si_state.c revision 9aacd5cc67ccbc3984bce6a0b40768a6cec2ec2d
1/*
2 * Copyright 2012 Advanced Micro Devices, Inc.
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * Authors:
24 *      Christian König <christian.koenig@amd.com>
25 */
26
27#include "util/u_memory.h"
28#include "util/u_framebuffer.h"
29#include "util/u_blitter.h"
30#include "util/u_pack_color.h"
31#include "tgsi/tgsi_parse.h"
32#include "radeonsi_pipe.h"
33#include "radeonsi_shader.h"
34#include "si_state.h"
35#include "sid.h"
36
37/*
38 * inferred framebuffer and blender state
39 */
40static void si_update_fb_blend_state(struct r600_context *rctx)
41{
42	struct si_pm4_state *pm4;
43	struct si_state_blend *blend = rctx->queued.named.blend;
44	uint32_t mask;
45
46	if (blend == NULL)
47		return;
48
49	pm4 = CALLOC_STRUCT(si_pm4_state);
50	if (pm4 == NULL)
51		return;
52
53	mask = (1ULL << ((unsigned)rctx->framebuffer.nr_cbufs * 4)) - 1;
54	mask &= blend->cb_target_mask;
55	si_pm4_set_reg(pm4, R_028238_CB_TARGET_MASK, mask);
56
57	si_pm4_set_state(rctx, fb_blend, pm4);
58}
59
60/*
61 * Blender functions
62 */
63
64static uint32_t si_translate_blend_function(int blend_func)
65{
66	switch (blend_func) {
67	case PIPE_BLEND_ADD:
68		return V_028780_COMB_DST_PLUS_SRC;
69	case PIPE_BLEND_SUBTRACT:
70		return V_028780_COMB_SRC_MINUS_DST;
71	case PIPE_BLEND_REVERSE_SUBTRACT:
72		return V_028780_COMB_DST_MINUS_SRC;
73	case PIPE_BLEND_MIN:
74		return V_028780_COMB_MIN_DST_SRC;
75	case PIPE_BLEND_MAX:
76		return V_028780_COMB_MAX_DST_SRC;
77	default:
78		R600_ERR("Unknown blend function %d\n", blend_func);
79		assert(0);
80		break;
81	}
82	return 0;
83}
84
85static uint32_t si_translate_blend_factor(int blend_fact)
86{
87	switch (blend_fact) {
88	case PIPE_BLENDFACTOR_ONE:
89		return V_028780_BLEND_ONE;
90	case PIPE_BLENDFACTOR_SRC_COLOR:
91		return V_028780_BLEND_SRC_COLOR;
92	case PIPE_BLENDFACTOR_SRC_ALPHA:
93		return V_028780_BLEND_SRC_ALPHA;
94	case PIPE_BLENDFACTOR_DST_ALPHA:
95		return V_028780_BLEND_DST_ALPHA;
96	case PIPE_BLENDFACTOR_DST_COLOR:
97		return V_028780_BLEND_DST_COLOR;
98	case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
99		return V_028780_BLEND_SRC_ALPHA_SATURATE;
100	case PIPE_BLENDFACTOR_CONST_COLOR:
101		return V_028780_BLEND_CONSTANT_COLOR;
102	case PIPE_BLENDFACTOR_CONST_ALPHA:
103		return V_028780_BLEND_CONSTANT_ALPHA;
104	case PIPE_BLENDFACTOR_ZERO:
105		return V_028780_BLEND_ZERO;
106	case PIPE_BLENDFACTOR_INV_SRC_COLOR:
107		return V_028780_BLEND_ONE_MINUS_SRC_COLOR;
108	case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
109		return V_028780_BLEND_ONE_MINUS_SRC_ALPHA;
110	case PIPE_BLENDFACTOR_INV_DST_ALPHA:
111		return V_028780_BLEND_ONE_MINUS_DST_ALPHA;
112	case PIPE_BLENDFACTOR_INV_DST_COLOR:
113		return V_028780_BLEND_ONE_MINUS_DST_COLOR;
114	case PIPE_BLENDFACTOR_INV_CONST_COLOR:
115		return V_028780_BLEND_ONE_MINUS_CONSTANT_COLOR;
116	case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
117		return V_028780_BLEND_ONE_MINUS_CONSTANT_ALPHA;
118	case PIPE_BLENDFACTOR_SRC1_COLOR:
119		return V_028780_BLEND_SRC1_COLOR;
120	case PIPE_BLENDFACTOR_SRC1_ALPHA:
121		return V_028780_BLEND_SRC1_ALPHA;
122	case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
123		return V_028780_BLEND_INV_SRC1_COLOR;
124	case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
125		return V_028780_BLEND_INV_SRC1_ALPHA;
126	default:
127		R600_ERR("Bad blend factor %d not supported!\n", blend_fact);
128		assert(0);
129		break;
130	}
131	return 0;
132}
133
134static void *si_create_blend_state(struct pipe_context *ctx,
135				   const struct pipe_blend_state *state)
136{
137	struct si_state_blend *blend = CALLOC_STRUCT(si_state_blend);
138	struct si_pm4_state *pm4 = &blend->pm4;
139
140	uint32_t color_control;
141
142	if (blend == NULL)
143		return NULL;
144
145	color_control = S_028808_MODE(V_028808_CB_NORMAL);
146	if (state->logicop_enable) {
147		color_control |= S_028808_ROP3(state->logicop_func | (state->logicop_func << 4));
148	} else {
149		color_control |= S_028808_ROP3(0xcc);
150	}
151	si_pm4_set_reg(pm4, R_028808_CB_COLOR_CONTROL, color_control);
152
153	si_pm4_set_reg(pm4, R_028C38_PA_SC_AA_MASK_X0Y0_X1Y0, ~0);
154	si_pm4_set_reg(pm4, R_028C3C_PA_SC_AA_MASK_X0Y1_X1Y1, ~0);
155
156	blend->cb_target_mask = 0;
157	for (int i = 0; i < 8; i++) {
158		/* state->rt entries > 0 only written if independent blending */
159		const int j = state->independent_blend_enable ? i : 0;
160
161		unsigned eqRGB = state->rt[j].rgb_func;
162		unsigned srcRGB = state->rt[j].rgb_src_factor;
163		unsigned dstRGB = state->rt[j].rgb_dst_factor;
164		unsigned eqA = state->rt[j].alpha_func;
165		unsigned srcA = state->rt[j].alpha_src_factor;
166		unsigned dstA = state->rt[j].alpha_dst_factor;
167
168		unsigned blend_cntl = 0;
169
170		/* we pretend 8 buffer are used, CB_SHADER_MASK will disable unused one */
171		blend->cb_target_mask |= state->rt[j].colormask << (4 * i);
172
173		if (!state->rt[j].blend_enable) {
174			si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4, blend_cntl);
175			continue;
176		}
177
178		blend_cntl |= S_028780_ENABLE(1);
179		blend_cntl |= S_028780_COLOR_COMB_FCN(si_translate_blend_function(eqRGB));
180		blend_cntl |= S_028780_COLOR_SRCBLEND(si_translate_blend_factor(srcRGB));
181		blend_cntl |= S_028780_COLOR_DESTBLEND(si_translate_blend_factor(dstRGB));
182
183		if (srcA != srcRGB || dstA != dstRGB || eqA != eqRGB) {
184			blend_cntl |= S_028780_SEPARATE_ALPHA_BLEND(1);
185			blend_cntl |= S_028780_ALPHA_COMB_FCN(si_translate_blend_function(eqA));
186			blend_cntl |= S_028780_ALPHA_SRCBLEND(si_translate_blend_factor(srcA));
187			blend_cntl |= S_028780_ALPHA_DESTBLEND(si_translate_blend_factor(dstA));
188		}
189		si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4, blend_cntl);
190	}
191
192	return blend;
193}
194
195static void si_bind_blend_state(struct pipe_context *ctx, void *state)
196{
197	struct r600_context *rctx = (struct r600_context *)ctx;
198	si_pm4_bind_state(rctx, blend, (struct si_state_blend *)state);
199	si_update_fb_blend_state(rctx);
200}
201
202static void si_delete_blend_state(struct pipe_context *ctx, void *state)
203{
204	struct r600_context *rctx = (struct r600_context *)ctx;
205	si_pm4_delete_state(rctx, blend, (struct si_state_blend *)state);
206}
207
208static void si_set_blend_color(struct pipe_context *ctx,
209			       const struct pipe_blend_color *state)
210{
211	struct r600_context *rctx = (struct r600_context *)ctx;
212	struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state);
213
214        if (pm4 == NULL)
215                return;
216
217	si_pm4_set_reg(pm4, R_028414_CB_BLEND_RED, fui(state->color[0]));
218	si_pm4_set_reg(pm4, R_028418_CB_BLEND_GREEN, fui(state->color[1]));
219	si_pm4_set_reg(pm4, R_02841C_CB_BLEND_BLUE, fui(state->color[2]));
220	si_pm4_set_reg(pm4, R_028420_CB_BLEND_ALPHA, fui(state->color[3]));
221
222	si_pm4_set_state(rctx, blend_color, pm4);
223}
224
225/*
226 * Clipping, scissors and viewport
227 */
228
229static void si_set_clip_state(struct pipe_context *ctx,
230			      const struct pipe_clip_state *state)
231{
232	struct r600_context *rctx = (struct r600_context *)ctx;
233	struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state);
234
235	if (pm4 == NULL)
236		return;
237
238	for (int i = 0; i < 6; i++) {
239		si_pm4_set_reg(pm4, R_0285BC_PA_CL_UCP_0_X + i * 16,
240			       fui(state->ucp[i][0]));
241		si_pm4_set_reg(pm4, R_0285C0_PA_CL_UCP_0_Y + i * 16,
242			       fui(state->ucp[i][1]));
243		si_pm4_set_reg(pm4, R_0285C4_PA_CL_UCP_0_Z + i * 16,
244			       fui(state->ucp[i][2]));
245		si_pm4_set_reg(pm4, R_0285C8_PA_CL_UCP_0_W + i * 16,
246			       fui(state->ucp[i][3]));
247        }
248
249	si_pm4_set_state(rctx, clip, pm4);
250}
251
252static void si_set_scissor_state(struct pipe_context *ctx,
253				 const struct pipe_scissor_state *state)
254{
255	struct r600_context *rctx = (struct r600_context *)ctx;
256	struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state);
257	uint32_t tl, br;
258
259	if (pm4 == NULL)
260		return;
261
262	tl = S_028240_TL_X(state->minx) | S_028240_TL_Y(state->miny);
263	br = S_028244_BR_X(state->maxx) | S_028244_BR_Y(state->maxy);
264	si_pm4_set_reg(pm4, R_028210_PA_SC_CLIPRECT_0_TL, tl);
265	si_pm4_set_reg(pm4, R_028214_PA_SC_CLIPRECT_0_BR, br);
266	si_pm4_set_reg(pm4, R_028218_PA_SC_CLIPRECT_1_TL, tl);
267	si_pm4_set_reg(pm4, R_02821C_PA_SC_CLIPRECT_1_BR, br);
268	si_pm4_set_reg(pm4, R_028220_PA_SC_CLIPRECT_2_TL, tl);
269	si_pm4_set_reg(pm4, R_028224_PA_SC_CLIPRECT_2_BR, br);
270	si_pm4_set_reg(pm4, R_028228_PA_SC_CLIPRECT_3_TL, tl);
271	si_pm4_set_reg(pm4, R_02822C_PA_SC_CLIPRECT_3_BR, br);
272
273	si_pm4_set_state(rctx, scissor, pm4);
274}
275
276static void si_set_viewport_state(struct pipe_context *ctx,
277				  const struct pipe_viewport_state *state)
278{
279	struct r600_context *rctx = (struct r600_context *)ctx;
280	struct si_state_viewport *viewport = CALLOC_STRUCT(si_state_viewport);
281	struct si_pm4_state *pm4 = &viewport->pm4;
282
283	if (viewport == NULL)
284		return;
285
286	viewport->viewport = *state;
287	si_pm4_set_reg(pm4, R_0282D0_PA_SC_VPORT_ZMIN_0, 0x00000000);
288	si_pm4_set_reg(pm4, R_0282D4_PA_SC_VPORT_ZMAX_0, 0x3F800000);
289	si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, 0x00000000);
290	si_pm4_set_reg(pm4, R_02843C_PA_CL_VPORT_XSCALE_0, fui(state->scale[0]));
291	si_pm4_set_reg(pm4, R_028440_PA_CL_VPORT_XOFFSET_0, fui(state->translate[0]));
292	si_pm4_set_reg(pm4, R_028444_PA_CL_VPORT_YSCALE_0, fui(state->scale[1]));
293	si_pm4_set_reg(pm4, R_028448_PA_CL_VPORT_YOFFSET_0, fui(state->translate[1]));
294	si_pm4_set_reg(pm4, R_02844C_PA_CL_VPORT_ZSCALE_0, fui(state->scale[2]));
295	si_pm4_set_reg(pm4, R_028450_PA_CL_VPORT_ZOFFSET_0, fui(state->translate[2]));
296	si_pm4_set_reg(pm4, R_028818_PA_CL_VTE_CNTL, 0x0000043F);
297
298	si_pm4_set_state(rctx, viewport, viewport);
299}
300
301/*
302 * inferred state between framebuffer and rasterizer
303 */
304static void si_update_fb_rs_state(struct r600_context *rctx)
305{
306	struct si_state_rasterizer *rs = rctx->queued.named.rasterizer;
307	struct si_pm4_state *pm4;
308	unsigned offset_db_fmt_cntl = 0, depth;
309	float offset_units;
310
311	if (!rs || !rctx->framebuffer.zsbuf)
312		return;
313
314	offset_units = rctx->queued.named.rasterizer->offset_units;
315	switch (rctx->framebuffer.zsbuf->texture->format) {
316	case PIPE_FORMAT_Z24X8_UNORM:
317	case PIPE_FORMAT_Z24_UNORM_S8_UINT:
318		depth = -24;
319		offset_units *= 2.0f;
320		break;
321	case PIPE_FORMAT_Z32_FLOAT:
322	case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
323		depth = -23;
324		offset_units *= 1.0f;
325		offset_db_fmt_cntl |= S_028B78_POLY_OFFSET_DB_IS_FLOAT_FMT(1);
326		break;
327	case PIPE_FORMAT_Z16_UNORM:
328		depth = -16;
329		offset_units *= 4.0f;
330		break;
331	default:
332		return;
333	}
334
335	pm4 = CALLOC_STRUCT(si_pm4_state);
336	/* FIXME some of those reg can be computed with cso */
337	offset_db_fmt_cntl |= S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS(depth);
338	si_pm4_set_reg(pm4, R_028B80_PA_SU_POLY_OFFSET_FRONT_SCALE,
339		       fui(rctx->queued.named.rasterizer->offset_scale));
340	si_pm4_set_reg(pm4, R_028B84_PA_SU_POLY_OFFSET_FRONT_OFFSET, fui(offset_units));
341	si_pm4_set_reg(pm4, R_028B88_PA_SU_POLY_OFFSET_BACK_SCALE,
342		       fui(rctx->queued.named.rasterizer->offset_scale));
343	si_pm4_set_reg(pm4, R_028B8C_PA_SU_POLY_OFFSET_BACK_OFFSET, fui(offset_units));
344	si_pm4_set_reg(pm4, R_028B78_PA_SU_POLY_OFFSET_DB_FMT_CNTL, offset_db_fmt_cntl);
345
346	si_pm4_set_state(rctx, fb_rs, pm4);
347}
348
349/*
350 * Rasterizer
351 */
352
353static uint32_t si_translate_fill(uint32_t func)
354{
355	switch(func) {
356	case PIPE_POLYGON_MODE_FILL:
357		return V_028814_X_DRAW_TRIANGLES;
358	case PIPE_POLYGON_MODE_LINE:
359		return V_028814_X_DRAW_LINES;
360	case PIPE_POLYGON_MODE_POINT:
361		return V_028814_X_DRAW_POINTS;
362	default:
363		assert(0);
364		return V_028814_X_DRAW_POINTS;
365	}
366}
367
368static void *si_create_rs_state(struct pipe_context *ctx,
369				const struct pipe_rasterizer_state *state)
370{
371	struct si_state_rasterizer *rs = CALLOC_STRUCT(si_state_rasterizer);
372	struct si_pm4_state *pm4 = &rs->pm4;
373	unsigned tmp;
374	unsigned prov_vtx = 1, polygon_dual_mode;
375	unsigned clip_rule;
376	float psize_min, psize_max;
377
378	if (rs == NULL) {
379		return NULL;
380	}
381
382	polygon_dual_mode = (state->fill_front != PIPE_POLYGON_MODE_FILL ||
383				state->fill_back != PIPE_POLYGON_MODE_FILL);
384
385	if (state->flatshade_first)
386		prov_vtx = 0;
387
388	rs->flatshade = state->flatshade;
389	rs->sprite_coord_enable = state->sprite_coord_enable;
390	rs->pa_sc_line_stipple = state->line_stipple_enable ?
