nouveau: add ARB_buffer_storage support

Signed-off-by: Ilia Mirkin <[email protected]>

3 files changed, 34 insertions, 1 deletions

diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_context.c b/src/gallium/drivers/nouveau/nvc0/nvc0_context.c
index e0c2b74e196..0e13556631a 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_context.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_context.c
@@ -57,6 +57,26 @@ nvc0_texture_barrier(struct pipe_context *pipe)
 }
 
 static void
+nvc0_memory_barrier(struct pipe_context *pipe, unsigned flags)
+{
+   struct nvc0_context *nvc0 = nvc0_context(pipe);
+   int i;
+
+   if (flags & PIPE_BARRIER_MAPPED_BUFFER) {
+      for (i = 0; i < nvc0->num_vtxbufs; ++i) {
+         if (!nvc0->vtxbuf[i].buffer)
+            continue;
+         if (nvc0->vtxbuf[i].buffer->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT)
+            nvc0->base.vbo_dirty = TRUE;
+      }
+
+      if (nvc0->idxbuf.buffer &&
+          nvc0->idxbuf.buffer->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT)
+         nvc0->base.vbo_dirty = TRUE;
+   }
+}
+
+static void
 nvc0_context_unreference_resources(struct nvc0_context *nvc0)
 {
    unsigned s, i;
@@ -264,6 +284,7 @@ nvc0_create(struct pipe_screen *pscreen, void *priv)
 
    pipe->flush = nvc0_flush;
    pipe->texture_barrier = nvc0_texture_barrier;
+   pipe->memory_barrier = nvc0_memory_barrier;
    pipe->get_sample_position = nvc0_context_get_sample_position;
 
    if (!screen->cur_ctx) {
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
index 045b491c1b6..815c34f1759 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
@@ -152,6 +152,7 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_TEXTURE_BARRIER:
    case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
    case PIPE_CAP_START_INSTANCE:
+   case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
       return 1;
    case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
       return 0; /* state trackers will know better */
@@ -179,7 +180,6 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
       return PIPE_ENDIAN_LITTLE;
    case PIPE_CAP_TGSI_VS_LAYER:
    case PIPE_CAP_TEXTURE_GATHER_SM5:
-   case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
    case PIPE_CAP_FAKE_SW_MSAA:
       return 0;
    case PIPE_CAP_MAX_VIEWPORTS:
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_vbo.c b/src/gallium/drivers/nouveau/nvc0/nvc0_vbo.c
index 490d16eda03..c05878ff5b5 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_vbo.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_vbo.c
@@ -797,6 +797,7 @@ nvc0_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
 {
    struct nvc0_context *nvc0 = nvc0_context(pipe);
    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
+   int i;
 
    /* NOTE: caller must ensure that (min_index + index_bias) is >= 0 */
    nvc0->vb_elt_first = info->min_index + info->index_bias;
@@ -846,6 +847,17 @@ nvc0_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
       PUSH_DATA (push, info->start_instance);
    }
 
+   for (i = 0; i < nvc0->num_vtxbufs && !nvc0->base.vbo_dirty; ++i) {
+      if (!nvc0->vtxbuf[i].buffer)
+         continue;
+      if (nvc0->vtxbuf[i].buffer->flags & PIPE_RESOURCE_FLAG_MAP_COHERENT)
+         nvc0->base.vbo_dirty = TRUE;
+   }
+
+   if (!nvc0->base.vbo_dirty && nvc0->idxbuf.buffer &&
+       nvc0->idxbuf.buffer->flags & PIPE_RESOURCE_FLAG_MAP_COHERENT)
+      nvc0->base.vbo_dirty = TRUE;
+
    if (nvc0->base.vbo_dirty) {
       IMMED_NVC0(push, NVC0_3D(VERTEX_ARRAY_FLUSH), 0);
       nvc0->base.vbo_dirty = FALSE;