1 /**********************************************************
2 * Copyright 2008-2009 VMware, Inc. All rights reserved.
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 **********************************************************/
28 #include "pipe/p_defines.h"
29 #include "util/u_inlines.h"
30 #include "pipe/p_screen.h"
31 #include "util/u_memory.h"
32 #include "util/u_bitmask.h"
33 #include "util/u_upload_mgr.h"
35 #include "svga_context.h"
36 #include "svga_screen.h"
37 #include "svga_surface.h"
38 #include "svga_resource_texture.h"
39 #include "svga_resource_buffer.h"
40 #include "svga_resource.h"
41 #include "svga_winsys.h"
42 #include "svga_swtnl.h"
43 #include "svga_draw.h"
44 #include "svga_debug.h"
45 #include "svga_state.h"
46 #include "svga_winsys.h"
48 #define CONST0_UPLOAD_DEFAULT_SIZE 65536
50 DEBUG_GET_ONCE_BOOL_OPTION(no_swtnl
, "SVGA_NO_SWTNL", FALSE
)
51 DEBUG_GET_ONCE_BOOL_OPTION(force_swtnl
, "SVGA_FORCE_SWTNL", FALSE
);
52 DEBUG_GET_ONCE_BOOL_OPTION(use_min_mipmap
, "SVGA_USE_MIN_MIPMAP", FALSE
);
53 DEBUG_GET_ONCE_BOOL_OPTION(no_line_width
, "SVGA_NO_LINE_WIDTH", FALSE
);
54 DEBUG_GET_ONCE_BOOL_OPTION(force_hw_line_stipple
, "SVGA_FORCE_HW_LINE_STIPPLE", FALSE
);
58 svga_destroy(struct pipe_context
*pipe
)
60 struct svga_context
*svga
= svga_context(pipe
);
63 /* free any alternate rasterizer states used for point sprite */
64 for (i
= 0; i
< ARRAY_SIZE(svga
->rasterizer_no_cull
); i
++) {
65 if (svga
->rasterizer_no_cull
[i
]) {
66 pipe
->delete_rasterizer_state(pipe
, svga
->rasterizer_no_cull
[i
]);
70 /* free HW constant buffers */
71 for (shader
= 0; shader
< ARRAY_SIZE(svga
->state
.hw_draw
.constbuf
); shader
++) {
72 pipe_resource_reference(&svga
->state
.hw_draw
.constbuf
[shader
], NULL
);
75 pipe
->delete_blend_state(pipe
, svga
->noop_blend
);
77 /* free query gb object */
79 pipe
->destroy_query(pipe
, NULL
);
80 svga
->gb_query
= NULL
;
83 util_blitter_destroy(svga
->blitter
);
85 svga_cleanup_sampler_state(svga
);
86 svga_cleanup_framebuffer(svga
);
87 svga_cleanup_tss_binding(svga
);
88 svga_cleanup_vertex_state(svga
);
90 svga_destroy_swtnl(svga
);
91 svga_hwtnl_destroy(svga
->hwtnl
);
93 svga
->swc
->destroy(svga
->swc
);
95 util_bitmask_destroy(svga
->blend_object_id_bm
);
96 util_bitmask_destroy(svga
->ds_object_id_bm
);
97 util_bitmask_destroy(svga
->input_element_object_id_bm
);
98 util_bitmask_destroy(svga
->rast_object_id_bm
);
99 util_bitmask_destroy(svga
->sampler_object_id_bm
);
100 util_bitmask_destroy(svga
->sampler_view_id_bm
);
101 util_bitmask_destroy(svga
->shader_id_bm
);
102 util_bitmask_destroy(svga
->surface_view_id_bm
);
103 util_bitmask_destroy(svga
->stream_output_id_bm
);
104 util_bitmask_destroy(svga
->query_id_bm
);
105 u_upload_destroy(svga
->const0_upload
);
106 u_upload_destroy(svga
->pipe
.stream_uploader
);
107 u_upload_destroy(svga
->pipe
.const_uploader
);
108 svga_texture_transfer_map_upload_destroy(svga
);
110 /* free user's constant buffers */
111 for (shader
= 0; shader
< PIPE_SHADER_TYPES
; ++shader
) {
112 for (i
= 0; i
< ARRAY_SIZE(svga
