1
/**************************************************************************
3
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
6
* Permission is hereby granted, free of charge, to any person obtaining a
7
* copy of this software and associated documentation files (the
8
* "Software"), to deal in the Software without restriction, including
9
* without limitation the rights to use, copy, modify, merge, publish,
10
* distribute, sub license, and/or sell copies of the Software, and to
11
* permit persons to whom the Software is furnished to do so, subject to
12
* the following conditions:
14
* The above copyright notice and this permission notice (including the
15
* next paragraph) shall be included in all copies or substantial portions
18
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26
**************************************************************************/
29
#include "util/u_memory.h"
30
#include "util/u_math.h"
31
#include "util/u_cpu_detect.h"
32
#include "util/u_format.h"
33
#include "util/u_string.h"
34
#include "util/u_format_s3tc.h"
35
#include "pipe/p_defines.h"
36
#include "pipe/p_screen.h"
37
#include "draw/draw_context.h"
39
#include "lp_texture.h"
42
#include "lp_screen.h"
43
#include "lp_context.h"
45
#include "lp_public.h"
46
#include "lp_limits.h"
49
#include "state_tracker/sw_winsys.h"
54
static const struct debug_named_value lp_debug_flags[] = {
55
{ "pipe", DEBUG_PIPE, NULL },
56
{ "tgsi", DEBUG_TGSI, NULL },
57
{ "tex", DEBUG_TEX, NULL },
58
{ "setup", DEBUG_SETUP, NULL },
59
{ "rast", DEBUG_RAST, NULL },
60
{ "query", DEBUG_QUERY, NULL },
61
{ "screen", DEBUG_SCREEN, NULL },
62
{ "show_tiles", DEBUG_SHOW_TILES, NULL },
63
{ "show_subtiles", DEBUG_SHOW_SUBTILES, NULL },
64
{ "counters", DEBUG_COUNTERS, NULL },
65
{ "scene", DEBUG_SCENE, NULL },
66
{ "fence", DEBUG_FENCE, NULL },
67
{ "mem", DEBUG_MEM, NULL },
68
{ "fs", DEBUG_FS, NULL },
74
static const struct debug_named_value lp_perf_flags[] = {
75
{ "texmem", PERF_TEX_MEM, NULL },
76
{ "no_mipmap", PERF_NO_MIPMAPS, NULL },
77
{ "no_linear", PERF_NO_LINEAR, NULL },
78
{ "no_mip_linear", PERF_NO_MIP_LINEAR, NULL },
79
{ "no_tex", PERF_NO_TEX, NULL },
80
{ "no_blend", PERF_NO_BLEND, NULL },
81
{ "no_depth", PERF_NO_DEPTH, NULL },
82
{ "no_alphatest", PERF_NO_ALPHATEST, NULL },
88
llvmpipe_get_vendor(struct pipe_screen *screen)
90
return "VMware, Inc.";
95
llvmpipe_get_name(struct pipe_screen *screen)
98
util_snprintf(buf, sizeof(buf), "llvmpipe (LLVM 0x%x)", HAVE_LLVM);
104
llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
107
case PIPE_CAP_MAX_COMBINED_SAMPLERS:
108
return 2 * PIPE_MAX_SAMPLERS; /* VS + FS samplers */
109
case PIPE_CAP_NPOT_TEXTURES:
111
case PIPE_CAP_TWO_SIDED_STENCIL:
115
case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
117
case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
119
case PIPE_CAP_ANISOTROPIC_FILTER:
121
case PIPE_CAP_POINT_SPRITE:
123
case PIPE_CAP_MAX_RENDER_TARGETS:
124
return PIPE_MAX_COLOR_BUFS;
125
case PIPE_CAP_OCCLUSION_QUERY:
127
case PIPE_CAP_TIMER_QUERY:
129
case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
131
case PIPE_CAP_TEXTURE_SHADOW_MAP:
133
case PIPE_CAP_TEXTURE_SWIZZLE:
135
case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
136
return LP_MAX_TEXTURE_2D_LEVELS;
137
case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
138
return LP_MAX_TEXTURE_3D_LEVELS;
139
case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
140
return LP_MAX_TEXTURE_2D_LEVELS;
141
case PIPE_CAP_BLEND_EQUATION_SEPARATE:
143
case PIPE_CAP_INDEP_BLEND_ENABLE:
145
case PIPE_CAP_INDEP_BLEND_FUNC:
147
case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
148
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
150
case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
151
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
153
case PIPE_CAP_PRIMITIVE_RESTART:
155
case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
157
case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
159
case PIPE_CAP_DEPTH_CLIP_DISABLE:
161
case PIPE_CAP_SHADER_STENCIL_EXPORT:
163
case PIPE_CAP_TGSI_INSTANCEID:
164
case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
166
case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
168
case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
170
case PIPE_CAP_SEAMLESS_CUBE_MAP:
