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 **********************************************************/
26 #include "pipe/p_compiler.h"
27 #include "util/u_inlines.h"
28 #include "pipe/p_defines.h"
29 #include "util/u_helpers.h"
30 #include "util/u_memory.h"
31 #include "util/u_math.h"
33 #include "svga_context.h"
34 #include "svga_draw.h"
35 #include "svga_draw_private.h"
36 #include "svga_debug.h"
37 #include "svga_screen.h"
38 #include "svga_resource.h"
39 #include "svga_resource_buffer.h"
40 #include "svga_resource_texture.h"
41 #include "svga_sampler_view.h"
42 #include "svga_shader.h"
43 #include "svga_surface.h"
44 #include "svga_winsys.h"
49 svga_hwtnl_create(struct svga_context
*svga
)
51 struct svga_hwtnl
*hwtnl
= CALLOC_STRUCT(svga_hwtnl
);
57 hwtnl
->cmd
.swc
= svga
->swc
;
67 svga_hwtnl_destroy(struct svga_hwtnl
*hwtnl
)
71 for (i
= 0; i
< PIPE_PRIM_MAX
; i
++) {
72 for (j
= 0; j
< IDX_CACHE_MAX
; j
++) {
73 pipe_resource_reference(&hwtnl
->index_cache
[i
][j
].buffer
, NULL
);
77 for (i
= 0; i
< hwtnl
->cmd
.vbuf_count
; i
++)
78 pipe_vertex_buffer_unreference(&hwtnl
->cmd
.vbufs
[i
]);
80 for (i
= 0; i
< hwtnl
->cmd
.prim_count
; i
++)
81 pipe_resource_reference(&hwtnl
->cmd
.prim_ib
[i
], NULL
);
88 svga_hwtnl_set_flatshade(struct svga_hwtnl
*hwtnl
,
89 boolean flatshade
, boolean flatshade_first
)
91 struct svga_screen
*svgascreen
= svga_screen(hwtnl
->svga
->pipe
.screen
);
93 /* User-specified PV */
94 hwtnl
->api_pv
= (flatshade
&& !flatshade_first
) ? PV_LAST
: PV_FIRST
;
96 /* Device supported PV */
97 if (svgascreen
->haveProvokingVertex
) {
98 /* use the mode specified by the user */
99 hwtnl
->hw_pv
= hwtnl
->api_pv
;
102 /* the device only support first provoking vertex */
103 hwtnl
->hw_pv
= PV_FIRST
;
109 svga_hwtnl_set_fillmode(struct svga_hwtnl
*hwtnl
, unsigned mode
)
111 hwtnl
->api_fillmode
= mode
;
116 svga_hwtnl_vertex_decls(struct svga_hwtnl
*hwtnl
,
118 const SVGA3dVertexDecl
* decls
,
119 const unsigned *buffer_indexes
,
120 SVGA3dElementLayoutId layout_id
)
122 assert(hwtnl
->cmd
.prim_count
== 0);
123 hwtnl
->cmd
.vdecl_count
= count
;
124 hwtnl
->cmd
.vdecl_layout_id
= layout_id
;
125 memcpy(hwtnl
->cmd
.vdecl
, decls
, count
* sizeof(*decls
));
126 memcpy(hwtnl
->cmd
.vdecl_buffer_index
, buffer_indexes
,
127 count
* sizeof(unsigned));
132 * Specify vertex buffers for hardware drawing.
135 svga_hwtnl_vertex_buffers(struct svga_hwtnl
*hwtnl
,
136 unsigned count
, struct pipe_vertex_buffer
*buffers
)
138 struct pipe_vertex_buffer
*dst
= hwtnl
->cmd
.vbufs
;
139 const struct pipe_vertex_buffer
*src
= buffers
;
142 for (i
= 0; i
< count
; i
++) {
143 pipe_vertex_buffer_reference(&dst
[i
], &src
[i
]);
146 /* release old buffer references */
147 for ( ; i
< hwtnl
->cmd
.vbuf_count
; i
++) {
148 pipe_vertex_buffer_unreference(&dst
[i
]);
149 /* don't bother zeroing stride/offset fields */
152 hwtnl
->cmd
.vbuf_count
= count
;
157 * Determine whether the specified buffer is referred in the primitive queue,
158 * for which no commands have been written yet.
