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
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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,
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 OUT_BATCH(0); /* scratch space base offset */
234 OUT_BATCH(0); /* kernel 1 pointer */
235 OUT_BATCH(brw->wm.prog_offset + brw->wm.prog_data->prog_offset_16);
239 const struct brw_tracked_state gen7_ps_state = {
241 .mesa = _NEW_PROGRAM_CONSTANTS,
242 .brw = (BRW_NEW_CURBE_OFFSETS |
243 BRW_NEW_FRAGMENT_PROGRAM |
244 BRW_NEW_NR_WM_SURFACES |
245 BRW_NEW_PS_BINDING_TABLE |
248 .cache = (CACHE_NEW_SAMPLER |
251 .emit = upload_ps_state,