Mesa (master): mesa: add gl_constants::AllowMappedBuffersDuringExecution

[Marek Olšák]

Module: Mesa
Branch: master
Commit: d02d8ea8b67f8499fe8f19b36d3aff5cd99c1885
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d02d8ea8b67f8499fe8f19b36d3aff5cd99c1885

Author: Marek Olšák <marek.olsak at amd.com>
Date:   Mon May 15 16:30:30 2017 +0200

mesa: add gl_constants::AllowMappedBuffersDuringExecution

for skipping mapped-buffer checking in every GL draw call

Reviewed-by: Nicolai Hähnle <nicolai.haehnle at amd.com>

---

 src/mesa/main/mtypes.h                 | 3 +++
 src/mesa/state_tracker/st_extensions.c | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 28d3d948fc..efc6920254 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -3908,6 +3908,9 @@ struct gl_constants
 
    /** Used as an input for sha1 generation in the on-disk shader cache */
    unsigned char *dri_config_options_sha1;
+
+   /** When drivers are OK with mapped buffers during draw and other calls. */
+   bool AllowMappedBuffersDuringExecution;
 };
 
 
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index fffc0ef8ee..2fa7ba7797 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -463,6 +463,9 @@ void st_init_limits(struct pipe_screen *screen,
 
    c->SparseBufferPageSize =
       screen->get_param(screen, PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE);
+
+   c->AllowMappedBuffersDuringExecution =
+      screen->get_param(screen, PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION);
 }