2 * Copyright © 2009 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24 * Eric Anholt <eric@anholt.net>
28 #include "brw_context.h"
29 #include "brw_state.h"
30 #include "brw_defines.h"
32 #include "program/prog_parameter.h"
33 #include "program/prog_statevars.h"
34 #include "intel_batchbuffer.h"
37 upload_vs_state(struct brw_context
*brw
)
39 struct intel_context
*intel
= &brw
->intel
;
40 struct gl_context
*ctx
= &intel
->ctx
;
41 const struct brw_vertex_program
*vp
=
42 brw_vertex_program_const(brw
->vertex_program
);
43 unsigned int nr_params
= brw
->vs
.prog_data
->nr_params
/ 4;
44 drm_intel_bo
*constant_bo
;
47 if (brw
->vs
.prog_data
->nr_params
== 0 && !ctx
->Transform
.ClipPlanesEnabled
) {
48 /* Disable the push constant buffers. */
50 OUT_BATCH(CMD_3D_CONSTANT_VS_STATE
<< 16 | (5 - 2));
57 int params_uploaded
= 0;
60 if (brw
->vertex_program
->IsNVProgram
)
61 _mesa_load_tracked_matrices(ctx
);
63 /* Updates the ParamaterValues[i] pointers for all parameters of the
64 * basic type of PROGRAM_STATE_VAR.
66 _mesa_load_state_parameters(ctx
, vp
->program
.Base
.Parameters
);
68 constant_bo
= drm_intel_bo_alloc(intel
->bufmgr
, "VS constant_bo",
69 (MAX_CLIP_PLANES
+ nr_params
) *
72 drm_intel_gem_bo_map_gtt(constant_bo
);
73 param
= constant_bo
->virtual;
75 /* This should be loaded like any other param, but it's ad-hoc
76 * until we redo the VS backend.
78 for (i
= 0; i
< MAX_CLIP_PLANES
; i
++) {
79 if (ctx
->Transform
.ClipPlanesEnabled
& (1 << i
)) {
80 memcpy(param
, ctx
->Transform
._ClipUserPlane
[i
], 4 * sizeof(float));
85 /* Align to a reg for convenience for brw_vs_emit.c */
86 if (params_uploaded
& 1) {
91 if (vp
->use_const_buffer
) {
92 for (i
= 0; i
< vp
->program
.Base
.Parameters
->NumParameters
; i
++) {
93 if (brw
->vs
.constant_map
[i
] != -1) {
94 memcpy(param
+ brw
->vs
.constant_map
[i
] * 4,
95 vp
->program
.Base
.Parameters
->ParameterValues
[i
],
101 for (i
= 0; i
< nr_params
; i
++) {
102 memcpy(param
, vp
->program
.Base
.Parameters
->ParameterValues
[i
],
110 printf("VS constant buffer:\n");
111 for (i
= 0; i
< params_uploaded
; i
++) {
112 float *buf
= (float *)constant_bo
->virtual + i
* 4;
113 printf("%d: %f %f %f %f\n",
114 i
, buf
[0], buf
[1], buf
[2], buf
[3]);
118 drm_intel_gem_bo_unmap_gtt(constant_bo
);
121 OUT_BATCH(CMD_3D_CONSTANT_VS_STATE
<< 16 |
122 GEN6_CONSTANT_BUFFER_0_ENABLE
|
124 OUT_RELOC(constant_bo
,
125 I915_GEM_DOMAIN_RENDER
, 0, /* XXX: bad domain */
126 ALIGN(params_uploaded
, 2) / 2 - 1);
132 drm_intel_bo_unreference(constant_bo
);
136 OUT_BATCH(CMD_3D_VS_STATE
<< 16 | (6 - 2));
137 OUT_RELOC(brw
->vs
.prog_bo
, I915_GEM_DOMAIN_INSTRUCTION
, 0, 0);
138 OUT_BATCH((0 << GEN6_VS_SAMPLER_COUNT_SHIFT
) |
139 (brw
->vs
.nr_surfaces
<< GEN6_VS_BINDING_TABLE_ENTRY_COUNT_SHIFT
));
140 OUT_BATCH(0); /* scratch space base offset */
141 OUT_BATCH((1 << GEN6_VS_DISPATCH_START_GRF_SHIFT
) |
142 (brw
->vs
.prog_data
->urb_read_length
<< GEN6_VS_URB_READ_LENGTH_SHIFT
) |
143 (0 << GEN6_VS_URB_ENTRY_READ_OFFSET_SHIFT
));
144 OUT_BATCH((0 << GEN6_VS_MAX_THREADS_SHIFT
) |
145 GEN6_VS_STATISTICS_ENABLE
|
150 const struct brw_tracked_state gen6_vs_state
= {
152 .mesa
= _NEW_TRANSFORM
| _NEW_PROGRAM_CONSTANTS
,
153 .brw
= (BRW_NEW_CURBE_OFFSETS
|
154 BRW_NEW_NR_VS_SURFACES
|
157 .cache
= CACHE_NEW_VS_PROG
159 .emit
= upload_vs_state
,