391				S_028A0C_LINE_PATTERN(state->line_stipple_pattern) |
392				S_028A0C_REPEAT_COUNT(state->line_stipple_factor) : 0;
393	rs->pa_su_sc_mode_cntl =
394		S_028814_PROVOKING_VTX_LAST(prov_vtx) |
395		S_028814_CULL_FRONT(state->rasterizer_discard || (state->cull_face & PIPE_FACE_FRONT) ? 1 : 0) |
396		S_028814_CULL_BACK(state->rasterizer_discard || (state->cull_face & PIPE_FACE_BACK) ? 1 : 0) |
397		S_028814_FACE(!state->front_ccw) |
398		S_028814_POLY_OFFSET_FRONT_ENABLE(state->offset_tri) |
399		S_028814_POLY_OFFSET_BACK_ENABLE(state->offset_tri) |
400		S_028814_POLY_OFFSET_PARA_ENABLE(state->offset_tri) |
401		S_028814_POLY_MODE(polygon_dual_mode) |
402		S_028814_POLYMODE_FRONT_PTYPE(si_translate_fill(state->fill_front)) |
403		S_028814_POLYMODE_BACK_PTYPE(si_translate_fill(state->fill_back));
404	rs->pa_cl_clip_cntl =
405		S_028810_PS_UCP_MODE(3) |
406		S_028810_ZCLIP_NEAR_DISABLE(!state->depth_clip) |
407		S_028810_ZCLIP_FAR_DISABLE(!state->depth_clip) |
408		S_028810_DX_LINEAR_ATTR_CLIP_ENA(1);
409	rs->pa_cl_vs_out_cntl =
410		S_02881C_USE_VTX_POINT_SIZE(state->point_size_per_vertex) |
411		S_02881C_VS_OUT_MISC_VEC_ENA(state->point_size_per_vertex);
412
413	clip_rule = state->scissor ? 0xAAAA : 0xFFFF;
414
415	/* offset */
416	rs->offset_units = state->offset_units;
417	rs->offset_scale = state->offset_scale * 12.0f;
418
419	/* XXX: Flat shading hangs the GPU */
420	tmp = S_0286D4_FLAT_SHADE_ENA(0);
421	if (state->sprite_coord_enable) {
422		tmp |= S_0286D4_PNT_SPRITE_ENA(1) |
423			S_0286D4_PNT_SPRITE_OVRD_X(V_0286D4_SPI_PNT_SPRITE_SEL_S) |
424			S_0286D4_PNT_SPRITE_OVRD_Y(V_0286D4_SPI_PNT_SPRITE_SEL_T) |
425			S_0286D4_PNT_SPRITE_OVRD_Z(V_0286D4_SPI_PNT_SPRITE_SEL_0) |
426			S_0286D4_PNT_SPRITE_OVRD_W(V_0286D4_SPI_PNT_SPRITE_SEL_1);
427		if (state->sprite_coord_mode != PIPE_SPRITE_COORD_UPPER_LEFT) {
428			tmp |= S_0286D4_PNT_SPRITE_TOP_1(1);
429		}
430	}
431	si_pm4_set_reg(pm4, R_0286D4_SPI_INTERP_CONTROL_0, tmp);
432
433	si_pm4_set_reg(pm4, R_028820_PA_CL_NANINF_CNTL, 0x00000000);
434	/* point size 12.4 fixed point */
435	tmp = (unsigned)(state->point_size * 8.0);
436	si_pm4_set_reg(pm4, R_028A00_PA_SU_POINT_SIZE, S_028A00_HEIGHT(tmp) | S_028A00_WIDTH(tmp));
437
438	if (state->point_size_per_vertex) {
439		psize_min = util_get_min_point_size(state);
440		psize_max = 8192;
441	} else {
442		/* Force the point size to be as if the vertex output was disabled. */
443		psize_min = state->point_size;
444		psize_max = state->point_size;
445	}
446	/* Divide by two, because 0.5 = 1 pixel. */
447	si_pm4_set_reg(pm4, R_028A04_PA_SU_POINT_MINMAX,
448			S_028A04_MIN_SIZE(r600_pack_float_12p4(psize_min/2)) |
449			S_028A04_MAX_SIZE(r600_pack_float_12p4(psize_max/2)));
450
451	tmp = (unsigned)state->line_width * 8;
452	si_pm4_set_reg(pm4, R_028A08_PA_SU_LINE_CNTL, S_028A08_WIDTH(tmp));
453	si_pm4_set_reg(pm4, R_028A48_PA_SC_MODE_CNTL_0,
454			S_028A48_LINE_STIPPLE_ENABLE(state->line_stipple_enable));
455
456	si_pm4_set_reg(pm4, R_028BDC_PA_SC_LINE_CNTL, 0x00000400);
457	si_pm4_set_reg(pm4, R_028BE4_PA_SU_VTX_CNTL,
458			S_028BE4_PIX_CENTER(state->gl_rasterization_rules));
459	si_pm4_set_reg(pm4, R_028BE8_PA_CL_GB_VERT_CLIP_ADJ, 0x3F800000);
460	si_pm4_set_reg(pm4, R_028BEC_PA_CL_GB_VERT_DISC_ADJ, 0x3F800000);
461	si_pm4_set_reg(pm4, R_028BF0_PA_CL_GB_HORZ_CLIP_ADJ, 0x3F800000);
462	si_pm4_set_reg(pm4, R_028BF4_PA_CL_GB_HORZ_DISC_ADJ, 0x3F800000);
463
464	si_pm4_set_reg(pm4, R_028B7C_PA_SU_POLY_OFFSET_CLAMP, fui(state->offset_clamp));
465	si_pm4_set_reg(pm4, R_02820C_PA_SC_CLIPRECT_RULE, clip_rule);
466
467	return rs;
468}
469
470static void si_bind_rs_state(struct pipe_context *ctx, void *state)
471{
472	struct r600_context *rctx = (struct r600_context *)ctx;
473	struct si_state_rasterizer *rs = (struct si_state_rasterizer *)state;
474
475	if (state == NULL)
476		return;
477
478	// TODO
479	rctx->sprite_coord_enable = rs->sprite_coord_enable;
480	rctx->pa_sc_line_stipple = rs->pa_sc_line_stipple;
481	rctx->pa_su_sc_mode_cntl = rs->pa_su_sc_mode_cntl;
482	rctx->pa_cl_clip_cntl = rs->pa_cl_clip_cntl;
483	rctx->pa_cl_vs_out_cntl = rs->pa_cl_vs_out_cntl;
484
485	si_pm4_bind_state(rctx, rasterizer, rs);
486	si_update_fb_rs_state(rctx);
487}
488
489static void si_delete_rs_state(struct pipe_context *ctx, void *state)
490{
491	struct r600_context *rctx = (struct r600_context *)ctx;
492	si_pm4_delete_state(rctx, rasterizer, (struct si_state_rasterizer *)state);
493}
494
495/*
496 * infeered state between dsa and stencil ref
497 */
498static void si_update_dsa_stencil_ref(struct r600_context *rctx)
499{
500	struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state);
501	struct pipe_stencil_ref *ref = &rctx->stencil_ref;
502        struct si_state_dsa *dsa = rctx->queued.named.dsa;
503
504        if (pm4 == NULL)
505                return;
506
507	si_pm4_set_reg(pm4, R_028430_DB_STENCILREFMASK,
508		       S_028430_STENCILTESTVAL(ref->ref_value[0]) |
509		       S_028430_STENCILMASK(dsa->valuemask[0]) |
510		       S_028430_STENCILWRITEMASK(dsa->writemask[0]));
511	si_pm4_set_reg(pm4, R_028434_DB_STENCILREFMASK_BF,
512		       S_028434_STENCILTESTVAL_BF(ref->ref_value[1]) |
513		       S_028434_STENCILMASK_BF(dsa->valuemask[1]) |
514		       S_028434_STENCILWRITEMASK_BF(dsa->writemask[1]));
515
516	si_pm4_set_state(rctx, dsa_stencil_ref, pm4);
517}
518
519static void si_set_pipe_stencil_ref(struct pipe_context *ctx,
520				    const struct pipe_stencil_ref *state)
521{
522        struct r600_context *rctx = (struct r600_context *)ctx;
523        rctx->stencil_ref = *state;
524	si_update_dsa_stencil_ref(rctx);
525}
526
527
528/*
529 * DSA
530 */
531
532static uint32_t si_translate_stencil_op(int s_op)
533{
534	switch (s_op) {
535	case PIPE_STENCIL_OP_KEEP:
536		return V_02842C_STENCIL_KEEP;
537	case PIPE_STENCIL_OP_ZERO:
538		return V_02842C_STENCIL_ZERO;
539	case PIPE_STENCIL_OP_REPLACE:
540		return V_02842C_STENCIL_REPLACE_TEST;
541	case PIPE_STENCIL_OP_INCR:
542		return V_02842C_STENCIL_ADD_CLAMP;
543	case PIPE_STENCIL_OP_DECR:
544		return V_02842C_STENCIL_SUB_CLAMP;
545	case PIPE_STENCIL_OP_INCR_WRAP:
546		return V_02842C_STENCIL_ADD_WRAP;
547	case PIPE_STENCIL_OP_DECR_WRAP:
548		return V_02842C_STENCIL_SUB_WRAP;
549	case PIPE_STENCIL_OP_INVERT:
550		return V_02842C_STENCIL_INVERT;
551	default:
552		R600_ERR("Unknown stencil op %d", s_op);
553		assert(0);
554		break;
555	}
556	return 0;
557}
558
559static void *si_create_dsa_state(struct pipe_context *ctx,
560				 const struct pipe_depth_stencil_alpha_state *state)
561{
562	struct si_state_dsa *dsa = CALLOC_STRUCT(si_state_dsa);
563	struct si_pm4_state *pm4 = &dsa->pm4;
564	unsigned db_depth_control, /* alpha_test_control, */ alpha_ref;
565	unsigned db_render_override, db_render_control;
566	uint32_t db_stencil_control = 0;
567
568	if (dsa == NULL) {
569		return NULL;
570	}
571
572	dsa->valuemask[0] = state->stencil[0].valuemask;
573	dsa->valuemask[1] = state->stencil[1].valuemask;
574	dsa->writemask[0] = state->stencil[0].writemask;
575	dsa->writemask[1] = state->stencil[1].writemask;
576
577	db_depth_control = S_028800_Z_ENABLE(state->depth.enabled) |
578		S_028800_Z_WRITE_ENABLE(state->depth.writemask) |
579		S_028800_ZFUNC(state->depth.func);
580
581	/* stencil */
582	if (state->stencil[0].enabled) {
583		db_depth_control |= S_028800_STENCIL_ENABLE(1);
584		db_depth_control |= S_028800_STENCILFUNC(state->stencil[0].func);
585		db_stencil_control |= S_02842C_STENCILFAIL(si_translate_stencil_op(state->stencil[0].fail_op));
586		db_stencil_control |= S_02842C_STENCILZPASS(si_translate_stencil_op(state->stencil[0].zpass_op));
587		db_stencil_control |= S_02842C_STENCILZFAIL(si_translate_stencil_op(state->stencil[0].zfail_op));
588
589		if (state->stencil[1].enabled) {
590			db_depth_control |= S_028800_BACKFACE_ENABLE(1);
591			db_depth_control |= S_028800_STENCILFUNC_BF(state->stencil[1].func);
592			db_stencil_control |= S_02842C_STENCILFAIL_BF(si_translate_stencil_op(state->stencil[1].fail_op));
593			db_stencil_control |= S_02842C_STENCILZPASS_BF(si_translate_stencil_op(state->stencil[1].zpass_op));
594			db_stencil_control |= S_02842C_STENCILZFAIL_BF(si_translate_stencil_op(state->stencil[1].zfail_op));
595		}
596	}
597
598	/* alpha */
599	//alpha_test_control = 0;
600	alpha_ref = 0;
601	if (state->alpha.enabled) {
602		//alpha_test_control = S_028410_ALPHA_FUNC(state->alpha.func);
603		//alpha_test_control |= S_028410_ALPHA_TEST_ENABLE(1);
604		alpha_ref = fui(state->alpha.ref_value);
605	}
606	dsa->alpha_ref = alpha_ref;
607
608	/* misc */
609	db_render_control = 0;
610	db_render_override = S_02800C_FORCE_HIZ_ENABLE(V_02800C_FORCE_DISABLE) |
611		S_02800C_FORCE_HIS_ENABLE0(V_02800C_FORCE_DISABLE) |
612		S_02800C_FORCE_HIS_ENABLE1(V_02800C_FORCE_DISABLE);
613	/* TODO db_render_override depends on query */
614	si_pm4_set_reg(pm4, R_028020_DB_DEPTH_BOUNDS_MIN, 0x00000000);
615	si_pm4_set_reg(pm4, R_028024_DB_DEPTH_BOUNDS_MAX, 0x00000000);
616	si_pm4_set_reg(pm4, R_028028_DB_STENCIL_CLEAR, 0x00000000);
617	si_pm4_set_reg(pm4, R_02802C_DB_DEPTH_CLEAR, 0x3F800000);
618	//si_pm4_set_reg(pm4, R_028410_SX_ALPHA_TEST_CONTROL, alpha_test_control);
619	si_pm4_set_reg(pm4, R_028800_DB_DEPTH_CONTROL, db_depth_control);
620	si_pm4_set_reg(pm4, R_028000_DB_RENDER_CONTROL, db_render_control);
621	si_pm4_set_reg(pm4, R_02800C_DB_RENDER_OVERRIDE, db_render_override);
