a4xx: add noperspective interpolation support
[mesa.git] / src / gallium / drivers / freedreno / freedreno_resource.h
index 478417e6ba35692e46ef12969212f87571741c6b..10b7f40f36f8c7df981f51ad252dd271ec128333 100644 (file)
 #include "util/list.h"
 #include "util/u_range.h"
 #include "util/u_transfer_helper.h"
+#include "util/simple_mtx.h"
 
 #include "freedreno_batch.h"
 #include "freedreno_util.h"
 #include "freedreno/fdl/freedreno_layout.h"
 
+enum fd_lrz_direction {
+       FD_LRZ_UNKNOWN,
+       /* Depth func less/less-than: */
+       FD_LRZ_LESS,
+       /* Depth func greater/greater-than: */
+       FD_LRZ_GREATER,
+};
+
 struct fd_resource {
        struct pipe_resource base;
        struct fd_bo *bo;
@@ -50,6 +59,8 @@ struct fd_resource {
        /* TODO rename to secondary or auxiliary? */
        struct fd_resource *stencil;
 
+       simple_mtx_t lock;
+
        /* bitmask of in-flight batches which reference this resource.  Note
         * that the batch doesn't hold reference to resources (but instead
         * the fd_ringbuffer holds refs to the underlying fd_bo), but in case
@@ -71,6 +82,11 @@ struct fd_resource {
        /* Sequence # incremented each time bo changes: */
        uint16_t seqno;
 
+       /* bitmask of state this resource could potentially dirty when rebound,
+        * see rebind_resource()
+        */
+       enum fd_dirty_3d_state dirty;
+
        /*
         * LRZ
         *
@@ -78,6 +94,7 @@ struct fd_resource {
         * fdl_layout
         */
        bool lrz_valid : 1;
+       enum fd_lrz_direction lrz_direction : 2;
        uint16_t lrz_width;  // for lrz clear, does this differ from lrz_pitch?
        uint16_t lrz_height;
        uint16_t lrz_pitch;
@@ -113,6 +130,40 @@ pending(struct fd_resource *rsc, bool write)
        return false;
 }
 
+static inline bool
+fd_resource_busy(struct fd_resource *rsc, unsigned op)
+{
+       return fd_bo_cpu_prep(rsc->bo, NULL, op | DRM_FREEDRENO_PREP_NOSYNC) != 0;
+}
+
+static inline void
+fd_resource_lock(struct fd_resource *rsc)
+{
+       simple_mtx_lock(&rsc->lock);
+}
+
+static inline void
+fd_resource_unlock(struct fd_resource *rsc)
+{
+       simple_mtx_unlock(&rsc->lock);
+}
+
+static inline void
+fd_resource_set_usage(struct pipe_resource *prsc, enum fd_dirty_3d_state usage)
+{
+       if (!prsc)
+               return;
+       struct fd_resource *rsc = fd_resource(prsc);
+       /* Bits are only ever ORed in, and we expect many set_usage() per
+        * resource, so do the quick check outside of the lock.
+        */
+       if (likely(rsc->dirty & usage))
+               return;
+       fd_resource_lock(rsc);
+       rsc->dirty |= usage;
+       fd_resource_unlock(rsc);
+}
+
 static inline bool
 has_depth(enum pipe_format format)
 {
@@ -203,4 +254,22 @@ void fd_resource_uncompress(struct fd_context *ctx, struct fd_resource *rsc);
 
 bool fd_render_condition_check(struct pipe_context *pctx);
 
+static inline bool
+fd_batch_references_resource(struct fd_batch *batch, struct fd_resource *rsc)
+{
+       return rsc->batch_mask & (1 << batch->idx);
+}
+
+static inline void
+fd_batch_resource_read(struct fd_batch *batch,
+               struct fd_resource *rsc)
+{
+       /* Fast path: if we hit this then we know we don't have anyone else
+        * writing to it (since both _write and _read flush other writers), and
+        * that we've already recursed for stencil.
+        */
+       if (unlikely(!fd_batch_references_resource(batch, rsc)))
+               fd_batch_resource_read_slowpath(batch, rsc);
+}
+
 #endif /* FREEDRENO_RESOURCE_H_ */