nvc0: add ARB_indirect_parameters support

I chose to make separate macros for this due to the additional
complexity and extra scratch usage.

Signed-off-by: Ilia Mirkin <[email protected]>

2 files changed, 282 insertions, 0 deletions

diff --git a/src/gallium/drivers/nouveau/nvc0/mme/com9097.mme b/src/gallium/drivers/nouveau/nvc0/mme/com9097.mme
index 35355edf2e7..4daa57d47bb 100644
--- a/src/gallium/drivers/nouveau/nvc0/mme/com9097.mme
+++ b/src/gallium/drivers/nouveau/nvc0/mme/com9097.mme
@@ -334,3 +334,160 @@ dai_end:
    mov $r6 (add $r6 1)
    exit maddr 0x50e /* VB_INSTANCE_BASE to restore */
    send $r5
+
+/* NVC0_3D_MACRO_DRAW_ELEMENTS_INDIRECT_COUNT
+ *
+ * NOTE: Saves and restores VB_ELEMENT,INSTANCE_BASE.
+ * Forcefully sets VERTEX_ID_BASE to the value of VB_ELEMENT_BASE.
+ *
+ * arg     = mode
+ * parm[0] = start_drawid
+ * parm[1] = numparams
+ * parm[2] = totaldraws
+ * parm[3 + 5n + 0] = count
+ * parm[3 + 5n + 1] = instance_count
+ * parm[3 + 5n + 2] = start
+ * parm[3 + 5n + 3] = index_bias
+ * parm[3 + 5n + 4] = start_instance
+ *
+ * SCRATCH[0] = saved VB_ELEMENT_BASE
+ * SCRATCH[1] = saved VB_INSTANCE_BASE
+ * SCRATCH[2] = draws left
+ */
+.section #mme9097_draw_elts_indirect_count
+   read $r6 0x50d /* VB_ELEMENT_BASE */
+   read $r7 0x50e /* VB_INSTANCE_BASE */
+   maddr 0x1d00
+   send $r6 /* SCRATCH[0] = VB_ELEMENT_BASE */
+   send $r7 /* SCRATCH[1] = VB_INSTANCE_BASE */
+   parm $r6 /* start_drawid */
+   parm $r7 /* numparams */
+   parm $r5 /* totaldraws */
+   mov $r5 (sub $r5 $r6) /* draws left */
+   braz $r5 #deic_runout
+   mov $r3 (extrinsrt 0x0 $r5 31 1 0) /* extract high bit */
+   branz $r3 #deic_runout
+   send $r5
+deic_draw_again:
+   parm $r3 /* count */
+   parm $r2 /* instance_count */
+   parm $r4 maddr 0x5f7 /* INDEX_BATCH_FIRST, start */
+   parm $r4 send $r4 /* index_bias, send start */
+   maddr 0x18e3 /* CB_POS */
+   send 0x180 /* 256 + 128 */
+   braz $r2 #deic_end
+   parm $r5 send $r4 /* start_instance, send index_bias */
+   send $r5 /* send start_instance */
+   send $r6 /* draw id */
+   maddr 0x150d /* VB_ELEMENT,INSTANCE_BASE */
+   send $r4
+   send $r5
+   maddr 0x446
+   send $r4
+   mov $r4 0x1
+   mov $r1 (extrinsrt $r1 0x0 0 1 26) /* clear INSTANCE_NEXT */
+deic_again:
+   maddr 0x586 /* VERTEX_BEGIN_GL */
+   send $r1 /* mode */
+   maddr 0x5f8 /* INDEX_BATCH_COUNT */
+   send $r3 /* count */
+   mov $r2 (sub $r2 $r4)
+   maddrsend 0x585 /* VERTEX_END_GL */
+   branz $r2 #deic_again
+   mov $r1 (extrinsrt $r1 $r4 0 1 26) /* set INSTANCE_NEXT */
+deic_end:
+   read $r5 0xd02
+   mov $r5 (add $r5 -1)
+   braz $r5 #deic_runout_check
+   mov $r7 (add $r7 -1)
+   maddr 0xd02
+   send $r5
+   branz $r7 #deic_draw_again
+   mov $r6 (add $r6 1)
+deic_restore:
+   read $r6 0xd00
+   read $r7 0xd01
+   maddr 0x150d /* VB_ELEMENT,INSTANCE_BASE */
+   send $r6
+   send $r7
+   exit maddr 0x446
+   send $r6
+deic_runout:
+   parm $r2
+   parm $r2
+   parm $r2
+   parm $r2
+   parm $r2
+   mov $r7 (add $r7 -1)
+deic_runout_check:
+   branz annul $r7 #deic_runout
+   bra annul #deic_restore
+
+/* NVC0_3D_MACRO_DRAW_ARRAYS_INDIRECT_COUNT:
+ *
+ * NOTE: Saves and restores VB_INSTANCE_BASE.
+ *
+ * arg     = mode
+ * parm[0] = start_drawid
+ * parm[1] = numparams
+ * parm[2] = totaldraws
+ * parm[3 + 4n + 0] = count
+ * parm[3 + 4n + 1] = instance_count
+ * parm[3 + 4n + 2] = start
+ * parm[3 + 4n + 3] = start_instance
+ *
+ * SCRATCH[0] = VB_INSTANCE_BASE
+ */
+.section #mme9097_draw_arrays_indirect_count
+   read $r5 0x50e /* VB_INSTANCE_BASE */
+   maddr 0xd00
+   parm $r6 send $r5 /* start_drawid, save VB_INSTANCE_BASE */
+   parm $r7 /* numparams */
+   parm $r5 /* totaldraws */
