freedreno/a5xx: initial support

Signed-off-by: Rob Clark <[email protected]>

1 files changed, 113 insertions, 0 deletions

diff --git a/src/gallium/drivers/freedreno/a5xx/fd5_draw.h b/src/gallium/drivers/freedreno/a5xx/fd5_draw.h
new file mode 100644
index 00000000000..677bedf4f1c
--- /dev/null
+++ b/src/gallium/drivers/freedreno/a5xx/fd5_draw.h
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2016 Rob Clark <[email protected]>
+ *
+ * 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.
+ *
+ * Authors:
+ *    Rob Clark <[email protected]>
+ */
+
+#ifndef FD5_DRAW_H_
+#define FD5_DRAW_H_
+
+#include "pipe/p_context.h"
+
+#include "freedreno_draw.h"
+
+/* some bits in common w/ a4xx: */
+#include "a4xx/fd4_draw.h"
+
+void fd5_draw_init(struct pipe_context *pctx);
+
+static inline void
+fd5_draw(struct fd_batch *batch, struct fd_ringbuffer *ring,
+		enum pc_di_primtype primtype,
+		enum pc_di_vis_cull_mode vismode,
+		enum pc_di_src_sel src_sel, uint32_t count,
+		uint32_t instances, enum a4xx_index_size idx_type,
+		uint32_t idx_size, uint32_t idx_offset,
+		struct pipe_resource *idx_buffer)
+{
+	/* for debug after a lock up, write a unique counter value
+	 * to scratch7 for each draw, to make it easier to match up
+	 * register dumps to cmdstream.  The combination of IB
+	 * (scratch6) and DRAW is enough to "triangulate" the
+	 * particular draw that caused lockup.
+	 */
+	emit_marker5(ring, 7);
+
+	OUT_PKT7(ring, CP_DRAW_INDX_OFFSET, idx_buffer ? 6 : 3);
+	if (vismode == USE_VISIBILITY) {
+		/* leave vis mode blank for now, it will be patched up when
+		 * we know if we are binning or not
+		 */
+		OUT_RINGP(ring, DRAW4(primtype, src_sel, idx_type, 0),
+				&batch->draw_patches);
+	} else {
+		OUT_RING(ring, DRAW4(primtype, src_sel, idx_type, vismode));
+	}
+	OUT_RING(ring, instances);         /* NumInstances */
+	OUT_RING(ring, count);             /* NumIndices */
+	if (idx_buffer) {
+		OUT_RING(ring, 0x0);           /* XXX */
+		OUT_RELOC(ring, fd_resource(idx_buffer)->bo, idx_offset, 0, 0);
+		OUT_RING (ring, idx_size);
+	}
+
+	emit_marker5(ring, 7);
+
+	fd_reset_wfi(batch);
+}
+
+static inline void
+fd5_draw_emit(struct fd_batch *batch, struct fd_ringbuffer *ring,
+		enum pc_di_primtype primtype,
+		enum pc_di_vis_cull_mode vismode,
+		const struct pipe_draw_info *info)
+{
+	struct pipe_resource *idx_buffer = NULL;
+	enum a4xx_index_size idx_type;
+	enum pc_di_src_sel src_sel;
+	uint32_t idx_size, idx_offset;
+
+	if (info->indexed) {
+		struct pipe_index_buffer *idx = &batch->ctx->indexbuf;
+
+		assert(!idx->user_buffer);
+
+		idx_buffer = idx->buffer;
+		idx_type = fd4_size2indextype(idx->index_size);
+		idx_size = idx->index_size * info->count;
+		idx_offset = idx->offset + (info->start * idx->index_size);
+		src_sel = DI_SRC_SEL_DMA;
+	} else {
+		idx_buffer = NULL;
+		idx_type = INDEX4_SIZE_32_BIT;
+		idx_size = 0;
+		idx_offset = 0;
+		src_sel = DI_SRC_SEL_AUTO_INDEX;
+	}
+
+	fd5_draw(batch, ring, primtype, vismode, src_sel,
+			info->count, info->instance_count,
+			idx_type, idx_size, idx_offset, idx_buffer);
+}
+
+#endif /* FD5_DRAW_H_ */