes */
723       if (do_uniform_flush)
724          etna_set_state(stream, VIVS_VS_UNIFORM_CACHE, VIVS_VS_UNIFORM_CACHE_FLUSH | VIVS_VS_UNIFORM_CACHE_PS);
725       etna_coalesce_start(stream, &coalesce);
726       for (int x = 0; x < ctx->shader.fs->uniforms.const_count; ++x) {
727          if (ctx->gpu3d.PS_UNIFORMS[x] != ctx->shader_state.PS_UNIFORMS[x]) {
728             etna_coalsence_emit(stream, &coalesce, ctx->specs.ps_uniforms_offset + x*4, ctx->shader_state.PS_UNIFORMS[x]);
729             ctx->gpu3d.PS_UNIFORMS[x] = ctx->shader_state.PS_UNIFORMS[x];
730          }
731       }
732       etna_coalesce_end(stream, &coalesce);
733    }
734 /**** End of state update ****/
735 #undef EMIT_STATE
736 #undef EMIT_STATE_FIXP
737 #undef EMIT_STATE_RELOC
738    ctx->dirty = 0;
739    ctx->dirty_sampler_views = 0;
740 }
741