161 svga_hwtnl_is_buffer_referred(struct svga_hwtnl
*hwtnl
,
162 struct pipe_resource
*buffer
)
166 if (svga_buffer_is_user_buffer(buffer
)) {
170 if (!hwtnl
->cmd
.prim_count
) {
174 for (i
= 0; i
< hwtnl
->cmd
.vbuf_count
; ++i
) {
175 if (hwtnl
->cmd
.vbufs
[i
].buffer
.resource
== buffer
) {
180 for (i
= 0; i
< hwtnl
->cmd
.prim_count
; ++i
) {
181 if (hwtnl
->cmd
.prim_ib
[i
] == buffer
) {
190 static enum pipe_error
191 draw_vgpu9(struct svga_hwtnl
*hwtnl
)
193 struct svga_winsys_context
*swc
= hwtnl
->cmd
.swc
;
194 struct svga_context
*svga
= hwtnl
->svga
;
196 struct svga_winsys_surface
*vb_handle
[SVGA3D_INPUTREG_MAX
];
197 struct svga_winsys_surface
*ib_handle
[QSZ
];
198 struct svga_winsys_surface
*handle
;
199 SVGA3dVertexDecl
*vdecl
;
200 SVGA3dPrimitiveRange
*prim
;
203 /* Re-validate those sampler views with backing copy
204 * of texture whose original copy has been updated.
205 * This is done here at draw time because the texture binding might not
206 * have modified, hence validation is not triggered at state update time,
207 * and yet the texture might have been updated in another context, so
208 * we need to re-validate the sampler view in order to update the backing
209 * copy of the updated texture.
211 if (svga
->state
.hw_draw
.num_backed_views
) {
212 for (i
= 0; i
< svga
->state
.hw_draw
.num_views
; i
++) {
213 struct svga_hw_view_state
*view
= &svga
->state
.hw_draw
.views
[i
];
214 struct svga_texture
*tex
= svga_texture(view
->texture
);
215 struct svga_sampler_view
*sv
= view
->v
;
216 if (sv
&& tex
&& sv
->handle
!= tex
->handle
&& sv
->age
< tex
->age
)
217 svga_validate_sampler_view(svga
, view
->v
);
221 for (i
= 0; i
< hwtnl
->cmd
.vdecl_count
; i
++) {
222 unsigned j
= hwtnl
->cmd
.vdecl_buffer_index
[i
];
223 handle
= svga_buffer_handle(svga
, hwtnl
->cmd
.vbufs
[j
].buffer
.resource
,
224 PIPE_BIND_VERTEX_BUFFER
);
226 return PIPE_ERROR_OUT_OF_MEMORY
;
228 vb_handle
[i
] = handle
;
231 for (i
= 0; i
< hwtnl
->cmd
.prim_count
; i
++) {
232 if (hwtnl
->cmd
.prim_ib
[i
]) {
233 handle
= svga_buffer_handle(svga
, hwtnl
->cmd
.prim_ib
[i
],
234 PIPE_BIND_INDEX_BUFFER
);
236 return PIPE_ERROR_OUT_OF_MEMORY
;
241 ib_handle
[i
] = handle
;
244 if (svga
->rebind
.flags
.rendertargets
) {
245 ret
= svga_reemit_framebuffer_bindings(svga
);
246 if (ret
!= PIPE_OK
) {
251 if (svga
->rebind
.flags
.texture_samplers
) {
252 ret
= svga_reemit_tss_bindings(svga
);
253 if (ret
!= PIPE_OK
) {
258 if (svga
->rebind
.flags
.vs
) {
259 ret
= svga_reemit_vs_bindings(svga
);
260 if (ret
!= PIPE_OK
) {
265 if (svga
->rebind
.flags
.fs
) {
266 ret
= svga_reemit_fs_bindings(svga
);
267 if (ret
!= PIPE_OK
) {
272 SVGA_DBG(DEBUG_DMA
, "draw to sid %p, %d prims\n",
273 svga
->curr
.framebuffer
.cbufs
[0] ?
