1 /*
2  * Copyright © 2014 Intel Corporation
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, sublicense,
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 next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * 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 NONINFRINGEMENT.  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  *	Mika Kuoppala <mika.kuoppala@intel.com>
25  */
26 
27 #include "intel_renderstate.h"
28 #include "intel_batchbuffer.h"
29 #include <lib/gen8_render.h>
30 #include <lib/intel_reg.h>
31 #include <string.h>
32 
gen8_emit_wm(struct intel_batchbuffer * batch)33 static void gen8_emit_wm(struct intel_batchbuffer *batch)
34 {
35 	OUT_BATCH(GEN6_3DSTATE_WM | (2 - 2));
36 	OUT_BATCH(GEN8_WM_LEGACY_DIAMOND_LINE_RASTERIZATION);
37 }
38 
gen8_emit_ps(struct intel_batchbuffer * batch)39 static void gen8_emit_ps(struct intel_batchbuffer *batch)
40 {
41 	OUT_BATCH(GEN7_3DSTATE_PS | (12 - 2));
42 	OUT_BATCH(0);
43 	OUT_BATCH(0); /* kernel hi */
44 	OUT_BATCH(GEN7_PS_SPF_MODE);
45 	OUT_BATCH(0); /* scratch space stuff */
46 	OUT_BATCH(0); /* scratch hi */
47 	OUT_BATCH(0);
48 	OUT_BATCH(0);
49 	OUT_BATCH(0); // kernel 1
50 	OUT_BATCH(0); /* kernel 1 hi */
51 	OUT_BATCH(0); // kernel 2
52 	OUT_BATCH(0); /* kernel 2 hi */
53 }
54 
gen8_emit_sf(struct intel_batchbuffer * batch)55 static void gen8_emit_sf(struct intel_batchbuffer *batch)
56 {
57 	OUT_BATCH(GEN6_3DSTATE_SF | (4 - 2));
58 	OUT_BATCH(0);
59 	OUT_BATCH(0);
60 	OUT_BATCH(1 << GEN6_3DSTATE_SF_TRIFAN_PROVOKE_SHIFT |
61 		  1 << GEN6_3DSTATE_SF_VERTEX_SUB_PIXEL_PRECISION_SHIFT |
62 		  GEN8_SF_POINT_WIDTH_FROM_SOURCE |
63 		  8);
64 }
65 
gen8_emit_vs(struct intel_batchbuffer * batch)66 static void gen8_emit_vs(struct intel_batchbuffer *batch)
67 {
68 	OUT_BATCH(GEN6_3DSTATE_VS | (9 - 2));
69 	OUT_BATCH(0);
70 	OUT_BATCH(0);
71 	OUT_BATCH(GEN8_VS_FLOATING_POINT_MODE_ALTERNATE);
72 	OUT_BATCH(0);
73 	OUT_BATCH(0);
74 	OUT_BATCH(0);
75 	OUT_BATCH(0);
76 	OUT_BATCH(0);
77 }
78 
gen8_emit_hs(struct intel_batchbuffer * batch)79 static void gen8_emit_hs(struct intel_batchbuffer *batch)
80 {
81 	OUT_BATCH(GEN7_3DSTATE_HS | (9 - 2));
82 	OUT_BATCH(0);
83 	OUT_BATCH(0);
84 	OUT_BATCH(0);
85 	OUT_BATCH(0);
86 	OUT_BATCH(0);
87 	OUT_BATCH(0);
88 	OUT_BATCH(1 << GEN7_SBE_URB_ENTRY_READ_LENGTH_SHIFT);
89 	OUT_BATCH(0);
90 }
91 
gen8_emit_raster(struct intel_batchbuffer * batch)92 static void gen8_emit_raster(struct intel_batchbuffer *batch)
93 {
94 	OUT_BATCH(GEN8_3DSTATE_RASTER | (5 - 2));
95 	OUT_BATCH(0);
96 	OUT_BATCH(0.0);
97 	OUT_BATCH(0.0);
98 	OUT_BATCH(0.0);
99 }
100 
gen8_emit_urb(struct intel_batchbuffer * batch)101 static void gen8_emit_urb(struct intel_batchbuffer *batch)
102 {
103 	const int vs_entries = 64;
104 	const int vs_size = 2;
