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1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
2 
3 /*
4  * Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice (including the next
14  * paragraph) shall be included in all copies or substantial portions of the
15  * Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23  * SOFTWARE.
24  *
25  * Authors:
26  *    Rob Clark <robclark@freedesktop.org>
27  */
28 
29 #include "pipe/p_state.h"
30 #include "util/u_string.h"
31 #include "util/u_memory.h"
32 #include "util/u_inlines.h"
33 #include "util/u_format.h"
34 
35 #include "freedreno_draw.h"
36 #include "freedreno_state.h"
37 #include "freedreno_resource.h"
38 
39 #include "fd3_gmem.h"
40 #include "fd3_context.h"
41 #include "fd3_emit.h"
42 #include "fd3_program.h"
43 #include "fd3_format.h"
44 #include "fd3_zsa.h"
45 
46 static void
emit_mrt(struct fd_ringbuffer * ring,unsigned nr_bufs,struct pipe_surface ** bufs,uint32_t * bases,uint32_t bin_w,bool decode_srgb)47 emit_mrt(struct fd_ringbuffer *ring, unsigned nr_bufs,
48 		 struct pipe_surface **bufs, uint32_t *bases, uint32_t bin_w,
49 		 bool decode_srgb)
50 {
51 	enum a3xx_tile_mode tile_mode;
52 	unsigned i;
53 
54 	if (bin_w) {
55 		tile_mode = TILE_32X32;
56 	} else {
57 		tile_mode = LINEAR;
58 	}
59 
60 	for (i = 0; i < A3XX_MAX_RENDER_TARGETS; i++) {
61 		enum pipe_format pformat = 0;
62 		enum a3xx_color_fmt format = 0;
63 		enum a3xx_color_swap swap = WZYX;
64 		bool srgb = false;
65 		struct fd_resource *rsc = NULL;
66 		struct fd_resource_slice *slice = NULL;
67 		uint32_t stride = 0;
68 		uint32_t base = 0;
69 		uint32_t offset = 0;
70 
71 		if ((i < nr_bufs) && bufs[i]) {
72 			struct pipe_surface *psurf = bufs[i];
73 
74 			rsc = fd_resource(psurf->texture);
75 			pformat = psurf->format;
76 			/* In case we're drawing to Z32F_S8, the "color" actually goes to
77 			 * the stencil
78 			 */
79 			if (rsc->stencil) {
80 				rsc = rsc->stencil;
81 				pformat = rsc->base.b.format;
82 				if (bases)
83 					bases++;
84 			}
85 			slice = fd_resource_slice(rsc, psurf->u.tex.level);
86 			format = fd3_pipe2color(pformat);
87 			swap = fd3_pipe2swap(pformat);
88 			if (decode_srgb)
89 				srgb = util_format_is_srgb(pformat);
90 			else
91 				pformat = util_format_linear(pformat);
92 
93 			debug_assert(psurf->u.tex.first_layer == psurf->u.tex.last_layer);
94 
95 			offset = fd_resource_offset(rsc, psurf->u.tex.level,
96 					psurf->u.tex.first_layer);
97 
98 			if (bin_w) {
99 				stride = bin_w * rsc->cpp;
100 
101 				if (bases) {
102 					base = bases[i];
103 				}
104 			} else {
105 				stride = slice->pitch * rsc->cpp;
106 			}
107 		} else if (i < nr_bufs && bases) {
108 			base = bases[i];
109 		}
110 
111 		OUT_PKT0(ring, REG_A3XX_RB_MRT_BUF_INFO(i), 2);
112 		OUT_RING(ring, A3XX_RB_MRT_BUF_INFO_COLOR_FORMAT(format) |
113 				A3XX_RB_MRT_BUF_INFO_COLOR_TILE_MODE(tile_mode) |
114 				A3XX_RB_MRT_BUF_INFO_COLOR_BUF_PITCH(stride) |
115 				A3XX_RB_MRT_BUF_INFO_COLOR_SWAP(swap) |
116 				COND(srgb, A3XX_RB_MRT_BUF_INFO_COLOR_SRGB));
117 		if (bin_w || (i >= nr_bufs) || !bufs[i]) {
118 			OUT_RING(ring, A3XX_RB_MRT_BUF_BASE_COLOR_BUF_BASE(base));
119 		} else {
120 			OUT_RELOCW(ring, rsc->bo, offset, 0, -1);
121 		}
122 
123 		OUT_PKT0(ring, REG_A3XX_SP_FS_IMAGE_OUTPUT_REG(i), 1);
124 		OUT_RING(ring, COND((i < nr_bufs) && bufs[i],
125 							A3XX_SP_FS_IMAGE_OUTPUT_REG_MRTFORMAT(
126 									fd3_fs_output_format(pformat))));
127 	}
128 }
129 
130 static bool
use_hw_binning(struct fd_batch * batch)131 use_hw_binning(struct fd_batch *batch)
132 {
133 	struct fd_gmem_stateobj *gmem = &batch->ctx->gmem;
134 
135 	/* workaround: combining scissor optimization and hw binning
136 	 * seems problematic.  Seems like we end up with a mismatch
137 	 * between binning pass and rendering pass, wrt. where the hw
138 	 * thinks the vertices belong.  And the blob driver doesn't
139 	 * seem to implement anything like scissor optimization, so
140 	 * not entirely sure what I might be missing.
141 	 *
142 	 * But scissor optimization is mainly for window managers,
143 	 * which don't have many vertices (and therefore doesn't
144 	 * benefit much from binning pass).
145 	 *
146 	 * So for now just disable binning if scissor optimization is
147 	 * used.
148 	 */
149 	if (gmem->minx || gmem->miny)
150 		return false;
151 
152 	return fd_binning_enabled && ((gmem->nbins_x * gmem->nbins_y) > 2);
153 }
154 
155 /* workaround for (hlsq?) lockup with hw binning on a3xx patchlevel 0 */
156 static void update_vsc_pipe(struct fd_batch *batch);
157 static void
emit_binning_workaround(struct fd_batch * batch)158 emit_binning_workaround(struct fd_batch *batch)
159 {
160 	struct fd_context *ctx = batch->ctx;
161 	struct fd_gmem_stateobj *gmem = &ctx->gmem;
162 	struct fd_ringbuffer *ring = batch->gmem;
163 	struct fd3_emit emit = {
164 			.debug = &ctx->debug,
165 			.vtx = &ctx->solid_vbuf_state,
166 			.prog = &ctx->solid_prog,
167 			.key = {
168 				.half_precision = true,
169 			},
170 	};
171 
