2 * Copyright © 2011 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
25 #include "brw_context.h"
26 #include "brw_state.h"
27 #include "brw_defines.h"
30 #include "program/prog_parameter.h"
31 #include "program/prog_statevars.h"
32 #include "intel_batchbuffer.h"
35 gen7_prepare_wm_constants(struct brw_context
*brw
)
37 struct intel_context
*intel
= &brw
->intel
;
38 struct gl_context
*ctx
= &intel
->ctx
;
39 /* BRW_NEW_FRAGMENT_PROGRAM */
40 const struct brw_fragment_program
*fp
=
41 brw_fragment_program_const(brw
->fragment_program
);
43 /* Updates the ParameterValues[i] pointers for all parameters of the
44 * basic type of PROGRAM_STATE_VAR.
46 /* XXX: Should this happen somewhere before to get our state flag set? */
47 _mesa_load_state_parameters(ctx
, fp
->program
.Base
.Parameters
);
49 /* CACHE_NEW_WM_PROG */
50 if (brw
->wm
.prog_data
->nr_params
!= 0) {
54 constants
= brw_state_batch(brw
, AUB_TRACE_NO_TYPE
,
55 brw
->wm
.prog_data
->nr_params
*
57 32, &brw
->wm
.push_const_offset
);
59 for (i
= 0; i
< brw
->wm
.prog_data
->nr_params
; i
++) {
60 constants
[i
] = convert_param(brw
->wm
.prog_data
->param_convert
[i
],
61 brw
->wm
.prog_data
->param
[i
]);
65 printf("WM constants:\n");
66 for (i
= 0; i
< brw
->wm
.prog_data
->nr_params
; i
++) {
68 printf("g%d: ", brw
->wm
.prog_data
->first_curbe_grf
+ i
/ 8);
69 printf("%8f ", constants
[i
]);
80 const struct brw_tracked_state gen7_wm_constants
= {
82 .mesa
= _NEW_PROGRAM_CONSTANTS
,
83 .brw
= (BRW_NEW_BATCH
| BRW_NEW_FRAGMENT_PROGRAM
),
84 .cache
= CACHE_NEW_WM_PROG
,
86 .prepare
= gen7_prepare_wm_constants
,
90 upload_wm_state(struct brw_context
*brw
)
92 struct intel_context
*intel
= &brw
->intel
;
93 struct gl_context
*ctx
= &intel
->ctx
;
94 const struct brw_fragment_program
*fp
=
95 brw_fragment_program_const(brw
->fragment_program
);
96 bool writes_depth
= false;
100 dw1
|= GEN7_WM_STATISTICS_ENABLE
;
101 dw1
|= GEN7_WM_LINE_AA_WIDTH_1_0
;
102 dw1
|= GEN7_WM_LINE_END_CAP_AA_WIDTH_0_5
;
105 if (ctx
->Line
.StippleFlag
)
106 dw1
|= GEN7_WM_LINE_STIPPLE_ENABLE
;
109 if (ctx
->Polygon
.StippleFlag
)
110 dw1
|= GEN7_WM_POLYGON_STIPPLE_ENABLE
;
112 /* BRW_NEW_FRAGMENT_PROGRAM */
113 if (fp
->program
.Base
.InputsRead
& (1 << FRAG_ATTRIB_WPOS
))
114 dw1
|= GEN7_WM_USES_SOURCE_DEPTH
| GEN7_WM_USES_SOURCE_W
;
115 if (fp
->program
.Base
.OutputsWritten
& BITFIELD64_BIT(FRAG_RESULT_DEPTH
)) {
117 dw1
|= GEN7_WM_PSCDEPTH_ON
;
121 if (fp
->program
.UsesKill
|| ctx
->Color
.AlphaEnabled
)
122 dw1
|= GEN7_WM_KILL_ENABLE
;
125 if (brw_color_buffer_write_enabled(brw
) || writes_depth
||
126 dw1
& GEN7_WM_KILL_ENABLE
) {
127 dw1
|= GEN7_WM_DISPATCH_ENABLE
;
130 dw1
|= GEN7_WM_PERSPECTIVE_PIXEL_BARYCENTRIC
