r600_pipe.c revision d8d5c2660f581821f017fdcb7954c6f7bd099114
1/*
2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
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#include <stdio.h>
24#include <errno.h>
25#include <pipe/p_defines.h>
26#include <pipe/p_state.h>
27#include <pipe/p_context.h>
28#include <tgsi/tgsi_scan.h>
29#include <tgsi/tgsi_parse.h>
30#include <tgsi/tgsi_util.h>
31#include <util/u_blitter.h>
32#include <util/u_double_list.h>
33#include <util/u_transfer.h>
34#include <util/u_surface.h>
35#include <util/u_pack_color.h>
36#include <util/u_memory.h>
37#include <util/u_inlines.h>
38#include "util/u_upload_mgr.h"
39#include <pipebuffer/pb_buffer.h>
40#include "r600.h"
41#include "r600d.h"
42#include "r600_resource.h"
43#include "r600_shader.h"
44#include "r600_pipe.h"
45#include "r600_state_inlines.h"
46
47/*
48 * pipe_context
49 */
50static void r600_flush(struct pipe_context *ctx, unsigned flags,
51			struct pipe_fence_handle **fence)
52{
53	struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
54#if 0
55	static int dc = 0;
56	char dname[256];
57#endif
58
59	if (!rctx->ctx.pm4_cdwords)
60		return;
61
62#if 0
63	sprintf(dname, "gallium-%08d.bof", dc);
64	if (dc < 20) {
65		r600_context_dump_bof(&rctx->ctx, dname);
66		R600_ERR("dumped %s\n", dname);
67	}
68	dc++;
69#endif
70	r600_context_flush(&rctx->ctx);
71
72	/* XXX These shouldn't be really necessary, but removing them breaks some tests.
73	 * Needless buffer reallocations may significantly increase memory consumption,
74	 * so getting rid of these 3 calls is important. */
75	u_vbuf_mgr_flush_uploader(rctx->vbuf_mgr);
76	u_upload_flush(rctx->upload_ib);
77	u_upload_flush(rctx->upload_const);
78}
79
80static void r600_destroy_context(struct pipe_context *context)
81{
82	struct r600_pipe_context *rctx = (struct r600_pipe_context *)context;
83
84	rctx->context.delete_depth_stencil_alpha_state(&rctx->context, rctx->custom_dsa_flush);
85
86	r600_context_fini(&rctx->ctx);
87
88	util_blitter_destroy(rctx->blitter);
89
90	for (int i = 0; i < R600_PIPE_NSTATES; i++) {
91		free(rctx->states[i]);
92	}
93
94	u_upload_destroy(rctx->upload_ib);
95	u_upload_destroy(rctx->upload_const);
96	u_vbuf_mgr_destroy(rctx->vbuf_mgr);
97
98	FREE(rctx);
99}
100
101static struct pipe_context *r600_create_context(struct pipe_screen *screen, void *priv)
102{
103	struct r600_pipe_context *rctx = CALLOC_STRUCT(r600_pipe_context);
104	struct r600_screen* rscreen = (struct r600_screen *)screen;
105	enum chip_class class;
106
107	if (rctx == NULL)
108		return NULL;
109	rctx->context.winsys = rscreen->screen.winsys;
110	rctx->context.screen = screen;
111	rctx->context.priv = priv;
112	rctx->context.destroy = r600_destroy_context;
113	rctx->context.flush = r600_flush;
114
115	/* Easy accessing of screen/winsys. */
116	rctx->screen = rscreen;
117	rctx->radeon = rscreen->radeon;
118	rctx->family = r600_get_family(rctx->radeon);
119
120	r600_init_blit_functions(rctx);
121	r600_init_query_functions(rctx);
122	r600_init_context_resource_functions(rctx);
123	r600_init_surface_functions(rctx);
124	rctx->context.draw_vbo = r600_draw_vbo;
125
126	switch (r600_get_family(rctx->radeon)) {
127	case CHIP_R600:
128	case CHIP_RV610:
129	case CHIP_RV630:
130	case CHIP_RV670:
131	case CHIP_RV620:
132	case CHIP_RV635:
133	case CHIP_RS780:
134	case CHIP_RS880:
135	case CHIP_RV770:
136	case CHIP_RV730:
137	case CHIP_RV710:
138	case CHIP_RV740:
139		r600_init_state_functions(rctx);
140		if (r600_context_init(&rctx->ctx, rctx->radeon)) {
141			r600_destroy_context(&rctx->context);
142			return NULL;
143		}
144		r600_init_config(rctx);