172 	OUT_PKT0(ring, REG_A3XX_RB_MODE_CONTROL, 2);
173 	OUT_RING(ring, A3XX_RB_MODE_CONTROL_RENDER_MODE(RB_RESOLVE_PASS) |
174 			A3XX_RB_MODE_CONTROL_MARB_CACHE_SPLIT_MODE |
175 			A3XX_RB_MODE_CONTROL_MRT(0));
176 	OUT_RING(ring, A3XX_RB_RENDER_CONTROL_BIN_WIDTH(32) |
177 			A3XX_RB_RENDER_CONTROL_DISABLE_COLOR_PIPE |
178 			A3XX_RB_RENDER_CONTROL_ALPHA_TEST_FUNC(FUNC_NEVER));
179 
180 	OUT_PKT0(ring, REG_A3XX_RB_COPY_CONTROL, 4);
181 	OUT_RING(ring, A3XX_RB_COPY_CONTROL_MSAA_RESOLVE(MSAA_ONE) |
182 			A3XX_RB_COPY_CONTROL_MODE(0) |
183 			A3XX_RB_COPY_CONTROL_GMEM_BASE(0));
184 	OUT_RELOCW(ring, fd_resource(ctx->solid_vbuf)->bo, 0x20, 0, -1);  /* RB_COPY_DEST_BASE */
185 	OUT_RING(ring, A3XX_RB_COPY_DEST_PITCH_PITCH(128));
186 	OUT_RING(ring, A3XX_RB_COPY_DEST_INFO_TILE(LINEAR) |
187 			A3XX_RB_COPY_DEST_INFO_FORMAT(RB_R8G8B8A8_UNORM) |
188 			A3XX_RB_COPY_DEST_INFO_SWAP(WZYX) |
189 			A3XX_RB_COPY_DEST_INFO_COMPONENT_ENABLE(0xf) |
190 			A3XX_RB_COPY_DEST_INFO_ENDIAN(ENDIAN_NONE));
191 
192 	OUT_PKT0(ring, REG_A3XX_GRAS_SC_CONTROL, 1);
193 	OUT_RING(ring, A3XX_GRAS_SC_CONTROL_RENDER_MODE(RB_RESOLVE_PASS) |
194 			A3XX_GRAS_SC_CONTROL_MSAA_SAMPLES(MSAA_ONE) |
195 			A3XX_GRAS_SC_CONTROL_RASTER_MODE(1));
196 
197 	fd3_program_emit(ring, &emit, 0, NULL);
198 	fd3_emit_vertex_bufs(ring, &emit);
199 
200 	OUT_PKT0(ring, REG_A3XX_HLSQ_CONTROL_0_REG, 4);
201 	OUT_RING(ring, A3XX_HLSQ_CONTROL_0_REG_FSTHREADSIZE(FOUR_QUADS) |
202 			A3XX_HLSQ_CONTROL_0_REG_FSSUPERTHREADENABLE |
203 			A3XX_HLSQ_CONTROL_0_REG_RESERVED2 |
204 			A3XX_HLSQ_CONTROL_0_REG_SPCONSTFULLUPDATE);
205 	OUT_RING(ring, A3XX_HLSQ_CONTROL_1_REG_VSTHREADSIZE(TWO_QUADS) |
206 			A3XX_HLSQ_CONTROL_1_REG_VSSUPERTHREADENABLE);
207 	OUT_RING(ring, A3XX_HLSQ_CONTROL_2_REG_PRIMALLOCTHRESHOLD(31));
208 	OUT_RING(ring, 0); /* HLSQ_CONTROL_3_REG */
209 
210 	OUT_PKT0(ring, REG_A3XX_HLSQ_CONST_FSPRESV_RANGE_REG, 1);
211 	OUT_RING(ring, A3XX_HLSQ_CONST_FSPRESV_RANGE_REG_STARTENTRY(0x20) |
212 			A3XX_HLSQ_CONST_FSPRESV_RANGE_REG_ENDENTRY(0x20));
213 
214 	OUT_PKT0(ring, REG_A3XX_RB_MSAA_CONTROL, 1);
215 	OUT_RING(ring, A3XX_RB_MSAA_CONTROL_DISABLE |
216 			A3XX_RB_MSAA_CONTROL_SAMPLES(MSAA_ONE) |
217 			A3XX_RB_MSAA_CONTROL_SAMPLE_MASK(0xffff));
218 
219 	OUT_PKT0(ring, REG_A3XX_RB_DEPTH_CONTROL, 1);
220 	OUT_RING(ring, A3XX_RB_DEPTH_CONTROL_ZFUNC(FUNC_NEVER));
221 
222 	OUT_PKT0(ring, REG_A3XX_RB_STENCIL_CONTROL, 1);
223 	OUT_RING(ring, A3XX_RB_STENCIL_CONTROL_FUNC(FUNC_NEVER) |
224 			A3XX_RB_STENCIL_CONTROL_FAIL(STENCIL_KEEP) |
225 			A3XX_RB_STENCIL_CONTROL_ZPASS(STENCIL_KEEP) |
226 			A3XX_RB_STENCIL_CONTROL_ZFAIL(STENCIL_KEEP) |
227 			A3XX_RB_STENCIL_CONTROL_FUNC_BF(FUNC_NEVER) |
228 			A3XX_RB_STENCIL_CONTROL_FAIL_BF(STENCIL_KEEP) |
229 			A3XX_RB_STENCIL_CONTROL_ZPASS_BF(STENCIL_KEEP) |
230 			A3XX_RB_STENCIL_CONTROL_ZFAIL_BF(STENCIL_KEEP));
231 
232 	OUT_PKT0(ring, REG_A3XX_GRAS_SU_MODE_CONTROL, 1);
233 	OUT_RING(ring, A3XX_GRAS_SU_MODE_CONTROL_LINEHALFWIDTH(0.0));
234 
235 	OUT_PKT0(ring, REG_A3XX_VFD_INDEX_MIN, 4);
236 	OUT_RING(ring, 0);            /* VFD_INDEX_MIN */
237 	OUT_RING(ring, 2);            /* VFD_INDEX_MAX */
238 	OUT_RING(ring, 0);            /* VFD_INSTANCEID_OFFSET */
239 	OUT_RING(ring, 0);            /* VFD_INDEX_OFFSET */
240 
241 	OUT_PKT0(ring, REG_A3XX_PC_PRIM_VTX_CNTL, 1);
242 	OUT_RING(ring, A3XX_PC_PRIM_VTX_CNTL_STRIDE_IN_VPC(0) |
243 			A3XX_PC_PRIM_VTX_CNTL_POLYMODE_FRONT_PTYPE(PC_DRAW_TRIANGLES) |
244 			A3XX_PC_PRIM_VTX_CNTL_POLYMODE_BACK_PTYPE(PC_DRAW_TRIANGLES) |
245 			A3XX_PC_PRIM_VTX_CNTL_PROVOKING_VTX_LAST);
246 
247 	OUT_PKT0(ring, REG_A3XX_GRAS_SC_WINDOW_SCISSOR_TL, 2);
248 	OUT_RING(ring, A3XX_GRAS_SC_WINDOW_SCISSOR_TL_X(0) |
249 			A3XX_GRAS_SC_WINDOW_SCISSOR_TL_Y(1));
250 	OUT_RING(ring, A3XX_GRAS_SC_WINDOW_SCISSOR_BR_X(0) |
251 			A3XX_GRAS_SC_WINDOW_SCISSOR_BR_Y(1));
252 
253 	OUT_PKT0(ring, REG_A3XX_GRAS_SC_SCREEN_SCISSOR_TL, 2);
254 	OUT_RING(ring, A3XX_GRAS_SC_SCREEN_SCISSOR_TL_X(0) |
255 			A3XX_GRAS_SC_SCREEN_SCISSOR_TL_Y(0));
256 	OUT_RING(ring, A3XX_GRAS_SC_SCREEN_SCISSOR_BR_X(31) |
257 			A3XX_GRAS_SC_SCREEN_SCISSOR_BR_Y(0));
258 
259 	fd_wfi(batch, ring);
260 	OUT_PKT0(ring, REG_A3XX_GRAS_CL_VPORT_XOFFSET, 6);
261 	OUT_RING(ring, A3XX_GRAS_CL_VPORT_XOFFSET(0.0));
262 	OUT_RING(ring, A3XX_GRAS_CL_VPORT_XSCALE(1.0));
263 	OUT_RING(ring, A3XX_GRAS_CL_VPORT_YOFFSET(0.0));
264 	OUT_RING(ring, A3XX_GRAS_CL_VPORT_YSCALE(1.0));
265 	OUT_RING(ring, A3XX_GRAS_CL_VPORT_ZOFFSET(0.0));
266 	OUT_RING(ring, A3XX_GRAS_CL_VPORT_ZSCALE(1.0));
267 
268 	OUT_PKT0(ring, REG_A3XX_GRAS_CL_CLIP_CNTL, 1);
269 	OUT_RING(ring, A3XX_GRAS_CL_CLIP_CNTL_CLIP_DISABLE |
270 			A3XX_GRAS_CL_CLIP_CNTL_ZFAR_CLIP_DISABLE |
271 			A3XX_GRAS_CL_CLIP_CNTL_VP_CLIP_CODE_IGNORE |
272 			A3XX_GRAS_CL_CLIP_CNTL_VP_XFORM_DISABLE |
273 			A3XX_GRAS_CL_CLIP_CNTL_PERSP_DIVISION_DISABLE);
274 
275 	OUT_PKT0(ring, REG_A3XX_GRAS_CL_GB_CLIP_ADJ, 1);
276 	OUT_RING(ring, A3XX_GRAS_CL_GB_CLIP_ADJ_HORZ(0) |
277 			A3XX_GRAS_CL_GB_CLIP_ADJ_VERT(0));
278 
279 	OUT_PKT3(ring, CP_DRAW_INDX_2, 5);
280 	OUT_RING(ring, 0x00000000);   /* viz query info. */