274 svga_surface(svga
->curr
.framebuffer
.cbufs
[0])->handle
: NULL
,
275 hwtnl
->cmd
.prim_count
);
277 ret
= SVGA3D_BeginDrawPrimitives(swc
,
279 hwtnl
->cmd
.vdecl_count
,
280 &prim
, hwtnl
->cmd
.prim_count
);
286 hwtnl
->cmd
.vdecl_count
* sizeof hwtnl
->cmd
.vdecl
[0]);
288 for (i
= 0; i
< hwtnl
->cmd
.vdecl_count
; i
++) {
289 /* check for 4-byte alignment */
290 assert(vdecl
[i
].array
.offset
% 4 == 0);
291 assert(vdecl
[i
].array
.stride
% 4 == 0);
293 /* Given rangeHint is considered to be relative to indexBias, and
294 * indexBias varies per primitive, we cannot accurately supply an
295 * rangeHint when emitting more than one primitive per draw command.
297 if (hwtnl
->cmd
.prim_count
== 1) {
298 vdecl
[i
].rangeHint
.first
= hwtnl
->cmd
.min_index
[0];
299 vdecl
[i
].rangeHint
.last
= hwtnl
->cmd
.max_index
[0] + 1;
302 vdecl
[i
].rangeHint
.first
= 0;
303 vdecl
[i
].rangeHint
.last
= 0;
306 swc
->surface_relocation(swc
,
307 &vdecl
[i
].array
.surfaceId
,
308 NULL
, vb_handle
[i
], SVGA_RELOC_READ
);
312 hwtnl
->cmd
.prim
, hwtnl
->cmd
.prim_count
* sizeof hwtnl
->cmd
.prim
[0]);
314 for (i
= 0; i
< hwtnl
->cmd
.prim_count
; i
++) {
315 swc
->surface_relocation(swc
,
316 &prim
[i
].indexArray
.surfaceId
,
317 NULL
, ib_handle
[i
], SVGA_RELOC_READ
);
318 pipe_resource_reference(&hwtnl
->cmd
.prim_ib
[i
], NULL
);
321 SVGA_FIFOCommitAll(swc
);
323 hwtnl
->cmd
.prim_count
= 0;
329 static SVGA3dSurfaceFormat
330 xlate_index_format(unsigned indexWidth
)
332 if (indexWidth
== 2) {
333 return SVGA3D_R16_UINT
;
335 else if (indexWidth
== 4) {
336 return SVGA3D_R32_UINT
;
339 assert(!"Bad indexWidth");
340 return SVGA3D_R32_UINT
;
345 static enum pipe_error
346 validate_sampler_resources(struct svga_context
*svga
)
348 enum pipe_shader_type shader
;
350 assert(svga_have_vgpu10(svga
));
352 for (shader
= PIPE_SHADER_VERTEX
; shader
<= PIPE_SHADER_GEOMETRY
; shader
++) {
353 unsigned count
= svga
->curr
.num_sampler_views
[shader
];
355 struct svga_winsys_surface
*surfaces
[PIPE_MAX_SAMPLERS
];
359 * Reference bound sampler resources to ensure pending updates are
360 * noticed by the device.
362 for (i
= 0; i
< count
; i
++) {
363 struct svga_pipe_sampler_view
*sv
=
364 svga_pipe_sampler_view(svga
->curr
.sampler_views
[shader
][i
]);
367 if (sv
->base
.texture
->target
== PIPE_BUFFER
) {
368 surfaces
[i
] = svga_buffer_handle(svga
, sv
->base
.texture
,
369 PIPE_BIND_SAMPLER_VIEW
);
372 surfaces
[i
] = svga_texture(sv
->base
.texture
)->handle
;
380 if (shader
== PIPE_SHADER_FRAGMENT
&&
381 svga
->curr
.rast
->templ
.poly_stipple_enable
) {
382 const unsigned unit
= svga
->state
.hw_draw
.fs
->pstipple_sampler_unit
;
383 struct svga_pipe_sampler_view
*sv
=
384 svga
->polygon_stipple
.sampler_view
;
387 surfaces
[unit
] = svga_texture(sv
->base
.texture
)->handle
;
388 count
= MAX2(count
, unit
+1);
391 /* rebind the shader resources if needed */
392 if (svga
->rebind
.flags
.texture_samplers
) {
393 for (i
= 0; i
< count
; i
++) {
395 ret
= svga
->swc
->resource_rebind(svga
->swc
,
405 svga
->rebind
.flags
.texture_samplers
= FALSE
;
411 static enum pipe_error
412 validate_constant_buffers(struct svga_context
*svga
)
414 enum pipe_shader_type shader
;
416 assert(svga_have_vgpu10(svga
));
418 for (shader
= PIPE_SHADER_VERTEX
; shader
<= PIPE_SHADER_GEOMETRY
; shader
++) {
420 struct svga_buffer
*buffer
;
421 struct svga_winsys_surface
*handle
;
422 unsigned enabled_constbufs
;
424 /* Rebind the default constant buffer if needed */
425 if (svga
->rebind
.flags
.constbufs
) {
426 buffer
= svga_buffer(svga
->state
.hw_draw
.constbuf
[shader
]);
428 ret
= svga
->swc
->resource_rebind(svga
->swc
,
438 * Reference other bound constant buffers to ensure pending updates are
439 * noticed by the device.
