nvc0: import nvc0 gallium driver

1 files changed, 322 insertions, 0 deletions

diff --git a/src/gallium/drivers/nvc0/nvc0_transfer.c b/src/gallium/drivers/nvc0/nvc0_transfer.c
new file mode 100644
index 0000000000..adf9192943
--- /dev/null
+++ b/src/gallium/drivers/nvc0/nvc0_transfer.c
@@ -0,0 +1,322 @@
+
+#include "util/u_format.h"
+
+#include "nvc0_context.h"
+#include "nvc0_transfer.h"
+
+#include "nv50_defs.xml.h"
+
+struct nvc0_transfer {
+   struct pipe_transfer base;
+   struct nvc0_m2mf_rect rect[2];
+   uint32_t nblocksx;
+   uint32_t nblocksy;
+};
+
+static void
+nvc0_m2mf_transfer_rect(struct pipe_screen *pscreen,
+                        const struct nvc0_m2mf_rect *dst,
+                        const struct nvc0_m2mf_rect *src,
+                        uint32_t nblocksx, uint32_t nblocksy)
+{
+   struct nouveau_channel *chan = nouveau_screen(pscreen)->channel;
+   const int cpp = dst->cpp;
+   uint32_t src_ofst = src->base;
+   uint32_t dst_ofst = dst->base;
+   uint32_t height = nblocksy;
+   uint32_t sy = src->y;
+   uint32_t dy = dst->y;
+   uint32_t exec = (1 << 20);
+
+   assert(dst->cpp == src->cpp);
+
+   if (src->bo->tile_flags) {      
+      BEGIN_RING(chan, RING_MF(TILING_MODE_IN), 5);
+      OUT_RING  (chan, src->tile_mode);
+      OUT_RING  (chan, src->width * cpp);
+      OUT_RING  (chan, src->height);
+      OUT_RING  (chan, src->depth);
+      OUT_RING  (chan, src->z);
+   } else {
+      src_ofst += src->y * src->pitch + src->x * cpp;
+
+      BEGIN_RING(chan, RING_MF(PITCH_IN), 1);
+      OUT_RING  (chan, src->width * cpp);
+
+      exec |= NVC0_M2MF_EXEC_LINEAR_IN;
+   }
+
+   if (dst->bo->tile_flags) {
+      BEGIN_RING(chan, RING_MF(TILING_MODE_OUT), 5);
+      OUT_RING  (chan, dst->tile_mode);
+      OUT_RING  (chan, dst->width * cpp);
+      OUT_RING  (chan, dst->height);
+      OUT_RING  (chan, dst->depth);
+      OUT_RING  (chan, dst->z);
+   } else {
+      dst_ofst += dst->y * dst->pitch + dst->x * cpp;
+
+      BEGIN_RING(chan, RING_MF(PITCH_OUT), 1);
+      OUT_RING  (chan, dst->width * cpp);
+
+      exec |= NVC0_M2MF_EXEC_LINEAR_OUT;
+   }
+
+   while (height) {
+      int line_count = height > 2047 ? 2047 : height;
+
+      MARK_RING (chan, 17, 4);
+
+      BEGIN_RING(chan, RING_MF(OFFSET_IN_HIGH), 2);
+      OUT_RELOCh(chan, src->bo, src_ofst, src->domain | NOUVEAU_BO_RD);
+      OUT_RELOCl(chan, src->bo, src_ofst, src->domain | NOUVEAU_BO_RD);
+
+      BEGIN_RING(chan, RING_MF(OFFSET_OUT_HIGH), 2);
+      OUT_RELOCh(chan, dst->bo, dst_ofst, dst->domain | NOUVEAU_BO_WR);
+      OUT_RELOCl(chan, dst->bo, dst_ofst, dst->domain | NOUVEAU_BO_WR);
+
+      if (!(exec & NVC0_M2MF_EXEC_LINEAR_IN)) {
+         BEGIN_RING(chan, RING_MF(TILING_POSITION_IN_X), 2);
+         OUT_RING  (chan, src->x * cpp);
+         OUT_RING  (chan, sy);
+      } else {
+         src_ofst += line_count * src->pitch;
+      }
+      if (!(exec & NVC0_M2MF_EXEC_LINEAR_OUT)) {
+         BEGIN_RING(chan, RING_MF(TILING_POSITION_OUT_X), 2);
+         OUT_RING  (chan, dst->x * cpp);
+         OUT_RING  (chan, dy);
+      } else {
+         dst_ofst += line_count * dst->pitch;
+      }
+
+      BEGIN_RING(chan, RING_MF(LINE_LENGTH_IN), 2);
+      OUT_RING  (chan, nblocksx * cpp);
+      OUT_RING  (chan, line_count);
+      BEGIN_RING(chan, RING_MF(EXEC), 1);
+      OUT_RING  (chan, exec);
+
