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"
33 #include "program/prog_parameter.h"
34 #include "program/prog_statevars.h"
35 #include "intel_batchbuffer.h"
38 gen6_upload_wm_push_constants(struct brw_context
*brw
)
40 struct intel_context
*intel
= &brw
->intel
;
41 struct gl_context
*ctx
= &intel
->ctx
;
42 /* BRW_NEW_FRAGMENT_PROGRAM */
43 const struct brw_fragment_program
*fp
=
44 brw_fragment_program_const(brw
->fragment_program
);
46 /* Updates the ParameterValues[i] pointers for all parameters of the
47 * basic type of PROGRAM_STATE_VAR.
49 /* XXX: Should this happen somewhere before to get our state flag set? */
50 _mesa_load_state_parameters(ctx
, fp
->program
.Base
.Parameters
);
52 /* CACHE_NEW_WM_PROG */
53 if (brw
->wm
.prog_data
->nr_params
!= 0) {
57 constants
= brw_state_batch(brw
, AUB_TRACE_WM_CONSTANTS
,
58 brw
->wm
.prog_data
->nr_params
*
60 32, &brw
->wm
.push_const_offset
);
62 for (i
= 0; i
< brw
->wm
.prog_data
->nr_params
; i
++) {
63 constants
[i
] = convert_param(brw
->wm
.prog_data
->param_convert
[i
],
64 brw
->wm
.prog_data
->param
[i
]);
68 printf("WM constants:\n");
69 for (i
= 0; i
< brw
->wm
.prog_data
->nr_params
; i
++) {
71 printf("g%d: ", brw
->wm
.prog_data
->first_curbe_grf
+ i
/ 8);
72 printf("%8f ", constants
[i
]);
83 const struct brw_tracked_state gen6_wm_push_constants
= {
85 .mesa
= _NEW_PROGRAM_CONSTANTS
,
86 .brw
= (BRW_NEW_BATCH
|
87 BRW_NEW_FRAGMENT_PROGRAM
),
88 .cache
= CACHE_NEW_WM_PROG
,
90 .emit
= gen6_upload_wm_push_constants
,
94 upload_wm_state(struct brw_context
*brw
)
96 struct intel_context
*intel
= &brw
->intel
;
97 struct gl_context
*ctx
= &intel
->ctx
;
98 const struct brw_fragment_program
*fp
=
99 brw_fragment_program_const(brw
->fragment_program
);
100 uint32_t dw2
, dw4
, dw5
, dw6
;
103 bool flat_shade
= (ctx
->Light
.ShadeModel
== GL_FLAT
);
105 /* CACHE_NEW_WM_PROG */
106 if (brw
->wm
.prog_data
->nr_params
== 0) {
107 /* Disable the push constant buffers. */
109 OUT_BATCH(_3DSTATE_CONSTANT_PS
<< 16 | (5 - 2));
117 OUT_BATCH(_3DSTATE_CONSTANT_PS
<< 16 |
118 GEN6_CONSTANT_BUFFER_0_ENABLE
|
120 /* Pointer to the WM constant buffer. Covered by the set of
121 * state flags from gen6_upload_wm_constants
123 OUT_BATCH(brw
->wm
.push_const_offset
+
124 ALIGN(brw
->wm
.prog_data
->nr_params
,
125 brw
->wm
.prog_data
->dispatch_width
) / 8 - 1);
132 dw2
= dw4
= dw5
= dw6
= 0;
133 dw4
|= GEN6_WM_STATISTICS_ENABLE
;
134 dw5
|= GEN6_WM_LINE_AA_WIDTH_1_0
;
135 dw5
|= GEN6_WM_LINE_END_CAP_AA_WIDTH_0_5
;