441 enabled_constbufs
= svga
->state
.hw_draw
.enabled_constbufs
[shader
] & ~1u;
442 while (enabled_constbufs
) {
443 unsigned i
= u_bit_scan(&enabled_constbufs
);
444 buffer
= svga_buffer(svga
->curr
.constbufs
[shader
][i
].buffer
);
446 handle
= svga_buffer_handle(svga
, &buffer
->b
.b
,
447 PIPE_BIND_CONSTANT_BUFFER
);
449 if (svga
->rebind
.flags
.constbufs
) {
450 ret
= svga
->swc
->resource_rebind(svga
->swc
,
460 svga
->rebind
.flags
.constbufs
= FALSE
;
467 * Was the last command put into the command buffer a drawing command?
468 * We use this to determine if we can skip emitting buffer re-bind
469 * commands when we have a sequence of drawing commands that use the
470 * same vertex/index buffers with no intervening commands.
472 * The first drawing command will bind the vertex/index buffers. If
473 * the immediately following command is also a drawing command using the
474 * same buffers, we shouldn't have to rebind them.
477 last_command_was_draw(const struct svga_context
*svga
)
479 switch (SVGA3D_GetLastCommand(svga
->swc
)) {
480 case SVGA_3D_CMD_DX_DRAW
:
481 case SVGA_3D_CMD_DX_DRAW_INDEXED
:
482 case SVGA_3D_CMD_DX_DRAW_INSTANCED
:
483 case SVGA_3D_CMD_DX_DRAW_INDEXED_INSTANCED
:
484 case SVGA_3D_CMD_DX_DRAW_AUTO
:
493 * A helper function to compare vertex buffers.
494 * They are equal if the vertex buffer attributes and the vertex buffer
495 * resources are identical.
498 vertex_buffers_equal(unsigned count
,
499 SVGA3dVertexBuffer
*pVBufAttr1
,
500 struct pipe_resource
**pVBuf1
,
501 SVGA3dVertexBuffer
*pVBufAttr2
,
502 struct pipe_resource
**pVBuf2
)
504 return (memcmp(pVBufAttr1
, pVBufAttr2
,
505 count
* sizeof(*pVBufAttr1
)) == 0) &&
506 (memcmp(pVBuf1
, pVBuf2
, count
* sizeof(*pVBuf1
)) == 0);
510 static enum pipe_error
511 draw_vgpu10(struct svga_hwtnl
*hwtnl
,
512 const SVGA3dPrimitiveRange
*range
,
514 struct pipe_resource
*ib
,
515 unsigned start_instance
, unsigned instance_count
)
517 struct svga_context
*svga
= hwtnl
->svga
;
518 struct pipe_resource
*vbuffers
[SVGA3D_INPUTREG_MAX
];
519 struct svga_winsys_surface
*vbuffer_handles
[SVGA3D_INPUTREG_MAX
];
520 struct svga_winsys_surface
*ib_handle
;
521 const unsigned vbuf_count
= hwtnl
->cmd
.vbuf_count
;
526 assert(svga_have_vgpu10(svga
));
527 assert(hwtnl
->cmd
.prim_count
== 0);
529 /* We need to reemit all the current resource bindings along with the Draw
530 * command to be sure that the referenced resources are available for the
531 * Draw command, just in case the surfaces associated with the resources
534 if (svga
->rebind
.val
) {
535 ret
= svga_rebind_framebuffer_bindings(svga
);
539 ret
= svga_rebind_shaders(svga
);
543 /* Rebind stream output targets */
544 ret
= svga_rebind_stream_output_targets(svga
);
548 /* No need to explicitly rebind index buffer and vertex buffers here.
