--- /dev/null
+/*
+ * Copyright © 2012 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <stdbool.h>
+#include "brw_state.h"
+#include "brw_defines.h"
+#include "intel_batchbuffer.h"
+
+static void
+upload_ps_extra(struct brw_context *brw)
+{
+ struct gl_context *ctx = &brw->ctx;
+ /* BRW_NEW_FRAGMENT_PROGRAM */
+ const struct brw_fragment_program *fp =
+ brw_fragment_program_const(brw->fragment_program);
+ uint32_t dw1 = 0;
+
+ dw1 |= GEN8_PSX_PIXEL_SHADER_VALID;
+
+ if (fp->program.UsesKill)
+ dw1 |= GEN8_PSX_KILL_ENABLE;
+
+ /* BRW_NEW_FRAGMENT_PROGRAM */
+ if (brw->wm.prog_data->num_varying_inputs != 0)
+ dw1 |= GEN8_PSX_ATTRIBUTE_ENABLE;
+
+ if (fp->program.Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH)) {
+ switch (fp->program.FragDepthLayout) {
+ case FRAG_DEPTH_LAYOUT_NONE:
+ case FRAG_DEPTH_LAYOUT_ANY:
+ dw1 |= GEN8_PSX_PSCDEPTH_ON;
+ break;
+ case FRAG_DEPTH_LAYOUT_GREATER:
+ dw1 |= GEN8_PSX_PSCDEPTH_ON_GE;
+ break;
+ case FRAG_DEPTH_LAYOUT_LESS:
+ dw1 |= GEN8_PSX_PSCDEPTH_ON_LE;
+ break;
+ case FRAG_DEPTH_LAYOUT_UNCHANGED:
+ break;
+ }
+ }
+
+ if (fp->program.Base.InputsRead & VARYING_BIT_POS)
+ dw1 |= GEN8_PSX_USES_SOURCE_DEPTH | GEN8_PSX_USES_SOURCE_W;
+
+ BEGIN_BATCH(2);
+ OUT_BATCH(_3DSTATE_PS_EXTRA << 16 | (2 - 2));
+ OUT_BATCH(dw1);
+ ADVANCE_BATCH();
+}
+
+const struct brw_tracked_state gen8_ps_extra = {
+ .dirty = {
+ .mesa = 0,
+ .brw = BRW_NEW_CONTEXT | BRW_NEW_FRAGMENT_PROGRAM,
+ .cache = 0,
+ },
+ .emit = upload_ps_extra,
+};
+
+static void
+upload_wm_state(struct brw_context *brw)
+{
+ struct gl_context *ctx = &brw->ctx;
+ uint32_t dw1 = 0;
+
+ dw1 |= GEN7_WM_STATISTICS_ENABLE;
+ dw1 |= GEN7_WM_LINE_AA_WIDTH_1_0;
+ dw1 |= GEN7_WM_LINE_END_CAP_AA_WIDTH_0_5;
+ dw1 |= GEN7_WM_POINT_RASTRULE_UPPER_RIGHT;
+
+ /* _NEW_LINE */
+ if (ctx->Line.StippleFlag)
+ dw1 |= GEN7_WM_LINE_STIPPLE_ENABLE;
+
+ /* _NEW_POLYGON */
+ if (ctx->Polygon.StippleFlag)
+ dw1 |= GEN7_WM_POLYGON_STIPPLE_ENABLE;
+
+ /* CACHE_NEW_WM_PROG */
+ dw1 |= brw->wm.prog_data->barycentric_interp_modes <<
+ GEN7_WM_BARYCENTRIC_INTERPOLATION_MODE_SHIFT;
+
+ BEGIN_BATCH(2);
+ OUT_BATCH(_3DSTATE_WM << 16 | (2 - 2));
+ OUT_BATCH(dw1);
+ ADVANCE_BATCH();
+}
+
+const struct brw_tracked_state gen8_wm_state = {
+ .dirty = {
+ .mesa = _NEW_LINE | _NEW_POLYGON,
+ .brw = BRW_NEW_CONTEXT,
+ .cache = CACHE_NEW_WM_PROG,
+ },
+ .emit = upload_wm_state,
+};
+
+static void
+upload_ps_state(struct brw_context *brw)
+{
+ struct gl_context *ctx = &brw->ctx;
+ uint32_t dw3 = 0, dw6 = 0, dw7 = 0;
+
+ /* BRW_NEW_PS_BINDING_TABLE */
+ BEGIN_BATCH(2);
+ OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS_PS << 16 | (2 - 2));
+ OUT_BATCH(brw->wm.base.bind_bo_offset);
+ ADVANCE_BATCH();
+
+ /* CACHE_NEW_SAMPLER */
+ BEGIN_BATCH(2);
+ OUT_BATCH(_3DSTATE_SAMPLER_STATE_POINTERS_PS << 16 | (2 - 2));
+ OUT_BATCH(brw->wm.base.sampler_offset);
+ ADVANCE_BATCH();
+
+ /* CACHE_NEW_WM_PROG */
+ gen8_upload_constant_state(brw, &brw->wm.base, true, _3DSTATE_CONSTANT_PS);
+
+ /* Initialize the execution mask with VMask. Otherwise, derivatives are
+ * incorrect for subspans where some of the pixels are unlit. We believe
+ * the bit just didn't take effect in previous generations.