281 	OUT_RING(ring, DRAW(DI_PT_RECTLIST, DI_SRC_SEL_IMMEDIATE,
282 						INDEX_SIZE_32_BIT, IGNORE_VISIBILITY, 0));
283 	OUT_RING(ring, 2);            /* NumIndices */
284 	OUT_RING(ring, 2);
285 	OUT_RING(ring, 1);
286 	fd_reset_wfi(batch);
287 
288 	OUT_PKT0(ring, REG_A3XX_HLSQ_CONTROL_0_REG, 1);
289 	OUT_RING(ring, A3XX_HLSQ_CONTROL_0_REG_FSTHREADSIZE(TWO_QUADS));
290 
291 	OUT_PKT0(ring, REG_A3XX_VFD_PERFCOUNTER0_SELECT, 1);
292 	OUT_RING(ring, 0x00000000);
293 
294 	fd_wfi(batch, ring);
295 	OUT_PKT0(ring, REG_A3XX_VSC_BIN_SIZE, 1);
296 	OUT_RING(ring, A3XX_VSC_BIN_SIZE_WIDTH(gmem->bin_w) |
297 			A3XX_VSC_BIN_SIZE_HEIGHT(gmem->bin_h));
298 
299 	OUT_PKT0(ring, REG_A3XX_GRAS_SC_CONTROL, 1);
300 	OUT_RING(ring, A3XX_GRAS_SC_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
301 			A3XX_GRAS_SC_CONTROL_MSAA_SAMPLES(MSAA_ONE) |
302 			A3XX_GRAS_SC_CONTROL_RASTER_MODE(0));
303 
304 	OUT_PKT0(ring, REG_A3XX_GRAS_CL_CLIP_CNTL, 1);
305 	OUT_RING(ring, 0x00000000);
306 }
307 
308 /* transfer from gmem to system memory (ie. normal RAM) */
309 
310 static void
emit_gmem2mem_surf(struct fd_batch * batch,enum adreno_rb_copy_control_mode mode,bool stencil,uint32_t base,struct pipe_surface * psurf)311 emit_gmem2mem_surf(struct fd_batch *batch,
312 				   enum adreno_rb_copy_control_mode mode,
313 				   bool stencil,
314 				   uint32_t base, struct pipe_surface *psurf)
315 {
316 	struct fd_ringbuffer *ring = batch->gmem;
317 	struct fd_resource *rsc = fd_resource(psurf->texture);
318 	enum pipe_format format = psurf->format;
319 	if (stencil) {
320 		rsc = rsc->stencil;
321 		format = rsc->base.b.format;
322 	}
323 	struct fd_resource_slice *slice = fd_resource_slice(rsc, psurf->u.tex.level);
324 	uint32_t offset = fd_resource_offset(rsc, psurf->u.tex.level,
325 			psurf->u.tex.first_layer);
326 
327 	debug_assert(psurf->u.tex.first_layer == psurf->u.tex.last_layer);
328 
329 	OUT_PKT0(ring, REG_A3XX_RB_COPY_CONTROL, 4);
330 	OUT_RING(ring, A3XX_RB_COPY_CONTROL_MSAA_RESOLVE(MSAA_ONE) |
331 			A3XX_RB_COPY_CONTROL_MODE(mode) |
332 			A3XX_RB_COPY_CONTROL_GMEM_BASE(base) |
333 			COND(format == PIPE_FORMAT_Z32_FLOAT ||
334 				 format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT,
335 				 A3XX_RB_COPY_CONTROL_DEPTH32_RESOLVE));
336 
337 	OUT_RELOCW(ring, rsc->bo, offset, 0, -1);    /* RB_COPY_DEST_BASE */
338 	OUT_RING(ring, A3XX_RB_COPY_DEST_PITCH_PITCH(slice->pitch * rsc->cpp));
339 	OUT_RING(ring, A3XX_RB_COPY_DEST_INFO_TILE(LINEAR) |
340 			A3XX_RB_COPY_DEST_INFO_FORMAT(fd3_pipe2color(format)) |
341 			A3XX_RB_COPY_DEST_INFO_COMPONENT_ENABLE(0xf) |
342 			A3XX_RB_COPY_DEST_INFO_ENDIAN(ENDIAN_NONE) |
343 			A3XX_RB_COPY_DEST_INFO_SWAP(fd3_pipe2swap(format)));
344 
345 	fd_draw(batch, ring, DI_PT_RECTLIST, IGNORE_VISIBILITY,
346 			DI_SRC_SEL_AUTO_INDEX, 2, 0, INDEX_SIZE_IGN, 0, 0, NULL);
347 }
348 
349 static void
fd3_emit_tile_gmem2mem(struct fd_batch * batch,struct fd_tile * tile)350 fd3_emit_tile_gmem2mem(struct fd_batch *batch, struct fd_tile *tile)
351 {
352 	struct fd_context *ctx = batch->ctx;
353 	struct fd_ringbuffer *ring = batch->gmem;
354 	struct pipe_framebuffer_state *pfb = &batch->framebuffer;
355 	struct fd3_emit emit = {
356 			.debug = &ctx->debug,
357 			.vtx = &ctx->solid_vbuf_state,
358 			.prog = &ctx->solid_prog,
359 			.key = {
360 				.half_precision = true,
361 			},
362 	};
363 	int i;
364 
365 	OUT_PKT0(ring, REG_A3XX_RB_DEPTH_CONTROL, 1);
366 	OUT_RING(ring, A3XX_RB_DEPTH_CONTROL_ZFUNC(FUNC_NEVER));
367 
368 	OUT_PKT0(ring, REG_A3XX_RB_STENCIL_CONTROL, 1);
369 	OUT_RING(ring, A3XX_RB_STENCIL_CONTROL_FUNC(FUNC_NEVER) |
370 			A3XX_RB_STENCIL_CONTROL_FAIL(STENCIL_KEEP) |
371 			A3XX_RB_STENCIL_CONTROL_ZPASS(STENCIL_KEEP) |
372 			A3XX_RB_STENCIL_CONTROL_ZFAIL(STENCIL_KEEP) |
373 			A3XX_RB_STENCIL_CONTROL_FUNC_BF(FUNC_NEVER) |
374 			A3XX_RB_STENCIL_CONTROL_FAIL_BF(STENCIL_KEEP) |
375 			A3XX_RB_STENCIL_CONTROL_ZPASS_BF(STENCIL_KEEP) |
376 			A3XX_RB_STENCIL_CONTROL_ZFAIL_BF(STENCIL_KEEP));
377 
378 	OUT_PKT0(ring, REG_A3XX_RB_STENCILREFMASK, 2);
379 	OUT_RING(ring, 0xff000000 |
380 			A3XX_RB_STENCILREFMASK_STENCILREF(0) |
381 			A3XX_RB_STENCILREFMASK_STENCILMASK(0) |
382 			A3XX_RB_STENCILREFMASK_STENCILWRITEMASK(0xff));
383 	OUT_RING(ring, 0xff000000 |
384 			A3XX_RB_STENCILREFMASK_STENCILREF(0) |
385 			A3XX_RB_STENCILREFMASK_STENCILMASK(0) |
386 			A3XX_RB_STENCILREFMASK_STENCILWRITEMASK(0xff));
387 
388 	OUT_PKT0(ring, REG_A3XX_GRAS_SU_MODE_CONTROL, 1);
389 	OUT_RING(ring, A3XX_GRAS_SU_MODE_CONTROL_LINEHALFWIDTH(0));
390 
391 	OUT_PKT0(ring, REG_A3XX_GRAS_CL_CLIP_CNTL, 1);
392 	OUT_RING(ring, 0x00000000);   /* GRAS_CL_CLIP_CNTL */
393 
394 	fd_wfi(batch, ring);
395 	OUT_PKT0(ring, REG_A3XX_GRAS_CL_VPORT_XOFFSET, 6);
396 	OUT_RING(ring, A3XX_GRAS_CL_VPORT_XOFFSET((float)pfb->width/2.0 - 0.5));
397 	OUT_RING(ring, A3XX_GRAS_CL_VPORT_XSCALE((float)pfb->width/2.0));
398 	OUT_RING(ring, A3XX_GRAS_CL_VPORT_YOFFSET((float)pfb->height/2.0 - 0.5));
399 	OUT_RING(ring, A3XX_GRAS_CL_VPORT_YSCALE(-(float)pfb->height/2.0));
