1 /**********************************************************
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5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
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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,
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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 * This file implements the SVGA interface into this winsys, defined
29 * in drivers/svga/svga_winsys.h.
31 * @author Keith Whitwell
32 * @author Jose Fonseca
37 #include "svga3d_caps.h"
39 #include "util/u_inlines.h"
40 #include "util/u_math.h"
41 #include "util/u_memory.h"
42 #include "pipebuffer/pb_buffer.h"
43 #include "pipebuffer/pb_bufmgr.h"
44 #include "svga_winsys.h"
45 #include "vmw_context.h"
46 #include "vmw_screen.h"
47 #include "vmw_surface.h"
48 #include "vmw_buffer.h"
49 #include "vmw_fence.h"
50 #include "vmw_shader.h"
51 #include "vmw_query.h"
52 #include "svga3d_surfacedefs.h"
55 * Try to get a surface backing buffer from the cache
56 * if it's this size or smaller.
58 #define VMW_TRY_CACHED_SIZE (2*1024*1024)
60 static struct svga_winsys_buffer
*
61 vmw_svga_winsys_buffer_create(struct svga_winsys_screen
*sws
,
66 struct vmw_winsys_screen
*vws
= vmw_winsys_screen(sws
);
67 struct vmw_buffer_desc desc
;
68 struct pb_manager
*provider
;
69 struct pb_buffer
*buffer
;
71 memset(&desc
, 0, sizeof desc
);
72 desc
.pb_desc
.alignment
= alignment
;
73 desc
.pb_desc
.usage
= usage
;
75 if (usage
== SVGA_BUFFER_USAGE_PINNED
) {
76 if (vws
->pools
.query_fenced
== NULL
&& !vmw_query_pools_init(vws
))
78 provider
= vws
->pools
.query_fenced
;
79 } else if (usage
== SVGA_BUFFER_USAGE_SHADER
) {
80 provider
= vws
->pools
.mob_shader_slab_fenced
;
82 provider
= vws
->pools
.gmr_fenced
;
85 buffer
= provider
->create_buffer(provider
, size
, &desc
.pb_desc
);
87 if(!buffer
&& provider
== vws
->pools
.gmr_fenced
) {
90 provider
= vws
->pools
.gmr_slab_fenced
;
91 buffer
= provider
->create_buffer(provider
, size
, &desc
.pb_desc
);
97 return vmw_svga_winsys_buffer_wrap(buffer
);
102 vmw_svga_winsys_fence_reference(struct svga_winsys_screen
*sws
,
103 struct pipe_fence_handle
**pdst
,
104 struct pipe_fence_handle
*src
)
106 struct vmw_winsys_screen
*vws
= vmw_winsys_screen(sws
);
108 vmw_fence_reference(vws
, pdst
, src
);
113 vmw_svga_winsys_fence_signalled(struct svga_winsys_screen
*sws
,
114 struct pipe_fence_handle
*fence
,
117 struct vmw_winsys_screen
*vws
= vmw_winsys_screen(sws
);
119 return vmw_fence_signalled(vws
, fence
, flag
);
124 vmw_svga_winsys_fence_finish(struct svga_winsys_screen
*sws
,
125 struct pipe_fence_handle
*fence
,
128 struct vmw_winsys_screen
*vws
= vmw_winsys_screen(sws
);
130 return vmw_fence_finish(vws
, fence
, flag
);
135 static struct svga_winsys_surface
*
136 vmw_svga_winsys_surface_create(struct svga_winsys_screen
*sws
,
137 SVGA3dSurfaceFlags flags
,
138 SVGA3dSurfaceFormat format
,
143 unsigned sampleCount
)
145 struct vmw_winsys_screen
*vws
= vmw_winsys_screen(sws
);
146 struct vmw_svga_winsys_surface
*surface
;
147 struct vmw_buffer_desc desc
;
148 struct pb_manager
*provider
;
149 uint32_t buffer_size
;
151 memset(&desc
, 0, sizeof(desc
));
152 surface
= CALLOC_STRUCT(vmw_svga_winsys_surface
);
156 pipe_reference_init(&surface
->refcnt
, 1);
157 p_atomic_set(&surface
->validated
, 0);
158 surface
->screen
= vws
;
159 pipe_mutex_init(surface
->mutex
);
160 surface
->shared
= !!(usage
& SVGA_SURFACE_USAGE_SHARED
);
161 provider
= (surface
->shared
) ? vws
->pools
.gmr
: vws
->pools
.mob_fenced
;
164 * Used for the backing buffer GB surfaces, and to approximate
165 * when to flush on non-GB hosts.
