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_defines.h"
27 #include "util/u_bitmask.h"
28 #include "util/u_format.h"
29 #include "util/u_helpers.h"
30 #include "util/u_inlines.h"
31 #include "util/u_math.h"
32 #include "util/u_memory.h"
33 #include "util/u_transfer.h"
34 #include "tgsi/tgsi_parse.h"
36 #include "svga_context.h"
38 #include "svga_format.h"
39 #include "svga_resource_buffer.h"
40 #include "svga_screen.h"
43 static void svga_set_vertex_buffers(struct pipe_context
*pipe
,
44 unsigned start_slot
, unsigned count
,
45 const struct pipe_vertex_buffer
*buffers
)
47 struct svga_context
*svga
= svga_context(pipe
);
49 util_set_vertex_buffers_count(svga
->curr
.vb
,
50 &svga
->curr
.num_vertex_buffers
,
51 buffers
, start_slot
, count
);
53 svga
->dirty
|= SVGA_NEW_VBUFFER
;
57 static void svga_set_index_buffer(struct pipe_context
*pipe
,
58 const struct pipe_index_buffer
*ib
)
60 struct svga_context
*svga
= svga_context(pipe
);
62 util_set_index_buffer(&svga
->curr
.ib
, ib
);
67 * Does the given vertex attrib format need range adjustment in the VS?
68 * Range adjustment scales and biases values from [0,1] to [-1,1].
69 * This lets us avoid the swtnl path.
72 attrib_needs_range_adjustment(enum pipe_format format
)
75 case PIPE_FORMAT_R8G8B8_SNORM
:
84 * Given a gallium vertex element format, return the corresponding
88 translate_vertex_format_to_decltype(enum pipe_format format
)
91 case PIPE_FORMAT_R32_FLOAT
: return SVGA3D_DECLTYPE_FLOAT1
;
92 case PIPE_FORMAT_R32G32_FLOAT
: return SVGA3D_DECLTYPE_FLOAT2
;
93 case PIPE_FORMAT_R32G32B32_FLOAT
: return SVGA3D_DECLTYPE_FLOAT3
;
94 case PIPE_FORMAT_R32G32B32A32_FLOAT
: return SVGA3D_DECLTYPE_FLOAT4
;
95 case PIPE_FORMAT_B8G8R8A8_UNORM
: return SVGA3D_DECLTYPE_D3DCOLOR
;
96 case PIPE_FORMAT_R8G8B8A8_USCALED
: return SVGA3D_DECLTYPE_UBYTE4
;
97 case PIPE_FORMAT_R16G16_SSCALED
: return SVGA3D_DECLTYPE_SHORT2
;
98 case PIPE_FORMAT_R16G16B16A16_SSCALED
: return SVGA3D_DECLTYPE_SHORT4
;
99 case PIPE_FORMAT_R8G8B8A8_UNORM
: return SVGA3D_DECLTYPE_UBYTE4N
;
100 case PIPE_FORMAT_R16G16_SNORM
: return SVGA3D_DECLTYPE_SHORT2N
;
101 case PIPE_FORMAT_R16G16B16A16_SNORM
: return SVGA3D_DECLTYPE_SHORT4N
;
102 case PIPE_FORMAT_R16G16_UNORM
: return SVGA3D_DECLTYPE_USHORT2N
;
103 case PIPE_FORMAT_R16G16B16A16_UNORM
: return SVGA3D_DECLTYPE_USHORT4N
;
104 case PIPE_FORMAT_R10G10B10X2_USCALED
: return SVGA3D_DECLTYPE_UDEC3
;
105 case PIPE_FORMAT_R10G10B10X2_SNORM
: return SVGA3D_DECLTYPE_DEC3N
;
106 case PIPE_FORMAT_R16G16_FLOAT
: return SVGA3D_DECLTYPE_FLOAT16_2
;
107 case PIPE_FORMAT_R16G16B16A16_FLOAT
: return SVGA3D_DECLTYPE_FLOAT16_4
;
109 /* See attrib_needs_adjustment() and attrib_needs_w_to_1() above */
110 case PIPE_FORMAT_R8G8B8_SNORM
: return SVGA3D_DECLTYPE_UBYTE4N
;
112 /* See attrib_needs_w_to_1() above */
113 case PIPE_FORMAT_R16G16B16_SNORM
: return SVGA3D_DECLTYPE_SHORT4N
;
114 case PIPE_FORMAT_R16G16B16_UNORM
: return SVGA3D_DECLTYPE_USHORT4N
;
115 case PIPE_FORMAT_R8G8B8_UNORM
: return SVGA3D_DECLTYPE_UBYTE4N
;
118 /* There are many formats without hardware support. This case
119 * will be hit regularly, meaning we'll need swvfetch.