622	si_pm4_set_reg(pm4, R_02842C_DB_STENCIL_CONTROL, db_stencil_control);
623	si_pm4_set_reg(pm4, R_028AC0_DB_SRESULTS_COMPARE_STATE0, 0x0);
624	si_pm4_set_reg(pm4, R_028AC4_DB_SRESULTS_COMPARE_STATE1, 0x0);
625	si_pm4_set_reg(pm4, R_028AC8_DB_PRELOAD_CONTROL, 0x0);
626	si_pm4_set_reg(pm4, R_028B70_DB_ALPHA_TO_MASK, 0x0000AA00);
627	dsa->db_render_override = db_render_override;
628
629	return dsa;
630}
631
632static void si_bind_dsa_state(struct pipe_context *ctx, void *state)
633{
634        struct r600_context *rctx = (struct r600_context *)ctx;
635        struct si_state_dsa *dsa = state;
636
637        if (state == NULL)
638                return;
639
640	si_pm4_bind_state(rctx, dsa, dsa);
641	si_update_dsa_stencil_ref(rctx);
642
643	// TODO
644        rctx->alpha_ref = dsa->alpha_ref;
645        rctx->alpha_ref_dirty = true;
646}
647
648static void si_delete_dsa_state(struct pipe_context *ctx, void *state)
649{
650	struct r600_context *rctx = (struct r600_context *)ctx;
651	si_pm4_delete_state(rctx, dsa, (struct si_state_dsa *)state);
652}
653
654static void *si_create_db_flush_dsa(struct r600_context *rctx)
655{
656	struct pipe_depth_stencil_alpha_state dsa;
657        struct si_state_dsa *state;
658
659	memset(&dsa, 0, sizeof(dsa));
660
661	state = rctx->context.create_depth_stencil_alpha_state(&rctx->context, &dsa);
662	si_pm4_set_reg(&state->pm4, R_028000_DB_RENDER_CONTROL,
663		       S_028000_DEPTH_COPY(1) |
664		       S_028000_STENCIL_COPY(1) |
665		       S_028000_COPY_CENTROID(1));
666        return state;
667}
668
669/*
670 * format translation
671 */
672static uint32_t si_translate_colorformat(enum pipe_format format)
673{
674	switch (format) {
675	/* 8-bit buffers. */
676	case PIPE_FORMAT_A8_UNORM:
677	case PIPE_FORMAT_A8_UINT:
678	case PIPE_FORMAT_A8_SINT:
679	case PIPE_FORMAT_I8_UNORM:
680	case PIPE_FORMAT_I8_UINT:
681	case PIPE_FORMAT_I8_SINT:
682	case PIPE_FORMAT_L8_UNORM:
683	case PIPE_FORMAT_L8_UINT:
684	case PIPE_FORMAT_L8_SINT:
685	case PIPE_FORMAT_L8_SRGB:
686	case PIPE_FORMAT_R8_UNORM:
687	case PIPE_FORMAT_R8_SNORM:
688	case PIPE_FORMAT_R8_UINT:
689	case PIPE_FORMAT_R8_SINT:
690		return V_028C70_COLOR_8;
691
692	/* 16-bit buffers. */
693	case PIPE_FORMAT_B5G6R5_UNORM:
694		return V_028C70_COLOR_5_6_5;
695
696	case PIPE_FORMAT_B5G5R5A1_UNORM:
697	case PIPE_FORMAT_B5G5R5X1_UNORM:
698		return V_028C70_COLOR_1_5_5_5;
699
700	case PIPE_FORMAT_B4G4R4A4_UNORM:
701	case PIPE_FORMAT_B4G4R4X4_UNORM:
702		return V_028C70_COLOR_4_4_4_4;
703
704	case PIPE_FORMAT_L8A8_UNORM:
705	case PIPE_FORMAT_L8A8_UINT:
706	case PIPE_FORMAT_L8A8_SINT:
707	case PIPE_FORMAT_L8A8_SRGB:
708	case PIPE_FORMAT_R8G8_UNORM:
709	case PIPE_FORMAT_R8G8_UINT:
710	case PIPE_FORMAT_R8G8_SINT:
711		return V_028C70_COLOR_8_8;
712
713	case PIPE_FORMAT_Z16_UNORM:
714	case PIPE_FORMAT_R16_UNORM:
715	case PIPE_FORMAT_R16_UINT:
716	case PIPE_FORMAT_R16_SINT:
717	case PIPE_FORMAT_R16_FLOAT:
718	case PIPE_FORMAT_R16G16_FLOAT:
719		return V_028C70_COLOR_16;
720
721	/* 32-bit buffers. */
722	case PIPE_FORMAT_A8B8G8R8_SRGB:
723	case PIPE_FORMAT_A8B8G8R8_UNORM:
724	case PIPE_FORMAT_A8R8G8B8_UNORM:
725	case PIPE_FORMAT_B8G8R8A8_SRGB:
726	case PIPE_FORMAT_B8G8R8A8_UNORM:
727	case PIPE_FORMAT_B8G8R8X8_UNORM:
728	case PIPE_FORMAT_R8G8B8A8_SNORM:
729	case PIPE_FORMAT_R8G8B8A8_UNORM:
730	case PIPE_FORMAT_R8G8B8X8_UNORM:
731	case PIPE_FORMAT_R8SG8SB8UX8U_NORM:
732	case PIPE_FORMAT_X8B8G8R8_UNORM:
733	case PIPE_FORMAT_X8R8G8B8_UNORM:
734	case PIPE_FORMAT_R8G8B8_UNORM:
735	case PIPE_FORMAT_R8G8B8A8_SSCALED:
736	case PIPE_FORMAT_R8G8B8A8_USCALED:
737	case PIPE_FORMAT_R8G8B8A8_SINT:
738	case PIPE_FORMAT_R8G8B8A8_UINT:
739		return V_028C70_COLOR_8_8_8_8;
740
741	case PIPE_FORMAT_R10G10B10A2_UNORM:
742	case PIPE_FORMAT_R10G10B10X2_SNORM:
743	case PIPE_FORMAT_B10G10R10A2_UNORM:
744	case PIPE_FORMAT_B10G10R10A2_UINT:
745	case PIPE_FORMAT_R10SG10SB10SA2U_NORM:
746		return V_028C70_COLOR_2_10_10_10;
747
748	case PIPE_FORMAT_Z24X8_UNORM:
749	case PIPE_FORMAT_Z24_UNORM_S8_UINT:
750		return V_028C70_COLOR_8_24;
751
752	case PIPE_FORMAT_X8Z24_UNORM:
753	case PIPE_FORMAT_S8_UINT_Z24_UNORM:
754		return V_028C70_COLOR_24_8;
755
756	case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
757		return V_028C70_COLOR_X24_8_32_FLOAT;
758
759	case PIPE_FORMAT_R32_FLOAT:
760	case PIPE_FORMAT_Z32_FLOAT:
761		return V_028C70_COLOR_32;
762
763	case PIPE_FORMAT_R16G16_SSCALED:
764	case PIPE_FORMAT_R16G16_UNORM:
765	case PIPE_FORMAT_R16G16_UINT:
766	case PIPE_FORMAT_R16G16_SINT:
767		return V_028C70_COLOR_16_16;
768
769	case PIPE_FORMAT_R11G11B10_FLOAT:
770		return V_028C70_COLOR_10_11_11;
771
772	/* 64-bit buffers. */
773	case PIPE_FORMAT_R16G16B16_USCALED:
774	case PIPE_FORMAT_R16G16B16_SSCALED:
775	case PIPE_FORMAT_R16G16B16A16_UINT:
776	case PIPE_FORMAT_R16G16B16A16_SINT:
777	case PIPE_FORMAT_R16G16B16A16_USCALED:
778	case PIPE_FORMAT_R16G16B16A16_SSCALED:
779	case PIPE_FORMAT_R16G16B16A16_UNORM:
780	case PIPE_FORMAT_R16G16B16A16_SNORM:
781	case PIPE_FORMAT_R16G16B16_FLOAT:
782	case PIPE_FORMAT_R16G16B16A16_FLOAT:
783		return V_028C70_COLOR_16_16_16_16;
784
785	case PIPE_FORMAT_R32G32_FLOAT:
786	case PIPE_FORMAT_R32G32_USCALED:
787	case PIPE_FORMAT_R32G32_SSCALED:
788	case PIPE_FORMAT_R32G32_SINT:
789	case PIPE_FORMAT_R32G32_UINT:
790		return V_028C70_COLOR_32_32;
791
792	/* 128-bit buffers. */
793	case PIPE_FORMAT_R32G32B32A32_SNORM:
794	case PIPE_FORMAT_R32G32B32A32_UNORM:
795	case PIPE_FORMAT_R32G32B32A32_SSCALED:
796	case PIPE_FORMAT_R32G32B32A32_USCALED:
797	case PIPE_FORMAT_R32G32B32A32_SINT:
798	case PIPE_FORMAT_R32G32B32A32_UINT:
799	case PIPE_FORMAT_R32G32B32A32_FLOAT:
800		return V_028C70_COLOR_32_32_32_32;
801
802	/* YUV buffers. */
803	case PIPE_FORMAT_UYVY:
804	case PIPE_FORMAT_YUYV:
805	/* 96-bit buffers. */
806	case PIPE_FORMAT_R32G32B32_FLOAT:
807	/* 8-bit buffers. */
808	case PIPE_FORMAT_L4A4_UNORM:
809	case PIPE_FORMAT_R4A4_UNORM:
810	case PIPE_FORMAT_A4R4_UNORM:
811	default:
812		return ~0U; /* Unsupported. */
813	}
814}
815
816static uint32_t si_translate_colorswap(enum pipe_format format)
817{
818	switch (format) {
819	/* 8-bit buffers. */
820	case PIPE_FORMAT_L4A4_UNORM:
821	case PIPE_FORMAT_A4R4_UNORM:
822		return V_028C70_SWAP_ALT;
823
824	case PIPE_FORMAT_A8_UNORM:
825	case PIPE_FORMAT_A8_UINT:
826	case PIPE_FORMAT_A8_SINT:
827	case PIPE_FORMAT_R4A4_UNORM:
828		return V_028C70_SWAP_ALT_REV;
829	case PIPE_FORMAT_I8_UNORM:
830	case PIPE_FORMAT_L8_UNORM:
831	case PIPE_FORMAT_I8_UINT:
832	case PIPE_FORMAT_I8_SINT:
833	case PIPE_FORMAT_L8_UINT:
834	case PIPE_FORMAT_L8_SINT:
835	case PIPE_FORMAT_L8_SRGB:
836	case PIPE_FORMAT_R8_UNORM:
837	case PIPE_FORMAT_R8_SNORM:
838	case PIPE_FORMAT_R8_UINT:
839	case PIPE_FORMAT_R8_SINT:
840		return V_028C70_SWAP_STD;
841
842	/* 16-bit buffers. */
843	case PIPE_FORMAT_B5G6R5_UNORM:
844		return V_028C70_SWAP_STD_REV;
845
846	case PIPE_FORMAT_B5G5R5A1_UNORM:
847	case PIPE_FORMAT_B5G5R5X1_UNORM:
848		return V_028C70_SWAP_ALT;
849
850	case PIPE_FORMAT_B4G4R4A4_UNORM:
851	case PIPE_FORMAT_B4G4R4X4_UNORM:
852		return V_028C70_SWAP_ALT;
853
854	case PIPE_FORMAT_Z16_UNORM:
855		return V_028C70_SWAP_STD;
856
857	case PIPE_FORMAT_L8A8_UNORM:
858	case PIPE_FORMAT_L8A8_UINT:
859	case PIPE_FORMAT_L8A8_SINT:
860	case PIPE_FORMAT_L8A8_SRGB:
861		return V_028C70_SWAP_ALT;
862	case PIPE_FORMAT_R8G8_UNORM:
863	case PIPE_FORMAT_R8G8_UINT:
864	case PIPE_FORMAT_R8G8_SINT:
865		return V_028C70_SWAP_STD;
866
867	case PIPE_FORMAT_R16_UNORM:
868	case PIPE_FORMAT_R16_UINT:
869	case PIPE_FORMAT_R16_SINT:
870	case PIPE_FORMAT_R16_FLOAT:
871		return V_028C70_SWAP_STD;
872
873	/* 32-bit buffers. */
874	case PIPE_FORMAT_A8B8G8R8_SRGB:
875		return V_028C70_SWAP_STD_REV;
876	case PIPE_FORMAT_B8G8R8A8_SRGB:
877		return V_028C70_SWAP_ALT;
878
879	case PIPE_FORMAT_B8G8R8A8_UNORM:
880	case PIPE_FORMAT_B8G8R8X8_UNORM:
881		return V_028C70_SWAP_ALT;
882
883	case PIPE_FORMAT_A8R8G8B8_UNORM:
884	case PIPE_FORMAT_X8R8G8B8_UNORM:
885		return V_028C70_SWAP_ALT_REV;
886	case PIPE_FORMAT_R8G8B8A8_SNORM:
887	case PIPE_FORMAT_R8G8B8A8_UNORM:
888	case PIPE_FORMAT_R8G8B8A8_SSCALED:
889	case PIPE_FORMAT_R8G8B8A8_USCALED:
890	case PIPE_FORMAT_R8G8B8A8_SINT:
891	case PIPE_FORMAT_R8G8B8A8_UINT:
892	case PIPE_FORMAT_R8G8B8X8_UNORM:
893		return V_028C70_SWAP_STD;
894
895	case PIPE_FORMAT_A8B8G8R8_UNORM:
896	case PIPE_FORMAT_X8B8G8R8_UNORM:
897	/* case PIPE_FORMAT_R8SG8SB8UX8U_NORM: */
898		return V_028C70_SWAP_STD_REV;
899
900	case PIPE_FORMAT_Z24X8_UNORM:
901	case PIPE_FORMAT_Z24_UNORM_S8_UINT:
902		return V_028C70_SWAP_STD;
903
904	case PIPE_FORMAT_X8Z24_UNORM:
905	case PIPE_FORMAT_S8_UINT_Z24_UNORM:
906		return V_028C70_SWAP_STD;
907
908	case PIPE_FORMAT_R10G10B10A2_UNORM:
909	case PIPE_FORMAT_R10G10B10X2_SNORM:
910	case PIPE_FORMAT_R10SG10SB10SA2U_NORM:
911		return V_028C70_SWAP_STD;
912
913	case PIPE_FORMAT_B10G10R10A2_UNORM:
914	case PIPE_FORMAT_B10G10R10A2_UINT:
915		return V_028C70_SWAP_ALT;
916
917	case PIPE_FORMAT_R11G11B10_FLOAT:
918	case PIPE_FORMAT_R32_FLOAT:
919	case PIPE_FORMAT_R32_UINT:
920	case PIPE_FORMAT_R32_SINT:
921	case PIPE_FORMAT_Z32_FLOAT:
922	case PIPE_FORMAT_R16G16_FLOAT:
923	case PIPE_FORMAT_R16G16_UNORM:
924	case PIPE_FORMAT_R16G16_UINT:
925	case PIPE_FORMAT_R16G16_SINT:
926		return V_028C70_SWAP_STD;
927
928	/* 64-bit buffers. */
929	case PIPE_FORMAT_R32G32_FLOAT:
930	case PIPE_FORMAT_R32G32_UINT:
931	case PIPE_FORMAT_R32G32_SINT:
932	case PIPE_FORMAT_R16G16B16A16_UNORM:
933	case PIPE_FORMAT_R16G16B16A16_SNORM:
934	case PIPE_FORMAT_R16G16B16A16_USCALED:
935	case PIPE_FORMAT_R16G16B16A16_SSCALED:
936	case PIPE_FORMAT_R16G16B16A16_UINT:
937	case PIPE_FORMAT_R16G16B16A16_SINT:
938	case PIPE_FORMAT_R16G16B16A16_FLOAT:
939	case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
940
941	/* 128-bit buffers. */
942	case PIPE_FORMAT_R32G32B32A32_FLOAT:
943	case PIPE_FORMAT_R32G32B32A32_SNORM:
944	case PIPE_FORMAT_R32G32B32A32_UNORM:
945	case PIPE_FORMAT_R32G32B32A32_SSCALED:
946	case PIPE_FORMAT_R32G32B32A32_USCALED:
947	case PIPE_FORMAT_R32G32B32A32_SINT:
948	case PIPE_FORMAT_R32G32B32A32_UINT:
949		return V_028C70_SWAP_STD;
950	default:
951		R600_ERR("unsupported colorswap format %d\n", format);
952		return ~0U;
953	}
954	return ~0U;
955}
956
957static uint32_t si_colorformat_endian_swap(uint32_t colorformat)
958{
959	if (R600_BIG_ENDIAN) {
960		switch(colorformat) {
961		/* 8-bit buffers. */
962		case V_028C70_COLOR_8:
963			return V_028C70_ENDIAN_NONE;
964
965		/* 16-bit buffers. */
966		case V_028C70_COLOR_5_6_5:
967		case V_028C70_COLOR_1_5_5_5:
968		case V_028C70_COLOR_4_4_4_4:
969		case V_028C70_COLOR_16:
970		case V_028C70_COLOR_8_8:
971			return V_028C70_ENDIAN_8IN16;
972
973		/* 32-bit buffers. */
974		case V_028C70_COLOR_8_8_8_8:
975		case V_028C70_COLOR_2_10_10_10:
976		case V_028C70_COLOR_8_24:
977		case V_028C70_COLOR_24_8:
978		case V_028C70_COLOR_16_16:
979			return V_028C70_ENDIAN_8IN32;
980
981		/* 64-bit buffers. */
982		case V_028C70_COLOR_16_16_16_16:
983			return V_028C70_ENDIAN_8IN16;
984
985		case V_028C70_COLOR_32_32:
986			return V_028C70_ENDIAN_8IN32;
987
988		/* 128-bit buffers. */
989		case V_028C70_COLOR_32_32_32_32:
990			return V_028C70_ENDIAN_8IN32;
991		default:
992			return V_028C70_ENDIAN_NONE; /* Unsupported. */
993		}
994	} else {
995		return V_028C70_ENDIAN_NONE;
996	}
997}
998
999static uint32_t si_translate_dbformat(enum pipe_format format)
1000{
1001	switch (format) {
1002	case PIPE_FORMAT_Z16_UNORM:
1003		return V_028040_Z_16;
1004	case PIPE_FORMAT_Z24X8_UNORM:
1005	case PIPE_FORMAT_Z24_UNORM_S8_UINT:
1006		return V_028040_Z_24; /* XXX no longer supported on SI */
1007	case PIPE_FORMAT_Z32_FLOAT:
1008	case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
1009		return V_028040_Z_32_FLOAT;
1010	default:
1011		return ~0U;
1012	}
1013}
1014
1015/*
1016 * Texture translation
1017 */
1018
1019static uint32_t si_translate_texformat(struct pipe_screen *screen,
1020				       enum pipe_format format,
1021				       const struct util_format_description *desc,
1022				       int first_non_void)
1023{
1024	boolean uniform = TRUE;
1025	int i;
1026
1027	/* Colorspace (return non-RGB formats directly). */
1028	switch (desc->colorspace) {
1029	/* Depth stencil formats */
1030	case UTIL_FORMAT_COLORSPACE_ZS:
1031		switch (format) {
1032		case PIPE_FORMAT_Z16_UNORM:
1033			return V_008F14_IMG_DATA_FORMAT_16;
1034		case PIPE_FORMAT_X24S8_UINT:
1035		case PIPE_FORMAT_Z24X8_UNORM:
1036		case PIPE_FORMAT_Z24_UNORM_S8_UINT:
1037			return V_008F14_IMG_DATA_FORMAT_24_8;
1038		case PIPE_FORMAT_S8X24_UINT:
1039		case PIPE_FORMAT_X8Z24_UNORM:
1040		case PIPE_FORMAT_S8_UINT_Z24_UNORM:
1041			return V_008F14_IMG_DATA_FORMAT_8_24;
1042		case PIPE_FORMAT_S8_UINT:
1043			return V_008F14_IMG_DATA_FORMAT_8;
1044		case PIPE_FORMAT_Z32_FLOAT:
1045			return V_008F14_IMG_DATA_FORMAT_32;
1046		case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
1047			return V_008F14_IMG_DATA_FORMAT_X24_8_32;
1048		default:
1049			goto out_unknown;
1050		}
1051
1052	case UTIL_FORMAT_COLORSPACE_YUV:
1053		goto out_unknown; /* TODO */
1054
1055	case UTIL_FORMAT_COLORSPACE_SRGB:
1056		break;
1057
1058	default:
1059		break;
1060	}
1061
1062	/* TODO compressed formats */
1063
1064	if (format == PIPE_FORMAT_R9G9B9E5_FLOAT) {
1065		return V_008F14_IMG_DATA_FORMAT_5_9_9_9;
1066	} else if (format == PIPE_FORMAT_R11G11B10_FLOAT) {
1067		return V_008F14_IMG_DATA_FORMAT_10_11_11;
1068	}
1069
1070	/* R8G8Bx_SNORM - TODO CxV8U8 */
1071
1072	/* See whether the components are of the same size. */
1073	for (i = 1; i < desc->nr_channels; i++) {
1074		uniform = uniform && desc->channel[0].size == desc->channel[i].size;
1075	}
1076
1077	/* Non-uniform formats. */
1078	if (!uniform) {
1079		switch(desc->nr_channels) {
1080		case 3:
1081			if (desc->channel[0].size == 5 &&
1082			    desc->channel[1].size == 6 &&
1083			    desc->channel[2].size == 5) {
1084				return V_008F14_IMG_DATA_FORMAT_5_6_5;
1085			}
1086			goto out_unknown;
1087		case 4:
1088			if (desc->channel[0].size == 5 &&
1089			    desc->channel[1].size == 5 &&
1090			    desc->channel[2].size == 5 &&
1091			    desc->channel[3].size == 1) {
1092				return V_008F14_IMG_DATA_FORMAT_1_5_5_5;
1093			}
1094			if (desc->channel[0].size == 10 &&
1095			    desc->channel[1].size == 10 &&
1096			    desc->channel[2].size == 10 &&
1097			    desc->channel[3].size == 2) {
1098				return V_008F14_IMG_DATA_FORMAT_2_10_10_10;
1099			}
1100			goto out_unknown;
1101		}
1102		goto out_unknown;
1103	}
1104
1105	if (first_non_void < 0 || first_non_void > 3)
1106		goto out_unknown;
1107
1108	/* uniform formats */
1109	switch (desc->channel[first_non_void].size) {
1110	case 4:
1111		switch (desc->nr_channels) {
1112		case 2:
1113			return V_008F14_IMG_DATA_FORMAT_4_4;
1114		case 4:
1115			return V_008F14_IMG_DATA_FORMAT_4_4_4_4;
1116		}
1117		break;
1118	case 8:
1119		switch (desc->nr_channels) {
1120		case 1:
1121			return V_008F14_IMG_DATA_FORMAT_8;
1122		case 2:
1123			return V_008F14_IMG_DATA_FORMAT_8_8;
1124		case 4:
1125			return V_008F14_IMG_DATA_FORMAT_8_8_8_8;
1126		}
1127		break;
1128	case 16:
1129		switch (desc->nr_channels) {
1130		case 1:
1131			return V_008F14_IMG_DATA_FORMAT_16;
1132		case 2:
1133			return V_008F14_IMG_DATA_FORMAT_16_16;
1134		case 4:
1135			return V_008F14_IMG_DATA_FORMAT_16_16_16_16;
1136		}
1137		break;
1138	case 32:
1139		switch (desc->nr_channels) {
1140		case 1:
1141			return V_008F14_IMG_DATA_FORMAT_32;
1142		case 2:
1143			return V_008F14_IMG_DATA_FORMAT_32_32;
1144		case 3:
1145			return V_008F14_IMG_DATA_FORMAT_32_32_32;
1146		case 4:
1147			return V_008F14_IMG_DATA_FORMAT_32_32_32_32;
1148		}
1149	}
1150
1151out_unknown:
1152	/* R600_ERR("Unable to handle texformat %d %s\n", format, util_format_name(format)); */
1153	return ~0;
1154}
1155
1156static unsigned si_tex_wrap(unsigned wrap)
1157{
1158	switch (wrap) {
1159	default:
1160	case PIPE_TEX_WRAP_REPEAT:
1161		return V_008F30_SQ_TEX_WRAP;
1162	case PIPE_TEX_WRAP_CLAMP:
1163		return V_008F30_SQ_TEX_CLAMP_HALF_BORDER;
1164	case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
1165		return V_008F30_SQ_TEX_CLAMP_LAST_TEXEL;
1166	case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
1167		return V_008F30_SQ_TEX_CLAMP_BORDER;
1168	case PIPE_TEX_WRAP_MIRROR_REPEAT:
1169		return V_008F30_SQ_TEX_MIRROR;
1170	case PIPE_TEX_WRAP_MIRROR_CLAMP:
1171		return V_008F30_SQ_TEX_MIRROR_ONCE_HALF_BORDER;
1172	case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE:
1173		return V_008F30_SQ_TEX_MIRROR_ONCE_LAST_TEXEL;
1174	case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER:
1175		return V_008F30_SQ_TEX_MIRROR_ONCE_BORDER;
1176	}
1177}
1178
1179static unsigned si_tex_filter(unsigned filter)
1180{
1181	switch (filter) {
1182	default:
1183	case PIPE_TEX_FILTER_NEAREST:
1184		return V_008F38_SQ_TEX_XY_FILTER_POINT;
1185	case PIPE_TEX_FILTER_LINEAR:
1186		return V_008F38_SQ_TEX_XY_FILTER_BILINEAR;
1187	}
1188}
1189
1190static unsigned si_tex_mipfilter(unsigned filter)
1191{
1192	switch (filter) {
1193	case PIPE_TEX_MIPFILTER_NEAREST:
1194		return V_008F38_SQ_TEX_Z_FILTER_POINT;
1195	case PIPE_TEX_MIPFILTER_LINEAR:
1196		return V_008F38_SQ_TEX_Z_FILTER_LINEAR;
1197	default:
1198	case PIPE_TEX_MIPFILTER_NONE:
1199		return V_008F38_SQ_TEX_Z_FILTER_NONE;
1200	}
1201}
1202
1203static unsigned si_tex_compare(unsigned compare)
1204{
1205	switch (compare) {
1206	default:
1207	case PIPE_FUNC_NEVER:
1208		return V_008F30_SQ_TEX_DEPTH_COMPARE_NEVER;
1209	case PIPE_FUNC_LESS:
1210		return V_008F30_SQ_TEX_DEPTH_COMPARE_LESS;
1211	case PIPE_FUNC_EQUAL:
1212		return V_008F30_SQ_TEX_DEPTH_COMPARE_EQUAL;
1213	case PIPE_FUNC_LEQUAL:
1214		return V_008F30_SQ_TEX_DEPTH_COMPARE_LESSEQUAL;
1215	case PIPE_FUNC_GREATER:
1216		return V_008F30_SQ_TEX_DEPTH_COMPARE_GREATER;
1217	case PIPE_FUNC_NOTEQUAL:
1218		return V_008F30_SQ_TEX_DEPTH_COMPARE_NOTEQUAL;
1219	case PIPE_FUNC_GEQUAL:
1220		return V_008F30_SQ_TEX_DEPTH_COMPARE_GREATEREQUAL;
1221	case PIPE_FUNC_ALWAYS:
1222		return V_008F30_SQ_TEX_DEPTH_COMPARE_ALWAYS;
1223	}
1224}
1225
1226static unsigned si_tex_dim(unsigned dim)
1227{
1228	switch (dim) {
1229	default:
1230	case PIPE_TEXTURE_1D:
1231		return V_008F1C_SQ_RSRC_IMG_1D;
1232	case PIPE_TEXTURE_1D_ARRAY:
1233		return V_008F1C_SQ_RSRC_IMG_1D_ARRAY;
1234	case PIPE_TEXTURE_2D:
1235	case PIPE_TEXTURE_RECT:
1236		return V_008F1C_SQ_RSRC_IMG_2D;
1237	case PIPE_TEXTURE_2D_ARRAY:
1238		return V_008F1C_SQ_RSRC_IMG_2D_ARRAY;
1239	case PIPE_TEXTURE_3D:
1240		return V_008F1C_SQ_RSRC_IMG_3D;
1241	case PIPE_TEXTURE_CUBE:
1242		return V_008F1C_SQ_RSRC_IMG_CUBE;
1243	}
1244}
1245
1246/*
1247 * Format support testing
1248 */
1249
1250static bool si_is_sampler_format_supported(struct pipe_screen *screen, enum pipe_format format)
1251{
1252	return si_translate_texformat(screen, format, util_format_description(format),
1253				      util_format_get_first_non_void_channel(format)) != ~0U;