171
case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
173
case PIPE_CAP_SCALED_RESOLVE:
175
case PIPE_CAP_MIN_TEXEL_OFFSET:
176
case PIPE_CAP_MAX_TEXEL_OFFSET:
178
case PIPE_CAP_CONDITIONAL_RENDER:
180
case PIPE_CAP_TEXTURE_BARRIER:
182
case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
183
case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
184
case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
186
case PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS:
187
case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
189
case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
190
case PIPE_CAP_VERTEX_COLOR_CLAMPED:
192
case PIPE_CAP_GLSL_FEATURE_LEVEL:
194
case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
196
case PIPE_CAP_COMPUTE:
198
case PIPE_CAP_USER_VERTEX_BUFFERS:
199
case PIPE_CAP_USER_INDEX_BUFFERS:
200
case PIPE_CAP_USER_CONSTANT_BUFFERS:
202
case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
203
case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
204
case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
207
case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
209
case PIPE_CAP_START_INSTANCE:
210
case PIPE_CAP_QUERY_TIMESTAMP:
213
/* should only get here on unhandled cases */
214
debug_printf("Unexpected PIPE_CAP %d query\n", param);
219
llvmpipe_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap param)
223
case PIPE_SHADER_FRAGMENT:
226
return gallivm_get_shader_param(param);
228
case PIPE_SHADER_VERTEX:
229
case PIPE_SHADER_GEOMETRY:
231
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
232
/* At this time, the draw module and llvmpipe driver only
233
* support vertex shader texture lookups when LLVM is enabled in
236
if (debug_get_bool_option("DRAW_USE_LLVM", TRUE))
237
return PIPE_MAX_SAMPLERS;
241
return draw_get_shader_param(shader, param);
249
llvmpipe_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
252
case PIPE_CAPF_MAX_LINE_WIDTH:
254
case PIPE_CAPF_MAX_LINE_WIDTH_AA:
255
return 255.0; /* arbitrary */
256
case PIPE_CAPF_MAX_POINT_WIDTH:
258
case PIPE_CAPF_MAX_POINT_WIDTH_AA:
259
return 255.0; /* arbitrary */
260
case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
261
return 16.0; /* not actually signficant at this time */
262
case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
263
return 16.0; /* arbitrary */
264
case PIPE_CAPF_GUARD_BAND_LEFT:
265
case PIPE_CAPF_GUARD_BAND_TOP:
266
case PIPE_CAPF_GUARD_BAND_RIGHT:
267
case PIPE_CAPF_GUARD_BAND_BOTTOM:
270
/* should only get here on unhandled cases */
271
debug_printf("Unexpected PIPE_CAP %d query\n", param);
277
* Query format support for creating a texture, drawing surface, etc.
278
* \param format the format to test
279
* \param type one of PIPE_TEXTURE, PIPE_SURFACE
282
llvmpipe_is_format_supported( struct pipe_screen *_screen,
283
enum pipe_format format,
284
enum pipe_texture_target target,
285
unsigned sample_count,
288
struct llvmpipe_screen *screen = llvmpipe_screen(_screen);
289
struct sw_winsys *winsys = screen->winsys;
290
const struct util_format_description *format_desc;
292
format_desc = util_format_description(format);
296
assert(target == PIPE_BUFFER ||
297
target == PIPE_TEXTURE_1D ||
298
target == PIPE_TEXTURE_2D ||
299
target == PIPE_TEXTURE_RECT ||
300
target == PIPE_TEXTURE_3D ||
301
target == PIPE_TEXTURE_CUBE);
303
if (sample_count > 1)
306
if (format_desc->format == PIPE_FORMAT_R11G11B10_FLOAT ||
307
format_desc->format == PIPE_FORMAT_R9G9B9E5_FLOAT)
310
if (bind & PIPE_BIND_RENDER_TARGET) {
311
if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS ||
312
format_desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB)
315
if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
318
if (format_desc->block.width != 1 ||
319
format_desc->block.height != 1)
323
if (bind & PIPE_BIND_DISPLAY_TARGET) {
324
if(!winsys->is_displaytarget_format_supported(winsys, bind, format))
328
if (bind & PIPE_BIND_DEPTH_STENCIL) {
329
if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
332
if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
335
/* FIXME: Temporary restriction. See lp_state_fs.c. */
336
if (format_desc->block.bits != 32)
340
if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
341
return util_format_s3tc_enabled;
345
* Everything can be supported by u_format.
