#include "iris_context.h"
#include "iris_defines.h"
-/**
- * Implement workarounds for preemption:
- * - WaDisableMidObjectPreemptionForGSLineStripAdj
- * - WaDisableMidObjectPreemptionForTrifanOrPolygon
- * - WaDisableMidObjectPreemptionForLineLoop
- * - WA#0798
- */
-static void
-gen9_emit_preempt_wa(struct iris_context *ice, struct iris_batch *batch,
- const struct pipe_draw_info *info)
-{
- bool object_preemption = true;
- struct iris_screen *screen = (struct iris_screen *)ice->ctx.screen;
-
- /* Only apply these workarounds for gen9 */
- assert(screen->devinfo.gen == 9);
-
- /* WaDisableMidObjectPreemptionForGSLineStripAdj
- *
- * WA: Disable mid-draw preemption when draw-call is a linestrip_adj and
- * GS is enabled.
- */
- if (ice->state.prim_mode == PIPE_PRIM_LINE_STRIP_ADJACENCY &&
- ice->shaders.prog[MESA_SHADER_GEOMETRY])
- object_preemption = false;
-
- /* WaDisableMidObjectPreemptionForTrifanOrPolygon
- *
- * TriFan miscompare in Execlist Preemption test. Cut index that is on a
- * previous context. End the previous, the resume another context with a
- * tri-fan or polygon, and the vertex count is corrupted. If we prempt
- * again we will cause corruption.
- *
- * WA: Disable mid-draw preemption when draw-call has a tri-fan.
- */
- if (ice->state.prim_mode == PIPE_PRIM_TRIANGLE_FAN)
- object_preemption = false;
-
- /* WaDisableMidObjectPreemptionForLineLoop
- *
- * VF Stats Counters Missing a vertex when preemption enabled.
- *
- * WA: Disable mid-draw preemption when the draw uses a lineloop
- * topology.
- */
- if (ice->state.prim_mode == PIPE_PRIM_LINE_LOOP)
- object_preemption = false;
-
- /* WA#0798
- *
- * VF is corrupting GAFS data when preempted on an instance boundary and
- * replayed with instancing enabled.
- *
- * WA: Disable preemption when using instanceing.
- */
- if (info->instance_count > 1)
- object_preemption = false;
-
- gen9_iris_enable_obj_preemption(ice, batch, object_preemption);
-}
-
/**
* Record the current primitive mode and restart information, flagging
* related packets as dirty if necessary.
{
struct iris_context *ice = (struct iris_context *) ctx;
struct iris_screen *screen = (struct iris_screen*)ice->ctx.screen;
+ const struct gen_device_info *devinfo = &screen->devinfo;
struct iris_batch *batch = &ice->batches[IRIS_BATCH_RENDER];
if (ice->state.predicate == IRIS_PREDICATE_STATE_DONT_RENDER)
iris_update_draw_info(ice, info);
- if (screen->devinfo.gen == 9)
- gen9_emit_preempt_wa(ice, batch, info);
+ if (devinfo->gen == 9)
+ gen9_toggle_preemption(ice, batch, info);
iris_update_compiled_shaders(ice);
iris_emit_l3_config(batch, cfg, has_slm, wants_dc_cache);
}
+#if GEN_GEN >= 9
+static void
+iris_enable_obj_preemption(struct iris_batch *batch, bool enable)
+{
+ uint32_t reg_val;
+
+ /* A fixed function pipe flush is required before modifying this field */
+ iris_emit_end_of_pipe_sync(batch, PIPE_CONTROL_RENDER_TARGET_FLUSH);
+
+ /* enable object level preemption */
+ iris_pack_state(GENX(CS_CHICKEN1), ®_val, reg) {
+ reg.ReplayMode = enable;
+ reg.ReplayModeMask = true;
+ }
+ iris_emit_lri(batch, CS_CHICKEN1, reg_val);
+}
+#endif
+
/**
* Upload the initial GPU state for a render context.
