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1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
2 
3 /*
4  * Copyright (C) 2012 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 
34 #include "freedreno_draw.h"
35 #include "freedreno_state.h"
36 #include "freedreno_resource.h"
37 
38 #include "fd2_gmem.h"
39 #include "fd2_context.h"
40 #include "fd2_emit.h"
41 #include "fd2_program.h"
42 #include "fd2_util.h"
43 #include "fd2_zsa.h"
44 
fmt2swap(enum pipe_format format)45 static uint32_t fmt2swap(enum pipe_format format)
46 {
47 	switch (format) {
48 	case PIPE_FORMAT_B8G8R8A8_UNORM:
49 	case PIPE_FORMAT_B8G8R8X8_UNORM:
50 	case PIPE_FORMAT_B5G6R5_UNORM:
51 	case PIPE_FORMAT_B5G5R5A1_UNORM:
52 	case PIPE_FORMAT_B5G5R5X1_UNORM:
53 	case PIPE_FORMAT_B4G4R4A4_UNORM:
54 	case PIPE_FORMAT_B4G4R4X4_UNORM:
55 	/* TODO probably some more.. */
56 		return 1;
57 	default:
58 		return 0;
59 	}
60 }
61 
62 /* transfer from gmem to system memory (ie. normal RAM) */
63 
64 static void
emit_gmem2mem_surf(struct fd_batch * batch,uint32_t base,struct pipe_surface * psurf)65 emit_gmem2mem_surf(struct fd_batch *batch, uint32_t base,
66 		struct pipe_surface *psurf)
67 {
68 	struct fd_ringbuffer *ring = batch->gmem;
69 	struct fd_resource *rsc = fd_resource(psurf->texture);
70 	uint32_t swap = fmt2swap(psurf->format);
71 
72 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
73 	OUT_RING(ring, CP_REG(REG_A2XX_RB_COLOR_INFO));
74 	OUT_RING(ring, A2XX_RB_COLOR_INFO_SWAP(swap) |
75 			A2XX_RB_COLOR_INFO_BASE(base) |
76 			A2XX_RB_COLOR_INFO_FORMAT(fd2_pipe2color(psurf->format)));
77 
78 	OUT_PKT3(ring, CP_SET_CONSTANT, 5);
79 	OUT_RING(ring, CP_REG(REG_A2XX_RB_COPY_CONTROL));
80 	OUT_RING(ring, 0x00000000);             /* RB_COPY_CONTROL */
81 	OUT_RELOCW(ring, rsc->bo, 0, 0, 0);     /* RB_COPY_DEST_BASE */
82 	OUT_RING(ring, rsc->slices[0].pitch >> 5); /* RB_COPY_DEST_PITCH */
83 	OUT_RING(ring,                          /* RB_COPY_DEST_INFO */
84 			A2XX_RB_COPY_DEST_INFO_FORMAT(fd2_pipe2color(psurf->format)) |
85 			A2XX_RB_COPY_DEST_INFO_LINEAR |
86 			A2XX_RB_COPY_DEST_INFO_SWAP(swap) |
87 			A2XX_RB_COPY_DEST_INFO_WRITE_RED |
88 			A2XX_RB_COPY_DEST_INFO_WRITE_GREEN |
89 			A2XX_RB_COPY_DEST_INFO_WRITE_BLUE |
90 			A2XX_RB_COPY_DEST_INFO_WRITE_ALPHA);
91 
92 	OUT_WFI (ring);
93 
94 	OUT_PKT3(ring, CP_SET_CONSTANT, 3);
95 	OUT_RING(ring, CP_REG(REG_A2XX_VGT_MAX_VTX_INDX));
96 	OUT_RING(ring, 3);                 /* VGT_MAX_VTX_INDX */
97 	OUT_RING(ring, 0);                 /* VGT_MIN_VTX_INDX */
98 
99 	fd_draw(batch, ring, DI_PT_RECTLIST, IGNORE_VISIBILITY,
100 			DI_SRC_SEL_AUTO_INDEX, 3, 0, INDEX_SIZE_IGN, 0, 0, NULL);
101 }
102 
103 static void