145		break;
146	case CHIP_CEDAR:
147	case CHIP_REDWOOD:
148	case CHIP_JUNIPER:
149	case CHIP_CYPRESS:
150	case CHIP_HEMLOCK:
151	case CHIP_PALM:
152	case CHIP_BARTS:
153	case CHIP_TURKS:
154	case CHIP_CAICOS:
155		evergreen_init_state_functions(rctx);
156		if (evergreen_context_init(&rctx->ctx, rctx->radeon)) {
157			r600_destroy_context(&rctx->context);
158			return NULL;
159		}
160		evergreen_init_config(rctx);
161		break;
162	default:
163		R600_ERR("unsupported family %d\n", r600_get_family(rctx->radeon));
164		r600_destroy_context(&rctx->context);
165		return NULL;
166	}
167
168	rctx->vbuf_mgr = u_vbuf_mgr_create(&rctx->context, 1024 * 1024, 16,
169					   U_VERTEX_FETCH_BYTE_ALIGNED);
170	if (!rctx->vbuf_mgr) {
171		r600_destroy_context(&rctx->context);
172		return NULL;
173	}
174
175	rctx->upload_ib = u_upload_create(&rctx->context, 128 * 1024, 16,
176					  PIPE_BIND_INDEX_BUFFER);
177	if (rctx->upload_ib == NULL) {
178		r600_destroy_context(&rctx->context);
179		return NULL;
180	}
181
182	rctx->upload_const = u_upload_create(&rctx->context, 1024 * 1024, 256,
183					     PIPE_BIND_CONSTANT_BUFFER);
184	if (rctx->upload_const == NULL) {
185		r600_destroy_context(&rctx->context);
186		return NULL;
187	}
188
189	rctx->blitter = util_blitter_create(&rctx->context);
190	if (rctx->blitter == NULL) {
191		FREE(rctx);
192		return NULL;
193	}
194
195	class = r600_get_family_class(rctx->radeon);
196	if (class == R600 || class == R700)
197		rctx->custom_dsa_flush = r600_create_db_flush_dsa(rctx);
198	else
199		rctx->custom_dsa_flush = evergreen_create_db_flush_dsa(rctx);
200
201	return &rctx->context;
202}
203
204/*
205 * pipe_screen
206 */
207static const char* r600_get_vendor(struct pipe_screen* pscreen)
208{
209	return "X.Org";
210}
211
212static const char *r600_get_family_name(enum radeon_family family)
213{
214	switch(family) {
215	case CHIP_R600: return "AMD R600";
216	case CHIP_RV610: return "AMD RV610";
217	case CHIP_RV630: return "AMD RV630";
218	case CHIP_RV670: return "AMD RV670";
219	case CHIP_RV620: return "AMD RV620";
220	case CHIP_RV635: return "AMD RV635";
221	case CHIP_RS780: return "AMD RS780";
222	case CHIP_RS880: return "AMD RS880";
223	case CHIP_RV770: return "AMD RV770";
224	case CHIP_RV730: return "AMD RV730";
225	case CHIP_RV710: return "AMD RV710";
226	case CHIP_RV740: return "AMD RV740";
227	case CHIP_CEDAR: return "AMD CEDAR";
228	case CHIP_REDWOOD: return "AMD REDWOOD";
229	case CHIP_JUNIPER: return "AMD JUNIPER";
230	case CHIP_CYPRESS: return "AMD CYPRESS";
231	case CHIP_HEMLOCK: return "AMD HEMLOCK";
232	case CHIP_PALM: return "AMD PALM";
233	case CHIP_BARTS: return "AMD BARTS";
234	case CHIP_TURKS: return "AMD TURKS";
235	case CHIP_CAICOS: return "AMD CAICOS";
236	default: return "AMD unknown";
237	}
238}
239
240static const char* r600_get_name(struct pipe_screen* pscreen)
241{
242	struct r600_screen *rscreen = (struct r600_screen *)pscreen;
243	enum radeon_family family = r600_get_family(rscreen->radeon);
244
245	return r600_get_family_name(family);
246}
247
248static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
249{
250	struct r600_screen *rscreen = (struct r600_screen *)pscreen;
251	enum radeon_family family = r600_get_family(rscreen->radeon);
252
253	switch (param) {
254	/* Supported features (boolean caps). */
255	case PIPE_CAP_NPOT_TEXTURES:
256	case PIPE_CAP_TWO_SIDED_STENCIL:
257	case PIPE_CAP_GLSL:
258	case PIPE_CAP_DUAL_SOURCE_BLEND:
259	case PIPE_CAP_ANISOTROPIC_FILTER:
260	case PIPE_CAP_POINT_SPRITE:
261	case PIPE_CAP_OCCLUSION_QUERY:
262	case PIPE_CAP_TEXTURE_SHADOW_MAP:
263	case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