400 	OUT_RING(ring, A3XX_GRAS_CL_VPORT_ZOFFSET(0.0));
401 	OUT_RING(ring, A3XX_GRAS_CL_VPORT_ZSCALE(1.0));
402 
403 	OUT_PKT0(ring, REG_A3XX_RB_MODE_CONTROL, 1);
404 	OUT_RING(ring, A3XX_RB_MODE_CONTROL_RENDER_MODE(RB_RESOLVE_PASS) |
405 			A3XX_RB_MODE_CONTROL_MARB_CACHE_SPLIT_MODE |
406 			A3XX_RB_MODE_CONTROL_MRT(0));
407 
408 	OUT_PKT0(ring, REG_A3XX_RB_RENDER_CONTROL, 1);
409 	OUT_RING(ring, A3XX_RB_RENDER_CONTROL_DISABLE_COLOR_PIPE |
410 			A3XX_RB_RENDER_CONTROL_ENABLE_GMEM |
411 			A3XX_RB_RENDER_CONTROL_ALPHA_TEST_FUNC(FUNC_NEVER) |
412 			A3XX_RB_RENDER_CONTROL_BIN_WIDTH(ctx->gmem.bin_w));
413 
414 	OUT_PKT0(ring, REG_A3XX_GRAS_SC_CONTROL, 1);
415 	OUT_RING(ring, A3XX_GRAS_SC_CONTROL_RENDER_MODE(RB_RESOLVE_PASS) |
416 			A3XX_GRAS_SC_CONTROL_MSAA_SAMPLES(MSAA_ONE) |
417 			A3XX_GRAS_SC_CONTROL_RASTER_MODE(1));
418 
419 	OUT_PKT0(ring, REG_A3XX_PC_PRIM_VTX_CNTL, 1);
420 	OUT_RING(ring, A3XX_PC_PRIM_VTX_CNTL_STRIDE_IN_VPC(0) |
421 			A3XX_PC_PRIM_VTX_CNTL_POLYMODE_FRONT_PTYPE(PC_DRAW_TRIANGLES) |
422 			A3XX_PC_PRIM_VTX_CNTL_POLYMODE_BACK_PTYPE(PC_DRAW_TRIANGLES) |
423 			A3XX_PC_PRIM_VTX_CNTL_PROVOKING_VTX_LAST);
424 
425 	OUT_PKT0(ring, REG_A3XX_GRAS_SC_WINDOW_SCISSOR_TL, 2);
426 	OUT_RING(ring, A3XX_GRAS_SC_WINDOW_SCISSOR_TL_X(0) |
427 			A3XX_GRAS_SC_WINDOW_SCISSOR_TL_Y(0));
428 	OUT_RING(ring, A3XX_GRAS_SC_WINDOW_SCISSOR_BR_X(pfb->width - 1) |
429 			A3XX_GRAS_SC_WINDOW_SCISSOR_BR_Y(pfb->height - 1));
430 
431 	OUT_PKT0(ring, REG_A3XX_VFD_INDEX_MIN, 4);
432 	OUT_RING(ring, 0);            /* VFD_INDEX_MIN */
433 	OUT_RING(ring, 2);            /* VFD_INDEX_MAX */
434 	OUT_RING(ring, 0);            /* VFD_INSTANCEID_OFFSET */
435 	OUT_RING(ring, 0);            /* VFD_INDEX_OFFSET */
436 
437 	fd3_program_emit(ring, &emit, 0, NULL);
438 	fd3_emit_vertex_bufs(ring, &emit);
439 
440 	if (batch->resolve & (FD_BUFFER_DEPTH | FD_BUFFER_STENCIL)) {
441 		struct fd_resource *rsc = fd_resource(pfb->zsbuf->texture);
442 		if (!rsc->stencil || batch->resolve & FD_BUFFER_DEPTH)
443 			emit_gmem2mem_surf(batch, RB_COPY_DEPTH_STENCIL, false,
444 							   ctx->gmem.zsbuf_base[0], pfb->zsbuf);
445 		if (rsc->stencil && batch->resolve & FD_BUFFER_STENCIL)
446 			emit_gmem2mem_surf(batch, RB_COPY_DEPTH_STENCIL, true,
447 							   ctx->gmem.zsbuf_base[1], pfb->zsbuf);
448 	}
449 
450 	if (batch->resolve & FD_BUFFER_COLOR) {
451 		for (i = 0; i < pfb->nr_cbufs; i++) {
452 			if (!pfb->cbufs[i])
453 				continue;
454 			if (!(batch->resolve & (PIPE_CLEAR_COLOR0 << i)))
455 				continue;
456 			emit_gmem2mem_surf(batch, RB_COPY_RESOLVE, false,
457 							   ctx->gmem.cbuf_base[i], pfb->cbufs[i]);
458 		}
459 	}
460 
461 	OUT_PKT0(ring, REG_A3XX_RB_MODE_CONTROL, 1);
462 	OUT_RING(ring, A3XX_RB_MODE_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
463 			A3XX_RB_MODE_CONTROL_MARB_CACHE_SPLIT_MODE |
464 			A3XX_RB_MODE_CONTROL_MRT(MAX2(1, pfb->nr_cbufs) - 1));
465 
466 	OUT_PKT0(ring, REG_A3XX_GRAS_SC_CONTROL, 1);
467 	OUT_RING(ring, A3XX_GRAS_SC_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
468 			A3XX_GRAS_SC_CONTROL_MSAA_SAMPLES(MSAA_ONE) |
469 			A3XX_GRAS_SC_CONTROL_RASTER_MODE(0));
470 }
471 
472 /* transfer from system memory to gmem */
473 
474 static void
emit_mem2gmem_surf(struct fd_batch * batch,uint32_t bases[],struct pipe_surface ** psurf,uint32_t bufs,uint32_t bin_w)475 emit_mem2gmem_surf(struct fd_batch *batch, uint32_t bases[],
476 		struct pipe_surface **psurf, uint32_t bufs, uint32_t bin_w)
477 {
478 	struct fd_ringbuffer *ring = batch->gmem;
479 	struct pipe_surface *zsbufs[2];
480 
481 	assert(bufs > 0);
482 
483 	OUT_PKT0(ring, REG_A3XX_RB_MODE_CONTROL, 1);
484 	OUT_RING(ring, A3XX_RB_MODE_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
485 				   A3XX_RB_MODE_CONTROL_MARB_CACHE_SPLIT_MODE |
486 				   A3XX_RB_MODE_CONTROL_MRT(bufs - 1));
487 
488 	emit_mrt(ring, bufs, psurf, bases, bin_w, false);
489 
490 	if (psurf[0] && (psurf[0]->format == PIPE_FORMAT_Z32_FLOAT ||
491 					 psurf[0]->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)) {
492 		/* Depth is stored as unorm in gmem, so we have to write it in using a
493 		 * special blit shader which writes depth.
494 		 */
495 		OUT_PKT0(ring, REG_A3XX_RB_DEPTH_CONTROL, 1);
496 		OUT_RING(ring, (A3XX_RB_DEPTH_CONTROL_FRAG_WRITES_Z |
497 						A3XX_RB_DEPTH_CONTROL_Z_WRITE_ENABLE |
498 						A3XX_RB_DEPTH_CONTROL_Z_ENABLE |
499 						A3XX_RB_DEPTH_CONTROL_EARLY_Z_DISABLE |
500 						A3XX_RB_DEPTH_CONTROL_ZFUNC(FUNC_ALWAYS)));
501 
502 		OUT_PKT0(ring, REG_A3XX_RB_DEPTH_INFO, 2);
503 		OUT_RING(ring, A3XX_RB_DEPTH_INFO_DEPTH_BASE(bases[0]) |
504 				 A3XX_RB_DEPTH_INFO_DEPTH_FORMAT(DEPTHX_32));
505 		OUT_RING(ring, A3XX_RB_DEPTH_PITCH(4 * batch->ctx->gmem.bin_w));
506 
507 		if (psurf[0]->format == PIPE_FORMAT_Z32_FLOAT) {
508 			OUT_PKT0(ring, REG_A3XX_RB_MRT_CONTROL(0), 1);
509 			OUT_RING(ring, 0);
510 		} else {
511 			/* The gmem_restore_tex logic will put the first buffer's stencil
512 			 * as color. Supply it with the proper information to make that
513 			 * happen.