fd2_emit_tile_gmem2mem(struct fd_batch * batch,struct fd_tile * tile)104 fd2_emit_tile_gmem2mem(struct fd_batch *batch, struct fd_tile *tile)
105 {
106 	struct fd_context *ctx = batch->ctx;
107 	struct fd2_context *fd2_ctx = fd2_context(ctx);
108 	struct fd_ringbuffer *ring = batch->gmem;
109 	struct pipe_framebuffer_state *pfb = &batch->framebuffer;
110 
111 	fd2_emit_vertex_bufs(ring, 0x9c, (struct fd2_vertex_buf[]) {
112 			{ .prsc = fd2_ctx->solid_vertexbuf, .size = 48 },
113 		}, 1);
114 
115 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
116 	OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_WINDOW_OFFSET));
117 	OUT_RING(ring, 0x00000000);          /* PA_SC_WINDOW_OFFSET */
118 
119 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
120 	OUT_RING(ring, CP_REG(REG_A2XX_VGT_INDX_OFFSET));
121 	OUT_RING(ring, 0);
122 
123 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
124 	OUT_RING(ring, CP_REG(REG_A2XX_VGT_VERTEX_REUSE_BLOCK_CNTL));
125 	OUT_RING(ring, 0x0000028f);
126 
127 	fd2_program_emit(ring, &ctx->solid_prog);
128 
129 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
130 	OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_AA_MASK));
131 	OUT_RING(ring, 0x0000ffff);
132 
133 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
134 	OUT_RING(ring, CP_REG(REG_A2XX_RB_DEPTHCONTROL));
135 	OUT_RING(ring, A2XX_RB_DEPTHCONTROL_EARLY_Z_ENABLE);
136 
137 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
138 	OUT_RING(ring, CP_REG(REG_A2XX_PA_SU_SC_MODE_CNTL));
139 	OUT_RING(ring, A2XX_PA_SU_SC_MODE_CNTL_PROVOKING_VTX_LAST |  /* PA_SU_SC_MODE_CNTL */
140 			A2XX_PA_SU_SC_MODE_CNTL_FRONT_PTYPE(PC_DRAW_TRIANGLES) |
141 			A2XX_PA_SU_SC_MODE_CNTL_BACK_PTYPE(PC_DRAW_TRIANGLES));
142 
143 	OUT_PKT3(ring, CP_SET_CONSTANT, 3);
144 	OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_WINDOW_SCISSOR_TL));
145 	OUT_RING(ring, xy2d(0, 0));                       /* PA_SC_WINDOW_SCISSOR_TL */
146 	OUT_RING(ring, xy2d(pfb->width, pfb->height));    /* PA_SC_WINDOW_SCISSOR_BR */
147 
148 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
149 	OUT_RING(ring, CP_REG(REG_A2XX_PA_CL_VTE_CNTL));
150 	OUT_RING(ring, A2XX_PA_CL_VTE_CNTL_VTX_W0_FMT |
151 			A2XX_PA_CL_VTE_CNTL_VPORT_X_SCALE_ENA |
152 			A2XX_PA_CL_VTE_CNTL_VPORT_X_OFFSET_ENA |
153 			A2XX_PA_CL_VTE_CNTL_VPORT_Y_SCALE_ENA |
154 			A2XX_PA_CL_VTE_CNTL_VPORT_Y_OFFSET_ENA);
155 
156 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
157 	OUT_RING(ring, CP_REG(REG_A2XX_PA_CL_CLIP_CNTL));
158 	OUT_RING(ring, 0x00000000);
159 
160 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
161 	OUT_RING(ring, CP_REG(REG_A2XX_RB_MODECONTROL));
162 	OUT_RING(ring, A2XX_RB_MODECONTROL_EDRAM_MODE(EDRAM_COPY));
163 
164 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