105 	const int vs_start = 4;
106 
107 	OUT_BATCH(GEN7_3DSTATE_URB_VS);
108 	OUT_BATCH(vs_entries | ((vs_size - 1) << 16) | (vs_start << 25));
109 
110 	OUT_BATCH(GEN7_3DSTATE_URB_HS);
111 	OUT_BATCH(0x0f << 25);
112 
113 	OUT_BATCH(GEN7_3DSTATE_URB_DS);
114 	OUT_BATCH(0x0f << 25);
115 
116 	OUT_BATCH(GEN7_3DSTATE_URB_GS);
117 	OUT_BATCH(0x0f << 25);
118 }
119 
gen8_emit_vf_topology(struct intel_batchbuffer * batch)120 static void gen8_emit_vf_topology(struct intel_batchbuffer *batch)
121 {
122 	OUT_BATCH(GEN8_3DSTATE_VF_TOPOLOGY);
123 	OUT_BATCH(_3DPRIM_TRILIST);
124 }
125 
gen8_emit_so_decl_list(struct intel_batchbuffer * batch)126 static void gen8_emit_so_decl_list(struct intel_batchbuffer *batch)
127 {
128 	const int num_decls = 128;
129 	int i;
130 
131 	OUT_BATCH(GEN8_3DSTATE_SO_DECL_LIST | ((2 * num_decls) + 1));
132 	OUT_BATCH(0);
133 	OUT_BATCH(num_decls);
134 
135 	for (i = 0; i < num_decls; i++) {
136 		OUT_BATCH(0);
137 		OUT_BATCH(0);
138 	}
139 }
140 
gen8_emit_so_buffer(struct intel_batchbuffer * batch,const int index)141 static void gen8_emit_so_buffer(struct intel_batchbuffer *batch, const int index)
142 {
143 	OUT_BATCH(GEN8_3DSTATE_SO_BUFFER | (8 - 2));
144 	OUT_BATCH(index << 29);
145 	OUT_BATCH(0);
146 	OUT_BATCH(0);
147 	OUT_BATCH(0);
148 	OUT_BATCH(0);
149 	OUT_BATCH(0);
150 	OUT_BATCH(0);
151 }
152 
gen8_emit_state_base_address(struct intel_batchbuffer * batch)153 static void gen8_emit_state_base_address(struct intel_batchbuffer *batch) {
154 	const unsigned offset = 0;
155 	OUT_BATCH(GEN4_STATE_BASE_ADDRESS | (16 - 2));
156 
157 	/* general */
158 	OUT_RELOC(batch, 0, 0, offset | BASE_ADDRESS_MODIFY);
159 	OUT_BATCH(0);
160 
161 	/* stateless data port */
162 	OUT_BATCH(0);
163 
164 	/* surface state base addess */
165 	OUT_RELOC(batch, 0, 0, offset | BASE_ADDRESS_MODIFY);
166 	OUT_BATCH(0);
167 
168 	/* dynamic state base address */
169 	OUT_RELOC(batch, 0, 0, offset | BASE_ADDRESS_MODIFY);
170 	OUT_BATCH(0);
171 
172 	/* indirect */
173 	OUT_BATCH(BASE_ADDRESS_MODIFY);
174 	OUT_BATCH(0);
175 
176 	/* instruction */
177 	OUT_RELOC(batch, 0, 0, offset | BASE_ADDRESS_MODIFY);
178 	OUT_BATCH(0);
179 
180 	/* general state buffer size */
181 	OUT_BATCH(GEN8_STATE_SIZE_PAGES(1) | BUFFER_SIZE_MODIFY);
182 	/* dynamic state buffer size */
183 	OUT_BATCH(GEN8_STATE_SIZE_PAGES(1) | BUFFER_SIZE_MODIFY);
184 	/* indirect object buffer size */
185 	OUT_BATCH(0 | BUFFER_SIZE_MODIFY);
186 	/* intruction buffer size */
187 	OUT_BATCH(GEN8_STATE_SIZE_PAGES(1) | BUFFER_SIZE_MODIFY);
188 }
189 
gen8_emit_chroma_key(struct intel_batchbuffer * batch,const int index)190 static void gen8_emit_chroma_key(struct intel_batchbuffer *batch, const int index)
191 {
192 	OUT_BATCH(GEN6_3DSTATE_CHROMA_KEY | (4 - 2));