167 buffer_size
= svga3dsurface_get_serialized_size(format
, size
, numMipLevels
,
169 if (flags
& SVGA3D_SURFACE_BIND_STREAM_OUTPUT
)
170 buffer_size
+= sizeof(SVGA3dDXSOState
);
172 if (buffer_size
> vws
->ioctl
.max_texture_size
) {
176 if (sws
->have_gb_objects
) {
177 SVGAGuestPtr ptr
= {0,0};
180 * If the backing buffer size is small enough, try to allocate a
181 * buffer out of the buffer cache. Otherwise, let the kernel allocate
182 * a suitable buffer for us.
184 if (buffer_size
< VMW_TRY_CACHED_SIZE
&& !surface
->shared
) {
185 struct pb_buffer
*pb_buf
;
187 surface
->size
= buffer_size
;
188 desc
.pb_desc
.alignment
= 4096;
189 desc
.pb_desc
.usage
= 0;
190 pb_buf
= provider
->create_buffer(provider
, buffer_size
, &desc
.pb_desc
);
191 surface
->buf
= vmw_svga_winsys_buffer_wrap(pb_buf
);
192 if (surface
->buf
&& !vmw_gmr_bufmgr_region_ptr(pb_buf
, &ptr
))
196 surface
->sid
= vmw_ioctl_gb_surface_create(vws
, flags
, format
, usage
,
198 numMipLevels
, sampleCount
,
200 surface
->buf
? NULL
:
203 if (surface
->sid
== SVGA3D_INVALID_ID
&& surface
->buf
) {
206 * Kernel refused to allocate a surface for us.
207 * Perhaps something was wrong with our buffer?
208 * This is really a guard against future new size requirements
209 * on the backing buffers.
211 vmw_svga_winsys_buffer_destroy(sws
, surface
->buf
);
213 surface
->sid
= vmw_ioctl_gb_surface_create(vws
, flags
, format
, usage
,
215 numMipLevels
, sampleCount
,
217 if (surface
->sid
== SVGA3D_INVALID_ID
)
222 * If the kernel created the buffer for us, wrap it into a
223 * vmw_svga_winsys_buffer.
225 if (surface
->buf
== NULL
) {
226 struct pb_buffer
*pb_buf
;
228 surface
->size
= vmw_region_size(desc
.region
);
229 desc
.pb_desc
.alignment
= 4096;
230 desc
.pb_desc
.usage
= VMW_BUFFER_USAGE_SHARED
;
231 pb_buf
= provider
->create_buffer(provider
, surface
->size
,
233 surface
->buf
= vmw_svga_winsys_buffer_wrap(pb_buf
);
234 if (surface
->buf
== NULL
) {
235 vmw_ioctl_region_destroy(desc
.region
);
236 vmw_ioctl_surface_destroy(vws
, surface
->sid
);
241 surface
->sid
= vmw_ioctl_surface_create(vws
, flags
, format
, usage
,
242 size
, numLayers
, numMipLevels
,
244 if(surface
->sid
== SVGA3D_INVALID_ID
)
247 /* Best estimate for surface size, used for early flushing. */
248 surface
->size
= buffer_size
;
252 return svga_winsys_surface(surface
);
256 vmw_svga_winsys_buffer_destroy(sws
, surface
->buf
);
264 vmw_svga_winsys_surface_can_create(struct svga_winsys_screen
*sws
,
265 SVGA3dSurfaceFormat format
,
270 struct vmw_winsys_screen
*vws
= vmw_winsys_screen(sws
);
271 uint32_t buffer_size
;
273 buffer_size
= svga3dsurface_get_serialized_size(format
, size
,
276 if (buffer_size
> vws
->ioctl
.max_texture_size
) {
284 vmw_svga_winsys_surface_is_flushed(struct svga_winsys_screen
*sws
,
285 struct svga_winsys_surface
*surface
)
287 struct vmw_svga_winsys_surface
*vsurf
= vmw_svga_winsys_surface(surface
);
288 return (p_atomic_read(&vsurf
->validated
) == 0);
293 vmw_svga_winsys_surface_ref(struct svga_winsys_screen
*sws
,
294 struct svga_winsys_surface
**pDst
,
295 struct svga_winsys_surface
*src
)
297 struct vmw_svga_winsys_surface
*d_vsurf
= vmw_svga_winsys_surface(*pDst
);
298 struct vmw_svga_winsys_surface
*s_vsurf
= vmw_svga_winsys_surface(src
);
300 vmw_svga_winsys_surface_reference(&d_vsurf
, s_vsurf
);
301 *pDst
= svga_winsys_surface(d_vsurf
);