137 /* Use ALT floating point mode for ARB fragment programs, because they
140 if (ctx
->Shader
.CurrentFragmentProgram
== NULL
)
141 dw2
|= GEN6_WM_FLOATING_POINT_MODE_ALT
;
143 /* CACHE_NEW_SAMPLER */
144 dw2
|= (ALIGN(brw
->sampler
.count
, 4) / 4) << GEN6_WM_SAMPLER_COUNT_SHIFT
;
145 dw4
|= (brw
->wm
.prog_data
->first_curbe_grf
<<
146 GEN6_WM_DISPATCH_START_GRF_SHIFT_0
);
147 dw4
|= (brw
->wm
.prog_data
->first_curbe_grf_16
<<
148 GEN6_WM_DISPATCH_START_GRF_SHIFT_2
);
150 switch (brw
->hiz
.op
) {
151 case BRW_HIZ_OP_NONE
:
153 case BRW_HIZ_OP_DEPTH_CLEAR
:
154 dw4
|= GEN6_WM_DEPTH_CLEAR
;
156 case BRW_HIZ_OP_DEPTH_RESOLVE
:
157 dw4
|= GEN6_WM_DEPTH_RESOLVE
;
159 case BRW_HIZ_OP_HIZ_RESOLVE
:
160 dw4
|= GEN6_WM_HIERARCHICAL_DEPTH_RESOLVE
;
167 dw5
|= (brw
->max_wm_threads
- 1) << GEN6_WM_MAX_THREADS_SHIFT
;
169 /* CACHE_NEW_WM_PROG */
170 if (brw
->wm
.prog_data
->dispatch_width
== 8) {
171 dw5
|= GEN6_WM_8_DISPATCH_ENABLE
;
172 if (brw
->wm
.prog_data
->prog_offset_16
)
173 dw5
|= GEN6_WM_16_DISPATCH_ENABLE
;
175 dw5
|= GEN6_WM_16_DISPATCH_ENABLE
;
179 if (ctx
->Line
.StippleFlag
)
180 dw5
|= GEN6_WM_LINE_STIPPLE_ENABLE
;
183 if (ctx
->Polygon
.StippleFlag
)
184 dw5
|= GEN6_WM_POLYGON_STIPPLE_ENABLE
;
186 /* BRW_NEW_FRAGMENT_PROGRAM */
187 if (fp
->program
.Base
.InputsRead
& FRAG_BIT_WPOS
)
188 dw5
|= GEN6_WM_USES_SOURCE_DEPTH
| GEN6_WM_USES_SOURCE_W
;
189 if (fp
->program
.Base
.OutputsWritten
& BITFIELD64_BIT(FRAG_RESULT_DEPTH
))
190 dw5
|= GEN6_WM_COMPUTED_DEPTH
;
191 dw6
|= brw_compute_barycentric_interp_modes(flat_shade
, &fp
->program
) <<
192 GEN6_WM_BARYCENTRIC_INTERPOLATION_MODE_SHIFT
;
195 if (fp
->program
.UsesKill
|| ctx
->Color
.AlphaEnabled
)
196 dw5
|= GEN6_WM_KILL_ENABLE
;
198 if (brw_color_buffer_write_enabled(brw
) ||
199 dw5
& (GEN6_WM_KILL_ENABLE
| GEN6_WM_COMPUTED_DEPTH
)) {
200 dw5
|= GEN6_WM_DISPATCH_ENABLE
;
203 dw6
|= _mesa_bitcount_64(brw
->fragment_program
->Base
.InputsRead
) <<
204 GEN6_WM_NUM_SF_OUTPUTS_SHIFT
;
207 OUT_BATCH(_3DSTATE_WM
<< 16 | (9 - 2));
208 OUT_BATCH(brw
->wm
.prog_offset
);
210 if (brw
->wm
.prog_data
->total_scratch
) {
211 OUT_RELOC(brw
->wm
.scratch_bo
, I915_GEM_DOMAIN_RENDER
, I915_GEM_DOMAIN_RENDER
,
212 ffs(brw
->wm
.prog_data
->total_scratch
) - 11);
219 OUT_BATCH(0); /* kernel 1 pointer */
220 /* kernel 2 pointer */
221 OUT_BATCH(brw
->wm
.prog_offset
+ brw
->wm
.prog_data
->prog_offset_16
);
225 const struct brw_tracked_state gen6_wm_state
= {
231 _NEW_PROGRAM_CONSTANTS
|
233 .brw
= (BRW_NEW_FRAGMENT_PROGRAM
|
237 .cache
= (CACHE_NEW_SAMPLER
|
240 .emit
= upload_wm_state
,