165 	OUT_RING(ring, CP_REG(REG_A2XX_RB_COPY_DEST_OFFSET));
166 	OUT_RING(ring, A2XX_RB_COPY_DEST_OFFSET_X(tile->xoff) |
167 			A2XX_RB_COPY_DEST_OFFSET_Y(tile->yoff));
168 
169 	if (batch->resolve & (FD_BUFFER_DEPTH | FD_BUFFER_STENCIL))
170 		emit_gmem2mem_surf(batch, tile->bin_w * tile->bin_h, pfb->zsbuf);
171 
172 	if (batch->resolve & FD_BUFFER_COLOR)
173 		emit_gmem2mem_surf(batch, 0, pfb->cbufs[0]);
174 
175 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
176 	OUT_RING(ring, CP_REG(REG_A2XX_RB_MODECONTROL));
177 	OUT_RING(ring, A2XX_RB_MODECONTROL_EDRAM_MODE(COLOR_DEPTH));
178 }
179 
180 /* transfer from system memory to gmem */
181 
182 static void
emit_mem2gmem_surf(struct fd_batch * batch,uint32_t base,struct pipe_surface * psurf)183 emit_mem2gmem_surf(struct fd_batch *batch, uint32_t base,
184 		struct pipe_surface *psurf)
185 {
186 	struct fd_ringbuffer *ring = batch->gmem;
187 	struct fd_resource *rsc = fd_resource(psurf->texture);
188 	uint32_t swiz;
189 
190 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
191 	OUT_RING(ring, CP_REG(REG_A2XX_RB_COLOR_INFO));
192 	OUT_RING(ring, A2XX_RB_COLOR_INFO_SWAP(fmt2swap(psurf->format)) |
193 			A2XX_RB_COLOR_INFO_BASE(base) |
194 			A2XX_RB_COLOR_INFO_FORMAT(fd2_pipe2color(psurf->format)));
195 
196 	swiz = fd2_tex_swiz(psurf->format, PIPE_SWIZZLE_X, PIPE_SWIZZLE_Y,
197 			PIPE_SWIZZLE_Z, PIPE_SWIZZLE_W);
198 
199 	/* emit fb as a texture: */
200 	OUT_PKT3(ring, CP_SET_CONSTANT, 7);
201 	OUT_RING(ring, 0x00010000);
202 	OUT_RING(ring, A2XX_SQ_TEX_0_CLAMP_X(SQ_TEX_WRAP) |
203 			A2XX_SQ_TEX_0_CLAMP_Y(SQ_TEX_WRAP) |
204 			A2XX_SQ_TEX_0_CLAMP_Z(SQ_TEX_WRAP) |
205 			A2XX_SQ_TEX_0_PITCH(rsc->slices[0].pitch));
206 	OUT_RELOC(ring, rsc->bo, 0,
207 			fd2_pipe2surface(psurf->format) | 0x800, 0);
208 	OUT_RING(ring, A2XX_SQ_TEX_2_WIDTH(psurf->width - 1) |
209 			A2XX_SQ_TEX_2_HEIGHT(psurf->height - 1));
210 	OUT_RING(ring, 0x01000000 | // XXX
211 			swiz |
212 			A2XX_SQ_TEX_3_XY_MAG_FILTER(SQ_TEX_FILTER_POINT) |
213 			A2XX_SQ_TEX_3_XY_MIN_FILTER(SQ_TEX_FILTER_POINT));
214 	OUT_RING(ring, 0x00000000);
215 	OUT_RING(ring, 0x00000200);
216 
217 	OUT_PKT3(ring, CP_SET_CONSTANT, 3);
218 	OUT_RING(ring, CP_REG(REG_A2XX_VGT_MAX_VTX_INDX));
219 	OUT_RING(ring, 3);                 /* VGT_MAX_VTX_INDX */
220 	OUT_RING(ring, 0);                 /* VGT_MIN_VTX_INDX */
221 
222 	fd_draw(batch, ring, DI_PT_RECTLIST, IGNORE_VISIBILITY,
223 			DI_SRC_SEL_AUTO_INDEX, 3, 0, INDEX_SIZE_IGN, 0, 0, NULL);
224 }
225 
226 static void
fd2_emit_tile_mem2gmem(struct fd_batch * batch,struct fd_tile * tile)227 fd2_emit_tile_mem2gmem(struct fd_batch *batch, struct fd_tile *tile)
228 {
229 	struct fd_context *ctx = batch->ctx;