193 	OUT_BATCH(index << 30);
194 	OUT_BATCH(0);
195 	OUT_BATCH(0);
196 }
197 
gen8_emit_vertex_buffers(struct intel_batchbuffer * batch)198 static void gen8_emit_vertex_buffers(struct intel_batchbuffer *batch)
199 {
200 	const int buffers = 33;
201 	int i;
202 
203 	OUT_BATCH(GEN4_3DSTATE_VERTEX_BUFFERS | ((4 * buffers) - 1));
204 
205 	for (i = 0; i < buffers; i++) {
206 		OUT_BATCH(i << GEN6_VB0_BUFFER_INDEX_SHIFT |
207 			  GEN8_VB0_BUFFER_ADDR_MOD_EN);
208 		OUT_BATCH(0); /* Addr */
209 		OUT_BATCH(0);
210 		OUT_BATCH(0);
211 	}
212 }
213 
gen6_emit_vertex_elements(struct intel_batchbuffer * batch)214 static void gen6_emit_vertex_elements(struct intel_batchbuffer *batch)
215 {
216 	const int elements = 34;
217 	int i;
218 
219 	OUT_BATCH(GEN4_3DSTATE_VERTEX_ELEMENTS | ((2 * elements - 1)));
220 
221 	for (i = 0; i < elements; i++) {
222 		if (i == 0) {
223 			OUT_BATCH(GEN6_VE0_VALID | i);
224 			OUT_BATCH(
225 				GEN4_VFCOMPONENT_STORE_0 << VE1_VFCOMPONENT_0_SHIFT |
226 				GEN4_VFCOMPONENT_STORE_0 << VE1_VFCOMPONENT_1_SHIFT |
227 				GEN4_VFCOMPONENT_STORE_0 << VE1_VFCOMPONENT_2_SHIFT |
228 				GEN4_VFCOMPONENT_STORE_0 << VE1_VFCOMPONENT_3_SHIFT
229 				);
230 		} else {
231 			OUT_BATCH(0);
232 			OUT_BATCH(0);
233 		}
234 	}
235 }
236 
gen8_emit_cc_state_pointers(struct intel_batchbuffer * batch)237 static void gen8_emit_cc_state_pointers(struct intel_batchbuffer *batch)
238 {
239 	union {
240 		float fval;
241 		uint32_t uval;
242 	} u;
243 
244 	unsigned offset;
245 
246 	u.fval = 1.0f;
247 
248 	offset = intel_batch_state_offset(batch, 64);
249 	OUT_STATE(0);
250 	OUT_STATE(0);      /* Alpha reference value */
251 	OUT_STATE(u.uval); /* Blend constant color RED */
252 	OUT_STATE(u.uval); /* Blend constant color BLUE */
253 	OUT_STATE(u.uval); /* Blend constant color GREEN */
254 	OUT_STATE(u.uval); /* Blend constant color ALPHA */
255 
256 	OUT_BATCH(GEN6_3DSTATE_CC_STATE_POINTERS);
257 	OUT_BATCH_STATE_OFFSET(offset | 1);
258 }
259 
gen8_emit_blend_state_pointers(struct intel_batchbuffer * batch)260 static void gen8_emit_blend_state_pointers(struct intel_batchbuffer *batch)
261 {
262 	unsigned offset;
263 	int i;
264 
265 	offset = intel_batch_state_offset(batch, 64);
266 
267 	for (i = 0; i < 17; i++)
268 		OUT_STATE(0);
269 
270 	OUT_BATCH(GEN7_3DSTATE_BLEND_STATE_POINTERS | (2 - 2));
271 	OUT_BATCH_STATE_OFFSET(offset | 1);
272 }
273 
gen8_emit_ps_extra(struct intel_batchbuffer * batch)274 static void gen8_emit_ps_extra(struct intel_batchbuffer *batch)
275 {
276         OUT_BATCH(GEN8_3DSTATE_PS_EXTRA | (2 - 2));
277         OUT_BATCH(GEN8_PSX_PIXEL_SHADER_VALID |
278 		  GEN8_PSX_ATTRIBUTE_ENABLE);
279 
280 }
281 
gen8_emit_ps_blend(struct intel_batchbuffer * batch)282 static void gen8_emit_ps_blend(struct intel_batchbuffer *batch)