;
133 OUT_BATCH(_3DSTATE_WM
<< 16 | (3 - 2));
139 const struct brw_tracked_state gen7_wm_state
= {
141 .mesa
= (_NEW_LINE
| _NEW_POLYGON
|
142 _NEW_COLOR
| _NEW_BUFFERS
),
143 .brw
= (BRW_NEW_FRAGMENT_PROGRAM
|
148 .emit
= upload_wm_state
,
152 upload_ps_state(struct brw_context
*brw
)
154 struct intel_context
*intel
= &brw
->intel
;
155 uint32_t dw2
, dw4
, dw5
;
158 OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS_PS
<< 16 | (2 - 2));
159 OUT_BATCH(brw
->wm
.bind_bo_offset
);
162 /* CACHE_NEW_SAMPLER */
164 OUT_BATCH(_3DSTATE_SAMPLER_STATE_POINTERS_PS
<< 16 | (2 - 2));
165 OUT_BATCH(brw
->wm
.sampler_offset
);
168 /* CACHE_NEW_WM_PROG */
169 if (brw
->wm
.prog_data
->nr_params
== 0) {
170 /* Disable the push constant buffers. */
172 OUT_BATCH(_3DSTATE_CONSTANT_PS
<< 16 | (7 - 2));
182 OUT_BATCH(_3DSTATE_CONSTANT_PS
<< 16 | (7 - 2));
184 OUT_BATCH(ALIGN(brw
->wm
.prog_data
->nr_params
,
185 brw
->wm
.prog_data
->dispatch_width
) / 8);
187 /* Pointer to the WM constant buffer. Covered by the set of
188 * state flags from gen7_prepare_wm_constants
190 OUT_BATCH(brw
->wm
.push_const_offset
);
199 dw2
|= (ALIGN(brw
->wm
.sampler_count
, 4) / 4) << GEN7_PS_SAMPLER_COUNT_SHIFT
;
201 /* BRW_NEW_NR_WM_SURFACES */
202 dw2
|= brw
->wm
.nr_surfaces
<< GEN7_PS_BINDING_TABLE_ENTRY_COUNT_SHIFT
;
204 /* OpenGL non-ieee floating point mode */
205 dw2
|= GEN7_PS_FLOATING_POINT_MODE_ALT
;
207 /* CACHE_NEW_SAMPLER */
208 dw4
|= (brw
->wm_max_threads
- 1) << GEN7_PS_MAX_THREADS_SHIFT
;
210 /* CACHE_NEW_WM_PROG */
211 if (brw
->wm
.prog_data
->nr_params
> 0)
212 dw4
|= GEN7_PS_PUSH_CONSTANT_ENABLE
;
214 /* BRW_NEW_FRAGMENT_PROGRAM */
215 if (brw
->fragment_program
->Base
.InputsRead
!= 0)
216 dw4
|= GEN7_PS_ATTRIBUTE_ENABLE
;
218 if (brw
->wm
.prog_data
->dispatch_width
== 8)
219 dw4
|= GEN7_PS_8_DISPATCH_ENABLE
;
221 dw4
|= GEN7_PS_16_DISPATCH_ENABLE
;
223 /* BRW_NEW_CURBE_OFFSETS */
224 dw5
|= (brw
->wm
.prog_data
->first_curbe_grf
<<
225 GEN7_PS_DISPATCH_START_GRF_SHIFT_0
);
228 OUT_BATCH(_3DSTATE_PS
<< 16 | (8 - 2));
229 OUT_BATCH(brw
->wm
.prog_offset
);
231 if (brw
->wm
.prog_data
->total_scratch
) {
232 OUT_RELOC(brw
->wm
.scratch_bo
,
233 I915_GEM_DOMAIN_RENDER
, I915_GEM_DOMAIN_RENDER
,
234 ffs(brw
->wm
.prog_data
->total_scratch
) - 11);
240 OUT_BATCH(0); /* kernel 1 pointer */
241 OUT_BATCH(brw
->wm
.prog_offset
+ brw
->wm
.prog_data
->prog_offset_16
);
245 const struct brw_tracked_state gen7_ps_state
= {
247 .mesa
= _NEW_PROGRAM_CONSTANTS
,
248 .brw
= (BRW_NEW_CURBE_OFFSETS
|
249 BRW_NEW_FRAGMENT_PROGRAM
|
250 BRW_NEW_NR_WM_SURFACES
|
251 BRW_NEW_PS_BINDING_TABLE
|
254 .cache
= (CACHE_NEW_SAMPLER
|
257 .emit
= upload_ps_state
,