1254}
1255
1256static uint32_t si_translate_vertexformat(struct pipe_screen *screen,
1257					  enum pipe_format format,
1258					  const struct util_format_description *desc,
1259					  int first_non_void)
1260{
1261	unsigned type = desc->channel[first_non_void].type;
1262	int i;
1263
1264	if (type == UTIL_FORMAT_TYPE_FIXED)
1265		return V_008F0C_BUF_DATA_FORMAT_INVALID;
1266
1267	/* See whether the components are of the same size. */
1268	for (i = 0; i < desc->nr_channels; i++) {
1269		if (desc->channel[first_non_void].size != desc->channel[i].size)
1270			return V_008F0C_BUF_DATA_FORMAT_INVALID;
1271	}
1272
1273	switch (desc->channel[first_non_void].size) {
1274	case 8:
1275		switch (desc->nr_channels) {
1276		case 1:
1277			return V_008F0C_BUF_DATA_FORMAT_8;
1278		case 2:
1279			return V_008F0C_BUF_DATA_FORMAT_8_8;
1280		case 3:
1281		case 4:
1282			return V_008F0C_BUF_DATA_FORMAT_8_8_8_8;
1283		}
1284		break;
1285	case 16:
1286		switch (desc->nr_channels) {
1287		case 1:
1288			return V_008F0C_BUF_DATA_FORMAT_16;
1289		case 2:
1290			return V_008F0C_BUF_DATA_FORMAT_16_16;
1291		case 3:
1292		case 4:
1293			return V_008F0C_BUF_DATA_FORMAT_16_16_16_16;
1294		}
1295		break;
1296	case 32:
1297		if (type != UTIL_FORMAT_TYPE_FLOAT)
1298			return V_008F0C_BUF_DATA_FORMAT_INVALID;
1299
1300		switch (desc->nr_channels) {
1301		case 1:
1302			return V_008F0C_BUF_DATA_FORMAT_32;
1303		case 2:
1304			return V_008F0C_BUF_DATA_FORMAT_32_32;
1305		case 3:
1306			return V_008F0C_BUF_DATA_FORMAT_32_32_32;
1307		case 4:
1308			return V_008F0C_BUF_DATA_FORMAT_32_32_32_32;
1309		}
1310		break;
1311	}
1312
1313	return V_008F0C_BUF_DATA_FORMAT_INVALID;
1314}
1315
1316static bool si_is_vertex_format_supported(struct pipe_screen *screen, enum pipe_format format)
1317{
1318	const struct util_format_description *desc;
1319	int first_non_void;
1320	unsigned data_format;
1321
1322	desc = util_format_description(format);
1323	first_non_void = util_format_get_first_non_void_channel(format);
1324	data_format = si_translate_vertexformat(screen, format, desc, first_non_void);
1325	return data_format != V_008F0C_BUF_DATA_FORMAT_INVALID;
1326}
1327
1328static bool si_is_colorbuffer_format_supported(enum pipe_format format)
1329{
1330	return si_translate_colorformat(format) != ~0U &&
1331		si_translate_colorswap(format) != ~0U;
1332}
1333
1334static bool si_is_zs_format_supported(enum pipe_format format)
1335{
1336	return si_translate_dbformat(format) != ~0U;
1337}
1338
1339bool si_is_format_supported(struct pipe_screen *screen,
1340			    enum pipe_format format,
1341			    enum pipe_texture_target target,
1342			    unsigned sample_count,
1343			    unsigned usage)
1344{
1345	unsigned retval = 0;
1346
1347	if (target >= PIPE_MAX_TEXTURE_TYPES) {
1348		R600_ERR("r600: unsupported texture type %d\n", target);
1349		return FALSE;
1350	}
1351
1352	if (!util_format_is_supported(format, usage))
1353		return FALSE;
1354
1355	/* Multisample */
1356	if (sample_count > 1)
1357		return FALSE;
1358
1359	if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
1360	    si_is_sampler_format_supported(screen, format)) {
1361		retval |= PIPE_BIND_SAMPLER_VIEW;
1362	}
1363
1364	if ((usage & (PIPE_BIND_RENDER_TARGET |
1365		      PIPE_BIND_DISPLAY_TARGET |
1366		      PIPE_BIND_SCANOUT |
1367		      PIPE_BIND_SHARED)) &&
1368	    si_is_colorbuffer_format_supported(format)) {
1369		retval |= usage &
1370			  (PIPE_BIND_RENDER_TARGET |
1371			   PIPE_BIND_DISPLAY_TARGET |
1372			   PIPE_BIND_SCANOUT |
1373			   PIPE_BIND_SHARED);
1374	}
1375
1376	if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
1377	    si_is_zs_format_supported(format)) {
1378		retval |= PIPE_BIND_DEPTH_STENCIL;
1379	}
1380
1381	if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
1382	    si_is_vertex_format_supported(screen, format)) {
1383		retval |= PIPE_BIND_VERTEX_BUFFER;
1384	}
1385
1386	if (usage & PIPE_BIND_TRANSFER_READ)
1387		retval |= PIPE_BIND_TRANSFER_READ;
1388	if (usage & PIPE_BIND_TRANSFER_WRITE)
1389		retval |= PIPE_BIND_TRANSFER_WRITE;
1390
1391	return retval == usage;
1392}
1393
1394/*
1395 * framebuffer handling
1396 */
1397
1398static void si_cb(struct r600_context *rctx, struct si_pm4_state *pm4,
1399		  const struct pipe_framebuffer_state *state, int cb)
1400{
1401	struct r600_resource_texture *rtex;
1402	struct r600_surface *surf;
1403	unsigned level = state->cbufs[cb]->u.tex.level;
1404	unsigned pitch, slice;
1405	unsigned color_info, color_attrib;
1406	unsigned format, swap, ntype, endian;
1407	uint64_t offset;
1408	unsigned blocksize;
1409	const struct util_format_description *desc;
1410	int i;
1411	unsigned blend_clamp = 0, blend_bypass = 0;
1412
1413	surf = (struct r600_surface *)state->cbufs[cb];
1414	rtex = (struct r600_resource_texture*)state->cbufs[cb]->texture;
1415	blocksize = util_format_get_blocksize(rtex->real_format);
1416
1417	if (rtex->depth)
1418		rctx->have_depth_fb = TRUE;
1419
1420	if (rtex->depth && !rtex->is_flushing_texture) {
1421	        r600_texture_depth_flush(&rctx->context, state->cbufs[cb]->texture, TRUE);
1422		rtex = rtex->flushed_depth_texture;
1423	}
1424
1425	offset = rtex->surface.level[level].offset;
1426	if (rtex->surface.level[level].mode < RADEON_SURF_MODE_1D) {
1427		offset += rtex->surface.level[level].slice_size *
1428			  state->cbufs[cb]->u.tex.first_layer;
1429	}
1430	pitch = (rtex->surface.level[level].nblk_x) / 8 - 1;
1431	slice = (rtex->surface.level[level].nblk_x * rtex->surface.level[level].nblk_y) / 64;
1432	if (slice) {
1433		slice = slice - 1;
1434	}
1435
1436	color_attrib = S_028C74_TILE_MODE_INDEX(8);
1437	switch (rtex->surface.level[level].mode) {
1438	case RADEON_SURF_MODE_LINEAR_ALIGNED:
1439		color_attrib = S_028C74_TILE_MODE_INDEX(8);
1440		break;
1441	case RADEON_SURF_MODE_1D:
1442		color_attrib = S_028C74_TILE_MODE_INDEX(9);
1443		break;
1444	case RADEON_SURF_MODE_2D:
1445		if (rtex->resource.b.b.bind & PIPE_BIND_SCANOUT) {
1446			switch (blocksize) {
1447			case 1:
1448				color_attrib = S_028C74_TILE_MODE_INDEX(10);
1449				break;
1450			case 2:
1451				color_attrib = S_028C74_TILE_MODE_INDEX(11);
1452				break;
1453			case 4:
1454				color_attrib = S_028C74_TILE_MODE_INDEX(12);
1455				break;
1456			}
1457			break;
1458		} else switch (blocksize) {
1459		case 1:
1460			color_attrib = S_028C74_TILE_MODE_INDEX(14);
1461			break;
1462		case 2:
1463			color_attrib = S_028C74_TILE_MODE_INDEX(15);
1464			break;
1465		case 4:
1466			color_attrib = S_028C74_TILE_MODE_INDEX(16);
1467			break;
1468		case 8:
1469			color_attrib = S_028C74_TILE_MODE_INDEX(17);
1470			break;
1471		default:
1472			color_attrib = S_028C74_TILE_MODE_INDEX(13);
1473		}
1474		break;
1475	}
1476
1477	desc = util_format_description(surf->base.format);
1478	for (i = 0; i < 4; i++) {
1479		if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
1480			break;
1481		}
1482	}
1483	if (desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT) {
1484		ntype = V_028C70_NUMBER_FLOAT;
1485	} else {
1486		ntype = V_028C70_NUMBER_UNORM;
1487		if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB)
1488			ntype = V_028C70_NUMBER_SRGB;
1489		else if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
1490			if (desc->channel[i].normalized)
1491				ntype = V_028C70_NUMBER_SNORM;
1492			else if (desc->channel[i].pure_integer)
1493				ntype = V_028C70_NUMBER_SINT;
1494		} else if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) {
1495			if (desc->channel[i].normalized)
1496				ntype = V_028C70_NUMBER_UNORM;
1497			else if (desc->channel[i].pure_integer)
1498				ntype = V_028C70_NUMBER_UINT;
1499		}
1500	}
1501
1502	format = si_translate_colorformat(surf->base.format);
1503	swap = si_translate_colorswap(surf->base.format);
1504	if (rtex->resource.b.b.usage == PIPE_USAGE_STAGING) {
1505		endian = V_028C70_ENDIAN_NONE;
1506	} else {
1507		endian = si_colorformat_endian_swap(format);
1508	}
1509
1510	/* blend clamp should be set for all NORM/SRGB types */
1511	if (ntype == V_028C70_NUMBER_UNORM ||
1512	    ntype == V_028C70_NUMBER_SNORM ||
1513	    ntype == V_028C70_NUMBER_SRGB)
1514		blend_clamp = 1;
1515
1516	/* set blend bypass according to docs if SINT/UINT or
1517	   8/24 COLOR variants */
1518	if (ntype == V_028C70_NUMBER_UINT || ntype == V_028C70_NUMBER_SINT ||
1519	    format == V_028C70_COLOR_8_24 || format == V_028C70_COLOR_24_8 ||
1520	    format == V_028C70_COLOR_X24_8_32_FLOAT) {
1521		blend_clamp = 0;
1522		blend_bypass = 1;
1523	}
1524
1525	color_info = S_028C70_FORMAT(format) |
1526		S_028C70_COMP_SWAP(swap) |
1527		S_028C70_BLEND_CLAMP(blend_clamp) |
1528		S_028C70_BLEND_BYPASS(blend_bypass) |
1529		S_028C70_NUMBER_TYPE(ntype) |
1530		S_028C70_ENDIAN(endian);
1531
1532	rctx->alpha_ref_dirty = true;
1533
1534	offset += r600_resource_va(rctx->context.screen, state->cbufs[cb]->texture);
1535	offset >>= 8;
1536
1537	/* FIXME handle enabling of CB beyond BASE8 which has different offset */
1538	si_pm4_add_bo(pm4, &rtex->resource, RADEON_USAGE_READWRITE);
1539	si_pm4_set_reg(pm4, R_028C60_CB_COLOR0_BASE + cb * 0x3C, offset);
1540	si_pm4_set_reg(pm4, R_028C64_CB_COLOR0_PITCH + cb * 0x3C, S_028C64_TILE_MAX(pitch));
1541	si_pm4_set_reg(pm4, R_028C68_CB_COLOR0_SLICE + cb * 0x3C, S_028C68_TILE_MAX(slice));
1542
1543	if (rtex->surface.level[level].mode < RADEON_SURF_MODE_1D) {
1544		si_pm4_set_reg(pm4, R_028C6C_CB_COLOR0_VIEW + cb * 0x3C, 0x00000000);