121 return SVGA3D_DECLTYPE_MAX
;
127 define_input_element_object(struct svga_context
*svga
,
128 struct svga_velems_state
*velems
)
130 SVGA3dInputElementDesc elements
[PIPE_MAX_ATTRIBS
];
134 assert(velems
->count
<= PIPE_MAX_ATTRIBS
);
135 assert(svga_have_vgpu10(svga
));
137 for (i
= 0; i
< velems
->count
; i
++) {
138 const struct pipe_vertex_element
*elem
= velems
->velem
+ i
;
139 SVGA3dSurfaceFormat svga_format
;
142 svga_translate_vertex_format_vgpu10(elem
->src_format
,
143 &svga_format
, &vf_flags
);
145 velems
->decl_type
[i
] =
146 translate_vertex_format_to_decltype(elem
->src_format
);
147 elements
[i
].inputSlot
= elem
->vertex_buffer_index
;
148 elements
[i
].alignedByteOffset
= elem
->src_offset
;
149 elements
[i
].format
= svga_format
;
151 if (elem
->instance_divisor
) {
152 elements
[i
].inputSlotClass
= SVGA3D_INPUT_PER_INSTANCE_DATA
;
153 elements
[i
].instanceDataStepRate
= elem
->instance_divisor
;
156 elements
[i
].inputSlotClass
= SVGA3D_INPUT_PER_VERTEX_DATA
;
157 elements
[i
].instanceDataStepRate
= 0;
159 elements
[i
].inputRegister
= i
;
161 if (elements
[i
].format
== SVGA3D_FORMAT_INVALID
) {
162 velems
->need_swvfetch
= TRUE
;
165 if (util_format_is_pure_integer(elem
->src_format
)) {
166 velems
->attrib_is_pure_int
|= (1 << i
);
169 if (vf_flags
& VF_W_TO_1
) {
170 velems
->adjust_attrib_w_1
|= (1 << i
);
173 if (vf_flags
& VF_U_TO_F_CAST
) {
174 velems
->adjust_attrib_utof
|= (1 << i
);
176 else if (vf_flags
& VF_I_TO_F_CAST
) {
177 velems
->adjust_attrib_itof
|= (1 << i
);
180 if (vf_flags
& VF_BGRA
) {
181 velems
->attrib_is_bgra
|= (1 << i
);
184 if (vf_flags
& VF_PUINT_TO_SNORM
) {
185 velems
->attrib_puint_to_snorm
|= (1 << i
);
187 else if (vf_flags
& VF_PUINT_TO_USCALED
) {
188 velems
->attrib_puint_to_uscaled
|= (1 << i
);
190 else if (vf_flags
& VF_PUINT_TO_SSCALED
) {
191 velems
->attrib_puint_to_sscaled
|= (1 << i
);
195 velems
->id
= util_bitmask_add(svga
->input_element_object_id_bm
);
197 ret
= SVGA3D_vgpu10_DefineElementLayout(svga
->swc
, velems
->count
,
198 velems
->id
, elements
);
199 if (ret
!= PIPE_OK
) {
200 svga_context_flush(svga
, NULL
);
201 ret
= SVGA3D_vgpu10_DefineElementLayout(svga
->swc
, velems
->count
,
202 velems
->id
, elements
);
203 assert(ret
== PIPE_OK
);
209 * Translate the vertex element types to SVGA3dDeclType and check
210 * for VS-based vertex attribute adjustments.