514 			 */
515 			zsbufs[0] = zsbufs[1] = psurf[0];
516 			psurf = zsbufs;
517 			bufs = 2;
518 		}
519 	} else {
520 		OUT_PKT0(ring, REG_A3XX_SP_FS_OUTPUT_REG, 1);
521 		OUT_RING(ring, A3XX_SP_FS_OUTPUT_REG_MRT(bufs - 1));
522 	}
523 
524 	fd3_emit_gmem_restore_tex(ring, psurf, bufs);
525 
526 	fd_draw(batch, ring, DI_PT_RECTLIST, IGNORE_VISIBILITY,
527 			DI_SRC_SEL_AUTO_INDEX, 2, 0, INDEX_SIZE_IGN, 0, 0, NULL);
528 }
529 
530 static void
fd3_emit_tile_mem2gmem(struct fd_batch * batch,struct fd_tile * tile)531 fd3_emit_tile_mem2gmem(struct fd_batch *batch, struct fd_tile *tile)
532 {
533 	struct fd_context *ctx = batch->ctx;
534 	struct fd_gmem_stateobj *gmem = &ctx->gmem;
535 	struct fd_ringbuffer *ring = batch->gmem;
536 	struct pipe_framebuffer_state *pfb = &batch->framebuffer;
537 	struct fd3_emit emit = {
538 			.debug = &ctx->debug,
539 			.vtx = &ctx->blit_vbuf_state,
540 			.sprite_coord_enable = 1,
541 			/* NOTE: They all use the same VP, this is for vtx bufs. */
542 			.prog = &ctx->blit_prog[0],
543 			.key = {
544 				.half_precision = fd_half_precision(pfb),
545 			},
546 	};
547 	float x0, y0, x1, y1;
548 	unsigned bin_w = tile->bin_w;
549 	unsigned bin_h = tile->bin_h;
550 	unsigned i;
551 
552 	/* write texture coordinates to vertexbuf: */
553 	x0 = ((float)tile->xoff) / ((float)pfb->width);
554 	x1 = ((float)tile->xoff + bin_w) / ((float)pfb->width);
555 	y0 = ((float)tile->yoff) / ((float)pfb->height);
556 	y1 = ((float)tile->yoff + bin_h) / ((float)pfb->height);
557 
558 	OUT_PKT3(ring, CP_MEM_WRITE, 5);
559 	OUT_RELOCW(ring, fd_resource(ctx->blit_texcoord_vbuf)->bo, 0, 0, 0);
560 	OUT_RING(ring, fui(x0));
561 	OUT_RING(ring, fui(y0));
562 	OUT_RING(ring, fui(x1));
563 	OUT_RING(ring, fui(y1));
564 
565 	fd3_emit_cache_flush(batch, ring);
566 
567 	for (i = 0; i < 4; i++) {
568 		OUT_PKT0(ring, REG_A3XX_RB_MRT_CONTROL(i), 1);
569 		OUT_RING(ring, A3XX_RB_MRT_CONTROL_ROP_CODE(ROP_COPY) |
570 				A3XX_RB_MRT_CONTROL_DITHER_MODE(DITHER_DISABLE) |
571 				A3XX_RB_MRT_CONTROL_COMPONENT_ENABLE(0xf));
572 
573 		OUT_PKT0(ring, REG_A3XX_RB_MRT_BLEND_CONTROL(i), 1);
574 		OUT_RING(ring, A3XX_RB_MRT_BLEND_CONTROL_RGB_SRC_FACTOR(FACTOR_ONE) |
575 				A3XX_RB_MRT_BLEND_CONTROL_RGB_BLEND_OPCODE(BLEND_DST_PLUS_SRC) |
576 				A3XX_RB_MRT_BLEND_CONTROL_RGB_DEST_FACTOR(FACTOR_ZERO) |
577 				A3XX_RB_MRT_BLEND_CONTROL_ALPHA_SRC_FACTOR(FACTOR_ONE) |
578 				A3XX_RB_MRT_BLEND_CONTROL_ALPHA_BLEND_OPCODE(BLEND_DST_PLUS_SRC) |
579 				A3XX_RB_MRT_BLEND_CONTROL_ALPHA_DEST_FACTOR(FACTOR_ZERO));
580 	}
581 
582 	OUT_PKT0(ring, REG_A3XX_RB_RENDER_CONTROL, 1);
583 	OUT_RING(ring, A3XX_RB_RENDER_CONTROL_ALPHA_TEST_FUNC(FUNC_ALWAYS) |
584 			A3XX_RB_RENDER_CONTROL_BIN_WIDTH(gmem->bin_w));
585 
586 	fd_wfi(batch, ring);
587 	OUT_PKT0(ring, REG_A3XX_RB_DEPTH_CONTROL, 1);
588 	OUT_RING(ring, A3XX_RB_DEPTH_CONTROL_ZFUNC(FUNC_LESS));
589 
590 	OUT_PKT0(ring, REG_A3XX_RB_DEPTH_INFO, 2);
591 	OUT_RING(ring, 0);
592 	OUT_RING(ring, 0);
593 
594 	OUT_PKT0(ring, REG_A3XX_GRAS_CL_CLIP_CNTL, 1);
595 	OUT_RING(ring, A3XX_GRAS_CL_CLIP_CNTL_IJ_PERSP_CENTER);   /* GRAS_CL_CLIP_CNTL */
596 
597 	fd_wfi(batch, ring);
598 	OUT_PKT0(ring, REG_A3XX_GRAS_CL_VPORT_XOFFSET, 6);
599 	OUT_RING(ring, A3XX_GRAS_CL_VPORT_XOFFSET((float)bin_w/2.0 - 0.5));
600 	OUT_RING(ring, A3XX_GRAS_CL_VPORT_XSCALE((float)bin_w/2.0));
601 	OUT_RING(ring, A3XX_GRAS_CL_VPORT_YOFFSET((float)bin_h/2.0 - 0.5));
602 	OUT_RING(ring, A3XX_GRAS_CL_VPORT_YSCALE(-(float)bin_h/2.0));
603 	OUT_RING(ring, A3XX_GRAS_CL_VPORT_ZOFFSET(0.0));
604 	OUT_RING(ring, A3XX_GRAS_CL_VPORT_ZSCALE(1.0));
605 
606 	OUT_PKT0(ring, REG_A3XX_GRAS_SC_WINDOW_SCISSOR_TL, 2);
607 	OUT_RING(ring, A3XX_GRAS_SC_WINDOW_SCISSOR_TL_X(0) |
608 			A3XX_GRAS_SC_WINDOW_SCISSOR_TL_Y(0));
609 	OUT_RING(ring, A3XX_GRAS_SC_WINDOW_SCISSOR_BR_X(bin_w - 1) |
610 			A3XX_GRAS_SC_WINDOW_SCISSOR_BR_Y(bin_h - 1));
611 
612 	OUT_PKT0(ring, REG_A3XX_GRAS_SC_SCREEN_SCISSOR_TL, 2);
613 	OUT_RING(ring, A3XX_GRAS_SC_SCREEN_SCISSOR_TL_X(0) |
614 			A3XX_GRAS_SC_SCREEN_SCISSOR_TL_Y(0));
615 	OUT_RING(ring, A3XX_GRAS_SC_SCREEN_SCISSOR_BR_X(bin_w - 1) |
616 			A3XX_GRAS_SC_SCREEN_SCISSOR_BR_Y(bin_h - 1));
617 
618 	OUT_PKT0(ring, REG_A3XX_RB_STENCIL_CONTROL, 1);
619 	OUT_RING(ring, 0x2 |
620 			A3XX_RB_STENCIL_CONTROL_FUNC(FUNC_ALWAYS) |
621 			A3XX_RB_STENCIL_CONTROL_FAIL(STENCIL_KEEP) |
622 			A3XX_RB_STENCIL_CONTROL_ZPASS(STENCIL_KEEP) |
623 			A3XX_RB_STENCIL_CONTROL_ZFAIL(STENCIL_KEEP) |
624 			A3XX_RB_STENCIL_CONTROL_FUNC_BF(FUNC_ALWAYS) |
625 			A3XX_RB_STENCIL_CONTROL_FAIL_BF(STENCIL_KEEP) |
626 			A3XX_RB_STENCIL_CONTROL_ZPASS_BF(STENCIL_KEEP) |
627 			A3XX_RB_STENCIL_CONTROL_ZFAIL_BF(STENCIL_KEEP));
628 
629 	OUT_PKT0(ring, REG_A3XX_RB_STENCIL_INFO, 2);
630 	OUT_RING(ring, 0); /* RB_STENCIL_INFO */
631 	OUT_RING(ring, 0); /* RB_STENCIL_PITCH */
632 
633 	OUT_PKT0(ring, REG_A3XX_GRAS_SC_CONTROL, 1);
634 	OUT_RING(ring, A3XX_GRAS_SC_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
635 			A3XX_GRAS_SC_CONTROL_MSAA_SAMPLES(MSAA_ONE) |
636 			A3XX_GRAS_SC_CONTROL_RASTER_MODE(1));
637 
638 	OUT_PKT0(ring, REG_A3XX_PC_PRIM_VTX_CNTL, 1);
639 	OUT_RING(ring, A3XX_PC_PRIM_VTX_CNTL_STRIDE_IN_VPC(2) |
640 			A3XX_PC_PRIM_VTX_CNTL_POLYMODE_FRONT_PTYPE(PC_DRAW_TRIANGLES) |
641 			A3XX_PC_PRIM_VTX_CNTL_POLYMODE_BACK_PTYPE(PC_DRAW_TRIANGLES) |
642 			A3XX_PC_PRIM_VTX_CNTL_PROVOKING_VTX_LAST);
643 
644 	OUT_PKT0(ring, REG_A3XX_VFD_INDEX_MIN, 4);
645 	OUT_RING(ring, 0);            /* VFD_INDEX_MIN */
646 	OUT_RING(ring, 2);            /* VFD_INDEX_MAX */
647 	OUT_RING(ring, 0);            /* VFD_INSTANCEID_OFFSET */
648 	OUT_RING(ring, 0);            /* VFD_INDEX_OFFSET */
649 
650 	fd3_emit_vertex_bufs(ring, &emit);
651 
652 	/* for gmem pitch/base calculations, we need to use the non-
653 	 * truncated tile sizes:
654 	 */
655 	bin_w = gmem->bin_w;
656 	bin_h = gmem->bin_h;
657 
658 	if (fd_gmem_needs_restore(batch, tile, FD_BUFFER_COLOR)) {
659 		emit.prog = &ctx->blit_prog[pfb->nr_cbufs - 1];
660 		emit.fp = NULL;      /* frag shader changed so clear cache */
661 		fd3_program_emit(ring, &emit, pfb->nr_cbufs, pfb->cbufs);
662 		emit_mem2gmem_surf(batch, gmem->cbuf_base, pfb->cbufs, pfb->nr_cbufs, bin_w);
663 	}
664 
665 	if (fd_gmem_needs_restore(batch, tile, FD_BUFFER_DEPTH | FD_BUFFER_STENCIL)) {
666 		if (pfb->zsbuf->format != PIPE_FORMAT_Z32_FLOAT_S8X24_UINT &&
667 			pfb->zsbuf->format != PIPE_FORMAT_Z32_FLOAT) {
668 			/* Non-float can use a regular color write. It's split over 8-bit
669 			 * components, so half precision is always sufficient.