1545	} else {
1546		si_pm4_set_reg(pm4, R_028C6C_CB_COLOR0_VIEW + cb * 0x3C,
1547			       S_028C6C_SLICE_START(state->cbufs[cb]->u.tex.first_layer) |
1548			       S_028C6C_SLICE_MAX(state->cbufs[cb]->u.tex.last_layer));
1549	}
1550	si_pm4_set_reg(pm4, R_028C70_CB_COLOR0_INFO + cb * 0x3C, color_info);
1551	si_pm4_set_reg(pm4, R_028C74_CB_COLOR0_ATTRIB + cb * 0x3C, color_attrib);
1552}
1553
1554static void si_db(struct r600_context *rctx, struct si_pm4_state *pm4,
1555		  const struct pipe_framebuffer_state *state)
1556{
1557	struct r600_resource_texture *rtex;
1558	struct r600_surface *surf;
1559	unsigned level, pitch, slice, format;
1560	uint32_t z_info, s_info;
1561	uint64_t z_offs, s_offs;
1562
1563	if (state->zsbuf == NULL) {
1564		si_pm4_set_reg(pm4, R_028040_DB_Z_INFO, 0);
1565		si_pm4_set_reg(pm4, R_028044_DB_STENCIL_INFO, 0);
1566		return;
1567	}
1568
1569	surf = (struct r600_surface *)state->zsbuf;
1570	level = surf->base.u.tex.level;
1571	rtex = (struct r600_resource_texture*)surf->base.texture;
1572
1573	format = si_translate_dbformat(rtex->real_format);
1574
1575	z_offs = r600_resource_va(rctx->context.screen, surf->base.texture);
1576	z_offs += rtex->surface.level[level].offset;
1577
1578	s_offs = r600_resource_va(rctx->context.screen, surf->base.texture);
1579	s_offs += rtex->surface.stencil_offset;
1580	z_offs += rtex->surface.level[level].offset / 4;
1581
1582	z_offs >>= 8;
1583	s_offs >>= 8;
1584
1585	pitch = (rtex->surface.level[level].nblk_x / 8) - 1;
1586	slice = (rtex->surface.level[level].nblk_x * rtex->surface.level[level].nblk_y) / 64;
1587	if (slice) {
1588		slice = slice - 1;
1589	}
1590
1591	z_info = S_028040_FORMAT(format);
1592	s_info = S_028044_FORMAT(1);
1593
1594	if (rtex->surface.level[level].mode == RADEON_SURF_MODE_1D) {
1595		z_info |= S_028040_TILE_MODE_INDEX(4);
1596		s_info |= S_028044_TILE_MODE_INDEX(4);
1597
1598	} else if (rtex->surface.level[level].mode == RADEON_SURF_MODE_2D) {
1599		switch (format) {
1600		case V_028040_Z_16:
1601			z_info |= S_028040_TILE_MODE_INDEX(5);
1602			s_info |= S_028044_TILE_MODE_INDEX(5);
1603			break;
1604		case V_028040_Z_24:
1605		case V_028040_Z_32_FLOAT:
1606			z_info |= S_028040_TILE_MODE_INDEX(6);
1607			s_info |= S_028044_TILE_MODE_INDEX(6);
1608			break;
1609		default:
1610			z_info |= S_028040_TILE_MODE_INDEX(7);
1611			s_info |= S_028044_TILE_MODE_INDEX(7);
1612		}
1613
1614	} else {
1615		R600_ERR("Invalid DB tiling mode %d!\n",
1616			 rtex->surface.level[level].mode);
1617		si_pm4_set_reg(pm4, R_028040_DB_Z_INFO, 0);
1618		si_pm4_set_reg(pm4, R_028044_DB_STENCIL_INFO, 0);
1619		return;
1620	}
1621
1622	si_pm4_set_reg(pm4, R_028008_DB_DEPTH_VIEW,
1623		       S_028008_SLICE_START(state->zsbuf->u.tex.first_layer) |
1624		       S_028008_SLICE_MAX(state->zsbuf->u.tex.last_layer));
1625
1626	si_pm4_set_reg(pm4, R_02803C_DB_DEPTH_INFO, 0x1);
1627	if (format != ~0U) {
1628		si_pm4_set_reg(pm4, R_028040_DB_Z_INFO, z_info);
1629
1630	} else {
1631		si_pm4_set_reg(pm4, R_028040_DB_Z_INFO, 0);
1632	}
1633
1634	if (rtex->surface.flags & RADEON_SURF_SBUFFER) {
1635		si_pm4_set_reg(pm4, R_028044_DB_STENCIL_INFO, s_info);
1636	} else {
1637		si_pm4_set_reg(pm4, R_028044_DB_STENCIL_INFO, 0);
1638	}
1639
1640	si_pm4_add_bo(pm4, &rtex->resource, RADEON_USAGE_READWRITE);
1641	si_pm4_set_reg(pm4, R_028048_DB_Z_READ_BASE, z_offs);
1642	si_pm4_set_reg(pm4, R_02804C_DB_STENCIL_READ_BASE, s_offs);
1643	si_pm4_set_reg(pm4, R_028050_DB_Z_WRITE_BASE, z_offs);
1644	si_pm4_set_reg(pm4, R_028054_DB_STENCIL_WRITE_BASE, s_offs);
1645
1646	si_pm4_set_reg(pm4, R_028058_DB_DEPTH_SIZE, S_028058_PITCH_TILE_MAX(pitch));
1647	si_pm4_set_reg(pm4, R_02805C_DB_DEPTH_SLICE, S_02805C_SLICE_TILE_MAX(slice));
1648}
1649
1650static void si_set_framebuffer_state(struct pipe_context *ctx,
1651				     const struct pipe_framebuffer_state *state)
1652{
1653	struct r600_context *rctx = (struct r600_context *)ctx;
1654	struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state);
1655	uint32_t shader_mask, tl, br;
1656	int tl_x, tl_y, br_x, br_y;
1657
1658	if (pm4 == NULL)
1659		return;
1660
1661	si_pm4_inval_fb_cache(pm4, state->nr_cbufs);
1662
1663	if (state->zsbuf)
1664		si_pm4_inval_zsbuf_cache(pm4);
1665
1666	util_copy_framebuffer_state(&rctx->framebuffer, state);
1667
1668	/* build states */
1669	rctx->have_depth_fb = 0;
1670	for (int i = 0; i < state->nr_cbufs; i++) {
1671		si_cb(rctx, pm4, state, i);
1672	}
1673	si_db(rctx, pm4, state);
1674
1675	shader_mask = 0;
1676	for (int i = 0; i < state->nr_cbufs; i++) {
1677		shader_mask |= 0xf << (i * 4);
1678	}
1679	tl_x = 0;
1680	tl_y = 0;
1681	br_x = state->width;
1682	br_y = state->height;
1683#if 0 /* These shouldn't be necessary on SI, see PA_SC_ENHANCE register */
1684	/* EG hw workaround */
1685	if (br_x == 0)
1686		tl_x = 1;
1687	if (br_y == 0)
1688		tl_y = 1;
1689	/* cayman hw workaround */
1690	if (rctx->chip_class == CAYMAN) {
1691		if (br_x == 1 && br_y == 1)
1692			br_x = 2;
1693	}
1694#endif
1695	tl = S_028240_TL_X(tl_x) | S_028240_TL_Y(tl_y);
1696	br = S_028244_BR_X(br_x) | S_028244_BR_Y(br_y);
1697
1698	si_pm4_set_reg(pm4, R_028240_PA_SC_GENERIC_SCISSOR_TL, tl);
1699	si_pm4_set_reg(pm4, R_028244_PA_SC_GENERIC_SCISSOR_BR, br);
1700	si_pm4_set_reg(pm4, R_028250_PA_SC_VPORT_SCISSOR_0_TL, tl);
1701	si_pm4_set_reg(pm4, R_028254_PA_SC_VPORT_SCISSOR_0_BR, br);
1702	si_pm4_set_reg(pm4, R_028030_PA_SC_SCREEN_SCISSOR_TL, tl);
1703	si_pm4_set_reg(pm4, R_028034_PA_SC_SCREEN_SCISSOR_BR, br);
1704	si_pm4_set_reg(pm4, R_028204_PA_SC_WINDOW_SCISSOR_TL, tl);
1705	si_pm4_set_reg(pm4, R_028208_PA_SC_WINDOW_SCISSOR_BR, br);
1706	si_pm4_set_reg(pm4, R_028200_PA_SC_WINDOW_OFFSET, 0x00000000);
1707	si_pm4_set_reg(pm4, R_028230_PA_SC_EDGERULE, 0xAAAAAAAA);
1708	si_pm4_set_reg(pm4, R_02823C_CB_SHADER_MASK, shader_mask);
1709	si_pm4_set_reg(pm4, R_028BE0_PA_SC_AA_CONFIG, 0x00000000);
1710
1711	si_pm4_set_state(rctx, framebuffer, pm4);
1712	si_update_fb_rs_state(rctx);
1713	si_update_fb_blend_state(rctx);
1714}
1715
1716/*
1717 * shaders
1718 */
1719
1720static void *si_create_shader_state(struct pipe_context *ctx,
1721                             const struct pipe_shader_state *state)
1722{
1723	struct si_pipe_shader *shader = CALLOC_STRUCT(si_pipe_shader);
1724
1725	shader->tokens = tgsi_dup_tokens(state->tokens);
1726	shader->so = state->stream_output;
1727
1728	return shader;
1729}
1730
1731static void si_bind_vs_shader(struct pipe_context *ctx, void *state)
1732{
1733	struct r600_context *rctx = (struct r600_context *)ctx;
1734	struct si_pipe_shader *shader = state;
1735
1736	if (rctx->vs_shader == state)
1737		return;
1738
1739	rctx->shader_dirty = true;
1740	rctx->vs_shader = shader;
1741
1742	if (shader) {
1743		si_pm4_bind_state(rctx, vs, shader->pm4);
1744	}
1745}
1746
1747static void si_bind_ps_shader(struct pipe_context *ctx, void *state)
1748{
1749	struct r600_context *rctx = (struct r600_context *)ctx;
1750	struct si_pipe_shader *shader = state;
1751
1752	if (rctx->ps_shader == state)
1753		return;
1754
1755	rctx->shader_dirty = true;
1756	rctx->ps_shader = shader;
1757
1758	if (shader) {
1759		si_pm4_bind_state(rctx, ps, shader->pm4);
1760	}
1761}
1762
1763static void si_delete_vs_shader(struct pipe_context *ctx, void *state)
1764{
1765	struct r600_context *rctx = (struct r600_context *)ctx;
1766	struct si_pipe_shader *shader = (struct si_pipe_shader *)state;
1767
1768	if (rctx->vs_shader == shader) {
1769		rctx->vs_shader = NULL;
1770	}
1771
1772	si_pm4_delete_state(rctx, vs, shader->pm4);
1773	free(shader->tokens);
1774	si_pipe_shader_destroy(ctx, shader);
1775	free(shader);
1776}
1777
1778static void si_delete_ps_shader(struct pipe_context *ctx, void *state)
1779{
1780	struct r600_context *rctx = (struct r600_context *)ctx;
1781	struct si_pipe_shader *shader = (struct si_pipe_shader *)state;
1782
1783	if (rctx->ps_shader == shader) {
1784		rctx->ps_shader = NULL;
1785	}
1786
1787	si_pm4_delete_state(rctx, ps, shader->pm4);
1788	free(shader->tokens);
1789	si_pipe_shader_destroy(ctx, shader);
1790	free(shader);
1791}
1792
1793/*
1794 * Samplers
1795 */
1796
1797static struct pipe_sampler_view *si_create_sampler_view(struct pipe_context *ctx,
1798							struct pipe_resource *texture,
1799							const struct pipe_sampler_view *state)
1800{
1801	struct si_pipe_sampler_view *view = CALLOC_STRUCT(si_pipe_sampler_view);
1802	struct r600_resource_texture *tmp = (struct r600_resource_texture*)texture;
1803	const struct util_format_description *desc = util_format_description(state->format);
1804	unsigned blocksize = util_format_get_blocksize(tmp->real_format);
1805	unsigned format, num_format, /*endian,*/ tiling_index;
1806	uint32_t pitch = 0;
1807	unsigned char state_swizzle[4], swizzle[4];
1808	unsigned height, depth, width, offset_level, last_level;
1809	int first_non_void;
1810	uint64_t va;
1811
1812	if (view == NULL)
1813		return NULL;
1814
1815	/* initialize base object */
1816	view->base = *state;
1817	view->base.texture = NULL;
1818	pipe_reference(NULL, &texture->reference);
1819	view->base.texture = texture;
1820	view->base.reference.count = 1;
1821	view->base.context = ctx;
1822
1823	state_swizzle[0] = state->swizzle_r;
1824	state_swizzle[1] = state->swizzle_g;
1825	state_swizzle[2] = state->swizzle_b;
1826	state_swizzle[3] = state->swizzle_a;
1827	util_format_compose_swizzles(desc->swizzle, state_swizzle, swizzle);