->curr
.constbufs
[shader
]); ++i
) {
113 pipe_resource_reference(&svga
->curr
.constbufs
[shader
][i
].buffer
, NULL
);
121 struct pipe_context
*
122 svga_context_create(struct pipe_screen
*screen
, void *priv
, unsigned flags
)
124 struct svga_screen
*svgascreen
= svga_screen(screen
);
125 struct svga_context
*svga
= NULL
;
128 svga
= CALLOC_STRUCT(svga_context
);
132 LIST_INITHEAD(&svga
->dirty_buffers
);
134 svga
->pipe
.screen
= screen
;
135 svga
->pipe
.priv
= priv
;
136 svga
->pipe
.destroy
= svga_destroy
;
137 svga
->pipe
.stream_uploader
= u_upload_create(&svga
->pipe
, 1024 * 1024,
138 PIPE_BIND_VERTEX_BUFFER
|
139 PIPE_BIND_INDEX_BUFFER
,
141 if (!svga
->pipe
.stream_uploader
)
144 svga
->pipe
.const_uploader
= u_upload_create(&svga
->pipe
, 128 * 1024,
145 PIPE_BIND_CONSTANT_BUFFER
,
147 if (!svga
->pipe
.const_uploader
)
150 svga
->swc
= svgascreen
->sws
->context_create(svgascreen
->sws
);
154 svga_init_resource_functions(svga
);
155 svga_init_blend_functions(svga
);
156 svga_init_blit_functions(svga
);
157 svga_init_depth_stencil_functions(svga
);
158 svga_init_draw_functions(svga
);
159 svga_init_flush_functions(svga
);
160 svga_init_misc_functions(svga
);
161 svga_init_rasterizer_functions(svga
);
162 svga_init_sampler_functions(svga
);
163 svga_init_fs_functions(svga
);
164 svga_init_vs_functions(svga
);
165 svga_init_gs_functions(svga
);
166 svga_init_vertex_functions(svga
);
167 svga_init_constbuffer_functions(svga
);
168 svga_init_query_functions(svga
);
169 svga_init_surface_functions(svga
);
170 svga_init_stream_output_functions(svga
);
171 svga_init_clear_functions(svga
);
173 /* init misc state */
174 svga
->curr
.sample_mask
= ~0;
177 svga
->debug
.no_swtnl
= debug_get_option_no_swtnl();
178 svga
->debug
.force_swtnl
= debug_get_option_force_swtnl();
179 svga
->debug
.use_min_mipmap
= debug_get_option_use_min_mipmap();
180 svga
->debug
.no_line_width
= debug_get_option_no_line_width();
181 svga
->debug
.force_hw_line_stipple
= debug_get_option_force_hw_line_stipple();
183 if (!(svga
->blend_object_id_bm
= util_bitmask_create()))
186 if (!(svga
->ds_object_id_bm
= util_bitmask_create()))
189 if (!(svga
->input_element_object_id_bm
= util_bitmask_create()))
192 if (!(svga
->rast_object_id_bm
= util_bitmask_create()))
195 if (!(svga
->sampler_object_id_bm
= util_bitmask_create()))
198 if (!(svga
->sampler_view_id_bm
= util_bitmask_create()))
201 if (!(svga
->shader_id_bm
= util_bitmask_create()))
204 if (!(svga
->surface_view_id_bm
= util_bitmask_create()))
207 if (!(svga
->stream_output_id_bm
= util_bitmask_create()))
210 if (!(svga
->query_id_bm
= util_bitmask_create()))
213 svga
->hwtnl
= svga_hwtnl_create(svga
);
214 if (svga
->hwtnl
== NULL
)
217 if (!svga_init_swtnl(svga
))
220 ret
= svga_emit_initial_state(svga
);
224 svga
->const0_upload
= u_upload_create(&svga
->pipe
,
225 CONST0_UPLOAD_DEFAULT_SIZE
,
226 PIPE_BIND_CONSTANT_BUFFER
,
228 if (!svga
->const0_upload
)
231 if (!svga_texture_transfer_map_upload_create(svga
))
234 /* Avoid shortcircuiting state with initial value of zero.
