1 files changed, 93 insertions, 0 deletions
diff --git a/src/gallium/drivers/nouveau/nouveau_push.h b/src/gallium/drivers/nouveau/nouveau_push.h
new file mode 100644
index 0000000000..9c235080a5
--- /dev/null
+++ b/src/gallium/drivers/nouveau/nouveau_push.h
@@ -0,0 +1,93 @@
+#ifndef __NOUVEAU_PUSH_H__
+#define __NOUVEAU_PUSH_H__
+
+#include "nouveau/nouveau_winsys.h"
+
+#ifndef NOUVEAU_PUSH_CONTEXT
+#error undefined push context
+#endif
+
+#define OUT_RING(data) do {                                                    \
+	NOUVEAU_PUSH_CONTEXT(pc);                                              \
+	(*pc->base.channel->pushbuf->cur++) = (data);                          \
+} while(0)
+
+#define OUT_RINGp(src,size) do {                                               \
+	NOUVEAU_PUSH_CONTEXT(pc);                                              \
+	memcpy(pc->base.channel->pushbuf->cur, (src), (size) * 4);             \
+	pc->base.channel->pushbuf->cur += (size);                              \
+} while(0)
+
+#define OUT_RINGf(data) do {                                                   \
+	union { float v; uint32_t u; } c;                                      \
+	c.v = (data);                                                          \
+	OUT_RING(c.u);                                                         \
+} while(0)
+
+#define BEGIN_RING(obj,mthd,size) do {                                         \
+	NOUVEAU_PUSH_CONTEXT(pc);                                              \
+	struct nouveau_channel *chan = pc->base.channel;                       \
+	if (chan->pushbuf->remaining < ((size) + 1))                           \
+		nouveau_pushbuf_flush(chan, ((size) + 1));                     \
+	OUT_RING((pc->obj->subc << 13) | ((size) << 18) | (mthd));             \
+	chan->pushbuf->remaining -= ((size) + 1);                              \
+} while(0)
+
+#define BEGIN_RING_NI(obj,mthd,size) do {                                      \
+	BEGIN_RING(obj, (mthd) | 0x40000000, (size));                          \
+} while(0)
+
+static inline void
+DO_FIRE_RING(struct nouveau_channel *chan, struct pipe_fence_handle **fence)
+{
+	nouveau_pushbuf_flush(chan, 0);
+	if (fence)
+		*fence = NULL;
+}
+
+#define FIRE_RING(fence) do {                                                  \
+	NOUVEAU_PUSH_CONTEXT(pc);                                              \
+	DO_FIRE_RING(pc->base.channel, fence);                                 \
+} while(0)
+
+#define OUT_RELOC(bo,data,flags,vor,tor) do {                                  \
+	NOUVEAU_PUSH_CONTEXT(pc);                                              \
+	struct nouveau_channel *chan = pc->base.channel;                       \
+	nouveau_pushbuf_emit_reloc(chan, chan->pushbuf->cur++, nouveau_bo(bo), \
+				   (data), 0, (flags), (vor), (tor));          \
+} while(0)
+
+/* Raw data + flags depending on FB/TT buffer */
+#define OUT_RELOCd(bo,data,flags,vor,tor) do {                                 \
+	OUT_RELOC((bo), (data), (flags) | NOUVEAU_BO_OR, (vor), (tor));        \
+} while(0)
+
+/* FB/TT object handle */
+#define OUT_RELOCo(bo,flags) do {                                              \
+	OUT_RELOC((bo), 0, (flags) | NOUVEAU_BO_OR,                            \
+		  pc->base.channel->vram->handle,                              \
+		  pc->base.channel->gart->handle);                             \
+} while(0)
+
+/* Low 32-bits of offset */
+#define OUT_RELOCl(bo,delta,flags) do {                                        \
+	OUT_RELOC((bo), (delta), (flags) | NOUVEAU_BO_LOW, 0, 0);              \
+} while(0)
+
+/* High 32-bits of offset */
+#define OUT_RELOCh(bo,delta,flags) do {                                        \
+	OUT_RELOC((bo), (delta), (flags) | NOUVEAU_BO_HIGH, 0, 0);             \
+} while(0)
+
+/* A reloc which'll recombine into a NV_DMA_METHOD packet header */
+#define OUT_RELOCm(bo, flags, obj, mthd, size) do {                            \
+	NOUVEAU_PUSH_CONTEXT(pc);                                              \
+	struct nouveau_channel *chan = pc->base.channel;                       \
+	if (chan->pushbuf->remaining < ((size) + 1))                           \
+		nouveau_pushbuf_flush(chan, ((size) + 1));                     \
+	OUT_RELOCd((bo), (pc->obj->subc << 13) | ((size) << 18) | (mthd),      \
+		   (flags), 0, 0);                                             \
+	chan->pushbuf->remaining -= ((size) + 1);                              \
+} while(0)
+
+#endif