213 translate_vertex_decls(struct svga_context
*svga
,
214 struct svga_velems_state
*velems
)
218 assert(!svga_have_vgpu10(svga
));
220 for (i
= 0; i
< velems
->count
; i
++) {
221 const enum pipe_format f
= velems
->velem
[i
].src_format
;
222 SVGA3dSurfaceFormat svga_format
;
225 svga_translate_vertex_format_vgpu10(f
, &svga_format
, &vf_flags
);
227 velems
->decl_type
[i
] = translate_vertex_format_to_decltype(f
);
228 if (velems
->decl_type
[i
] == SVGA3D_DECLTYPE_MAX
) {
229 /* Unsupported format - use software fetch */
230 velems
->need_swvfetch
= TRUE
;
233 /* Check for VS-based adjustments */
234 if (attrib_needs_range_adjustment(f
)) {
235 velems
->adjust_attrib_range
|= (1 << i
);
238 if (vf_flags
& VF_W_TO_1
) {
239 velems
->adjust_attrib_w_1
|= (1 << i
);
246 svga_create_vertex_elements_state(struct pipe_context
*pipe
,
248 const struct pipe_vertex_element
*attribs
)
250 struct svga_context
*svga
= svga_context(pipe
);
251 struct svga_velems_state
*velems
;
253 assert(count
<= PIPE_MAX_ATTRIBS
);
254 velems
= (struct svga_velems_state
*) MALLOC(sizeof(struct svga_velems_state
));
256 velems
->count
= count
;
257 memcpy(velems
->velem
, attribs
, sizeof(*attribs
) * count
);
259 velems
->need_swvfetch
= FALSE
;
260 velems
->adjust_attrib_range
= 0x0;
261 velems
->attrib_is_pure_int
= 0x0;
262 velems
->adjust_attrib_w_1
= 0x0;
263 velems
->adjust_attrib_itof
= 0x0;
264 velems
->adjust_attrib_utof
= 0x0;
265 velems
->attrib_is_bgra
= 0x0;
266 velems
->attrib_puint_to_snorm
= 0x0;
267 velems
->attrib_puint_to_uscaled
= 0x0;
268 velems
->attrib_puint_to_sscaled
= 0x0;
270 if (svga_have_vgpu10(svga
)) {
271 define_input_element_object(svga
, velems
);
274 translate_vertex_decls(svga
, velems
);
278 svga
->hud
.num_vertexelement_objects
++;
279 SVGA_STATS_COUNT_INC(svga_screen(svga
->pipe
.screen
)->sws
,
280 SVGA_STATS_COUNT_VERTEXELEMENT
);
287 svga_bind_vertex_elements_state(struct pipe_context
*pipe
, void *state
)
289 struct svga_context
*svga
= svga_context(pipe
);
290 struct svga_velems_state
*velems
= (struct svga_velems_state
*) state
;
292 svga
->curr
.velems
= velems
;
293 svga
->dirty
|= SVGA_NEW_VELEMENT
;
298 svga_delete_vertex_elements_state(struct pipe_context
*pipe
, void *state
)
300 struct svga_context
*svga
= svga_context(pipe
);
301 struct svga_velems_state
*velems
= (struct svga_velems_state
*) state
;
303 if (svga_have_vgpu10(svga
)) {
306 svga_hwtnl_flush_retry(svga
);
308 ret
= SVGA3D_vgpu10_DestroyElementLayout(svga
->swc
, velems
->id
);
309 if (ret
!= PIPE_OK
) {
310 svga_context_flush(svga
, NULL
);
311 ret
= SVGA3D_vgpu10_DestroyElementLayout(svga
->swc
, velems
->id
);
312 assert(ret
== PIPE_OK
);
315 if (velems
->id
== svga
->state
.hw_draw
.layout_id
)
316 svga
->state
.hw_draw
.layout_id
= SVGA3D_INVALID_ID
;
318 util_bitmask_clear(svga
->input_element_object_id_bm
, velems
->id
);
319 velems
->id
= SVGA3D_INVALID_ID
;
323 svga
->hud
.num_vertexelement_objects
--;
326 void svga_cleanup_vertex_state( struct svga_context
*svga
)
330 for (i
= 0 ; i
< svga
->curr
.num_vertex_buffers
; i
++)
331 pipe_resource_reference(&svga
->curr
.vb
[i
].buffer
, NULL
);
333 pipe_resource_reference(&svga
->state
.hw_draw
.ib
, NULL
);
335 for (i
= 0; i
< svga
->state
.hw_draw
.num_vbuffers
; i
++)
336 pipe_resource_reference(&svga
->state
.hw_draw
.vbuffers
[i
], NULL
);
340 void svga_init_vertex_functions( struct svga_context
*svga
)
342 svga
->pipe
.set_vertex_buffers
= svga_set_vertex_buffers
;
343 svga
->pipe
.set_index_buffer
= svga_set_index_buffer
;
344 svga
->pipe
.create_vertex_elements_state
= svga_create_vertex_elements_state
;
345 svga
->pipe
.bind_vertex_elements_state
= svga_bind_vertex_elements_state
;
346 svga
->pipe
.delete_vertex_elements_state
= svga_delete_vertex_elements_state
;