*
alloc.ConstantBufferSize = i == MESA_SHADER_FRAGMENT ? 8 : 6;
}
}
+
+#if GEN_GEN == 10
+ /* Gen11+ is enabled for us by the kernel. */
+ iris_enable_obj_preemption(batch, true);
+#endif
}
static void
uint32_t so_buffers[4 * GENX(3DSTATE_SO_BUFFER_length)];
+#if GEN_GEN == 9
+ /* Is object level preemption enabled? */
+ bool object_preemption;
+#endif
+
struct {
#if GEN_GEN == 8
struct brw_image_param image_param[PIPE_MAX_SHADER_IMAGES];
}
}
+#if GEN_GEN == 9
+/**
+ * Preemption on Gen9 has to be enabled or disabled in various cases.
+ *
+ * See these workarounds for preemption:
+ * - WaDisableMidObjectPreemptionForGSLineStripAdj
+ * - WaDisableMidObjectPreemptionForTrifanOrPolygon
+ * - WaDisableMidObjectPreemptionForLineLoop
+ * - WA#0798
+ *
+ * We don't put this in the vtable because it's only used on Gen9.
+ */
+void
+gen9_toggle_preemption(struct iris_context *ice,
+ struct iris_batch *batch,
+ const struct pipe_draw_info *draw)
+{
+ struct iris_genx_state *genx = ice->state.genx;
+ bool object_preemption = true;
+
+ /* WaDisableMidObjectPreemptionForGSLineStripAdj
+ *
+ * "WA: Disable mid-draw preemption when draw-call is a linestrip_adj
+ * and GS is enabled."
+ */
+ if (draw->mode == PIPE_PRIM_LINE_STRIP_ADJACENCY &&
+ ice->shaders.prog[MESA_SHADER_GEOMETRY])
+ object_preemption = false;
+
+ /* WaDisableMidObjectPreemptionForTrifanOrPolygon
+ *
+ * "TriFan miscompare in Execlist Preemption test. Cut index that is
+ * on a previous context. End the previous, the resume another context
+ * with a tri-fan or polygon, and the vertex count is corrupted. If we
+ * prempt again we will cause corruption.
+ *
+ * WA: Disable mid-draw preemption when draw-call has a tri-fan."
+ */
+ if (draw->mode == PIPE_PRIM_TRIANGLE_FAN)
+ object_preemption = false;
+
+ /* WaDisableMidObjectPreemptionForLineLoop
+ *
+ * "VF Stats Counters Missing a vertex when preemption enabled.
+ *
+ * WA: Disable mid-draw preemption when the draw uses a lineloop
+ * topology."
+ */
+ if (draw->mode == PIPE_PRIM_LINE_LOOP)
+ object_preemption = false;
+
+ /* WA#0798
+ *
+ * "VF is corrupting GAFS data when preempted on an instance boundary
+ * and replayed with instancing enabled.
+ *
+ * WA: Disable preemption when using instanceing."
+ */
+ if (draw->instance_count > 1)
+ object_preemption = false;
+
+ if (genx->object_preemption != object_preemption) {
+ iris_enable_obj_preemption(batch, object_preemption);
+ genx->object_preemption = object_preemption;
+ }
+}
+#endif
+
void
genX(init_state)(struct iris_context *ice)
{
};
}
}
-
-#if GEN_GEN >= 9
-/* not called externally */
-void gen11_iris_enable_obj_preemption(struct iris_context *ice, struct iris_batch *batch, bool enable);
-
-void
-genX(iris_enable_obj_preemption)(struct iris_context *ice, struct iris_batch *batch, bool enable)
-{
- uint32_t reg_val;
- struct iris_screen *screen = (struct iris_screen *)ice->ctx.screen;
-
- assert(screen->devinfo.gen >= 9);
-
- if (enable == ice->state.object_preemption)
- return;
- ice->state.object_preemption = enable;
-
- /* A fixed function pipe flush is required before modifying this field */
- iris_emit_end_of_pipe_sync(batch,
- PIPE_CONTROL_RENDER_TARGET_FLUSH);
-
- /* enable object level preemption */
- iris_pack_state(GENX(CS_CHICKEN1), ®_val, reg) {
- reg.ReplayMode = enable;
- reg.ReplayModeMask = true;
- }
- iris_emit_lri(batch, CS_CHICKEN1, reg_val);
-}
-#endif
projects / mesa.git / commitdiff