549 * Even if the same index buffer or vertex buffers are referenced for this
550 * draw and we skip emitting the redundant set command, we will still
551 * reference the associated resources.
555 ret
= validate_sampler_resources(svga
);
559 ret
= validate_constant_buffers(svga
);
563 /* Get handle for each referenced vertex buffer */
564 for (i
= 0; i
< vbuf_count
; i
++) {
565 struct svga_buffer
*sbuf
= svga_buffer(hwtnl
->cmd
.vbufs
[i
].buffer
.resource
);
568 vbuffer_handles
[i
] = svga_buffer_handle(svga
, &sbuf
->b
.b
,
569 PIPE_BIND_VERTEX_BUFFER
);
570 assert(sbuf
->key
.flags
& SVGA3D_SURFACE_BIND_VERTEX_BUFFER
);
571 if (vbuffer_handles
[i
] == NULL
)
572 return PIPE_ERROR_OUT_OF_MEMORY
;
573 vbuffers
[i
] = &sbuf
->b
.b
;
578 vbuffer_handles
[i
] = NULL
;
582 for (; i
< svga
->state
.hw_draw
.num_vbuffers
; i
++) {
584 vbuffer_handles
[i
] = NULL
;
587 /* Get handle for the index buffer */
589 struct svga_buffer
*sbuf
= svga_buffer(ib
);
591 ib_handle
= svga_buffer_handle(svga
, ib
, PIPE_BIND_INDEX_BUFFER
);
593 return PIPE_ERROR_OUT_OF_MEMORY
;
595 assert(sbuf
->key
.flags
& SVGA3D_SURFACE_BIND_INDEX_BUFFER
);
596 (void) sbuf
; /* silence unused var warning */
602 /* setup vertex attribute input layout */
603 if (svga
->state
.hw_draw
.layout_id
!= hwtnl
->cmd
.vdecl_layout_id
) {
604 ret
= SVGA3D_vgpu10_SetInputLayout(svga
->swc
,
605 hwtnl
->cmd
.vdecl_layout_id
);
609 svga
->state
.hw_draw
.layout_id
= hwtnl
->cmd
.vdecl_layout_id
;
612 /* setup vertex buffers */
614 SVGA3dVertexBuffer vbuffer_attrs
[PIPE_MAX_ATTRIBS
];
616 for (i
= 0; i
< vbuf_count
; i
++) {
617 vbuffer_attrs
[i
].stride
= hwtnl
->cmd
.vbufs
[i
].stride
;
618 vbuffer_attrs
[i
].offset
= hwtnl
->cmd
.vbufs
[i
].buffer_offset
;
619 vbuffer_attrs
[i
].sid
= 0;
622 /* If we haven't yet emitted a drawing command or if any
623 * vertex buffer state is changing, issue that state now.
625 if (((hwtnl
->cmd
.swc
->hints
& SVGA_HINT_FLAG_CAN_PRE_FLUSH
) == 0) ||
626 vbuf_count
!= svga
->state
.hw_draw
.num_vbuffers
||
627 !vertex_buffers_equal(vbuf_count
,
630 svga
->state
.hw_draw
.vbuffer_attrs
,
631 svga
->state
.hw_draw
.vbuffers
)) {
633 unsigned num_vbuffers
;
635 /* get the max of the current bound vertex buffers count and
636 * the to-be-bound vertex buffers count, so as to unbind
637 * the unused vertex buffers.
639 num_vbuffers
= MAX2(vbuf_count
, svga
->state
.hw_draw
.num_vbuffers
);
641 /* Zero-out the old buffers we want to unbind (the number of loop
642 * iterations here is typically very small, and often zero.)
