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 upload_wm_state(struct brw_context *brw)
37 struct intel_context *intel = &brw->intel;
38 struct gl_context *ctx = &intel->ctx;
39 const struct brw_fragment_program *fp =
40 brw_fragment_program_const(brw->fragment_program);
41 bool writes_depth = false;
45 dw1 |= GEN7_WM_STATISTICS_ENABLE;
46 dw1 |= GEN7_WM_LINE_AA_WIDTH_1_0;
47 dw1 |= GEN7_WM_LINE_END_CAP_AA_WIDTH_0_5;
50 if (ctx->Line.StippleFlag)
51 dw1 |= GEN7_WM_LINE_STIPPLE_ENABLE;
54 if (ctx->Polygon.StippleFlag)
55 dw1 |= GEN7_WM_POLYGON_STIPPLE_ENABLE;
57 /* BRW_NEW_FRAGMENT_PROGRAM */
58 if (fp->program.Base.InputsRead & (1 << FRAG_ATTRIB_WPOS))
59 dw1 |= GEN7_WM_USES_SOURCE_DEPTH | GEN7_WM_USES_SOURCE_W;
60 if (fp->program.Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH)) {
62 dw1 |= GEN7_WM_PSCDEPTH_ON;
66 if (fp->program.UsesKill || ctx->Color.AlphaEnabled)
67 dw1 |= GEN7_WM_KILL_ENABLE;
70 if (brw_color_buffer_write_enabled(brw) || writes_depth ||
71 dw1 & GEN7_WM_KILL_ENABLE) {
72 dw1 |= GEN7_WM_DISPATCH_ENABLE;
75 dw1 |= GEN7_WM_PERSPECTIVE_PIXEL_BARYCENTRIC;
78 OUT_BATCH(_3DSTATE_WM << 16 | (3 - 2));
84 const struct brw_tracked_state gen7_wm_state = {
86 .mesa = (_NEW_LINE | _NEW_POLYGON |
87 _NEW_COLOR | _NEW_BUFFERS),
88 .brw = (BRW_NEW_FRAGMENT_PROGRAM |
93 .emit = upload_wm_state,
97 upload_ps_state(struct brw_context *brw)
99 struct intel_context *intel = &brw->intel;
100 uint32_t dw2, dw4, dw5;
103 OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS_PS << 16 | (2 - 2));
104 OUT_BATCH(brw->wm.bind_bo_offset);
107 /* CACHE_NEW_SAMPLER */
109 OUT_BATCH(_3DSTATE_SAMPLER_STATE_POINTERS_PS << 16 | (2 - 2));
110 OUT_BATCH(brw->wm.sampler_offset);
113 /* CACHE_NEW_WM_PROG */
114 if (brw->wm.prog_data->nr_params == 0) {
115 /* Disable the push constant buffers. */
117 OUT_BATCH(_3DSTATE_CONSTANT_PS << 16 | (7 - 2));
127 OUT_BATCH(_3DSTATE_CONSTANT_PS << 16 | (7 - 2));
129 OUT_BATCH(ALIGN(brw->wm.prog_data->nr_params,
130 brw->wm.prog_data->dispatch_width) / 8);
132 /* Pointer to the WM constant buffer. Covered by the set of
133 * state flags from gen7_prepare_wm_constants
135 OUT_BATCH(brw->wm.push_const_offset);
144 dw2 |= (ALIGN(brw->wm.sampler_count, 4) / 4) << GEN7_PS_SAMPLER_COUNT_SHIFT;
146 /* BRW_NEW_NR_WM_SURFACES */
147 dw2 |= brw->wm.nr_surfaces << GEN7_PS_BINDING_TABLE_ENTRY_COUNT_SHIFT;
149 /* OpenGL non-ieee floating point mode */
150 dw2 |= GEN7_PS_FLOATING_POINT_MODE_ALT;
152 /* CACHE_NEW_SAMPLER */
153 dw4 |= (brw->max_wm_threads - 1) << GEN7_PS_MAX_THREADS_SHIFT;
155 /* CACHE_NEW_WM_PROG */
156 if (brw->wm.prog_data->nr_params > 0)
157 dw4 |= GEN7_PS_PUSH_CONSTANT_ENABLE;
159 /* BRW_NEW_FRAGMENT_PROGRAM */
160 if (brw->fragment_program->Base.InputsRead != 0)
161 dw4 |= GEN7_PS_ATTRIBUTE_ENABLE;
163 if (brw->wm.prog_data->dispatch_width == 8)
164 dw4 |= GEN7_PS_8_DISPATCH_ENABLE;
166 dw4 |= GEN7_PS_16_DISPATCH_ENABLE;
168 /* BRW_NEW_CURBE_OFFSETS */
169 dw5 |= (brw->wm.prog_data->first_curbe_grf <<
170 GEN7_PS_DISPATCH_START_GRF_SHIFT_0);
173 OUT_BATCH(_3DSTATE_PS << 16 | (8 - 2));
174 OUT_BATCH(brw->wm.prog_offset);
176 if (brw->wm.prog_data->total_scratch) {
177 OUT_RELOC(brw->wm.scratch_bo,
178 I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
179 ffs(brw->wm.prog_data->total_scratch) - 11);
185 OUT_BATCH(0); /* kernel 1 pointer */
186 OUT_BATCH(brw->wm.prog_offset + brw->wm.prog_data->prog_offset_16);
190 const struct brw_tracked_state gen7_ps_state = {
192 .mesa = _NEW_PROGRAM_CONSTANTS,
193 .brw = (BRW_NEW_CURBE_OFFSETS |
194 BRW_NEW_FRAGMENT_PROGRAM |
195 BRW_NEW_NR_WM_SURFACES |
196 BRW_NEW_PS_BINDING_TABLE |
199 .cache = (CACHE_NEW_SAMPLER |
202 .emit = upload_ps_state,