670 			 */
671 			emit.prog = &ctx->blit_prog[0];
672 			emit.key.half_precision = true;
673 		} else {
674 			/* Float depth needs special blit shader that writes depth */
675 			if (pfb->zsbuf->format == PIPE_FORMAT_Z32_FLOAT)
676 				emit.prog = &ctx->blit_z;
677 			else
678 				emit.prog = &ctx->blit_zs;
679 			emit.key.half_precision = false;
680 		}
681 		emit.fp = NULL;      /* frag shader changed so clear cache */
682 		fd3_program_emit(ring, &emit, 1, &pfb->zsbuf);
683 		emit_mem2gmem_surf(batch, gmem->zsbuf_base, &pfb->zsbuf, 1, bin_w);
684 	}
685 
686 	OUT_PKT0(ring, REG_A3XX_GRAS_SC_CONTROL, 1);
687 	OUT_RING(ring, A3XX_GRAS_SC_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
688 			A3XX_GRAS_SC_CONTROL_MSAA_SAMPLES(MSAA_ONE) |
689 			A3XX_GRAS_SC_CONTROL_RASTER_MODE(0));
690 
691 	OUT_PKT0(ring, REG_A3XX_RB_MODE_CONTROL, 1);
692 	OUT_RING(ring, A3XX_RB_MODE_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
693 				   A3XX_RB_MODE_CONTROL_MARB_CACHE_SPLIT_MODE |
694 				   A3XX_RB_MODE_CONTROL_MRT(MAX2(1, pfb->nr_cbufs) - 1));
695 }
696 
697 static void
patch_draws(struct fd_batch * batch,enum pc_di_vis_cull_mode vismode)698 patch_draws(struct fd_batch *batch, enum pc_di_vis_cull_mode vismode)
699 {
700 	unsigned i;
701 	for (i = 0; i < fd_patch_num_elements(&batch->draw_patches); i++) {
702 		struct fd_cs_patch *patch = fd_patch_element(&batch->draw_patches, i);
703 		*patch->cs = patch->val | DRAW(0, 0, 0, vismode, 0);
704 	}
705 	util_dynarray_resize(&batch->draw_patches, 0);
706 }
707 
708 static void
patch_rbrc(struct fd_batch * batch,uint32_t val)709 patch_rbrc(struct fd_batch *batch, uint32_t val)
710 {
711 	unsigned i;
712 	for (i = 0; i < fd_patch_num_elements(&batch->rbrc_patches); i++) {
713 		struct fd_cs_patch *patch = fd_patch_element(&batch->rbrc_patches, i);
714 		*patch->cs = patch->val | val;
715 	}
716 	util_dynarray_resize(&batch->rbrc_patches, 0);
717 }
718 
719 /* for rendering directly to system memory: */
720 static void
fd3_emit_sysmem_prep(struct fd_batch * batch)721 fd3_emit_sysmem_prep(struct fd_batch *batch)
722 {
723 	struct pipe_framebuffer_state *pfb = &batch->framebuffer;
724 	struct fd_ringbuffer *ring = batch->gmem;
725 	uint32_t i, pitch = 0;
726 
727 	for (i = 0; i < pfb->nr_cbufs; i++) {
728 		struct pipe_surface *psurf = pfb->cbufs[i];
729 		if (!psurf)
730 			continue;
731 		pitch = fd_resource(psurf->texture)->slices[psurf->u.tex.level].pitch;
732 	}
733 
734 	fd3_emit_restore(batch, ring);
735 
736 	OUT_PKT0(ring, REG_A3XX_RB_FRAME_BUFFER_DIMENSION, 1);
737 	OUT_RING(ring, A3XX_RB_FRAME_BUFFER_DIMENSION_WIDTH(pfb->width) |
738 			A3XX_RB_FRAME_BUFFER_DIMENSION_HEIGHT(pfb->height));
739 
740 	emit_mrt(ring, pfb->nr_cbufs, pfb->cbufs, NULL, 0, true);
741 
742 	/* setup scissor/offset for current tile: */
743 	OUT_PKT0(ring, REG_A3XX_RB_WINDOW_OFFSET, 1);
744 	OUT_RING(ring, A3XX_RB_WINDOW_OFFSET_X(0) |
745 			A3XX_RB_WINDOW_OFFSET_Y(0));
746 
747 	OUT_PKT0(ring, REG_A3XX_GRAS_SC_SCREEN_SCISSOR_TL, 2);
748 	OUT_RING(ring, A3XX_GRAS_SC_SCREEN_SCISSOR_TL_X(0) |
749 			A3XX_GRAS_SC_SCREEN_SCISSOR_TL_Y(0));
750 	OUT_RING(ring, A3XX_GRAS_SC_SCREEN_SCISSOR_BR_X(pfb->width - 1) |
751 			A3XX_GRAS_SC_SCREEN_SCISSOR_BR_Y(pfb->height - 1));
752 
753 	OUT_PKT0(ring, REG_A3XX_RB_MODE_CONTROL, 1);
754 	OUT_RING(ring, A3XX_RB_MODE_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
755 			A3XX_RB_MODE_CONTROL_GMEM_BYPASS |
756 			A3XX_RB_MODE_CONTROL_MARB_CACHE_SPLIT_MODE |
757 			A3XX_RB_MODE_CONTROL_MRT(MAX2(1, pfb->nr_cbufs) - 1));
758 
759 	patch_draws(batch, IGNORE_VISIBILITY);
760 	patch_rbrc(batch, A3XX_RB_RENDER_CONTROL_BIN_WIDTH(pitch));
761 }
762 
763 static void
update_vsc_pipe(struct fd_batch * batch)764 update_vsc_pipe(struct fd_batch *batch)
765 {
766 	struct fd_context *ctx = batch->ctx;
767 	struct fd3_context *fd3_ctx = fd3_context(ctx);
768 	struct fd_ringbuffer *ring = batch->gmem;
769 	int i;
770 
771 	OUT_PKT0(ring, REG_A3XX_VSC_SIZE_ADDRESS, 1);
772 	OUT_RELOCW(ring, fd3_ctx->vsc_size_mem, 0, 0, 0); /* VSC_SIZE_ADDRESS */
773 
774 	for (i = 0; i < 8; i++) {
775 		struct fd_vsc_pipe *pipe = &ctx->pipe[i];
776 
777 		if (!pipe->bo) {
778 			pipe->bo = fd_bo_new(ctx->dev, 0x40000,
779 					DRM_FREEDRENO_GEM_TYPE_KMEM);
780 		}
781 
782 		OUT_PKT0(ring, REG_A3XX_VSC_PIPE(i), 3);
783 		OUT_RING(ring, A3XX_VSC_PIPE_CONFIG_X(pipe->x) |
784 				A3XX_VSC_PIPE_CONFIG_Y(pipe->y) |
785 				A3XX_VSC_PIPE_CONFIG_W(pipe->w) |
786 				A3XX_VSC_PIPE_CONFIG_H(pipe->h));
787 		OUT_RELOCW(ring, pipe->bo, 0, 0, 0);       /* VSC_PIPE[i].DATA_ADDRESS */
788 		OUT_RING(ring, fd_bo_size(pipe->bo) - 32); /* VSC_PIPE[i].DATA_LENGTH */
789 	}
790 }
791 
792 static void
emit_binning_pass(struct fd_batch * batch)793 emit_binning_pass(struct fd_batch *batch)
794 {
795 	struct fd_context *ctx = batch->ctx;
796 	struct fd_gmem_stateobj *gmem = &ctx->gmem;