348
if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS &&
349
!format_desc->fetch_rgba_float) {
360
llvmpipe_flush_frontbuffer(struct pipe_screen *_screen,
361
struct pipe_resource *resource,
362
unsigned level, unsigned layer,
363
void *context_private)
365
struct llvmpipe_screen *screen = llvmpipe_screen(_screen);
366
struct sw_winsys *winsys = screen->winsys;
367
struct llvmpipe_resource *texture = llvmpipe_resource(resource);
371
winsys->displaytarget_display(winsys, texture->dt, context_private);
376
llvmpipe_destroy_screen( struct pipe_screen *_screen )
378
struct llvmpipe_screen *screen = llvmpipe_screen(_screen);
379
struct sw_winsys *winsys = screen->winsys;
382
lp_rast_destroy(screen->rast);
384
lp_jit_screen_cleanup(screen);
387
winsys->destroy(winsys);
389
pipe_mutex_destroy(screen->rast_mutex);
398
* Fence reference counting.
401
llvmpipe_fence_reference(struct pipe_screen *screen,
402
struct pipe_fence_handle **ptr,
403
struct pipe_fence_handle *fence)
405
struct lp_fence **old = (struct lp_fence **) ptr;
406
struct lp_fence *f = (struct lp_fence *) fence;
408
lp_fence_reference(old, f);
413
* Has the fence been executed/finished?
416
llvmpipe_fence_signalled(struct pipe_screen *screen,
417
struct pipe_fence_handle *fence)
419
struct lp_fence *f = (struct lp_fence *) fence;
420
return lp_fence_signalled(f);
425
* Wait for the fence to finish.
428
llvmpipe_fence_finish(struct pipe_screen *screen,
429
struct pipe_fence_handle *fence_handle,
432
struct lp_fence *f = (struct lp_fence *) fence_handle;
441
* Create a new pipe_screen object
442
* Note: we're not presently subclassing pipe_screen (no llvmpipe_screen).
445
llvmpipe_create_screen(struct sw_winsys *winsys)
447
struct llvmpipe_screen *screen;
450
/* require SSE2 due to LLVM PR6960. */
452
if (!util_cpu_caps.has_sse2)
457
LP_DEBUG = debug_get_flags_option("LP_DEBUG", lp_debug_flags, 0 );
460
LP_PERF = debug_get_flags_option("LP_PERF", lp_perf_flags, 0 );
462
screen = CALLOC_STRUCT(llvmpipe_screen);
466
screen->winsys = winsys;
468
screen->base.destroy = llvmpipe_destroy_screen;
470
screen->base.get_name = llvmpipe_get_name;
471
screen->base.get_vendor = llvmpipe_get_vendor;
472
screen->base.get_param = llvmpipe_get_param;
473
screen->base.get_shader_param = llvmpipe_get_shader_param;
474
screen->base.get_paramf = llvmpipe_get_paramf;
475
screen->base.is_format_supported = llvmpipe_is_format_supported;
477
screen->base.context_create = llvmpipe_create_context;
478
screen->base.flush_frontbuffer = llvmpipe_flush_frontbuffer;
479
screen->base.fence_reference = llvmpipe_fence_reference;
480
screen->base.fence_signalled = llvmpipe_fence_signalled;
481
screen->base.fence_finish = llvmpipe_fence_finish;
483
llvmpipe_init_screen_resource_funcs(&screen->base);
485
lp_jit_screen_init(screen);
487
screen->num_threads = util_cpu_caps.nr_cpus > 1 ? util_cpu_caps.nr_cpus : 0;
488
#ifdef PIPE_SUBSYSTEM_EMBEDDED
489
screen->num_threads = 0;
491
screen->num_threads = debug_get_num_option("LP_NUM_THREADS", screen->num_threads);
492
screen->num_threads = MIN2(screen->num_threads, LP_MAX_THREADS);
494
screen->rast = lp_rast_create(screen->num_threads);
496
lp_jit_screen_cleanup(screen);
500
pipe_mutex_init(screen->rast_mutex);
502
util_format_s3tc_init();
504
return &screen->base;