283 {
284         OUT_BATCH(GEN8_3DSTATE_PS_BLEND | (2 - 2));
285         OUT_BATCH(GEN8_PS_BLEND_HAS_WRITEABLE_RT);
286 }
287 
gen8_emit_viewport_state_pointers_cc(struct intel_batchbuffer * batch)288 static void gen8_emit_viewport_state_pointers_cc(struct intel_batchbuffer *batch)
289 {
290 	unsigned offset;
291 
292 	offset = intel_batch_state_offset(batch, 32);
293 
294 	OUT_STATE((uint32_t)0.0f); /* Minimum depth */
295 	OUT_STATE((uint32_t)0.0f); /* Maximum depth */
296 
297 	OUT_BATCH(GEN7_3DSTATE_VIEWPORT_STATE_POINTERS_CC | (2 - 2));
298 	OUT_BATCH_STATE_OFFSET(offset);
299 }
300 
gen8_emit_viewport_state_pointers_sf_clip(struct intel_batchbuffer * batch)301 static void gen8_emit_viewport_state_pointers_sf_clip(struct intel_batchbuffer *batch)
302 {
303 	unsigned offset;
304 	int i;
305 
306 	offset = intel_batch_state_offset(batch, 64);
307 
308 	for (i = 0; i < 16; i++)
309 		OUT_STATE(0);
310 
311 	OUT_BATCH(GEN8_3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP | (2 - 2));
312 	OUT_BATCH_STATE_OFFSET(offset);
313 }
314 
gen8_emit_primitive(struct intel_batchbuffer * batch)315 static void gen8_emit_primitive(struct intel_batchbuffer *batch)
316 {
317 	OUT_BATCH(GEN4_3DPRIMITIVE | (7 - 2));
318 	OUT_BATCH(4);   /* gen8+ ignore the topology type field */
319 	OUT_BATCH(1);   /* vertex count */
320 	OUT_BATCH(0);
321 	OUT_BATCH(1);   /* single instance */
322 	OUT_BATCH(0);   /* start instance location */
323 	OUT_BATCH(0);   /* index buffer offset, ignored */
324 }
325 
gen8_setup_null_render_state(struct intel_batchbuffer * batch)326 void gen8_setup_null_render_state(struct intel_batchbuffer *batch)
327 {
328 #define GEN8_PIPE_CONTROL_GLOBAL_GTT   (1 << 24)
329 
330 	OUT_BATCH(GEN6_PIPE_CONTROL | (6 - 2));
331 	OUT_BATCH(GEN8_PIPE_CONTROL_GLOBAL_GTT);
332 	OUT_BATCH(0);
333 	OUT_BATCH(0);
334 	OUT_BATCH(0);
335 	OUT_BATCH(0);
336 
337 	OUT_BATCH(G4X_PIPELINE_SELECT | PIPELINE_SELECT_3D);
338 
339 	gen8_emit_wm(batch);
340 	gen8_emit_ps(batch);
341 	gen8_emit_sf(batch);
342 
343 	OUT_CMD(GEN7_3DSTATE_SBE, 4);
344 	OUT_CMD(GEN8_3DSTATE_SBE_SWIZ, 11);
345 
346 	gen8_emit_vs(batch);
347 	gen8_emit_hs(batch);
348 
349 	OUT_CMD(GEN6_3DSTATE_GS, 10);
350 	OUT_CMD(GEN7_3DSTATE_STREAMOUT, 5);
351 	OUT_CMD(GEN7_3DSTATE_DS, 9);
352 	OUT_CMD(GEN6_3DSTATE_CLIP, 4);
353 	gen8_emit_raster(batch);
354 	OUT_CMD(GEN7_3DSTATE_TE, 4);
355 	OUT_CMD(GEN8_3DSTATE_VF, 2);
356 	OUT_CMD(GEN8_3DSTATE_WM_HZ_OP, 5);
357 
358 	gen8_emit_urb(batch);
359 
360 	OUT_CMD(GEN8_3DSTATE_BIND_TABLE_POOL_ALLOC, 4);
361 	OUT_CMD(GEN8_3DSTATE_GATHER_POOL_ALLOC, 4);
362 	OUT_CMD(GEN8_3DSTATE_DX9_CONSTANT_BUFFER_POOL_ALLOC, 4);
363 	OUT_CMD(GEN7_3DSTATE_PUSH_CONSTANT_ALLOC_VS, 2);
364 	OUT_CMD(GEN8_3DSTATE_PUSH_CONSTANT_ALLOC_HS, 2);
