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-rw-r--r--src/mesa/state_tracker/st_cb_bufferobjects.c3
-rw-r--r--src/mesa/vbo/vbo_exec_draw.c28
2 files changed, 22 insertions, 9 deletions
diff --git a/src/mesa/state_tracker/st_cb_bufferobjects.c b/src/mesa/state_tracker/st_cb_bufferobjects.c
index 19a0e67362..a627c0374a 100644
--- a/src/mesa/state_tracker/st_cb_bufferobjects.c
+++ b/src/mesa/state_tracker/st_cb_bufferobjects.c
@@ -237,6 +237,9 @@ st_bufferobj_map_range(GLcontext *ctx, GLenum target,
if (access & GL_MAP_READ_BIT)
flags |= PIPE_BUFFER_USAGE_CPU_READ;
+ if (access & GL_MAP_FLUSH_EXPLICIT_BIT)
+ flags |= PIPE_BUFFER_USAGE_FLUSH_EXPLICIT;
+
/* ... other flags ...
*/
diff --git a/src/mesa/vbo/vbo_exec_draw.c b/src/mesa/vbo/vbo_exec_draw.c
index da2d849ded..fdacb42e35 100644
--- a/src/mesa/vbo/vbo_exec_draw.c
+++ b/src/mesa/vbo/vbo_exec_draw.c
@@ -268,9 +268,14 @@ static void vbo_exec_vtx_unmap( struct vbo_exec_context *exec )
void vbo_exec_vtx_map( struct vbo_exec_context *exec )
{
GLcontext *ctx = exec->ctx;
- GLenum target = GL_ARRAY_BUFFER_ARB;
- GLenum access = GL_READ_WRITE_ARB;
- GLenum usage = GL_STREAM_DRAW_ARB;
+ const GLenum target = GL_ARRAY_BUFFER_ARB;
+ const GLenum access = GL_READ_WRITE_ARB; /* for MapBuffer */
+ const GLenum accessRange = GL_MAP_WRITE_BIT | /* for MapBufferRange */
+ GL_MAP_INVALIDATE_RANGE_BIT |
+ GL_MAP_UNSYNCHRONIZED_BIT |
+ GL_MAP_FLUSH_EXPLICIT_BIT |
+ MESA_MAP_NOWAIT_BIT;
+ const GLenum usage = GL_STREAM_DRAW_ARB;
if (exec->vtx.bufferobj->Name == 0)
return;
@@ -290,10 +295,7 @@ void vbo_exec_vtx_map( struct vbo_exec_context *exec )
exec->vtx.buffer_used,
(VBO_VERT_BUFFER_SIZE -
exec->vtx.buffer_used),
- (GL_MAP_WRITE_BIT |
- GL_MAP_INVALIDATE_RANGE_BIT |
- GL_MAP_UNSYNCHRONIZED_BIT |
- MESA_MAP_NOWAIT_BIT),
+ accessRange,
exec->vtx.bufferobj);
exec->vtx.buffer_ptr = exec->vtx.buffer_map;
}
@@ -305,8 +307,16 @@ void vbo_exec_vtx_map( struct vbo_exec_context *exec )
VBO_VERT_BUFFER_SIZE,
NULL, usage, exec->vtx.bufferobj);
- exec->vtx.buffer_map =
- (GLfloat *)ctx->Driver.MapBuffer(ctx, target, access, exec->vtx.bufferobj);
+
+ if (ctx->Driver.MapBufferRange)
+ exec->vtx.buffer_map =
+ (GLfloat *)ctx->Driver.MapBufferRange(ctx, target,
+ 0, VBO_VERT_BUFFER_SIZE,
+ accessRange,
+ exec->vtx.bufferobj);
+ else
+ exec->vtx.buffer_map =
+ (GLfloat *)ctx->Driver.MapBuffer(ctx, target, access, exec->vtx.bufferobj);
exec->vtx.buffer_ptr = exec->vtx.buffer_map;
}