236 memset(&svga
->state
.hw_clear
, 0xcd, sizeof(svga
->state
.hw_clear
));
237 memset(&svga
->state
.hw_clear
.framebuffer
, 0x0,
238 sizeof(svga
->state
.hw_clear
.framebuffer
));
240 memset(&svga
->state
.hw_draw
, 0xcd, sizeof(svga
->state
.hw_draw
));
241 memset(&svga
->state
.hw_draw
.views
, 0x0, sizeof(svga
->state
.hw_draw
.views
));
242 memset(&svga
->state
.hw_draw
.num_samplers
, 0,
243 sizeof(svga
->state
.hw_draw
.num_samplers
));
244 memset(&svga
->state
.hw_draw
.num_sampler_views
, 0,
245 sizeof(svga
->state
.hw_draw
.num_sampler_views
));
246 memset(svga
->state
.hw_draw
.sampler_views
, 0,
247 sizeof(svga
->state
.hw_draw
.sampler_views
));
248 svga
->state
.hw_draw
.num_views
= 0;
249 svga
->state
.hw_draw
.num_rendertargets
= 0;
250 svga
->state
.hw_draw
.dsv
= NULL
;
252 /* Initialize the shader pointers */
253 svga
->state
.hw_draw
.vs
= NULL
;
254 svga
->state
.hw_draw
.gs
= NULL
;
255 svga
->state
.hw_draw
.fs
= NULL
;
257 /* Initialize the currently bound buffer resources */
258 memset(svga
->state
.hw_draw
.constbuf
, 0,
259 sizeof(svga
->state
.hw_draw
.constbuf
));
260 memset(svga
->state
.hw_draw
.default_constbuf_size
, 0,
261 sizeof(svga
->state
.hw_draw
.default_constbuf_size
));
262 memset(svga
->state
.hw_draw
.enabled_constbufs
, 0,
263 sizeof(svga
->state
.hw_draw
.enabled_constbufs
));
264 svga
->state
.hw_draw
.ib
= NULL
;
265 svga
->state
.hw_draw
.num_vbuffers
= 0;
266 memset(svga
->state
.hw_draw
.vbuffers
, 0,
267 sizeof(svga
->state
.hw_draw
.vbuffers
));
268 svga
->state
.hw_draw
.const0_buffer
= NULL
;
269 svga
->state
.hw_draw
.const0_handle
= NULL
;
271 /* Create a no-operation blend state which we will bind whenever the
272 * requested blend state is impossible (e.g. due to having an integer
273 * render target attached).
275 * XXX: We will probably actually need 16 of these, one for each possible
276 * RGBA color mask (4 bits). Then, we would bind the one with a color mask
277 * matching the blend state it is replacing.
280 struct pipe_blend_state noop_tmpl
= {0};
283 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; ++i
) {
284 // Set the color mask to all-ones. Later this may change.
285 noop_tmpl
.rt
[i
].colormask
= PIPE_MASK_RGBA
;
287 svga
->noop_blend
= svga
->pipe
.create_blend_state(&svga
->pipe
, &noop_tmpl
);
291 svga
->pred
.query_id
= SVGA3D_INVALID_ID
;
296 svga_destroy_swtnl(svga
);
298 if (svga
->const0_upload
)
299 u_upload_destroy(svga
->const0_upload
);
300 if (svga
->pipe
.const_uploader
)
301 u_upload_destroy(svga
->pipe
.const_uploader
);
302 if (svga
->pipe
.stream_uploader
)
303 u_upload_destroy(svga
->pipe
.stream_uploader
);
304 svga_texture_transfer_map_upload_destroy(svga
);
306 svga_hwtnl_destroy(svga
->hwtnl
);
308 svga
->swc
->destroy(svga
->swc
);
309 util_bitmask_destroy(svga
->blend_object_id_bm
);
310 util_bitmask_destroy(svga
->ds_object_id_bm
);
311 util_bitmask_destroy(svga
->input_element_object_id_bm
);
312 util_bitmask_destroy(svga
->rast_object_id_bm
);
313 util_bitmask_destroy(svga
->sampler_object_id_bm
);
314 util_bitmask_destroy(svga
->sampler_view_id_bm
);
315 util_bitmask_destroy(svga
->shader_id_bm
);
316 util_bitmask_destroy(svga
->surface_view_id_bm
);
317 util_bitmask_destroy(svga
->stream_output_id_bm
);
318 util_bitmask_destroy(svga
->query_id_bm
);
325 svga_context_flush(struct svga_context
*svga
,
326 struct pipe_fence_handle
**pfence
)
328 struct svga_screen
*svgascreen
= svga_screen(svga
->pipe
.screen
);
329 struct pipe_fence_handle
*fence
= NULL
;
332 SVGA_STATS_TIME_PUSH(svga_sws(svga
), SVGA_STATS_TIME_CONTEXTFLUSH
);
334 svga
->curr
.nr_fbs
= 0;
336 /* Unmap the 0th/default constant buffer. The u_upload_unmap() function
337 * will call pipe_context::transfer_flush_region() to indicate the
338 * region of the buffer which was modified (and needs to be uploaded).