+   mov $r5 (sub $r5 $r6) /* draws left */
+   braz $r5 #daic_runout
+   mov $r3 (extrinsrt 0x0 $r5 31 1 0) /* extract high bit */
+   branz annul $r3 #daic_runout
+daic_draw_again:
+   parm $r2 /* count */
+   parm $r3 /* instance_count */
+   parm $r4 maddr 0x35d /* VERTEX_BUFFER_FIRST, start */
+   braz $r3 #daic_end
+   parm $r4 send $r4 /* start_instance */
+   maddr 0x18e3 /* CB_POS */
+   send 0x180 /* 256 + 128 */
+   send 0x0 /* send 0 as base_vertex */
+   send $r4 /* send start_instance */
+   send $r6 /* draw id */
+   maddr 0x50e /* VB_INSTANCE_BASE */
+   send $r4
+   mov $r4 0x1
+   mov $r1 (extrinsrt $r1 0x0 0 1 26) /* clear INSTANCE_NEXT */
+daic_again:
+   maddr 0x586 /* VERTEX_BEGIN_GL */
+   send $r1 /* mode */
+   maddr 0x35e /* VERTEX_BUFFER_COUNT */
+   send $r2
+   mov $r3 (sub $r3 $r4)
+   maddrsend 0x585 /* VERTEX_END_GL */
+   branz $r3 #daic_again
+   mov $r1 (extrinsrt $r1 $r4 0 1 26) /* set INSTANCE_NEXT */
+daic_end:
+   mov $r5 (add $r5 -1)
+   braz $r5 #daic_runout_check
+   mov $r7 (add $r7 -1)
+   branz $r7 #daic_draw_again
+   mov $r6 (add $r6 1)
+daic_restore:
+   read $r5 0xd00
+   exit maddr 0x50e /* VB_INSTANCE_BASE to restore */
+   send $r5
+daic_runout:
+   parm $r2
+   parm $r2
+   parm $r2
+   parm $r2
+   mov $r7 (add $r7 -1)
+daic_runout_check:
+   branz annul $r7 #daic_runout
+   bra annul #daic_restore
diff --git a/src/gallium/drivers/nouveau/nvc0/mme/com9097.mme.h b/src/gallium/drivers/nouveau/nvc0/mme/com9097.mme.h
index 0aebeeb6e66..bf8625e0584 100644
--- a/src/gallium/drivers/nouveau/nvc0/mme/com9097.mme.h
+++ b/src/gallium/drivers/nouveau/nvc0/mme/com9097.mme.h
@@ -207,3 +207,128 @@ uint32_t mme9097_draw_arrays_indirect[] = {
 	0x014380a1,
 	0x00002841,
 };
+
+uint32_t mme9097_draw_elts_indirect_count[] = {
+	0x01434615,
+	0x01438715,
+	0x07400021,
+/* 0x000d: deic_draw_again */
+	0x00003041,
+	0x00003841,
+	0x00000601,
+	0x00000701,
+/* 0x001e: deic_again */
+	0x00000501,
+	0x0005ad10,
+/* 0x0026: deic_end */
+	0x000b2807,
+	0x007f4312,
+/* 0x002e: deic_restore */
+	0x000a9817,
+	0x00002841,
+/* 0x0035: deic_runout */
+	0x00000301,
+/* 0x003b: deic_runout_check */
+	0x00000201,
+	0x017dc451,
+	0x00002431,
+	0x0638c021,
+	0x00600041,
+	0x0004d007,
+	0x00002531,
+	0x00002841,
+	0x00003041,
+	0x05434021,
+	0x00002041,
+	0x00002841,
+	0x01118021,
+	0x00002041,
+	0x00004411,
+	0xd0400912,
+	0x01618021,
+	0x00000841,
+	0x017e0021,
+	0x00001841,
+	0x00051210,
+	0x01614071,
+	0xfffe9017,
+	0xd0410912,
+	0x03408515,
+	0xffffed11,
+	0x0004e807,
+	0xffffff11,
+	0x03408021,
+	0x00002841,
+	0xfff87817,
+	0x00007611,
+	0x03400615,
+	0x03404715,
+	0x05434021,
+	0x00003041,
+	0x00003841,
+	0x011180a1,
+	0x00003041,
+	0x00000201,
+	0x00000201,
+	0x00000201,
+	0x00000201,
+	0x00000201,
+	0xffffff11,
+	0xfffeb837,
+	0xfffc8027,
+};
+
+uint32_t mme9097_draw_arrays_indirect_count[] = {
+	0x01438515,
+	0x03400021,
+/* 0x0009: daic_draw_again */
+	0x00002e31,
+	0x00000701,
+	0x00000501,
+/* 0x0017: daic_again */
+	0x0005ad10,
+	0x00086807,
+/* 0x001f: daic_end */
+	0x007f4312,
+	0x0007d837,
+/* 0x0024: daic_restore */
+/* 0x0027: daic_runout */
+	0x00000201,
+	0x00000301,
+/* 0x002c: daic_runout_check */
+	0x00d74451,
+	0x0004d807,
+	0x00002431,
+	0x0638c021,
+	0x00600041,
+	0x00000041,
+	0x00002041,
+	0x00003041,
+	0x01438021,
+	0x00002041,
+	0x00004411,
+	0xd0400912,
+	0x01618021,
+	0x00000841,
+	0x00d78021,
+	0x00001041,
+	0x00051b10,
+	0x01614071,
+	0xfffe9817,
+	0xd0410912,
+	0xffffed11,
+	0x00032807,
+	0xffffff11,
+	0xfff9f817,
+	0x00007611,
+	0x03400515,
+	0x014380a1,
+	0x00002841,
+	0x00000201,
+	0x00000201,
+	0x00000201,
+	0x00000201,
+	0xffffff11,
+	0xfffef837,
+	0xfffdc027,
+};