644 for (i
= vbuf_count
; i
< num_vbuffers
; i
++) {
645 vbuffer_attrs
[i
].sid
= 0;
646 vbuffer_attrs
[i
].stride
= 0;
647 vbuffer_attrs
[i
].offset
= 0;
648 vbuffer_handles
[i
] = NULL
;
651 if (num_vbuffers
> 0) {
652 SVGA3dVertexBuffer
*pbufAttrs
= vbuffer_attrs
;
653 struct svga_winsys_surface
**pbufHandles
= vbuffer_handles
;
654 unsigned numVBuf
= 0;
656 /* Loop through the vertex buffer lists to only emit
657 * those vertex buffers that are not already in the
658 * corresponding entries in the device's vertex buffer list.
660 for (i
= 0; i
< num_vbuffers
; i
++) {
663 emit
= vertex_buffers_equal(1,
666 &svga
->state
.hw_draw
.vbuffer_attrs
[i
],
667 &svga
->state
.hw_draw
.vbuffers
[i
]);
669 if (!emit
&& i
== num_vbuffers
-1) {
670 /* Include the last vertex buffer in the next emit
671 * if it is different.
679 /* numVBuf can only be 0 if the first vertex buffer
680 * is the same as the one in the device's list.
681 * In this case, there is nothing to send yet.
684 ret
= SVGA3D_vgpu10_SetVertexBuffers(svga
->swc
,
687 pbufAttrs
, pbufHandles
);
691 pbufAttrs
+= (numVBuf
+ 1);
692 pbufHandles
+= (numVBuf
+ 1);
699 /* save the number of vertex buffers sent to the device, not
700 * including trailing unbound vertex buffers.
702 svga
->state
.hw_draw
.num_vbuffers
= last_vbuf
+ 1;
703 memcpy(svga
->state
.hw_draw
.vbuffer_attrs
, vbuffer_attrs
,
704 num_vbuffers
* sizeof(vbuffer_attrs
[0]));
705 for (i
= 0; i
< num_vbuffers
; i
++) {
706 pipe_resource_reference(&svga
->state
.hw_draw
.vbuffers
[i
],
712 /* Even though we can avoid emitting the redundant SetVertexBuffers
713 * command, we still need to reference the vertex buffers surfaces.
715 for (i
= 0; i
< vbuf_count
; i
++) {
716 if (vbuffer_handles
[i
] && !last_command_was_draw(svga
)) {
717 ret
= svga
->swc
->resource_rebind(svga
->swc
, vbuffer_handles
[i
],
718 NULL
, SVGA_RELOC_READ
);
726 /* Set primitive type (line, tri, etc) */
727 if (svga
->state
.hw_draw
.topology
!= range
->primType
) {
728 ret
= SVGA3D_vgpu10_SetTopology(svga
->swc
, range
->primType
);
732 svga
->state
.hw_draw
.topology
= range
->primType
;
736 /* indexed drawing */
737 SVGA3dSurfaceFormat indexFormat
= xlate_index_format(range
->indexWidth
);
739 /* setup index buffer */
740 if (ib
!= svga
->state
.hw_draw
.ib
||
741 indexFormat
!= svga
->state
.hw_draw
.ib_format
||
742 range
->indexArray
.offset
!= svga
->state
.hw_draw
.ib_offset
) {
744 assert(indexFormat
!= SVGA3D_FORMAT_INVALID
);
745 ret
= SVGA3D_vgpu10_SetIndexBuffer(svga
->swc
, ib_handle
,
747 range
->indexArray
.offset
);
751 pipe_resource_reference(&svga
->state
.hw_draw
.ib
, ib
);
752 svga
->state
.hw_draw
.ib_format
= indexFormat
;
753 svga
->state
.hw_draw
.ib_offset
= range
->indexArray
.offset
;
756 /* Even though we can avoid emitting the redundant SetIndexBuffer
757 * command, we still need to reference the index buffer surface.