+ */
+ dw3 |= GEN7_PS_VECTOR_MASK_ENABLE;
+
+ /* CACHE_NEW_SAMPLER */
+ dw3 |=
+ (ALIGN(brw->wm.base.sampler_count, 4) / 4) << GEN7_PS_SAMPLER_COUNT_SHIFT;
+
+ /* CACHE_NEW_WM_PROG */
+ dw3 |=
+ ((brw->wm.prog_data->base.binding_table.size_bytes / 4) <<
+ GEN7_PS_BINDING_TABLE_ENTRY_COUNT_SHIFT);
+
+ /* Use ALT floating point mode for ARB fragment programs, because they
+ * require 0^0 == 1. Even though _CurrentFragmentProgram is used for
+ * rendering, CurrentFragmentProgram is used for this check to
+ * differentiate between the GLSL and non-GLSL cases.
+ */
+ if (ctx->Shader.CurrentProgram[MESA_SHADER_FRAGMENT] == NULL)
+ dw3 |= GEN7_PS_FLOATING_POINT_MODE_ALT;
+
+ dw6 |= (brw->max_wm_threads - 2) << HSW_PS_MAX_THREADS_SHIFT;
+
+ /* CACHE_NEW_WM_PROG */
+ if (brw->wm.prog_data->nr_params > 0)
+ dw6 |= GEN7_PS_PUSH_CONSTANT_ENABLE;
+
+ dw6 |= GEN7_PS_8_DISPATCH_ENABLE;
+ if (brw->wm.prog_data->prog_offset_16)
+ dw6 |= GEN7_PS_16_DISPATCH_ENABLE;
+
+ dw7 |=
+ brw->wm.prog_data->first_curbe_grf << GEN7_PS_DISPATCH_START_GRF_SHIFT_0 |
+ brw->wm.prog_data->first_curbe_grf_16<< GEN7_PS_DISPATCH_START_GRF_SHIFT_2;
+
+ BEGIN_BATCH(12);
+ OUT_BATCH(_3DSTATE_PS << 16 | (12 - 2));
+ OUT_BATCH(brw->wm.base.prog_offset);
+ OUT_BATCH(0);
+ OUT_BATCH(dw3);
+ if (brw->wm.prog_data->total_scratch) {
+ OUT_RELOC64(brw->wm.base.scratch_bo,
+ I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
+ ffs(brw->wm.prog_data->total_scratch) - 11);
+ } else {
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ }
+ OUT_BATCH(dw6);
+ OUT_BATCH(dw7);
+ OUT_BATCH(0); /* kernel 1 pointer */
+ OUT_BATCH(0);
+ OUT_BATCH(brw->wm.base.prog_offset + brw->wm.prog_data->prog_offset_16);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+const struct brw_tracked_state gen8_ps_state = {
+ .dirty = {
+ .mesa = _NEW_PROGRAM_CONSTANTS,
+ .brw = BRW_NEW_FRAGMENT_PROGRAM |
+ BRW_NEW_PS_BINDING_TABLE |
+ BRW_NEW_BATCH |
+ BRW_NEW_PUSH_CONSTANT_ALLOCATION,
+ .cache = CACHE_NEW_SAMPLER | CACHE_NEW_WM_PROG
+ },
+ .emit = upload_ps_state,
+};