[Mesa-dev] [PATCH 02/16] blorp: handle out of memory without crashing in various batch emissions

[Iago Toral Quiroga]

---
 src/intel/blorp/blorp_genX_exec.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/intel/blorp/blorp_genX_exec.h b/src/intel/blorp/blorp_genX_exec.h
index 8f322b0..dc1b773 100644
--- a/src/intel/blorp/blorp_genX_exec.h
+++ b/src/intel/blorp/blorp_genX_exec.h
@@ -276,6 +276,8 @@ blorp_emit_vertex_buffers(struct blorp_batch *batch,
 
    const unsigned num_dwords = 1 + GENX(VERTEX_BUFFER_STATE_length) * 2;
    uint32_t *dw = blorp_emitn(batch, GENX(3DSTATE_VERTEX_BUFFERS), num_dwords);
+   if (!dw)
+      return;
 
    for (unsigned i = 0; i < 2; i++) {
       GENX(VERTEX_BUFFER_STATE_pack)(batch, dw, &vb[i]);
@@ -381,6 +383,8 @@ blorp_emit_vertex_elements(struct blorp_batch *batch,
    const unsigned num_dwords =
       1 + GENX(VERTEX_ELEMENT_STATE_length) * num_elements;
    uint32_t *dw = blorp_emitn(batch, GENX(3DSTATE_VERTEX_ELEMENTS), num_dwords);
+   if (!dw)
+      return;
 
    for (unsigned i = 0; i < num_elements; i++) {
       GENX(VERTEX_ELEMENT_STATE_pack)(batch, dw, &ve[i]);
@@ -1021,6 +1025,9 @@ blorp_emit_depth_stencil_state(struct blorp_batch *batch,
    uint32_t offset = 0;
    uint32_t *dw = blorp_emit_dwords(batch,
                                     GENX(3DSTATE_WM_DEPTH_STENCIL_length));
+   if (!dw)
+      return 0;
+
    GENX(3DSTATE_WM_DEPTH_STENCIL_pack)(NULL, dw, &ds);
 #else
    uint32_t offset;
-- 
2.7.4