1828
1829	first_non_void = util_format_get_first_non_void_channel(state->format);
1830	switch (desc->channel[first_non_void].type) {
1831	case UTIL_FORMAT_TYPE_FLOAT:
1832		num_format = V_008F14_IMG_NUM_FORMAT_FLOAT;
1833		break;
1834	case UTIL_FORMAT_TYPE_SIGNED:
1835		num_format = V_008F14_IMG_NUM_FORMAT_SNORM;
1836		break;
1837	case UTIL_FORMAT_TYPE_UNSIGNED:
1838	default:
1839		num_format = V_008F14_IMG_NUM_FORMAT_UNORM;
1840	}
1841
1842	format = si_translate_texformat(ctx->screen, state->format, desc, first_non_void);
1843	if (format == ~0) {
1844		format = 0;
1845	}
1846
1847	if (tmp->depth && !tmp->is_flushing_texture) {
1848		r600_texture_depth_flush(ctx, texture, TRUE);
1849		tmp = tmp->flushed_depth_texture;
1850	}
1851
1852	/* not supported any more */
1853	//endian = si_colorformat_endian_swap(format);
1854
1855	offset_level = state->u.tex.first_level;
1856	last_level = state->u.tex.last_level - offset_level;
1857	width = tmp->surface.level[offset_level].npix_x;
1858	height = tmp->surface.level[offset_level].npix_y;
1859	depth = tmp->surface.level[offset_level].npix_z;
1860	pitch = tmp->surface.level[offset_level].nblk_x * util_format_get_blockwidth(state->format);
1861
1862	if (texture->target == PIPE_TEXTURE_1D_ARRAY) {
1863	        height = 1;
1864		depth = texture->array_size;
1865	} else if (texture->target == PIPE_TEXTURE_2D_ARRAY) {
1866		depth = texture->array_size;
1867	}
1868
1869	tiling_index = 8;
1870	switch (tmp->surface.level[state->u.tex.first_level].mode) {
1871	case RADEON_SURF_MODE_LINEAR_ALIGNED:
1872		tiling_index = 8;
1873		break;
1874	case RADEON_SURF_MODE_1D:
1875		tiling_index = 9;
1876		break;
1877	case RADEON_SURF_MODE_2D:
1878		if (tmp->resource.b.b.bind & PIPE_BIND_SCANOUT) {
1879			switch (blocksize) {
1880			case 1:
1881				tiling_index = 10;
1882				break;
1883			case 2:
1884				tiling_index = 11;
1885				break;
1886			case 4:
1887				tiling_index = 12;
1888				break;
1889			}
1890			break;
1891		} else switch (blocksize) {
1892		case 1:
1893			tiling_index = 14;
1894			break;
1895		case 2:
1896			tiling_index = 15;
1897			break;
1898		case 4:
1899			tiling_index = 16;
1900			break;
1901		case 8:
1902			tiling_index = 17;
1903			break;
1904		default:
1905			tiling_index = 13;
1906		}
1907		break;
1908	}
1909
1910	va = r600_resource_va(ctx->screen, texture);
1911	va += tmp->surface.level[offset_level].offset;
1912	view->state[0] = va >> 8;
1913	view->state[1] = (S_008F14_BASE_ADDRESS_HI(va >> 40) |
1914			  S_008F14_DATA_FORMAT(format) |
1915			  S_008F14_NUM_FORMAT(num_format));
1916	view->state[2] = (S_008F18_WIDTH(width - 1) |
1917			  S_008F18_HEIGHT(height - 1));
1918	view->state[3] = (S_008F1C_DST_SEL_X(si_map_swizzle(swizzle[0])) |
1919			  S_008F1C_DST_SEL_Y(si_map_swizzle(swizzle[1])) |
1920			  S_008F1C_DST_SEL_Z(si_map_swizzle(swizzle[2])) |
1921			  S_008F1C_DST_SEL_W(si_map_swizzle(swizzle[3])) |
1922			  S_008F1C_BASE_LEVEL(offset_level) |
1923			  S_008F1C_LAST_LEVEL(last_level) |
1924			  S_008F1C_TILING_INDEX(tiling_index) |
1925			  S_008F1C_TYPE(si_tex_dim(texture->target)));
1926	view->state[4] = (S_008F20_DEPTH(depth - 1) | S_008F20_PITCH(pitch - 1));
1927	view->state[5] = (S_008F24_BASE_ARRAY(state->u.tex.first_layer) |
1928			  S_008F24_LAST_ARRAY(state->u.tex.last_layer));
1929	view->state[6] = 0;
1930	view->state[7] = 0;
1931
1932	return &view->base;
1933}
1934
1935static void si_sampler_view_destroy(struct pipe_context *ctx,
1936				    struct pipe_sampler_view *state)
1937{
1938	struct r600_pipe_sampler_view *resource = (struct r600_pipe_sampler_view *)state;
1939
1940	pipe_resource_reference(&state->texture, NULL);
1941	FREE(resource);
1942}
1943
1944static void *si_create_sampler_state(struct pipe_context *ctx,
1945				     const struct pipe_sampler_state *state)
1946{
1947	struct si_pipe_sampler_state *rstate = CALLOC_STRUCT(si_pipe_sampler_state);
1948	union util_color uc;
1949	unsigned aniso_flag_offset = state->max_anisotropy > 1 ? 2 : 0;
1950	unsigned border_color_type;
1951
1952	if (rstate == NULL) {
1953		return NULL;
1954	}
1955
1956	util_pack_color(state->border_color.f, PIPE_FORMAT_B8G8R8A8_UNORM, &uc);
1957	switch (uc.ui) {
1958	case 0x000000FF:
1959		border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_OPAQUE_BLACK;
1960		break;
1961	case 0x00000000:
1962		border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_TRANS_BLACK;
1963		break;
1964	case 0xFFFFFFFF:
1965		border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_OPAQUE_WHITE;
1966		break;
1967	default: /* Use border color pointer */
1968		border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_REGISTER;
1969	}
1970
1971	rstate->val[0] = (S_008F30_CLAMP_X(si_tex_wrap(state->wrap_s)) |
1972			  S_008F30_CLAMP_Y(si_tex_wrap(state->wrap_t)) |
1973			  S_008F30_CLAMP_Z(si_tex_wrap(state->wrap_r)) |
1974			  (state->max_anisotropy & 0x7) << 9 | /* XXX */
1975			  S_008F30_DEPTH_COMPARE_FUNC(si_tex_compare(state->compare_func)) |
1976			  S_008F30_FORCE_UNNORMALIZED(!state->normalized_coords) |
1977			  aniso_flag_offset << 16 | /* XXX */
1978			  S_008F30_DISABLE_CUBE_WRAP(!state->seamless_cube_map));
1979	rstate->val[1] = (S_008F34_MIN_LOD(S_FIXED(CLAMP(state->min_lod, 0, 15), 8)) |
1980			  S_008F34_MAX_LOD(S_FIXED(CLAMP(state->max_lod, 0, 15), 8)));
1981	rstate->val[2] = (S_008F38_LOD_BIAS(S_FIXED(CLAMP(state->lod_bias, -16, 16), 8)) |
1982			  S_008F38_XY_MAG_FILTER(si_tex_filter(state->mag_img_filter)) |
1983			  S_008F38_XY_MIN_FILTER(si_tex_filter(state->min_img_filter)) |
1984			  S_008F38_MIP_FILTER(si_tex_mipfilter(state->min_mip_filter)));
1985	rstate->val[3] = S_008F3C_BORDER_COLOR_TYPE(border_color_type);
1986
1987#if 0
1988	if (border_color_type == 3) {
1989		si_pm4_set_reg(pm4, R_00A404_TD_PS_SAMPLER0_BORDER_RED, fui(state->border_color.f[0]));
1990		si_pm4_set_reg(pm4, R_00A408_TD_PS_SAMPLER0_BORDER_GREEN, fui(state->border_color.f[1]));
1991		si_pm4_set_reg(pm4, R_00A40C_TD_PS_SAMPLER0_BORDER_BLUE, fui(state->border_color.f[2]));
1992		si_pm4_set_reg(pm4, R_00A410_TD_PS_SAMPLER0_BORDER_ALPHA, fui(state->border_color.f[3]));
1993	}
1994#endif
1995	return rstate;
1996}
1997
1998static void si_set_vs_sampler_view(struct pipe_context *ctx, unsigned count,
1999				   struct pipe_sampler_view **views)
2000{
2001	assert(count == 0);
2002}
2003
2004static void si_set_ps_sampler_view(struct pipe_context *ctx, unsigned count,
2005				   struct pipe_sampler_view **views)
2006{
2007	struct r600_context *rctx = (struct r600_context *)ctx;
2008	struct si_pipe_sampler_view **resource = (struct si_pipe_sampler_view **)views;
2009	struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state);
2010	int i, j;
2011	int has_depth = 0;
2012
2013	if (!count)
2014		goto out;
2015
2016	si_pm4_inval_texture_cache(pm4);
2017
2018	si_pm4_sh_data_begin(pm4);
2019	for (i = 0; i < count; i++) {
2020		pipe_sampler_view_reference(
2021			(struct pipe_sampler_view **)&rctx->ps_samplers.views[i],
2022			views[i]);
2023
2024		if (views[i]) {
2025			struct r600_resource_texture *tex = (void *)resource[i]->base.texture;
2026
2027			si_pm4_add_bo(pm4, &tex->resource, RADEON_USAGE_READ);
2028
2029			for (j = 0; j < Elements(resource[i]->state); ++j) {
2030				si_pm4_sh_data_add(pm4, resource[i]->state[j]);
2031			}
2032		}
2033	}
2034
2035	for (i = count; i < NUM_TEX_UNITS; i++) {
2036		if (rctx->ps_samplers.views[i])
2037			pipe_sampler_view_reference((struct pipe_sampler_view **)&rctx->ps_samplers.views[i], NULL);
2038	}
2039
2040	si_pm4_sh_data_end(pm4, R_00B040_SPI_SHADER_USER_DATA_PS_4);
2041
2042out:
2043	si_pm4_set_state(rctx, ps_sampler_views, pm4);
2044	rctx->have_depth_texture = has_depth;
2045	rctx->ps_samplers.n_views = count;
2046}
2047
2048static void si_bind_vs_sampler(struct pipe_context *ctx, unsigned count, void **states)
2049{
2050	assert(count == 0);
2051}
2052
2053static void si_bind_ps_sampler(struct pipe_context *ctx, unsigned count, void **states)
2054{
2055	struct r600_context *rctx = (struct r600_context *)ctx;
2056	struct si_pipe_sampler_state **rstates = (struct si_pipe_sampler_state **)states;
2057	struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state);
2058	int i, j;
2059
2060	if (!count)
2061		goto out;
2062
2063	si_pm4_inval_texture_cache(pm4);
2064
2065	si_pm4_sh_data_begin(pm4);
2066	for (i = 0; i < count; i++) {
2067		for (j = 0; j < Elements(rstates[i]->val); ++j) {
2068			si_pm4_sh_data_add(pm4, rstates[i]->val[j]);
2069		}
2070	}
2071	si_pm4_sh_data_end(pm4, R_00B038_SPI_SHADER_USER_DATA_PS_2);
2072
2073	memcpy(rctx->ps_samplers.samplers, states, sizeof(void*) * count);
2074
2075out:
2076	si_pm4_set_state(rctx, ps_sampler, pm4);
2077	rctx->ps_samplers.n_samplers = count;
2078}
2079
2080static void si_set_sample_mask(struct pipe_context *pipe, unsigned sample_mask)
2081{
2082}
2083
2084static void si_delete_sampler_state(struct pipe_context *ctx, void *state)
2085{
2086	free(state);
2087}
2088
2089/*
2090 * Constants
2091 */
2092static void si_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
2093			    struct pipe_constant_buffer *cb)
2094{
2095	struct r600_context *rctx = (struct r600_context *)ctx;
2096	struct si_resource *rbuffer = cb ? si_resource(cb->buffer) : NULL;
2097	struct si_pm4_state *pm4;
2098	uint64_t va_offset;
2099	uint32_t offset;
2100
2101	/* Note that the state tracker can unbind constant buffers by
2102	 * passing NULL here.
