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"
34 #include "os/os_time.h"
36 #include "svga_context.h"
37 #include "svga_screen.h"
38 #include "svga_surface.h"
39 #include "svga_resource_texture.h"
40 #include "svga_resource_buffer.h"
41 #include "svga_resource.h"
42 #include "svga_winsys.h"
43 #include "svga_swtnl.h"
44 #include "svga_draw.h"
45 #include "svga_debug.h"
46 #include "svga_state.h"
47 #include "svga_winsys.h"
49 #define CONST0_UPLOAD_DEFAULT_SIZE 65536
51 DEBUG_GET_ONCE_BOOL_OPTION(no_swtnl
, "SVGA_NO_SWTNL", FALSE
)
52 DEBUG_GET_ONCE_BOOL_OPTION(force_swtnl
, "SVGA_FORCE_SWTNL", FALSE
);
53 DEBUG_GET_ONCE_BOOL_OPTION(use_min_mipmap
, "SVGA_USE_MIN_MIPMAP", FALSE
);
54 DEBUG_GET_ONCE_NUM_OPTION(disable_shader
, "SVGA_DISABLE_SHADER", ~0);
55 DEBUG_GET_ONCE_BOOL_OPTION(no_line_width
, "SVGA_NO_LINE_WIDTH", FALSE
);
56 DEBUG_GET_ONCE_BOOL_OPTION(force_hw_line_stipple
, "SVGA_FORCE_HW_LINE_STIPPLE", FALSE
);
58 static void 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
< Elements(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 polygon stipple state */
71 if (svga
->polygon_stipple
.sampler
) {
72 pipe
->delete_sampler_state(pipe
, svga
->polygon_stipple
.sampler
);
74 if (svga
->polygon_stipple
.sampler_view
) {
75 pipe
->sampler_view_destroy(pipe
,
76 &svga
->polygon_stipple
.sampler_view
->base
);
78 pipe_resource_reference(&svga
->polygon_stipple
.texture
, NULL
);
80 /* free HW constant buffers */
81 for (shader
= 0; shader
< Elements(svga
->state
.hw_draw
.constbuf
); shader
++) {
82 pipe_resource_reference(&svga
->state
.hw_draw
.constbuf
[shader
], NULL
);
85 pipe
->delete_blend_state(pipe
, svga
->noop_blend
);
87 /* free query gb object */
89 pipe
->destroy_query(pipe
, NULL
);
90 svga
->gb_query
= NULL
;
93 util_blitter_destroy(svga
->blitter
);
95 svga_cleanup_framebuffer( svga
);
96 svga_cleanup_tss_binding( svga
);
98 svga_cleanup_vertex_state(svga
);
100 svga_destroy_swtnl( svga
);
101 svga_hwtnl_destroy( svga
->hwtnl
);
103 svga
->swc
->destroy(svga
->swc
);
105 util_bitmask_destroy(svga
->blend_object_id_bm
);
106 util_bitmask_destroy(svga
->ds_object_id_bm
);
107 util_bitmask_destroy(svga
->input_element_object_id_bm
);
108 util_bitmask_destroy(svga
->rast_object_id_bm
);
109 util_bitmask_destroy(svga
->sampler_object_id_bm
);
110 util_bitmask_destroy(svga
->sampler_view_id_bm
);
111 util_bitmask_destroy(svga
->shader_id_bm
);
112 util_bitmask_destroy(svga
->surface_view_id_bm
);
113 util_bitmask_destroy(svga
->stream_output_id_bm
);
114 util_bitmask_destroy(svga
->query_id_bm
);
115 u_upload_destroy(svga
->const0_upload
);
117 /* free user's constant buffers */
118 for (shader
= 0; shader
< PIPE_SHADER_TYPES
; ++shader
) {
119 for (i
= 0; i
< Elements(svga
->curr
.constbufs
[shader
]); ++i
) {
120 pipe_resource_reference(&svga
->curr
.constbufs
[shader
][i
].buffer
, NULL
);
129 struct pipe_context
*svga_context_create(struct pipe_screen
*screen
,
130 void *priv
, unsigned flags
)
132 struct svga_screen
*svgascreen
= svga_screen(screen
);
133 struct svga_context
*svga
= NULL
;
136 svga
= CALLOC_STRUCT(svga_context
);
140 LIST_INITHEAD(&svga
->dirty_buffers
);
142 svga
->pipe
.screen
= screen
;
143 svga
->pipe
.priv
= priv
;
144 svga
->pipe
.destroy
= svga_destroy
;
145 svga
->pipe
.clear
= svga_clear
;
147 svga
->swc
= svgascreen
->sws
->context_create(svgascreen
->sws
);
151 svga_init_resource_functions(svga
);
152 svga_init_blend_functions(svga
);
153 svga_init_blit_functions(svga
);
154 svga_init_depth_stencil_functions(svga
);