+      height -= line_count;
+      sy += line_count;
+      dy += line_count;
+   }
+}
+
+void
+nvc0_m2mf_push_linear(struct nvc0_context *nvc0,
+                      struct nouveau_bo *dst, unsigned domain, int offset,
+                      unsigned size, void *data)
+{
+   struct nouveau_channel *chan = nvc0->screen->base.channel;
+   uint32_t *src = (uint32_t *)data;
+   unsigned count = (size + 3) / 4;
+
+   BEGIN_RING(chan, RING_MF(OFFSET_OUT_HIGH), 2);
+   OUT_RELOCh(chan, dst, offset, domain | NOUVEAU_BO_WR);
+   OUT_RELOCl(chan, dst, offset, domain | NOUVEAU_BO_WR);
+   BEGIN_RING(chan, RING_MF(LINE_LENGTH_IN), 2);
+   OUT_RING  (chan, size);
+   OUT_RING  (chan, 1);
+   BEGIN_RING(chan, RING_MF(EXEC), 1);
+   OUT_RING  (chan, 0x100111);
+
+   while (count) {
+      unsigned nr = AVAIL_RING(chan);
+
+      if (nr < 9) {
+         FIRE_RING(chan);
+         continue;
+      }
+      nr = MIN2(count, nr - 1);
+      nr = MIN2(nr, NV04_PFIFO_MAX_PACKET_LEN);
+   
+      BEGIN_RING_NI(chan, RING_MF(DATA), nr);
+      OUT_RINGp (chan, src, nr);
+
+      src += nr;
+      count -= nr;
+   }
+}
+
+static void
+nvc0_sifc_push_rect(struct pipe_screen *pscreen,
+                    const struct nvc0_m2mf_rect *dst, unsigned dst_format,
+                    unsigned src_format, unsigned src_pitch, void *src,
+                    unsigned nblocksx, unsigned nblocksy)
+{
+   struct nouveau_channel *chan;
+
+   if (dst->bo->tile_flags) {
+      BEGIN_RING(chan, RING_2D(DST_FORMAT), 5);
+      OUT_RING  (chan, dst_format);
+      OUT_RING  (chan, 0);
+      OUT_RING  (chan, dst->tile_mode);
+      OUT_RING  (chan, 1);
+      OUT_RING  (chan, 0);
+   } else {
+      BEGIN_RING(chan, RING_2D(DST_FORMAT), 2);
+      OUT_RING  (chan, NV50_SURFACE_FORMAT_A8R8G8B8_UNORM);
+      OUT_RING  (chan, 1);
+      BEGIN_RING(chan, RING_2D(DST_PITCH), 1);
+      OUT_RING  (chan, dst->pitch);
+   }
+
+   BEGIN_RING(chan, RING_2D(DST_WIDTH), 4);
+   OUT_RING  (chan, dst->width);
+   OUT_RING  (chan, dst->height);
+   OUT_RELOCh(chan, dst->bo, dst->base, dst->domain | NOUVEAU_BO_WR);
+   OUT_RELOCl(chan, dst->bo, dst->base, dst->domain | NOUVEAU_BO_WR);
+
+   BEGIN_RING(chan, RING_2D(SIFC_BITMAP_ENABLE), 2);
+   OUT_RING  (chan, 0);
+   OUT_RING  (chan, src_format);
+   BEGIN_RING(chan, RING_2D(SIFC_WIDTH), 10);
+   OUT_RING  (chan, nblocksx);
+   OUT_RING  (chan, nblocksy);
+   OUT_RING  (chan, 0);
+   OUT_RING  (chan, 1);
+   OUT_RING  (chan, 0);
+   OUT_RING  (chan, 1);
+   OUT_RING  (chan, 0);
+   OUT_RING  (chan, dst->x);
+   OUT_RING  (chan, 0);
+   OUT_RING  (chan, dst->y);
+
+   while (nblocksy) {
+
+      src = (uint8_t *)src + src_pitch;
+   }
+}
+
+struct pipe_transfer *
+nvc0_miptree_transfer_new(struct pipe_context *pctx,
+                          struct pipe_resource *res,
+                          struct pipe_subresource sr,
+                          unsigned usage,
+                          const struct pipe_box *box)
+{
+   struct nvc0_context *nvc0 = nvc0_context(pctx);
+   struct pipe_screen *pscreen = pctx->screen;
+   struct nouveau_device *dev = nvc0->screen->base.device;
+   struct nvc0_miptree *mt = nvc0_miptree(res);
+   struct nvc0_miptree_level *lvl = &mt->level[sr.level];
+   struct nvc0_transfer *tx;
+   uint32_t image;
+   uint32_t w, h, z;
+   int ret;
+
+   if (res->target == PIPE_TEXTURE_CUBE)