797 	struct pipe_framebuffer_state *pfb = &batch->framebuffer;
798 	struct fd_ringbuffer *ring = batch->gmem;
799 	int i;
800 
801 	uint32_t x1 = gmem->minx;
802 	uint32_t y1 = gmem->miny;
803 	uint32_t x2 = gmem->minx + gmem->width - 1;
804 	uint32_t y2 = gmem->miny + gmem->height - 1;
805 
806 	if (ctx->screen->gpu_id == 320) {
807 		emit_binning_workaround(batch);
808 		fd_wfi(batch, ring);
809 		OUT_PKT3(ring, CP_INVALIDATE_STATE, 1);
810 		OUT_RING(ring, 0x00007fff);
811 	}
812 
813 	OUT_PKT0(ring, REG_A3XX_VSC_BIN_CONTROL, 1);
814 	OUT_RING(ring, A3XX_VSC_BIN_CONTROL_BINNING_ENABLE);
815 
816 	OUT_PKT0(ring, REG_A3XX_GRAS_SC_CONTROL, 1);
817 	OUT_RING(ring, A3XX_GRAS_SC_CONTROL_RENDER_MODE(RB_TILING_PASS) |
818 			A3XX_GRAS_SC_CONTROL_MSAA_SAMPLES(MSAA_ONE) |
819 			A3XX_GRAS_SC_CONTROL_RASTER_MODE(0));
820 
821 	OUT_PKT0(ring, REG_A3XX_RB_FRAME_BUFFER_DIMENSION, 1);
822 	OUT_RING(ring, A3XX_RB_FRAME_BUFFER_DIMENSION_WIDTH(pfb->width) |
823 			A3XX_RB_FRAME_BUFFER_DIMENSION_HEIGHT(pfb->height));
824 
825 	OUT_PKT0(ring, REG_A3XX_RB_RENDER_CONTROL, 1);
826 	OUT_RING(ring, A3XX_RB_RENDER_CONTROL_ALPHA_TEST_FUNC(FUNC_NEVER) |
827 			A3XX_RB_RENDER_CONTROL_DISABLE_COLOR_PIPE |
828 			A3XX_RB_RENDER_CONTROL_BIN_WIDTH(gmem->bin_w));
829 
830 	/* setup scissor/offset for whole screen: */
831 	OUT_PKT0(ring, REG_A3XX_RB_WINDOW_OFFSET, 1);
832 	OUT_RING(ring, A3XX_RB_WINDOW_OFFSET_X(x1) |
833 			A3XX_RB_WINDOW_OFFSET_Y(y1));
834 
835 	OUT_PKT0(ring, REG_A3XX_RB_LRZ_VSC_CONTROL, 1);
836 	OUT_RING(ring, A3XX_RB_LRZ_VSC_CONTROL_BINNING_ENABLE);
837 
838 	OUT_PKT0(ring, REG_A3XX_GRAS_SC_SCREEN_SCISSOR_TL, 2);
839 	OUT_RING(ring, A3XX_GRAS_SC_SCREEN_SCISSOR_TL_X(x1) |
840 			A3XX_GRAS_SC_SCREEN_SCISSOR_TL_Y(y1));
841 	OUT_RING(ring, A3XX_GRAS_SC_SCREEN_SCISSOR_BR_X(x2) |
842 			A3XX_GRAS_SC_SCREEN_SCISSOR_BR_Y(y2));
843 
844 	OUT_PKT0(ring, REG_A3XX_RB_MODE_CONTROL, 1);
845 	OUT_RING(ring, A3XX_RB_MODE_CONTROL_RENDER_MODE(RB_TILING_PASS) |
846 			A3XX_RB_MODE_CONTROL_MARB_CACHE_SPLIT_MODE |
847 			A3XX_RB_MODE_CONTROL_MRT(0));
848 
849 	for (i = 0; i < 4; i++) {
850 		OUT_PKT0(ring, REG_A3XX_RB_MRT_CONTROL(i), 1);
851 		OUT_RING(ring, A3XX_RB_MRT_CONTROL_ROP_CODE(ROP_CLEAR) |
852 				A3XX_RB_MRT_CONTROL_DITHER_MODE(DITHER_DISABLE) |
853 				A3XX_RB_MRT_CONTROL_COMPONENT_ENABLE(0));
854 	}
855 
856 	OUT_PKT0(ring, REG_A3XX_PC_VSTREAM_CONTROL, 1);
857 	OUT_RING(ring, A3XX_PC_VSTREAM_CONTROL_SIZE(1) |
858 			A3XX_PC_VSTREAM_CONTROL_N(0));
859 
860 	/* emit IB to binning drawcmds: */
861 	ctx->emit_ib(ring, batch->binning);
862 	fd_reset_wfi(batch);
863 
864 	fd_wfi(batch, ring);
865 
866 	/* and then put stuff back the way it was: */
867 
868 	OUT_PKT0(ring, REG_A3XX_VSC_BIN_CONTROL, 1);
869 	OUT_RING(ring, 0x00000000);
870 
871 	OUT_PKT0(ring, REG_A3XX_SP_SP_CTRL_REG, 1);
872 	OUT_RING(ring, A3XX_SP_SP_CTRL_REG_RESOLVE |
873 			A3XX_SP_SP_CTRL_REG_CONSTMODE(1) |
874 			A3XX_SP_SP_CTRL_REG_SLEEPMODE(1) |
875 			A3XX_SP_SP_CTRL_REG_L0MODE(0));
876 
877 	OUT_PKT0(ring, REG_A3XX_RB_LRZ_VSC_CONTROL, 1);
878 	OUT_RING(ring, 0x00000000);
879 
880 	OUT_PKT0(ring, REG_A3XX_GRAS_SC_CONTROL, 1);
881 	OUT_RING(ring, A3XX_GRAS_SC_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
882 			A3XX_GRAS_SC_CONTROL_MSAA_SAMPLES(MSAA_ONE) |
883 			A3XX_GRAS_SC_CONTROL_RASTER_MODE(0));
884 
885 	OUT_PKT0(ring, REG_A3XX_RB_MODE_CONTROL, 2);
886 	OUT_RING(ring, A3XX_RB_MODE_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
887 			A3XX_RB_MODE_CONTROL_MARB_CACHE_SPLIT_MODE |
888 			A3XX_RB_MODE_CONTROL_MRT(pfb->nr_cbufs - 1));
889 	OUT_RING(ring, A3XX_RB_RENDER_CONTROL_ENABLE_GMEM |
890 			A3XX_RB_RENDER_CONTROL_ALPHA_TEST_FUNC(FUNC_NEVER) |
891 			A3XX_RB_RENDER_CONTROL_BIN_WIDTH(gmem->bin_w));
892 
893 	fd_event_write(batch, ring, CACHE_FLUSH);
894 	fd_wfi(batch, ring);
895 
896 	if (ctx->screen->gpu_id == 320) {
897 		/* dummy-draw workaround: */
898 		OUT_PKT3(ring, CP_DRAW_INDX, 3);
899 		OUT_RING(ring, 0x00000000);
900 		OUT_RING(ring, DRAW(1, DI_SRC_SEL_AUTO_INDEX,
901 							INDEX_SIZE_IGN, IGNORE_VISIBILITY, 0));
902 		OUT_RING(ring, 0);             /* NumIndices */
903 		fd_reset_wfi(batch);
904 	}
905 
906 	OUT_PKT3(ring, CP_NOP, 4);
907 	OUT_RING(ring, 0x00000000);
908 	OUT_RING(ring, 0x00000000);
909 	OUT_RING(ring, 0x00000000);
910 	OUT_RING(ring, 0x00000000);
911 
912 	fd_wfi(batch, ring);
913 
914 	if (ctx->screen->gpu_id == 320) {
915 		emit_binning_workaround(batch);
916 	}
917 }
918 
919 /* before first tile */
920 static void
fd3_emit_tile_init(struct fd_batch * batch)921 fd3_emit_tile_init(struct fd_batch *batch)
922 {
923 	struct fd_ringbuffer *ring = batch->gmem;
924 	struct pipe_framebuffer_state *pfb = &batch->framebuffer;
925 	struct fd_gmem_stateobj *gmem = &batch->ctx->gmem;
926 	uint32_t rb_render_control;
927 
928 	fd3_emit_restore(batch, ring);
929 
930 	/* note: use gmem->bin_w/h, the bin_w/h parameters may be truncated