230 	struct fd2_context *fd2_ctx = fd2_context(ctx);
231 	struct fd_ringbuffer *ring = batch->gmem;
232 	struct pipe_framebuffer_state *pfb = &batch->framebuffer;
233 	unsigned bin_w = tile->bin_w;
234 	unsigned bin_h = tile->bin_h;
235 	float x0, y0, x1, y1;
236 
237 	fd2_emit_vertex_bufs(ring, 0x9c, (struct fd2_vertex_buf[]) {
238 			{ .prsc = fd2_ctx->solid_vertexbuf, .size = 48, .offset = 0x30 },
239 			{ .prsc = fd2_ctx->solid_vertexbuf, .size = 32, .offset = 0x60 },
240 		}, 2);
241 
242 	/* write texture coordinates to vertexbuf: */
243 	x0 = ((float)tile->xoff) / ((float)pfb->width);
244 	x1 = ((float)tile->xoff + bin_w) / ((float)pfb->width);
245 	y0 = ((float)tile->yoff) / ((float)pfb->height);
246 	y1 = ((float)tile->yoff + bin_h) / ((float)pfb->height);
247 	OUT_PKT3(ring, CP_MEM_WRITE, 9);
248 	OUT_RELOC(ring, fd_resource(fd2_ctx->solid_vertexbuf)->bo, 0x60, 0, 0);
249 	OUT_RING(ring, fui(x0));
250 	OUT_RING(ring, fui(y0));
251 	OUT_RING(ring, fui(x1));
252 	OUT_RING(ring, fui(y0));
253 	OUT_RING(ring, fui(x0));
254 	OUT_RING(ring, fui(y1));
255 	OUT_RING(ring, fui(x1));
256 	OUT_RING(ring, fui(y1));
257 
258 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
259 	OUT_RING(ring, CP_REG(REG_A2XX_VGT_INDX_OFFSET));
260 	OUT_RING(ring, 0);
261 
262 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
263 	OUT_RING(ring, CP_REG(REG_A2XX_VGT_VERTEX_REUSE_BLOCK_CNTL));
264 	OUT_RING(ring, 0x0000003b);
265 
266 	fd2_program_emit(ring, &ctx->blit_prog[0]);
267 
268 	OUT_PKT0(ring, REG_A2XX_TC_CNTL_STATUS, 1);
269 	OUT_RING(ring, A2XX_TC_CNTL_STATUS_L2_INVALIDATE);
270 
271 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
272 	OUT_RING(ring, CP_REG(REG_A2XX_RB_DEPTHCONTROL));
273 	OUT_RING(ring, A2XX_RB_DEPTHCONTROL_EARLY_Z_ENABLE);
274 
275 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
276 	OUT_RING(ring, CP_REG(REG_A2XX_PA_SU_SC_MODE_CNTL));
277 	OUT_RING(ring, A2XX_PA_SU_SC_MODE_CNTL_PROVOKING_VTX_LAST |
278 			A2XX_PA_SU_SC_MODE_CNTL_FRONT_PTYPE(PC_DRAW_TRIANGLES) |
279 			A2XX_PA_SU_SC_MODE_CNTL_BACK_PTYPE(PC_DRAW_TRIANGLES));
280 
281 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
282 	OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_AA_MASK));
283 	OUT_RING(ring, 0x0000ffff);
284 
285 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
286 	OUT_RING(ring, CP_REG(REG_A2XX_RB_COLORCONTROL));
287 	OUT_RING(ring, A2XX_RB_COLORCONTROL_ALPHA_FUNC(PIPE_FUNC_ALWAYS) |
288 			A2XX_RB_COLORCONTROL_BLEND_DISABLE |
289 			A2XX_RB_COLORCONTROL_ROP_CODE(12) |
290 			A2XX_RB_COLORCONTROL_DITHER_MODE(DITHER_DISABLE) |
291 			A2XX_RB_COLORCONTROL_DITHER_TYPE(DITHER_PIXEL));
292 
293 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
294 	OUT_RING(ring, CP_REG(REG_A2XX_RB_BLEND_CONTROL));