155 svga_init_draw_functions(svga
);
156 svga_init_flush_functions(svga
);
157 svga_init_misc_functions(svga
);
158 svga_init_rasterizer_functions(svga
);
159 svga_init_sampler_functions(svga
);
160 svga_init_fs_functions(svga
);
161 svga_init_vs_functions(svga
);
162 svga_init_gs_functions(svga
);
163 svga_init_vertex_functions(svga
);
164 svga_init_constbuffer_functions(svga
);
165 svga_init_query_functions(svga
);
166 svga_init_surface_functions(svga
);
167 svga_init_stream_output_functions(svga
);
169 /* init misc state */
170 svga
->curr
.sample_mask
= ~0;
173 svga
->debug
.no_swtnl
= debug_get_option_no_swtnl();
174 svga
->debug
.force_swtnl
= debug_get_option_force_swtnl();
175 svga
->debug
.use_min_mipmap
= debug_get_option_use_min_mipmap();
176 svga
->debug
.disable_shader
= debug_get_option_disable_shader();
177 svga
->debug
.no_line_width
= debug_get_option_no_line_width();
178 svga
->debug
.force_hw_line_stipple
= debug_get_option_force_hw_line_stipple();
180 if (!(svga
->blend_object_id_bm
= util_bitmask_create()))
183 if (!(svga
->ds_object_id_bm
= util_bitmask_create()))
186 if (!(svga
->input_element_object_id_bm
= util_bitmask_create()))
189 if (!(svga
->rast_object_id_bm
= util_bitmask_create()))
192 if (!(svga
->sampler_object_id_bm
= util_bitmask_create()))
195 if (!(svga
->sampler_view_id_bm
= util_bitmask_create()))
198 if (!(svga
->shader_id_bm
= util_bitmask_create()))
201 if (!(svga
->surface_view_id_bm
= util_bitmask_create()))
204 if (!(svga
->stream_output_id_bm
= util_bitmask_create()))
207 if (!(svga
->query_id_bm
= util_bitmask_create()))
210 svga
->hwtnl
= svga_hwtnl_create(svga
);
211 if (svga
->hwtnl
== NULL
)
214 if (!svga_init_swtnl(svga
))
217 ret
= svga_emit_initial_state( svga
);
221 svga
->const0_upload
= u_upload_create(&svga
->pipe
,
222 CONST0_UPLOAD_DEFAULT_SIZE
,
223 PIPE_BIND_CONSTANT_BUFFER
,
225 if (!svga
->const0_upload
)
228 /* Avoid shortcircuiting state with initial value of zero.
230 memset(&svga
->state
.hw_clear
, 0xcd, sizeof(svga
->state
.hw_clear
));
231 memset(&svga
->state
.hw_clear
.framebuffer
, 0x0,
232 sizeof(svga
->state
.hw_clear
.framebuffer
));
234 memset(&svga
->state
.hw_draw
, 0xcd, sizeof(svga
->state
.hw_draw
));
235 memset(&svga
->state
.hw_draw
.views
, 0x0, sizeof(svga
->state
.hw_draw
.views
));
236 memset(&svga
->state
.hw_draw
.num_sampler_views
, 0,
237 sizeof(svga
->state
.hw_draw
.num_sampler_views
));
238 svga
->state
.hw_draw
.num_views
= 0;
240 /* Initialize the shader pointers */
241 svga
->state
.hw_draw
.vs
= NULL
;
242 svga
->state
.hw_draw
.gs
= NULL
;
243 svga
->state
.hw_draw
.fs
= NULL
;
244 memset(svga
->state
.hw_draw
.constbuf
, 0,
245 sizeof(svga
->state
.hw_draw
.constbuf
));
246 memset(svga
->state
.hw_draw
.default_constbuf_size
, 0,
247 sizeof(svga
->state
.hw_draw
.default_constbuf_size
));
248 memset(svga
->state
.hw_draw
.enabled_constbufs
, 0,
249 sizeof(svga
->state
.hw_draw
.enabled_constbufs
));
250 svga
->state
.hw_draw
.ib
= NULL
;
252 /* Create a no-operation blend state which we will bind whenever the
253 * requested blend state is impossible (e.g. due to having an integer
254 * render target attached).
256 * XXX: We will probably actually need 16 of these, one for each possible
257 * RGBA color mask (4 bits). Then, we would bind the one with a color mask
258 * matching the blend state it is replacing.
261 struct pipe_blend_state noop_tmpl
= {0};
264 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; ++i
) {
265 // Set the color mask to all-ones. Later this may change.