2103	 */
2104	if (cb == NULL)
2105		return;
2106
2107	pm4 = CALLOC_STRUCT(si_pm4_state);
2108	si_pm4_inval_shader_cache(pm4);
2109
2110	if (cb->user_buffer)
2111		r600_upload_const_buffer(rctx, &rbuffer, cb->user_buffer, cb->buffer_size, &offset);
2112	else
2113		offset = 0;
2114	va_offset = r600_resource_va(ctx->screen, (void*)rbuffer);
2115	va_offset += offset;
2116
2117	si_pm4_add_bo(pm4, rbuffer, RADEON_USAGE_READ);
2118
2119	switch (shader) {
2120	case PIPE_SHADER_VERTEX:
2121		si_pm4_set_reg(pm4, R_00B130_SPI_SHADER_USER_DATA_VS_0, va_offset);
2122		si_pm4_set_reg(pm4, R_00B134_SPI_SHADER_USER_DATA_VS_1, va_offset >> 32);
2123		si_pm4_set_state(rctx, vs_const, pm4);
2124		break;
2125
2126	case PIPE_SHADER_FRAGMENT:
2127		si_pm4_set_reg(pm4, R_00B030_SPI_SHADER_USER_DATA_PS_0, va_offset);
2128		si_pm4_set_reg(pm4, R_00B034_SPI_SHADER_USER_DATA_PS_1, va_offset >> 32);
2129		si_pm4_set_state(rctx, ps_const, pm4);
2130		break;
2131
2132	default:
2133		R600_ERR("unsupported %d\n", shader);
2134	}
2135
2136	if (cb->buffer != &rbuffer->b.b)
2137		si_resource_reference(&rbuffer, NULL);
2138}
2139
2140/*
2141 * Vertex elements & buffers
2142 */
2143
2144static void *si_create_vertex_elements(struct pipe_context *ctx,
2145				       unsigned count,
2146				       const struct pipe_vertex_element *elements)
2147{
2148	struct si_vertex_element *v = CALLOC_STRUCT(si_vertex_element);
2149	int i;
2150
2151	assert(count < PIPE_MAX_ATTRIBS);
2152	if (!v)
2153		return NULL;
2154
2155	v->count = count;
2156	for (i = 0; i < count; ++i) {
2157		const struct util_format_description *desc;
2158		unsigned data_format, num_format;
2159		int first_non_void;
2160
2161		desc = util_format_description(elements[i].src_format);
2162		first_non_void = util_format_get_first_non_void_channel(elements[i].src_format);
2163		data_format = si_translate_vertexformat(ctx->screen, elements[i].src_format,
2164							desc, first_non_void);
2165
2166		switch (desc->channel[first_non_void].type) {
2167		case UTIL_FORMAT_TYPE_FIXED:
2168			num_format = V_008F0C_BUF_NUM_FORMAT_USCALED; /* XXX */
2169			break;
2170		case UTIL_FORMAT_TYPE_SIGNED:
2171			num_format = V_008F0C_BUF_NUM_FORMAT_SNORM;
2172			break;
2173		case UTIL_FORMAT_TYPE_UNSIGNED:
2174			num_format = V_008F0C_BUF_NUM_FORMAT_UNORM;
2175			break;
2176		case UTIL_FORMAT_TYPE_FLOAT:
2177		default:
2178			num_format = V_008F14_IMG_NUM_FORMAT_FLOAT;
2179		}
2180
2181		v->rsrc_word3[i] = S_008F0C_DST_SEL_X(si_map_swizzle(desc->swizzle[0])) |
2182				   S_008F0C_DST_SEL_Y(si_map_swizzle(desc->swizzle[1])) |
2183				   S_008F0C_DST_SEL_Z(si_map_swizzle(desc->swizzle[2])) |
2184				   S_008F0C_DST_SEL_W(si_map_swizzle(desc->swizzle[3])) |
2185				   S_008F0C_NUM_FORMAT(num_format) |
2186				   S_008F0C_DATA_FORMAT(data_format);
2187	}
2188	memcpy(v->elements, elements, sizeof(struct pipe_vertex_element) * count);
2189
2190	return v;
2191}
2192
2193static void si_bind_vertex_elements(struct pipe_context *ctx, void *state)
2194{
2195	struct r600_context *rctx = (struct r600_context *)ctx;
2196	struct si_vertex_element *v = (struct si_vertex_element*)state;
2197
2198	rctx->vertex_elements = v;
2199}
2200
2201static void si_delete_vertex_element(struct pipe_context *ctx, void *state)
2202{
2203	struct r600_context *rctx = (struct r600_context *)ctx;
2204
2205	if (rctx->vertex_elements == state)
2206		rctx->vertex_elements = NULL;
2207	FREE(state);
2208}
2209
2210static void si_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
2211				  const struct pipe_vertex_buffer *buffers)
2212{
2213	struct r600_context *rctx = (struct r600_context *)ctx;
2214
2215	util_copy_vertex_buffers(rctx->vertex_buffer, &rctx->nr_vertex_buffers, buffers, count);
2216}
2217
2218static void si_set_index_buffer(struct pipe_context *ctx,
2219				const struct pipe_index_buffer *ib)
2220{
2221	struct r600_context *rctx = (struct r600_context *)ctx;
2222
2223	if (ib) {
2224		pipe_resource_reference(&rctx->index_buffer.buffer, ib->buffer);
2225	        memcpy(&rctx->index_buffer, ib, sizeof(*ib));
2226	} else {
2227		pipe_resource_reference(&rctx->index_buffer.buffer, NULL);
2228	}
2229}
2230
2231/*
2232 * Misc
2233 */
2234static void si_set_polygon_stipple(struct pipe_context *ctx,
2235				   const struct pipe_poly_stipple *state)
2236{
2237}
2238
2239static void si_texture_barrier(struct pipe_context *ctx)
2240{
2241	struct r600_context *rctx = (struct r600_context *)ctx;
2242	struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state);
2243
2244	si_pm4_inval_texture_cache(pm4);
2245	si_pm4_inval_fb_cache(pm4, rctx->framebuffer.nr_cbufs);
2246	si_pm4_set_state(rctx, texture_barrier, pm4);
2247}
2248
2249void si_init_state_functions(struct r600_context *rctx)
2250{
2251	rctx->context.create_blend_state = si_create_blend_state;
2252	rctx->context.bind_blend_state = si_bind_blend_state;
2253	rctx->context.delete_blend_state = si_delete_blend_state;
2254	rctx->context.set_blend_color = si_set_blend_color;
2255
2256	rctx->context.create_rasterizer_state = si_create_rs_state;
2257	rctx->context.bind_rasterizer_state = si_bind_rs_state;
2258	rctx->context.delete_rasterizer_state = si_delete_rs_state;
2259
2260	rctx->context.create_depth_stencil_alpha_state = si_create_dsa_state;
2261	rctx->context.bind_depth_stencil_alpha_state = si_bind_dsa_state;
2262	rctx->context.delete_depth_stencil_alpha_state = si_delete_dsa_state;
2263	rctx->custom_dsa_flush = si_create_db_flush_dsa(rctx);
2264
2265	rctx->context.set_clip_state = si_set_clip_state;
2266	rctx->context.set_scissor_state = si_set_scissor_state;
2267	rctx->context.set_viewport_state = si_set_viewport_state;
2268	rctx->context.set_stencil_ref = si_set_pipe_stencil_ref;
2269
2270	rctx->context.set_framebuffer_state = si_set_framebuffer_state;
2271
2272	rctx->context.create_vs_state = si_create_shader_state;
2273	rctx->context.create_fs_state = si_create_shader_state;
2274	rctx->context.bind_vs_state = si_bind_vs_shader;
2275	rctx->context.bind_fs_state = si_bind_ps_shader;
2276	rctx->context.delete_vs_state = si_delete_vs_shader;
2277	rctx->context.delete_fs_state = si_delete_ps_shader;
2278
2279	rctx->context.create_sampler_state = si_create_sampler_state;
2280	rctx->context.bind_vertex_sampler_states = si_bind_vs_sampler;
2281	rctx->context.bind_fragment_sampler_states = si_bind_ps_sampler;
2282	rctx->context.delete_sampler_state = si_delete_sampler_state;
2283
2284	rctx->context.create_sampler_view = si_create_sampler_view;
2285	rctx->context.set_vertex_sampler_views = si_set_vs_sampler_view;
2286	rctx->context.set_fragment_sampler_views = si_set_ps_sampler_view;
2287	rctx->context.sampler_view_destroy = si_sampler_view_destroy;
2288
2289	rctx->context.set_sample_mask = si_set_sample_mask;
2290
2291	rctx->context.set_constant_buffer = si_set_constant_buffer;
2292
2293	rctx->context.create_vertex_elements_state = si_create_vertex_elements;
2294	rctx->context.bind_vertex_elements_state = si_bind_vertex_elements;
2295	rctx->context.delete_vertex_elements_state = si_delete_vertex_element;
2296	rctx->context.set_vertex_buffers = si_set_vertex_buffers;
2297	rctx->context.set_index_buffer = si_set_index_buffer;
2298
2299	rctx->context.create_stream_output_target = si_create_so_target;
2300	rctx->context.stream_output_target_destroy = si_so_target_destroy;
2301	rctx->context.set_stream_output_targets = si_set_so_targets;
2302
2303	rctx->context.texture_barrier = si_texture_barrier;
2304	rctx->context.set_polygon_stipple = si_set_polygon_stipple;
2305
2306	rctx->context.draw_vbo = si_draw_vbo;
2307}
2308
2309void si_init_config(struct r600_context *rctx)
2310{
2311	struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state);
2312
2313	si_pm4_cmd_begin(pm4, PKT3_CONTEXT_CONTROL);
2314	si_pm4_cmd_add(pm4, 0x80000000);
2315	si_pm4_cmd_add(pm4, 0x80000000);
2316	si_pm4_cmd_end(pm4, false);
2317
2318	si_pm4_set_reg(pm4, R_028A4C_PA_SC_MODE_CNTL_1, 0x0);
2319
2320	si_pm4_set_reg(pm4, R_028A10_VGT_OUTPUT_PATH_CNTL, 0x0);
2321	si_pm4_set_reg(pm4, R_028A14_VGT_HOS_CNTL, 0x0);
2322	si_pm4_set_reg(pm4, R_028A18_VGT_HOS_MAX_TESS_LEVEL, 0x0);
2323	si_pm4_set_reg(pm4, R_028A1C_VGT_HOS_MIN_TESS_LEVEL, 0x0);
2324	si_pm4_set_reg(pm4, R_028A20_VGT_HOS_REUSE_DEPTH, 0x0);
2325	si_pm4_set_reg(pm4, R_028A24_VGT_GROUP_PRIM_TYPE, 0x0);
2326	si_pm4_set_reg(pm4, R_028A28_VGT_GROUP_FIRST_DECR, 0x0);
2327	si_pm4_set_reg(pm4, R_028A2C_VGT_GROUP_DECR, 0x0);
2328	si_pm4_set_reg(pm4, R_028A30_VGT_GROUP_VECT_0_CNTL, 0x0);
2329	si_pm4_set_reg(pm4, R_028A34_VGT_GROUP_VECT_1_CNTL, 0x0);
2330	si_pm4_set_reg(pm4, R_028A38_VGT_GROUP_VECT_0_FMT_CNTL, 0x0);
2331	si_pm4_set_reg(pm4, R_028A3C_VGT_GROUP_VECT_1_FMT_CNTL, 0x0);
2332	si_pm4_set_reg(pm4, R_028A40_VGT_GS_MODE, 0x0);
2333	si_pm4_set_reg(pm4, R_028A84_VGT_PRIMITIVEID_EN, 0x0);
2334	si_pm4_set_reg(pm4, R_028A8C_VGT_PRIMITIVEID_RESET, 0x0);
2335	si_pm4_set_reg(pm4, R_028B94_VGT_STRMOUT_CONFIG, 0x0);
2336	si_pm4_set_reg(pm4, R_028B98_VGT_STRMOUT_BUFFER_CONFIG, 0x0);
2337	si_pm4_set_reg(pm4, R_028AA8_IA_MULTI_VGT_PARAM,
2338		       S_028AA8_SWITCH_ON_EOP(1) |
2339		       S_028AA8_PARTIAL_VS_WAVE_ON(1) |
2340		       S_028AA8_PRIMGROUP_SIZE(63));
2341	si_pm4_set_reg(pm4, R_028AB4_VGT_REUSE_OFF, 0x00000000);
2342	si_pm4_set_reg(pm4, R_028AB8_VGT_VTX_CNT_EN, 0x0);
2343	si_pm4_set_reg(pm4, R_008A14_PA_CL_ENHANCE, (3 << 1) | 1);
2344
2345	si_pm4_set_reg(pm4, R_028B54_VGT_SHADER_STAGES_EN, 0);
2346	si_pm4_set_reg(pm4, R_028BD4_PA_SC_CENTROID_PRIORITY_0, 0x76543210);
2347	si_pm4_set_reg(pm4, R_028BD8_PA_SC_CENTROID_PRIORITY_1, 0xfedcba98);
2348
2349	si_pm4_set_reg(pm4, R_028804_DB_EQAA, 0x110000);
2350
2351	si_pm4_set_state(rctx, init, pm4);
2352}
2353