295 	OUT_RING(ring, A2XX_RB_BLEND_CONTROL_COLOR_SRCBLEND(FACTOR_ONE) |
296 			A2XX_RB_BLEND_CONTROL_COLOR_COMB_FCN(BLEND_DST_PLUS_SRC) |
297 			A2XX_RB_BLEND_CONTROL_COLOR_DESTBLEND(FACTOR_ZERO) |
298 			A2XX_RB_BLEND_CONTROL_ALPHA_SRCBLEND(FACTOR_ONE) |
299 			A2XX_RB_BLEND_CONTROL_ALPHA_COMB_FCN(BLEND_DST_PLUS_SRC) |
300 			A2XX_RB_BLEND_CONTROL_ALPHA_DESTBLEND(FACTOR_ZERO));
301 
302 	OUT_PKT3(ring, CP_SET_CONSTANT, 3);
303 	OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_WINDOW_SCISSOR_TL));
304 	OUT_RING(ring, A2XX_PA_SC_WINDOW_OFFSET_DISABLE |
305 			xy2d(0,0));                     /* PA_SC_WINDOW_SCISSOR_TL */
306 	OUT_RING(ring, xy2d(bin_w, bin_h));     /* PA_SC_WINDOW_SCISSOR_BR */
307 
308 	OUT_PKT3(ring, CP_SET_CONSTANT, 5);
309 	OUT_RING(ring, CP_REG(REG_A2XX_PA_CL_VPORT_XSCALE));
310 	OUT_RING(ring, fui((float)bin_w/2.0));  /* PA_CL_VPORT_XSCALE */
311 	OUT_RING(ring, fui((float)bin_w/2.0));  /* PA_CL_VPORT_XOFFSET */
312 	OUT_RING(ring, fui(-(float)bin_h/2.0)); /* PA_CL_VPORT_YSCALE */
313 	OUT_RING(ring, fui((float)bin_h/2.0));  /* PA_CL_VPORT_YOFFSET */
314 
315 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
316 	OUT_RING(ring, CP_REG(REG_A2XX_PA_CL_VTE_CNTL));
317 	OUT_RING(ring, A2XX_PA_CL_VTE_CNTL_VTX_XY_FMT |
318 			A2XX_PA_CL_VTE_CNTL_VTX_Z_FMT |       // XXX check this???
319 			A2XX_PA_CL_VTE_CNTL_VPORT_X_SCALE_ENA |
320 			A2XX_PA_CL_VTE_CNTL_VPORT_X_OFFSET_ENA |
321 			A2XX_PA_CL_VTE_CNTL_VPORT_Y_SCALE_ENA |
322 			A2XX_PA_CL_VTE_CNTL_VPORT_Y_OFFSET_ENA);
323 
324 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
325 	OUT_RING(ring, CP_REG(REG_A2XX_PA_CL_CLIP_CNTL));
326 	OUT_RING(ring, 0x00000000);
327 
328 	if (fd_gmem_needs_restore(batch, tile, FD_BUFFER_DEPTH | FD_BUFFER_STENCIL))
329 		emit_mem2gmem_surf(batch, bin_w * bin_h, pfb->zsbuf);
330 
331 	if (fd_gmem_needs_restore(batch, tile, FD_BUFFER_COLOR))
332 		emit_mem2gmem_surf(batch, 0, pfb->cbufs[0]);
333 
334 	/* TODO blob driver seems to toss in a CACHE_FLUSH after each DRAW_INDX.. */
335 }
336 
337 /* before first tile */
338 static void
fd2_emit_tile_init(struct fd_batch * batch)339 fd2_emit_tile_init(struct fd_batch *batch)
340 {
341 	struct fd_context *ctx = batch->ctx;
342 	struct fd_ringbuffer *ring = batch->gmem;
343 	struct pipe_framebuffer_state *pfb = &batch->framebuffer;
344 	struct fd_gmem_stateobj *gmem = &ctx->gmem;
345 	enum pipe_format format = pipe_surface_format(pfb->cbufs[0]);
346 	uint32_t reg;
347 
348 	fd2_emit_restore(ctx, ring);
349 
350 	OUT_PKT3(ring, CP_SET_CONSTANT, 4);
351 	OUT_RING(ring, CP_REG(REG_A2XX_RB_SURFACE_INFO));
352 	OUT_RING(ring, gmem->bin_w);                 /* RB_SURFACE_INFO */
353 	OUT_RING(ring, A2XX_RB_COLOR_INFO_SWAP(fmt2swap(format)) |