266 noop_tmpl
.rt
[i
].colormask
= PIPE_MASK_RGBA
;
268 svga
->noop_blend
= svga
->pipe
.create_blend_state(&svga
->pipe
, &noop_tmpl
);
276 svga_destroy_swtnl(svga
);
278 if (svga
->const0_upload
)
279 u_upload_destroy(svga
->const0_upload
);
281 svga_hwtnl_destroy(svga
->hwtnl
);
283 svga
->swc
->destroy(svga
->swc
);
284 util_bitmask_destroy(svga
->blend_object_id_bm
);
285 util_bitmask_destroy(svga
->ds_object_id_bm
);
286 util_bitmask_destroy(svga
->input_element_object_id_bm
);
287 util_bitmask_destroy(svga
->rast_object_id_bm
);
288 util_bitmask_destroy(svga
->sampler_object_id_bm
);
289 util_bitmask_destroy(svga
->sampler_view_id_bm
);
290 util_bitmask_destroy(svga
->shader_id_bm
);
291 util_bitmask_destroy(svga
->surface_view_id_bm
);
292 util_bitmask_destroy(svga
->stream_output_id_bm
);
293 util_bitmask_destroy(svga
->query_id_bm
);
299 void svga_context_flush( struct svga_context
*svga
,
300 struct pipe_fence_handle
**pfence
)
302 struct svga_screen
*svgascreen
= svga_screen(svga
->pipe
.screen
);
303 struct pipe_fence_handle
*fence
= NULL
;
306 svga
->curr
.nr_fbs
= 0;
308 /* Ensure that texture dma uploads are processed
309 * before submitting commands.
311 svga_context_flush_buffers(svga
);
313 svga
->hud
.command_buffer_size
+=
314 svga
->swc
->get_command_buffer_size(svga
->swc
);
316 /* Flush pending commands to hardware:
319 svga
->swc
->flush(svga
->swc
, &fence
);
320 svga
->hud
.flush_time
+= (os_time_get() - t0
);
322 svga
->hud
.num_flushes
++;
324 svga_screen_cache_flush(svgascreen
, fence
);
326 /* To force the re-emission of rendertargets and texture sampler bindings on
327 * the next command buffer.
329 svga
->rebind
.flags
.rendertargets
= TRUE
;
330 svga
->rebind
.flags
.texture_samplers
= TRUE
;
332 if (svga_have_gb_objects(svga
)) {
334 svga
->rebind
.flags
.constbufs
= TRUE
;
335 svga
->rebind
.flags
.vs
= TRUE
;
336 svga
->rebind
.flags
.fs
= TRUE
;
337 svga
->rebind
.flags
.gs
= TRUE
;
339 if (svga_need_to_rebind_resources(svga
)) {
340 svga
->rebind
.flags
.query
= TRUE
;
344 if (SVGA_DEBUG
& DEBUG_SYNC
) {
346 svga
->pipe
.screen
->fence_finish( svga
->pipe
.screen
, fence
,
347 PIPE_TIMEOUT_INFINITE
);
351 svgascreen
->sws
->fence_reference(svgascreen
->sws
, pfence
, fence
);
353 svgascreen
->sws
->fence_reference(svgascreen
->sws
, &fence
, NULL
);
358 * Flush pending commands and wait for completion with a fence.
361 svga_context_finish(struct svga_context
*svga
)
363 struct pipe_screen
*screen
= svga
->pipe
.screen
;
364 struct pipe_fence_handle
*fence
= NULL
;
366 svga_context_flush(svga
, &fence
);
367 svga
->pipe
.screen
->fence_finish(screen
, fence
, PIPE_TIMEOUT_INFINITE
);
368 screen
->fence_reference(screen
, &fence
, NULL
);
373 * Emit pending drawing commands to the command buffer.
374 * If the command buffer overflows, we flush it and retry.
375 * \sa svga_hwtnl_flush()
377 void svga_hwtnl_flush_retry( struct svga_context
*svga
)
379 enum pipe_error ret
= PIPE_OK
;
381 ret
= svga_hwtnl_flush( svga
->hwtnl
);
382 if (ret
== PIPE_ERROR_OUT_OF_MEMORY
) {
383 svga_context_flush( svga
, NULL
);
384 ret
= svga_hwtnl_flush( svga
->hwtnl
);
387 assert(ret
== PIPE_OK
);
392 * Flush the primitive queue if this buffer is referred.
394 * Otherwise DMA commands on the referred buffer will be emitted too late.
396 void svga_hwtnl_flush_buffer( struct svga_context
*svga
,
397 struct pipe_resource
*buffer
)
399 if (svga_hwtnl_is_buffer_referred(svga
->hwtnl
, buffer
)) {
400 svga_hwtnl_flush_retry(svga
);
405 /* Emit all operations pending on host surfaces.
407 void svga_surfaces_flush(struct svga_context
*svga
)
409 struct svga_screen
*svgascreen
= svga_screen(svga
->pipe
.screen
);
412 /* Emit buffered drawing commands.
414 svga_hwtnl_flush_retry( svga
);
416 /* Emit back-copy from render target view to texture.
418 for (i
= 0; i
< svgascreen
->max_color_buffers
; i
++) {
419 if (svga
->curr
.framebuffer
.cbufs
[i
])
420 svga_propagate_surface(svga
, svga
->curr
.framebuffer
.cbufs
[i
]);
423 if (svga
->curr
.framebuffer
.zsbuf
)
424 svga_propagate_surface(svga
, svga
->curr
.framebuffer
.zsbuf
);
429 struct svga_winsys_context
*
430 svga_winsys_context( struct pipe_context
*pipe
)
432 return svga_context( pipe
)->swc
;