759 if (!last_command_was_draw(svga
)) {
760 ret
= svga
->swc
->resource_rebind(svga
->swc
, ib_handle
,
761 NULL
, SVGA_RELOC_READ
);
767 if (instance_count
> 1) {
768 ret
= SVGA3D_vgpu10_DrawIndexedInstanced(svga
->swc
,
771 0, /* startIndexLocation */
778 /* non-instanced drawing */
779 ret
= SVGA3D_vgpu10_DrawIndexed(svga
->swc
,
781 0, /* startIndexLocation */
788 /* non-indexed drawing */
789 if (svga
->state
.hw_draw
.ib_format
!= SVGA3D_FORMAT_INVALID
||
790 svga
->state
.hw_draw
.ib
!= NULL
) {
791 /* Unbind previously bound index buffer */
792 ret
= SVGA3D_vgpu10_SetIndexBuffer(svga
->swc
, NULL
,
793 SVGA3D_FORMAT_INVALID
, 0);
796 pipe_resource_reference(&svga
->state
.hw_draw
.ib
, NULL
);
797 svga
->state
.hw_draw
.ib_format
= SVGA3D_FORMAT_INVALID
;
800 assert(svga
->state
.hw_draw
.ib
== NULL
);
802 if (instance_count
> 1) {
803 ret
= SVGA3D_vgpu10_DrawInstanced(svga
->swc
,
813 ret
= SVGA3D_vgpu10_Draw(svga
->swc
,
821 hwtnl
->cmd
.prim_count
= 0;
829 * Emit any pending drawing commands to the command buffer.
830 * When we receive VGPU9 drawing commands we accumulate them and don't
831 * immediately emit them into the command buffer.
832 * This function needs to be called before we change state that could
833 * effect those pending draws.
836 svga_hwtnl_flush(struct svga_hwtnl
*hwtnl
)
838 enum pipe_error ret
= PIPE_OK
;
840 SVGA_STATS_TIME_PUSH(svga_sws(hwtnl
->svga
), SVGA_STATS_TIME_HWTNLFLUSH
);
842 if (!svga_have_vgpu10(hwtnl
->svga
) && hwtnl
->cmd
.prim_count
) {
843 /* we only queue up primitive for VGPU9 */
844 ret
= draw_vgpu9(hwtnl
);
847 SVGA_STATS_TIME_POP(svga_screen(hwtnl
->svga
->pipe
.screen
)->sws
);
853 svga_hwtnl_set_index_bias(struct svga_hwtnl
*hwtnl
, int index_bias
)
855 hwtnl
->index_bias
= index_bias
;
860 /***********************************************************************
861 * Internal functions:
865 * For debugging only.
868 check_draw_params(struct svga_hwtnl
*hwtnl
,
869 const SVGA3dPrimitiveRange
*range
,
870 unsigned min_index
, unsigned max_index
,
871 struct pipe_resource
*ib
)
875 assert(!svga_have_vgpu10(hwtnl
->svga
));
877 for (i
= 0; i
< hwtnl
->cmd
.vdecl_count
; i
++) {
878 unsigned j
= hwtnl
->cmd
.vdecl_buffer_index
[i
];
879 const struct pipe_vertex_buffer
*vb
= &hwtnl
->cmd
.vbufs
[j
];
880 unsigned size
= vb
->buffer
.resource
? vb
->buffer
.resource
->width0
: 0;
881 unsigned offset
= hwtnl
->cmd
.vdecl
[i
].array
.offset
;
882 unsigned stride
= hwtnl
->cmd
.vdecl
[i
].array
.stride
;
883 int index_bias
= (int) range
->indexBias
+ hwtnl
->index_bias
;
891 assert(offset
< size
);
892 assert(min_index
<= max_index
);
898 switch (hwtnl
->cmd
.vdecl
[i
].identity
.type
) {
899 case SVGA3D_DECLTYPE_FLOAT1
:
902 case SVGA3D_DECLTYPE_FLOAT2
:
905 case SVGA3D_DECLTYPE_FLOAT3
:
908 case SVGA3D_DECLTYPE_FLOAT4
:
911 case SVGA3D_DECLTYPE_D3DCOLOR
:
914 case SVGA3D_DECLTYPE_UBYTE4
:
917 case SVGA3D_DECLTYPE_SHORT2
:
920 case SVGA3D_DECLTYPE_SHORT4
:
923 case SVGA3D_DECLTYPE_UBYTE4N
:
926 case SVGA3D_DECLTYPE_SHORT2N
:
929 case SVGA3D_DECLTYPE_SHORT4N
:
932 case SVGA3D_DECLTYPE_USHORT2N
:
935 case SVGA3D_DECLTYPE_USHORT4N
:
938 case SVGA3D_DECLTYPE_UDEC3
:
941 case SVGA3D_DECLTYPE_DEC3N
:
944 case SVGA3D_DECLTYPE_FLOAT16_2
:
947 case SVGA3D_DECLTYPE_FLOAT16_4
:
956 if (index_bias
>= 0) {
957 assert(offset
+ index_bias
* stride
+ width
<= size
);
961 * min_index/max_index are merely conservative guesses, so we can't
962 * make buffer overflow detection based on their values.