340 if (svga
->state
.hw_draw
.const0_handle
) {
341 assert(svga
->state
.hw_draw
.const0_buffer
);
342 u_upload_unmap(svga
->const0_upload
);
343 pipe_resource_reference(&svga
->state
.hw_draw
.const0_buffer
, NULL
);
344 svga
->state
.hw_draw
.const0_handle
= NULL
;
347 /* Ensure that texture dma uploads are processed
348 * before submitting commands.
350 svga_context_flush_buffers(svga
);
352 svga
->hud
.command_buffer_size
+=
353 svga
->swc
->get_command_buffer_size(svga
->swc
);
355 /* Flush pending commands to hardware:
357 t0
= svga_get_time(svga
);
358 svga
->swc
->flush(svga
->swc
, &fence
);
359 svga
->hud
.flush_time
+= (svga_get_time(svga
) - t0
);
361 svga
->hud
.num_flushes
++;
363 svga_screen_cache_flush(svgascreen
, fence
);
365 SVGA3D_ResetLastCommand(svga
->swc
);
367 /* To force the re-emission of rendertargets and texture sampler bindings on
368 * the next command buffer.
370 svga
->rebind
.flags
.rendertargets
= TRUE
;
371 svga
->rebind
.flags
.texture_samplers
= TRUE
;
373 if (svga_have_gb_objects(svga
)) {
375 svga
->rebind
.flags
.constbufs
= TRUE
;
376 svga
->rebind
.flags
.vs
= TRUE
;
377 svga
->rebind
.flags
.fs
= TRUE
;
378 svga
->rebind
.flags
.gs
= TRUE
;
380 if (svga_need_to_rebind_resources(svga
)) {
381 svga
->rebind
.flags
.query
= TRUE
;
385 if (SVGA_DEBUG
& DEBUG_SYNC
) {
387 svga
->pipe
.screen
->fence_finish(svga
->pipe
.screen
, NULL
, fence
,
388 PIPE_TIMEOUT_INFINITE
);
392 svgascreen
->sws
->fence_reference(svgascreen
->sws
, pfence
, fence
);
394 svgascreen
->sws
->fence_reference(svgascreen
->sws
, &fence
, NULL
);
396 SVGA_STATS_TIME_POP(svga_sws(svga
));
401 * Flush pending commands and wait for completion with a fence.
404 svga_context_finish(struct svga_context
*svga
)
406 struct pipe_screen
*screen
= svga
->pipe
.screen
;
407 struct pipe_fence_handle
*fence
= NULL
;
409 SVGA_STATS_TIME_PUSH(svga_sws(svga
), SVGA_STATS_TIME_CONTEXTFINISH
);
411 svga_context_flush(svga
, &fence
);
412 screen
->fence_finish(screen
, NULL
, fence
, PIPE_TIMEOUT_INFINITE
);
413 screen
->fence_reference(screen
, &fence
, NULL
);
415 SVGA_STATS_TIME_POP(svga_sws(svga
));
420 * Emit pending drawing commands to the command buffer.
421 * If the command buffer overflows, we flush it and retry.
422 * \sa svga_hwtnl_flush()
425 svga_hwtnl_flush_retry(struct svga_context
*svga
)
427 enum pipe_error ret
= PIPE_OK
;
429 ret
= svga_hwtnl_flush(svga
->hwtnl
);
430 if (ret
== PIPE_ERROR_OUT_OF_MEMORY
) {
431 svga_context_flush(svga
, NULL
);
432 ret
= svga_hwtnl_flush(svga
->hwtnl
);
435 assert(ret
== PIPE_OK
);
440 * Flush the primitive queue if this buffer is referred.
442 * Otherwise DMA commands on the referred buffer will be emitted too late.
445 svga_hwtnl_flush_buffer(struct svga_context
*svga
,
446 struct pipe_resource
*buffer
)
448 if (svga_hwtnl_is_buffer_referred(svga
->hwtnl
, buffer
)) {
449 svga_hwtnl_flush_retry(svga
);
455 * Emit all operations pending on host surfaces.
458 svga_surfaces_flush(struct svga_context
*svga
)
460 SVGA_STATS_TIME_PUSH(svga_sws(svga
), SVGA_STATS_TIME_SURFACEFLUSH
);
462 /* Emit buffered drawing commands.
464 svga_hwtnl_flush_retry(svga
);
466 /* Emit back-copy from render target views to textures.
468 svga_propagate_rendertargets(svga
);
470 SVGA_STATS_TIME_POP(svga_sws(svga
));
474 struct svga_winsys_context
*
475 svga_winsys_context(struct pipe_context
*pipe
)
477 return svga_context(pipe
)->swc
;