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-rw-r--r--src/mesa/state_tracker/st_draw.c45
1 files changed, 28 insertions, 17 deletions
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index 5dcaff09c03..e9f25b625fd 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -127,6 +127,30 @@ setup_index_buffer(struct st_context *st,
/**
+ * Set the restart index.
+ */
+static void
+setup_primitive_restart(struct gl_context *ctx,
+ const struct _mesa_index_buffer *ib,
+ struct pipe_draw_info *info)
+{
+ if (ctx->Array._PrimitiveRestart) {
+ info->restart_index = _mesa_primitive_restart_index(ctx, ib->type);
+
+ /* Enable primitive restart only when the restart index can have an
+ * effect. This is required for correctness in radeonsi VI support.
+ * Other hardware may also benefit from taking a faster, non-restart path
+ * when possible.
+ */
+ if ((ib->type == GL_UNSIGNED_INT) ||
+ (ib->type == GL_UNSIGNED_SHORT && info->restart_index <= 0xffff) ||
+ (ib->type == GL_UNSIGNED_BYTE && info->restart_index <= 0xff))
+ info->primitive_restart = true;
+ }
+}
+
+
+/**
* Translate OpenGL primtive type (GL_POINTS, GL_TRIANGLE_STRIP, etc) to
* the corresponding Gallium type.
*/
@@ -205,19 +229,7 @@ st_draw_vbo(struct gl_context *ctx,
/* The VBO module handles restart for the non-indexed GLDrawArrays
* so we only set these fields for indexed drawing:
*/
- if (ctx->Array._PrimitiveRestart) {
- info.restart_index = _mesa_primitive_restart_index(ctx, ib->type);
-
- /* Enable primitive restart only when the restart index can have an
- * effect. This is required for correctness in radeonsi VI support,
- * though other hardware may also benefit from taking a faster,
- * non-restart path when possible.
- */
- if ((ibuffer.index_size >= 4) ||
- (ibuffer.index_size >= 2 && info.restart_index <= 0xffff) ||
- (info.restart_index <= 0xff))
- info.primitive_restart = true;
- }
+ setup_primitive_restart(ctx, ib, &info);
}
else {
/* Transform feedback drawing is always non-indexed. */
@@ -310,6 +322,9 @@ st_indirect_draw_vbo(struct gl_context *ctx,
}
info.indexed = TRUE;
+
+ /* Primitive restart is not handled by the VBO module in this case. */
+ setup_primitive_restart(ctx, ib, &info);
}
info.mode = translate_prim(ctx, mode);
@@ -317,10 +332,6 @@ st_indirect_draw_vbo(struct gl_context *ctx,
info.indirect = st_buffer_object(indirect_data)->buffer;
info.indirect_offset = indirect_offset;
- /* Primitive restart is not handled by the VBO module in this case. */
- info.primitive_restart = ctx->Array._PrimitiveRestart;
- info.restart_index = ctx->Array.RestartIndex;
-
if (ST_DEBUG & DEBUG_DRAW) {
debug_printf("st/draw indirect: mode %s drawcount %d indexed %d\n",
u_prim_name(info.mode),