966 assert(range
->indexWidth
== range
->indexArray
.stride
);
969 MAYBE_UNUSED
unsigned size
= ib
->width0
;
970 MAYBE_UNUSED
unsigned offset
= range
->indexArray
.offset
;
971 MAYBE_UNUSED
unsigned stride
= range
->indexArray
.stride
;
972 MAYBE_UNUSED
unsigned count
;
975 assert(offset
< size
);
978 switch (range
->primType
) {
979 case SVGA3D_PRIMITIVE_POINTLIST
:
980 count
= range
->primitiveCount
;
982 case SVGA3D_PRIMITIVE_LINELIST
:
983 count
= range
->primitiveCount
* 2;
985 case SVGA3D_PRIMITIVE_LINESTRIP
:
986 count
= range
->primitiveCount
+ 1;
988 case SVGA3D_PRIMITIVE_TRIANGLELIST
:
989 count
= range
->primitiveCount
* 3;
991 case SVGA3D_PRIMITIVE_TRIANGLESTRIP
:
992 count
= range
->primitiveCount
+ 2;
994 case SVGA3D_PRIMITIVE_TRIANGLEFAN
:
995 count
= range
->primitiveCount
+ 2;
1003 assert(offset
+ count
* stride
<= size
);
1009 * All drawing filters down into this function, either directly
1010 * on the hardware path or after doing software vertex processing.
1013 svga_hwtnl_prim(struct svga_hwtnl
*hwtnl
,
1014 const SVGA3dPrimitiveRange
* range
,
1017 unsigned max_index
, struct pipe_resource
*ib
,
1018 unsigned start_instance
, unsigned instance_count
)
1020 enum pipe_error ret
= PIPE_OK
;
1022 SVGA_STATS_TIME_PUSH(svga_sws(hwtnl
->svga
), SVGA_STATS_TIME_HWTNLPRIM
);
1024 if (svga_have_vgpu10(hwtnl
->svga
)) {
1025 /* draw immediately */
1026 ret
= draw_vgpu10(hwtnl
, range
, vcount
, ib
,
1027 start_instance
, instance_count
);
1028 if (ret
!= PIPE_OK
) {
1029 svga_context_flush(hwtnl
->svga
, NULL
);
1030 ret
= draw_vgpu10(hwtnl
, range
, vcount
, ib
,
1031 start_instance
, instance_count
);
1032 assert(ret
== PIPE_OK
);
1036 /* batch up drawing commands */
1038 check_draw_params(hwtnl
, range
, min_index
, max_index
, ib
);
1039 assert(start_instance
== 0);
1040 assert(instance_count
<= 1);
1042 (void) check_draw_params
;
1045 if (hwtnl
->cmd
.prim_count
+ 1 >= QSZ
) {
1046 ret
= svga_hwtnl_flush(hwtnl
);
1051 /* min/max indices are relative to bias */
1052 hwtnl
->cmd
.min_index
[hwtnl
->cmd
.prim_count
] = min_index
;
1053 hwtnl
->cmd
.max_index
[hwtnl
->cmd
.prim_count
] = max_index
;
1055 hwtnl
->cmd
.prim
[hwtnl
->cmd
.prim_count
] = *range
;
1056 hwtnl
->cmd
.prim
[hwtnl
->cmd
.prim_count
].indexBias
+= hwtnl
->index_bias
;
1058 pipe_resource_reference(&hwtnl
->cmd
.prim_ib
[hwtnl
->cmd
.prim_count
], ib
);
1059 hwtnl
->cmd
.prim_count
++;
1063 SVGA_STATS_TIME_POP(svga_screen(hwtnl
->svga
->pipe
.screen
)->sws
);