freedreno/a6xx: Add multiview registers
[mesa.git] / src / gallium / drivers / freedreno / freedreno_draw.h
index 26a1dbbcaf19ae512715450b79564a53c33a75d5..b508f70f4efa218f3892a00c27ceea7c32e8ed4b 100644 (file)
@@ -1,5 +1,3 @@
-/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
-
 /*
  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
  *
 #include "pipe/p_context.h"
 
 #include "freedreno_context.h"
+#include "freedreno_resource.h"
+#include "freedreno_screen.h"
+#include "freedreno_util.h"
 
 struct fd_ringbuffer;
 
-void fd_draw_emit(struct fd_context *ctx, const struct pipe_draw_info *info);
-
 void fd_draw_init(struct pipe_context *pctx);
 
+static inline void
+fd_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,
+               uint8_t instances,
+               enum pc_di_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_marker(ring, 7);
+
+       if (is_a3xx_p0(batch->ctx->screen)) {
+               /* dummy-draw workaround: */
+               OUT_PKT3(ring, CP_DRAW_INDX, 3);
+               OUT_RING(ring, 0x00000000);
+               OUT_RING(ring, DRAW(1, DI_SRC_SEL_AUTO_INDEX,
+                                                       INDEX_SIZE_IGN, USE_VISIBILITY, 0));
+               OUT_RING(ring, 0);             /* NumIndices */
+
+               /* ugg, hard-code register offset to avoid pulling in the
+                * a3xx register headers into something #included from a2xx
+                */
+               OUT_PKT0(ring, 0x2206, 1);     /* A3XX_HLSQ_CONST_VSPRESV_RANGE_REG */
+               OUT_RING(ring, 0);
+       }
+
+       if (is_a20x(batch->ctx->screen)) {
+               /* a20x has a different draw command for drawing with binning data
+                * note: if we do patching we will have to insert a NOP
+                *
+                * binning data is is 1 byte/vertex (8x8x4 bin position of vertex)
+                * base ptr set by the CP_SET_DRAW_INIT_FLAGS command
+                *
+                * TODO: investigate the faceness_cull_select parameter to see how
+                * it is used with hw binning to use "faceness" bits
+                */
+               uint32_t size = 2;
+               if (vismode)
+                       size += 2;
+               if (idx_buffer)
+                       size += 2;
+
+               BEGIN_RING(ring, size+1);
+               if (vismode)
+                       util_dynarray_append(&batch->draw_patches, uint32_t*, ring->cur);
+
+               OUT_PKT3(ring, vismode ? CP_DRAW_INDX_BIN : CP_DRAW_INDX, size);
+               OUT_RING(ring, 0x00000000);
+               OUT_RING(ring, DRAW_A20X(primtype, DI_FACE_CULL_NONE, src_sel,
+                                                                idx_type, vismode, vismode, count));
+               if (vismode == USE_VISIBILITY) {
+                       OUT_RING(ring, batch->num_vertices);
+                       OUT_RING(ring, count);
+               }
+       } else {
+               OUT_PKT3(ring, CP_DRAW_INDX, idx_buffer ? 5 : 3);
+               OUT_RING(ring, 0x00000000);        /* viz query info. */
+               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, DRAW(primtype, src_sel, idx_type, 0, instances),
+                                       &batch->draw_patches);
+               } else {
+                       OUT_RING(ring, DRAW(primtype, src_sel, idx_type, vismode, instances));
+               }
+               OUT_RING(ring, count);             /* NumIndices */
+       }
+
+       if (idx_buffer) {
+               OUT_RELOC(ring, fd_resource(idx_buffer)->bo, idx_offset, 0, 0);
+               OUT_RING (ring, idx_size);
+       }
+
+       emit_marker(ring, 7);
+
+       fd_reset_wfi(batch);
+}
+
+
+static inline enum pc_di_index_size
+size2indextype(unsigned index_size)
+{
+       switch (index_size) {
+       case 1: return INDEX_SIZE_8_BIT;
+       case 2: return INDEX_SIZE_16_BIT;
+       case 4: return INDEX_SIZE_32_BIT;
+       }
+       DBG("unsupported index size: %d", index_size);
+       assert(0);
+       return INDEX_SIZE_IGN;
+}
+
+/* this is same for a2xx/a3xx, so split into helper: */
+static inline void
+fd_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,
+               unsigned index_offset)
+{
+       struct pipe_resource *idx_buffer = NULL;
+       enum pc_di_index_size idx_type = INDEX_SIZE_IGN;
+       enum pc_di_src_sel src_sel;
+       uint32_t idx_size, idx_offset;
+
+       if (info->index_size) {
+               assert(!info->has_user_indices);
+
+               idx_buffer = info->index.resource;
+               idx_type = size2indextype(info->index_size);
+               idx_size = info->index_size * info->count;
+               idx_offset = index_offset + info->start * info->index_size;
+               src_sel = DI_SRC_SEL_DMA;
+       } else {
+               idx_buffer = NULL;
+               idx_type = INDEX_SIZE_IGN;
+               idx_size = 0;
+               idx_offset = 0;
+               src_sel = DI_SRC_SEL_AUTO_INDEX;
+       }
+
+       fd_draw(batch, ring, primtype, vismode, src_sel,
+                       info->count, info->instance_count - 1,
+                       idx_type, idx_size, idx_offset, idx_buffer);
+}
+
 #endif /* FREEDRENO_DRAW_H_ */