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-rw-r--r--src/gallium/auxiliary/draw/draw_pt_emit.c2
-rw-r--r--src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c10
-rw-r--r--src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c9
3 files changed, 21 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pt_emit.c b/src/gallium/auxiliary/draw/draw_pt_emit.c
index 6fb630b5498..984c76fdf94 100644
--- a/src/gallium/auxiliary/draw/draw_pt_emit.c
+++ b/src/gallium/auxiliary/draw/draw_pt_emit.c
@@ -158,6 +158,7 @@ draw_pt_emit(struct pt_emit *emit,
*/
render->set_primitive(draw->render, prim_info->prim);
+ assert(vertex_count <= 65535);
render->allocate_vertices(render,
(ushort)translate->key.output_stride,
(ushort)vertex_count);
@@ -229,6 +230,7 @@ draw_pt_emit_linear(struct pt_emit *emit,
*/
render->set_primitive(draw->render, prim_info->prim);
+ assert(count <= 65535);
if (!render->allocate_vertices(render,
(ushort)translate->key.output_stride,
(ushort)count))
diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c
index aa20b918f50..f76e022994a 100644
--- a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c
+++ b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c
@@ -299,6 +299,16 @@ fetch_pipeline_generic(struct draw_pt_middle_end *middle,
FREE(vert_info->verts);
vert_info = &gs_vert_info;
prim_info = &gs_prim_info;
+
+ /*
+ * pt emit can only handle ushort number of vertices (see
+ * render->allocate_vertices).
+ * vsplit guarantees there's never more than 4096, however GS can
+ * easily blow this up (by a factor of 256 (or even 1024) max).
+ */
+ if (vert_info->count > 65535) {
+ opt |= PT_PIPELINE;
+ }
} else {
if (draw_prim_assembler_is_required(draw, prim_info, vert_info)) {
draw_prim_assembler_run(draw, prim_info, vert_info,
diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c
index 5e0c562256d..91c9360cced 100644
--- a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c
+++ b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c
@@ -428,6 +428,15 @@ llvm_pipeline_generic(struct draw_pt_middle_end *middle,
FREE(vert_info->verts);
vert_info = &gs_vert_info;
prim_info = &gs_prim_info;
+ /*
+ * pt emit can only handle ushort number of vertices (see
+ * render->allocate_vertices).
+ * vsplit guarantees there's never more than 4096, however GS can
+ * easily blow this up (by a factor of 256 (or even 1024) max).
+ */
+ if (vert_info->count > 65535) {
+ opt |= PT_PIPELINE;
+ }
} else {
if (draw_prim_assembler_is_required(draw, prim_info, vert_info)) {
draw_prim_assembler_run(draw, prim_info, vert_info,