354 			A2XX_RB_COLOR_INFO_FORMAT(fd2_pipe2color(format)));
355 	reg = A2XX_RB_DEPTH_INFO_DEPTH_BASE(align(gmem->bin_w * gmem->bin_h, 4));
356 	if (pfb->zsbuf)
357 		reg |= A2XX_RB_DEPTH_INFO_DEPTH_FORMAT(fd_pipe2depth(pfb->zsbuf->format));
358 	OUT_RING(ring, reg);                         /* RB_DEPTH_INFO */
359 }
360 
361 /* before mem2gmem */
362 static void
fd2_emit_tile_prep(struct fd_batch * batch,struct fd_tile * tile)363 fd2_emit_tile_prep(struct fd_batch *batch, struct fd_tile *tile)
364 {
365 	struct fd_ringbuffer *ring = batch->gmem;
366 	struct pipe_framebuffer_state *pfb = &batch->framebuffer;
367 	enum pipe_format format = pipe_surface_format(pfb->cbufs[0]);
368 
369 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
370 	OUT_RING(ring, CP_REG(REG_A2XX_RB_COLOR_INFO));
371 	OUT_RING(ring, A2XX_RB_COLOR_INFO_SWAP(1) | /* RB_COLOR_INFO */
372 			A2XX_RB_COLOR_INFO_FORMAT(fd2_pipe2color(format)));
373 
374 	/* setup screen scissor for current tile (same for mem2gmem): */
375 	OUT_PKT3(ring, CP_SET_CONSTANT, 3);
376 	OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_SCREEN_SCISSOR_TL));
377 	OUT_RING(ring, A2XX_PA_SC_SCREEN_SCISSOR_TL_X(0) |
378 			A2XX_PA_SC_SCREEN_SCISSOR_TL_Y(0));
379 	OUT_RING(ring, A2XX_PA_SC_SCREEN_SCISSOR_BR_X(tile->bin_w) |
380 			A2XX_PA_SC_SCREEN_SCISSOR_BR_Y(tile->bin_h));
381 }
382 
383 /* before IB to rendering cmds: */
384 static void
fd2_emit_tile_renderprep(struct fd_batch * batch,struct fd_tile * tile)385 fd2_emit_tile_renderprep(struct fd_batch *batch, struct fd_tile *tile)
386 {
387 	struct fd_ringbuffer *ring = batch->gmem;
388 	struct pipe_framebuffer_state *pfb = &batch->framebuffer;
389 	enum pipe_format format = pipe_surface_format(pfb->cbufs[0]);
390 
391 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
392 	OUT_RING(ring, CP_REG(REG_A2XX_RB_COLOR_INFO));
393 	OUT_RING(ring, A2XX_RB_COLOR_INFO_SWAP(fmt2swap(format)) |
394 			A2XX_RB_COLOR_INFO_FORMAT(fd2_pipe2color(format)));
395 
396 	/* setup window scissor and offset for current tile (different
397 	 * from mem2gmem):
398 	 */
399 	OUT_PKT3(ring, CP_SET_CONSTANT, 2);
400 	OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_WINDOW_OFFSET));
401 	OUT_RING(ring, A2XX_PA_SC_WINDOW_OFFSET_X(-tile->xoff) |
402 			A2XX_PA_SC_WINDOW_OFFSET_Y(-tile->yoff));
403 }
404 
405 void
fd2_gmem_init(struct pipe_context * pctx)406 fd2_gmem_init(struct pipe_context *pctx)
407 {
408 	struct fd_context *ctx = fd_context(pctx);
409 
410 	ctx->emit_tile_init = fd2_emit_tile_init;
411 	ctx->emit_tile_prep = fd2_emit_tile_prep;
412 	ctx->emit_tile_mem2gmem = fd2_emit_tile_mem2gmem;
413 	ctx->emit_tile_renderprep = fd2_emit_tile_renderprep;
414 	ctx->emit_tile_gmem2mem = fd2_emit_tile_gmem2mem;
415 }
416