365 	OUT_CMD(GEN8_3DSTATE_PUSH_CONSTANT_ALLOC_DS, 2);
366 	OUT_CMD(GEN8_3DSTATE_PUSH_CONSTANT_ALLOC_GS, 2);
367 	OUT_CMD(GEN7_3DSTATE_PUSH_CONSTANT_ALLOC_PS, 2);
368 	OUT_CMD(GEN6_3DSTATE_CONSTANT_VS, 11);
369 	OUT_CMD(GEN7_3DSTATE_CONSTANT_HS, 11);
370 	OUT_CMD(GEN7_3DSTATE_CONSTANT_DS, 11);
371 	OUT_CMD(GEN6_3DSTATE_CONSTANT_GS, 11);
372 	OUT_CMD(GEN6_3DSTATE_CONSTANT_PS, 11);
373 	OUT_CMD(GEN8_3DSTATE_VF_INSTANCING, 3);
374 	OUT_CMD(GEN8_3DSTATE_VF_SGVS, 2);
375 
376 	gen8_emit_vf_topology(batch);
377 	gen8_emit_so_decl_list(batch);
378 
379 	gen8_emit_so_buffer(batch, 0);
380 	gen8_emit_so_buffer(batch, 1);
381 	gen8_emit_so_buffer(batch, 2);
382 	gen8_emit_so_buffer(batch, 3);
383 
384 	gen8_emit_state_base_address(batch);
385 
386 	OUT_CMD(GEN4_STATE_SIP, 3);
387 	OUT_CMD(GEN4_3DSTATE_DRAWING_RECTANGLE, 4);
388 	OUT_CMD(GEN7_3DSTATE_DEPTH_BUFFER, 8);
389 
390 	gen8_emit_chroma_key(batch, 0);
391 	gen8_emit_chroma_key(batch, 1);
392 	gen8_emit_chroma_key(batch, 2);
393 	gen8_emit_chroma_key(batch, 3);
394 
395 	OUT_CMD(GEN6_3DSTATE_LINE_STIPPLE, 3);
396 	OUT_CMD(GEN6_3DSTATE_AA_LINE_PARAMS, 3);
397 	OUT_CMD(GEN8_3DSTATE_STENCIL_BUFFER, 5);
398 	OUT_CMD(GEN8_3DSTATE_HIER_DEPTH_BUFFER, 5);
399 	OUT_CMD(GEN7_3DSTATE_CLEAR_PARAMS, 3);
400 	OUT_CMD(GEN6_3DSTATE_MONOFILTER_SIZE, 2);
401 	OUT_CMD(GEN8_3DSTATE_MULTISAMPLE, 2);
402 	OUT_CMD(GEN6_3DSTATE_POLY_STIPPLE_OFFSET, 2);
403 	OUT_CMD(GEN6_3DSTATE_POLY_STIPPLE_PATTERN, 33);
404 	OUT_CMD(GEN8_3DSTATE_SAMPLER_PALETTE_LOAD0, 16 + 1);
405 	OUT_CMD(GEN8_3DSTATE_SAMPLER_PALETTE_LOAD1, 16 + 1);
406 	OUT_CMD(GEN6_3DSTATE_INDEX_BUFFER, 5);
407 
408 	gen8_emit_vertex_buffers(batch);
409 	gen6_emit_vertex_elements(batch);
410 
411 	OUT_BATCH(GEN6_3DSTATE_VF_STATISTICS | 1); /* Enable */
412 
413 	OUT_CMD(GEN7_3DSTATE_BINDING_TABLE_POINTERS_VS, 2);
414 	OUT_CMD(GEN7_3DSTATE_BINDING_TABLE_POINTERS_HS, 2);
415 	OUT_CMD(GEN7_3DSTATE_BINDING_TABLE_POINTERS_DS, 2);
416 	OUT_CMD(GEN7_3DSTATE_BINDING_TABLE_POINTERS_GS, 2);
417 	OUT_CMD(GEN7_3DSTATE_BINDING_TABLE_POINTERS_PS, 2);
418 
419 	gen8_emit_cc_state_pointers(batch);
420 	gen8_emit_blend_state_pointers(batch);
421 
422 	gen8_emit_ps_extra(batch);
423 	gen8_emit_ps_blend(batch);
424 
425 	OUT_CMD(GEN7_3DSTATE_SAMPLER_STATE_POINTERS_VS, 2);
426 	OUT_CMD(GEN8_3DSTATE_SAMPLER_STATE_POINTERS_HS, 2);
427 	OUT_CMD(GEN8_3DSTATE_SAMPLER_STATE_POINTERS_DS, 2);
428 	OUT_CMD(GEN7_3DSTATE_SAMPLER_STATE_POINTERS_GS, 2);
429 	OUT_CMD(GEN7_3DSTATE_SAMPLER_STATE_POINTERS_PS, 2);
430 
431 	OUT_CMD(GEN8_3DSTATE_SCISSOR_STATE_POINTERS, 2);
432 
433 	gen8_emit_viewport_state_pointers_cc(batch);
434 	gen8_emit_viewport_state_pointers_sf_clip(batch);
435 
436 	gen8_emit_primitive(batch);
437 
438 	OUT_BATCH(MI_BATCH_BUFFER_END);
439 }
440