931 	 * at the right and bottom edge tiles
932 	 */
933 	OUT_PKT0(ring, REG_A3XX_VSC_BIN_SIZE, 1);
934 	OUT_RING(ring, A3XX_VSC_BIN_SIZE_WIDTH(gmem->bin_w) |
935 			A3XX_VSC_BIN_SIZE_HEIGHT(gmem->bin_h));
936 
937 	update_vsc_pipe(batch);
938 
939 	fd_wfi(batch, ring);
940 	OUT_PKT0(ring, REG_A3XX_RB_FRAME_BUFFER_DIMENSION, 1);
941 	OUT_RING(ring, A3XX_RB_FRAME_BUFFER_DIMENSION_WIDTH(pfb->width) |
942 			A3XX_RB_FRAME_BUFFER_DIMENSION_HEIGHT(pfb->height));
943 
944 	if (use_hw_binning(batch)) {
945 		/* emit hw binning pass: */
946 		emit_binning_pass(batch);
947 
948 		patch_draws(batch, USE_VISIBILITY);
949 	} else {
950 		patch_draws(batch, IGNORE_VISIBILITY);
951 	}
952 
953 	rb_render_control = A3XX_RB_RENDER_CONTROL_ENABLE_GMEM |
954 			A3XX_RB_RENDER_CONTROL_BIN_WIDTH(gmem->bin_w);
955 
956 	patch_rbrc(batch, rb_render_control);
957 }
958 
959 /* before mem2gmem */
960 static void
fd3_emit_tile_prep(struct fd_batch * batch,struct fd_tile * tile)961 fd3_emit_tile_prep(struct fd_batch *batch, struct fd_tile *tile)
962 {
963 	struct fd_ringbuffer *ring = batch->gmem;
964 	struct pipe_framebuffer_state *pfb = &batch->framebuffer;
965 
966 	OUT_PKT0(ring, REG_A3XX_RB_MODE_CONTROL, 1);
967 	OUT_RING(ring, A3XX_RB_MODE_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
968 			A3XX_RB_MODE_CONTROL_MARB_CACHE_SPLIT_MODE |
969 			A3XX_RB_MODE_CONTROL_MRT(MAX2(1, pfb->nr_cbufs) - 1));
970 }
971 
972 /* before IB to rendering cmds: */
973 static void
fd3_emit_tile_renderprep(struct fd_batch * batch,struct fd_tile * tile)974 fd3_emit_tile_renderprep(struct fd_batch *batch, struct fd_tile *tile)
975 {
976 	struct fd_context *ctx = batch->ctx;
977 	struct fd3_context *fd3_ctx = fd3_context(ctx);
978 	struct fd_ringbuffer *ring = batch->gmem;
979 	struct fd_gmem_stateobj *gmem = &ctx->gmem;
980 	struct pipe_framebuffer_state *pfb = &batch->framebuffer;
981 
982 	uint32_t x1 = tile->xoff;
983 	uint32_t y1 = tile->yoff;
984 	uint32_t x2 = tile->xoff + tile->bin_w - 1;
985 	uint32_t y2 = tile->yoff + tile->bin_h - 1;
986 
987 	uint32_t reg;
988 
989 	OUT_PKT0(ring, REG_A3XX_RB_DEPTH_INFO, 2);
990 	reg = A3XX_RB_DEPTH_INFO_DEPTH_BASE(gmem->zsbuf_base[0]);
991 	if (pfb->zsbuf) {
992 		reg |= A3XX_RB_DEPTH_INFO_DEPTH_FORMAT(fd_pipe2depth(pfb->zsbuf->format));
993 	}
994 	OUT_RING(ring, reg);
995 	if (pfb->zsbuf) {
996 		struct fd_resource *rsc = fd_resource(pfb->zsbuf->texture);
997 		OUT_RING(ring, A3XX_RB_DEPTH_PITCH(rsc->cpp * gmem->bin_w));
998 		if (rsc->stencil) {
999 			OUT_PKT0(ring, REG_A3XX_RB_STENCIL_INFO, 2);
1000 			OUT_RING(ring, A3XX_RB_STENCIL_INFO_STENCIL_BASE(gmem->zsbuf_base[1]));
1001 			OUT_RING(ring, A3XX_RB_STENCIL_PITCH(rsc->stencil->cpp * gmem->bin_w));
1002 		}
1003 	} else {
1004 		OUT_RING(ring, 0x00000000);
1005 	}
1006 
1007 	if (use_hw_binning(batch)) {
1008 		struct fd_vsc_pipe *pipe = &ctx->pipe[tile->p];
1009 
1010 		assert(pipe->w * pipe->h);
1011 
1012 		fd_event_write(batch, ring, HLSQ_FLUSH);
1013 		fd_wfi(batch, ring);
1014 
1015 		OUT_PKT0(ring, REG_A3XX_PC_VSTREAM_CONTROL, 1);
1016 		OUT_RING(ring, A3XX_PC_VSTREAM_CONTROL_SIZE(pipe->w * pipe->h) |
1017 				A3XX_PC_VSTREAM_CONTROL_N(tile->n));
1018 
1019 
1020 		OUT_PKT3(ring, CP_SET_BIN_DATA, 2);
1021 		OUT_RELOCW(ring, pipe->bo, 0, 0, 0);    /* BIN_DATA_ADDR <- VSC_PIPE[p].DATA_ADDRESS */
1022 		OUT_RELOCW(ring, fd3_ctx->vsc_size_mem, /* BIN_SIZE_ADDR <- VSC_SIZE_ADDRESS + (p * 4) */
1023 				(tile->p * 4), 0, 0);
1024 	} else {
1025 		OUT_PKT0(ring, REG_A3XX_PC_VSTREAM_CONTROL, 1);
1026 		OUT_RING(ring, 0x00000000);
1027 	}
1028 
1029 	OUT_PKT3(ring, CP_SET_BIN, 3);
1030 	OUT_RING(ring, 0x00000000);
1031 	OUT_RING(ring, CP_SET_BIN_1_X1(x1) | CP_SET_BIN_1_Y1(y1));
1032 	OUT_RING(ring, CP_SET_BIN_2_X2(x2) | CP_SET_BIN_2_Y2(y2));
1033 
1034 	emit_mrt(ring, pfb->nr_cbufs, pfb->cbufs, gmem->cbuf_base, gmem->bin_w, true);
1035 
1036 	/* setup scissor/offset for current tile: */
1037 	OUT_PKT0(ring, REG_A3XX_RB_WINDOW_OFFSET, 1);
1038 	OUT_RING(ring, A3XX_RB_WINDOW_OFFSET_X(tile->xoff) |
1039 			A3XX_RB_WINDOW_OFFSET_Y(tile->yoff));
1040 
1041 	OUT_PKT0(ring, REG_A3XX_GRAS_SC_SCREEN_SCISSOR_TL, 2);
1042 	OUT_RING(ring, A3XX_GRAS_SC_SCREEN_SCISSOR_TL_X(x1) |
1043 			A3XX_GRAS_SC_SCREEN_SCISSOR_TL_Y(y1));
1044 	OUT_RING(ring, A3XX_GRAS_SC_SCREEN_SCISSOR_BR_X(x2) |
1045 			A3XX_GRAS_SC_SCREEN_SCISSOR_BR_Y(y2));
1046 }
1047 
1048 void
fd3_gmem_init(struct pipe_context * pctx)1049 fd3_gmem_init(struct pipe_context *pctx)
1050 {
1051 	struct fd_context *ctx = fd_context(pctx);
1052 
1053 	ctx->emit_sysmem_prep = fd3_emit_sysmem_prep;
1054 	ctx->emit_tile_init = fd3_emit_tile_init;
1055 	ctx->emit_tile_prep = fd3_emit_tile_prep;
1056 	ctx->emit_tile_mem2gmem = fd3_emit_tile_mem2gmem;
1057 	ctx->emit_tile_renderprep = fd3_emit_tile_renderprep;
1058 	ctx->emit_tile_gmem2mem = fd3_emit_tile_gmem2mem;
1059 }
1060