264	case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
265	case PIPE_CAP_BLEND_EQUATION_SEPARATE:
266	case PIPE_CAP_SM3:
267	case PIPE_CAP_TEXTURE_SWIZZLE:
268	case PIPE_CAP_INDEP_BLEND_ENABLE:
269	case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
270	case PIPE_CAP_DEPTH_CLAMP:
271	case PIPE_CAP_SHADER_STENCIL_EXPORT:
272		return 1;
273
274	/* Unsupported features (boolean caps). */
275	case PIPE_CAP_STREAM_OUTPUT:
276	case PIPE_CAP_PRIMITIVE_RESTART:
277	case PIPE_CAP_INDEP_BLEND_FUNC: /* FIXME allow this */
278	case PIPE_CAP_INSTANCED_DRAWING:
279	case PIPE_CAP_ARRAY_TEXTURES:
280		return 0;
281
282	/* Texturing. */
283	case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
284	case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
285	case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
286		if (family >= CHIP_CEDAR)
287			return 15;
288		else
289			return 14;
290	case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
291		/* FIXME allow this once infrastructure is there */
292		return 16;
293	case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
294	case PIPE_CAP_MAX_COMBINED_SAMPLERS:
295		return 16;
296
297	/* Render targets. */
298	case PIPE_CAP_MAX_RENDER_TARGETS:
299		/* FIXME some r6xx are buggy and can only do 4 */
300		return 8;
301
302	/* Fragment coordinate conventions. */
303	case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
304	case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
305		return 1;
306	case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
307	case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
308		return 0;
309
310	/* Timer queries, present when the clock frequency is non zero. */
311	case PIPE_CAP_TIMER_QUERY:
312		return r600_get_clock_crystal_freq(rscreen->radeon) != 0;
313
314	default:
315		R600_ERR("r600: unknown param %d\n", param);
316		return 0;
317	}
318}
319
320static float r600_get_paramf(struct pipe_screen* pscreen, enum pipe_cap param)
321{
322	struct r600_screen *rscreen = (struct r600_screen *)pscreen;
323	enum radeon_family family = r600_get_family(rscreen->radeon);
324
325	switch (param) {
326	case PIPE_CAP_MAX_LINE_WIDTH:
327	case PIPE_CAP_MAX_LINE_WIDTH_AA:
328	case PIPE_CAP_MAX_POINT_WIDTH:
329	case PIPE_CAP_MAX_POINT_WIDTH_AA:
330		if (family >= CHIP_CEDAR)
331			return 16384.0f;
332		else
333			return 8192.0f;
334	case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
335		return 16.0f;
336	case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
337		return 16.0f;
338	default:
339		R600_ERR("r600: unsupported paramf %d\n", param);
340		return 0.0f;
341	}
342}
343
344static int r600_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enum pipe_shader_cap param)
345{
346	switch(shader)
347	{
348	case PIPE_SHADER_FRAGMENT:
349	case PIPE_SHADER_VERTEX:
350		break;
351	case PIPE_SHADER_GEOMETRY:
352		/* TODO: support and enable geometry programs */
353		return 0;
354	default:
355		/* TODO: support tessellation on Evergreen */
356		return 0;
357	}
358
359	/* TODO: all these should be fixed, since r600 surely supports much more! */
360	switch (param) {
361	case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
362	case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
363	case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
364	case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
365		return 16384;
366	case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
367		return 8; /* FIXME */
368	case PIPE_SHADER_CAP_MAX_INPUTS:
369		if(shader == PIPE_SHADER_FRAGMENT)
370			return 10;
371		else
372			return 16;