+      image = sr.face;
+   else
+      image = 0;
+
+   tx = CALLOC_STRUCT(nvc0_transfer);
+   if (!tx)
+      return NULL;
+
+   pipe_resource_reference(&tx->base.resource, res);
+
+   tx->base.sr = sr;
+   tx->base.usage = usage;
+   tx->base.box = *box;
+
+   tx->nblocksx = util_format_get_nblocksx(res->format, box->width);
+   tx->nblocksy = util_format_get_nblocksy(res->format, box->height);
+
+   tx->base.stride = tx->nblocksx * util_format_get_blocksize(res->format);
+
+   w = u_minify(res->width0, sr.level);
+   h = u_minify(res->height0, sr.level);
+
+   tx->rect[0].cpp = tx->rect[1].cpp = util_format_get_blocksize(res->format);
+
+   tx->rect[0].bo = mt->base.bo;
+   tx->rect[0].base = lvl->image_offset[image];
+   tx->rect[0].tile_mode = lvl->tile_mode;
+   tx->rect[0].x = util_format_get_nblocksx(res->format, box->x);
+   tx->rect[0].y = util_format_get_nblocksx(res->format, box->y);
+   tx->rect[0].z = box->z;
+   tx->rect[0].width = util_format_get_nblocksx(res->format, w);
+   tx->rect[0].height = util_format_get_nblocksx(res->format, h);
+   tx->rect[0].depth = res->depth0;
+   tx->rect[0].pitch = lvl->pitch;
+   tx->rect[0].domain = NOUVEAU_BO_VRAM;
+
+   ret = nouveau_bo_new(dev, NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0,
+                        tx->nblocksy * tx->base.stride, &tx->rect[1].bo);
+   if (ret) {
+      FREE(tx);
+      return NULL;
+   }
+
+   tx->rect[1].width = tx->nblocksx;
+   tx->rect[1].height = tx->nblocksy;
+   tx->rect[1].depth = box->depth;
+   tx->rect[1].pitch = tx->base.stride;
+   tx->rect[1].domain = NOUVEAU_BO_GART;
+
+   if (usage & PIPE_TRANSFER_READ) {
+      for (z = 0; z < box->depth; ++z) {
+         nvc0_m2mf_transfer_rect(pscreen, &tx->rect[1], &tx->rect[0],
+                                 tx->nblocksx, tx->nblocksy);
+         tx->rect[0].z++;
+      }
+   }
+   tx->rect[0].z = box->z;
+
+   return &tx->base;
+}
+
+void
+nvc0_miptree_transfer_del(struct pipe_context *pctx,
+                          struct pipe_transfer *transfer)
+{
+   struct pipe_screen *pscreen = pctx->screen;
+   struct nvc0_transfer *tx = (struct nvc0_transfer *)transfer;
+   unsigned z;
+
+   if (tx->base.usage & PIPE_TRANSFER_WRITE) {
+      for (z = 0; z < tx->base.box.depth; ++z) {
+         nvc0_m2mf_transfer_rect(pscreen, &tx->rect[0], &tx->rect[1],
+                                 tx->nblocksx, tx->nblocksy);
+         tx->rect[0].z++;
+      }
+   }
+
+   nouveau_bo_ref(NULL, &tx->rect[1].bo);
+   pipe_resource_reference(&transfer->resource, NULL);
+
+   FREE(tx);
+}
+
+void *
+nvc0_miptree_transfer_map(struct pipe_context *pctx,
+                          struct pipe_transfer *transfer)
+{
+   struct nvc0_transfer *tx = (struct nvc0_transfer *)transfer;
+   int ret;
+   unsigned flags = 0;
+
+   if (tx->rect[1].bo->map)
+      return tx->rect[1].bo->map;
+
+   if (transfer->usage & PIPE_TRANSFER_READ)
+      flags = NOUVEAU_BO_RD;
+   if (transfer->usage & PIPE_TRANSFER_WRITE)
+      flags |= NOUVEAU_BO_WR;
+
+   ret = nouveau_bo_map(tx->rect[1].bo, flags);
+   if (ret)
+      return NULL;
+   return tx->rect[1].bo->map;
+}
+
+void
+nvc0_miptree_transfer_unmap(struct pipe_context *pctx,
+                            struct pipe_transfer *transfer)
+{
+   struct nvc0_transfer *tx = (struct nvc0_transfer *)transfer;
+
+   nouveau_bo_unmap(tx->rect[1].bo);
+}
+