306 vmw_svga_winsys_destroy(struct svga_winsys_screen
*sws
)
308 struct vmw_winsys_screen
*vws
= vmw_winsys_screen(sws
);
310 vmw_winsys_destroy(vws
);
314 static SVGA3dHardwareVersion
315 vmw_svga_winsys_get_hw_version(struct svga_winsys_screen
*sws
)
317 struct vmw_winsys_screen
*vws
= vmw_winsys_screen(sws
);
319 if (sws
->have_gb_objects
)
320 return SVGA3D_HWVERSION_WS8_B1
;
322 return (SVGA3dHardwareVersion
) vws
->ioctl
.hwversion
;
327 vmw_svga_winsys_get_cap(struct svga_winsys_screen
*sws
,
328 SVGA3dDevCapIndex index
,
329 SVGA3dDevCapResult
*result
)
331 struct vmw_winsys_screen
*vws
= vmw_winsys_screen(sws
);
333 if (index
> vws
->ioctl
.num_cap_3d
||
334 index
>= SVGA3D_DEVCAP_MAX
||
335 !vws
->ioctl
.cap_3d
[index
].has_cap
)
338 *result
= vws
->ioctl
.cap_3d
[index
].result
;
342 struct svga_winsys_gb_shader
*
343 vmw_svga_winsys_shader_create(struct svga_winsys_screen
*sws
,
344 SVGA3dShaderType type
,
345 const uint32
*bytecode
,
348 struct vmw_winsys_screen
*vws
= vmw_winsys_screen(sws
);
349 struct vmw_svga_winsys_shader
*shader
;
352 shader
= CALLOC_STRUCT(vmw_svga_winsys_shader
);
356 pipe_reference_init(&shader
->refcnt
, 1);
357 p_atomic_set(&shader
->validated
, 0);
358 shader
->screen
= vws
;
359 shader
->buf
= vmw_svga_winsys_buffer_create(sws
, 64,
360 SVGA_BUFFER_USAGE_SHADER
,
365 code
= vmw_svga_winsys_buffer_map(sws
, shader
->buf
, PIPE_TRANSFER_WRITE
);
369 memcpy(code
, bytecode
, bytecodeLen
);
370 vmw_svga_winsys_buffer_unmap(sws
, shader
->buf
);
372 if (!sws
->have_vgpu10
) {
373 shader
->shid
= vmw_ioctl_shader_create(vws
, type
, bytecodeLen
);
374 if (shader
->shid
== SVGA3D_INVALID_ID
)
378 return svga_winsys_shader(shader
);
381 vmw_svga_winsys_buffer_destroy(sws
, shader
->buf
);
389 vmw_svga_winsys_shader_destroy(struct svga_winsys_screen
*sws
,
390 struct svga_winsys_gb_shader
*shader
)
392 struct vmw_svga_winsys_shader
*d_shader
=
393 vmw_svga_winsys_shader(shader
);
395 vmw_svga_winsys_shader_reference(&d_shader
, NULL
);
399 vmw_winsys_screen_init_svga(struct vmw_winsys_screen
*vws
)
401 vws
->base
.destroy
= vmw_svga_winsys_destroy
;
402 vws
->base
.get_hw_version
= vmw_svga_winsys_get_hw_version
;
403 vws
->base
.get_cap
= vmw_svga_winsys_get_cap
;
404 vws
->base
.context_create
= vmw_svga_winsys_context_create
;
405 vws
->base
.surface_create
= vmw_svga_winsys_surface_create
;
406 vws
->base
.surface_is_flushed
= vmw_svga_winsys_surface_is_flushed
;
407 vws
->base
.surface_reference
= vmw_svga_winsys_surface_ref
;
408 vws
->base
.surface_can_create
= vmw_svga_winsys_surface_can_create
;
409 vws
->base
.buffer_create
= vmw_svga_winsys_buffer_create
;
410 vws
->base
.buffer_map
= vmw_svga_winsys_buffer_map
;
411 vws
->base
.buffer_unmap
= vmw_svga_winsys_buffer_unmap
;
412 vws
->base
.buffer_destroy
= vmw_svga_winsys_buffer_destroy
;
413 vws
->base
.fence_reference
= vmw_svga_winsys_fence_reference
;
414 vws
->base
.fence_signalled
= vmw_svga_winsys_fence_signalled
;
415 vws
->base
.shader_create
= vmw_svga_winsys_shader_create
;
416 vws
->base
.shader_destroy
= vmw_svga_winsys_shader_destroy
;
417 vws
->base
.fence_finish
= vmw_svga_winsys_fence_finish
;
419 vws
->base
.query_create
= vmw_svga_winsys_query_create
;
420 vws
->base
.query_init
= vmw_svga_winsys_query_init
;
421 vws
->base
.query_destroy
= vmw_svga_winsys_query_destroy
;
422 vws
->base
.query_get_result
= vmw_svga_winsys_query_get_result
;