373	case PIPE_SHADER_CAP_MAX_TEMPS:
374		return 256; //max native temporaries
375	case PIPE_SHADER_CAP_MAX_ADDRS:
376		return 1; //max native address registers/* FIXME Isn't this equal to TEMPS? */
377	case PIPE_SHADER_CAP_MAX_CONSTS:
378		return 256; //max native parameters
379	case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
380		return R600_MAX_CONST_BUFFERS;
381	case PIPE_SHADER_CAP_MAX_PREDS:
382		return 0; /* FIXME */
383	case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
384		return 1;
385	case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
386	case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
387	case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
388	case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
389		return 1;
390	case PIPE_SHADER_CAP_SUBROUTINES:
391		return 0;
392	default:
393		return 0;
394	}
395}
396
397static boolean r600_is_format_supported(struct pipe_screen* screen,
398					enum pipe_format format,
399					enum pipe_texture_target target,
400					unsigned sample_count,
401					unsigned usage,
402					unsigned geom_flags)
403{
404	unsigned retval = 0;
405	if (target >= PIPE_MAX_TEXTURE_TYPES) {
406		R600_ERR("r600: unsupported texture type %d\n", target);
407		return FALSE;
408	}
409
410	/* Multisample */
411	if (sample_count > 1)
412		return FALSE;
413
414	if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
415	    r600_is_sampler_format_supported(format)) {
416		retval |= PIPE_BIND_SAMPLER_VIEW;
417	}
418
419	if ((usage & (PIPE_BIND_RENDER_TARGET |
420			PIPE_BIND_DISPLAY_TARGET |
421			PIPE_BIND_SCANOUT |
422			PIPE_BIND_SHARED)) &&
423			r600_is_colorbuffer_format_supported(format)) {
424		retval |= usage &
425			(PIPE_BIND_RENDER_TARGET |
426			 PIPE_BIND_DISPLAY_TARGET |
427			 PIPE_BIND_SCANOUT |
428			 PIPE_BIND_SHARED);
429	}
430
431	if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
432	    r600_is_zs_format_supported(format)) {
433		retval |= PIPE_BIND_DEPTH_STENCIL;
434	}
435
436	if (usage & PIPE_BIND_VERTEX_BUFFER) {
437		struct r600_screen *rscreen = (struct r600_screen *)screen;
438		enum radeon_family family = r600_get_family(rscreen->radeon);
439
440		if (r600_is_vertex_format_supported(format, family)) {
441			retval |= PIPE_BIND_VERTEX_BUFFER;
442		}
443	}
444
445	if (usage & PIPE_BIND_TRANSFER_READ)
446		retval |= PIPE_BIND_TRANSFER_READ;
447	if (usage & PIPE_BIND_TRANSFER_WRITE)
448		retval |= PIPE_BIND_TRANSFER_WRITE;
449
450	return retval == usage;
451}
452
453static void r600_destroy_screen(struct pipe_screen* pscreen)
454{
455	struct r600_screen *rscreen = (struct r600_screen *)pscreen;
456
457	if (rscreen == NULL)
458		return;
459
460	radeon_decref(rscreen->radeon);
461
462	FREE(rscreen);
463}
464
465
466struct pipe_screen *r600_screen_create(struct radeon *radeon)
467{
468	struct r600_screen *rscreen;
469
470	rscreen = CALLOC_STRUCT(r600_screen);
471	if (rscreen == NULL) {
472		return NULL;
473	}
474
475	rscreen->radeon = radeon;
476	rscreen->screen.winsys = (struct pipe_winsys*)radeon;
477	rscreen->screen.destroy = r600_destroy_screen;
478	rscreen->screen.get_name = r600_get_name;
479	rscreen->screen.get_vendor = r600_get_vendor;
480	rscreen->screen.get_param = r600_get_param;
481	rscreen->screen.get_shader_param = r600_get_shader_param;
482	rscreen->screen.get_paramf = r600_get_paramf;
483	rscreen->screen.is_format_supported = r600_is_format_supported;
484	rscreen->screen.context_create = r600_create_context;
485	r600_init_screen_resource_functions(&rscreen->screen);
486
487	rscreen->tiling_info = r600_get_tiling_info(radeon);
488
489	return &rscreen->screen;
490}
491