nvc0: add support for indirect drawing

Reviewed-by: Ilia Mirkin <[email protected]>

2 files changed, 131 insertions, 0 deletions

diff --git a/src/gallium/drivers/nouveau/nvc0/mme/com9097.mme b/src/gallium/drivers/nouveau/nvc0/mme/com9097.mme
index da9975b5eb1..07e4519d794 100644
--- a/src/gallium/drivers/nouveau/nvc0/mme/com9097.mme
+++ b/src/gallium/drivers/nouveau/nvc0/mme/com9097.mme
@@ -223,3 +223,78 @@ locn_0a_ts:
 locn_0f_ts:
    exit maddr 0xbb
    send $r6
+
+/* NVC0_3D_MACRO_DRAW_ELEMENTS_INDIRECT
+ *
+ * NOTE: Saves and restores VB_ELEMENT,INSTANCE_BASE.
+ *
+ * arg     = mode
+ * parm[0] = count
+ * parm[1] = instance_count
+ * parm[2] = start
+ * parm[3] = index_bias
+ * parm[4] = start_instance
+ */
+.section #mme9097_draw_elts_indirect
+   parm $r3 /* count */
+   parm $r2 /* instance_count */
+   parm $r4 maddr 0x5f7 /* INDEX_BATCH_FIRST, start */
+   parm $r4 send $r4 /* index_bias, send start */
+   braz $r2 #dei_end
+   parm $r5 /* start_instance */
+   read $r6 0x50d /* VB_ELEMENT_BASE */
+   read $r7 0x50e /* VB_INSTANCE_BASE */
+   maddr 0x150d /* VB_ELEMENT,INSTANCE_BASE */
+   send $r4
+   send $r5
+   mov $r4 0x1
+dei_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 #dei_again
+   mov $r1 (extrinsrt $r1 $r4 0 1 26) /* set INSTANCE_NEXT */
+   maddr 0x150d /* VB_ELEMENT,INSTANCE_BASE */
+   exit send $r6
+   send $r7
+dei_end:
+   exit
+   nop
+
+/* NVC0_3D_MACRO_DRAW_ARRAYS_INDIRECT:
+ *
+ * NOTE: Saves and restores VB_INSTANCE_BASE.
+ *
+ * arg     = mode
+ * parm[0] = count
+ * parm[1] = instance_count
+ * parm[2] = start
+ * parm[3] = start_instance
+ */
+.section #mme9097_draw_arrays_indirect
+   parm $r2 /* count */
+   parm $r3 /* instance_count */
+   parm $r4 maddr 0x35d /* VERTEX_BUFFER_FIRST, start */
+   parm $r4 send $r4 /* start_instance */
+   braz $r3 #dai_end
+   read $r6 0x50e /* VB_INSTANCE_BASE */
+   maddr 0x50e /* VB_INSTANCE_BASE */
+   mov $r5 0x1
+   send $r4
+dai_again:
+   maddr 0x586 /* VERTEX_BEGIN_GL */
+   send $r1 /* mode */
+   maddr 0x35e /* VERTEX_BUFFER_COUNT */
+   send $r2
+   mov $r3 (sub $r3 $r5)
+   maddrsend 0x585 /* VERTEX_END_GL */
+   branz $r3 #dai_again
+   mov $r1 (extrinsrt $r1 $r5 0 1 26) /* set INSTANCE_NEXT */
+   exit maddr 0x50e /* VB_INSTANCE_BASE to restore */
+   send $r6
+dai_end:
+   exit
+   nop
diff --git a/src/gallium/drivers/nouveau/nvc0/mme/com9097.mme.h b/src/gallium/drivers/nouveau/nvc0/mme/com9097.mme.h
index fd81a2f130e..654bf931563 100644
--- a/src/gallium/drivers/nouveau/nvc0/mme/com9097.mme.h
+++ b/src/gallium/drivers/nouveau/nvc0/mme/com9097.mme.h
@@ -123,3 +123,59 @@ uint32_t mme9097_tep_select[] = {
 	0x002ec0a1,
 	0x00003041,
 };
+
+uint32_t mme9097_draw_elts_indirect[] = {
+	0x00000301,
+	0x00000201,
+	0x017dc451,
+/* 0x000c: dei_again */
+	0x00002431,
+	0x0004d007,
+/* 0x0017: dei_end */
+	0x00000501,
+	0x01434615,
+	0x01438715,
+	0x05434021,
+	0x00002041,
+	0x00002841,
+	0x00004411,
+	0x01618021,
+	0x00000841,
+	0x017e0021,
+	0x00001841,
+	0x00051210,
+	0x01614071,
+	0xfffe9017,
+	0xd0410912,
+	0x05434021,
+	0x000030c1,
+	0x00003841,
+	0x00000091,
+	0x00000011,
+};
+
+uint32_t mme9097_draw_arrays_indirect[] = {
+	0x00000201,
+	0x00000301,
+/* 0x0009: dai_again */
+	0x00d74451,
+	0x00002431,
+/* 0x0013: dai_end */
+	0x0003d807,
+	0x01438615,
+	0x01438021,
+	0x00004511,
+	0x00002041,
+	0x01618021,
+	0x00000841,
+	0x00d78021,
+	0x00001041,
+	0x00055b10,
+	0x01614071,
+	0xfffe9817,
+	0xd0414912,
+	0x014380a1,
+	0x00003041,
+	0x00000091,
+	0x00000011,
+};