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-rw-r--r--src/gallium/drivers/vc4/kernel/vc4_validate.c5
-rw-r--r--src/gallium/drivers/vc4/vc4_draw.c1
2 files changed, 6 insertions, 0 deletions
diff --git a/src/gallium/drivers/vc4/kernel/vc4_validate.c b/src/gallium/drivers/vc4/kernel/vc4_validate.c
index 674ca637864..b248831113c 100644
--- a/src/gallium/drivers/vc4/kernel/vc4_validate.c
+++ b/src/gallium/drivers/vc4/kernel/vc4_validate.c
@@ -780,6 +780,11 @@ validate_gl_shader_rec(struct drm_device *dev,
exec->shader_rec_v += roundup(packet_size, 16);
exec->shader_rec_size -= packet_size;
+ if (!(*(uint16_t *)pkt_u & VC4_SHADER_FLAG_FS_SINGLE_THREAD)) {
+ DRM_ERROR("Multi-threaded fragment shaders not supported.\n");
+ return -EINVAL;
+ }
+
for (i = 0; i < shader_reloc_count; i++) {
if (src_handles[i] > exec->bo_count) {
DRM_ERROR("Shader handle %d too big\n", src_handles[i]);
diff --git a/src/gallium/drivers/vc4/vc4_draw.c b/src/gallium/drivers/vc4/vc4_draw.c
index 22ae8f27e4a..a4e5e092b1a 100644
--- a/src/gallium/drivers/vc4/vc4_draw.c
+++ b/src/gallium/drivers/vc4/vc4_draw.c
@@ -139,6 +139,7 @@ vc4_emit_gl_shader_state(struct vc4_context *vc4, const struct pipe_draw_info *i
/* VC4_DIRTY_PRIM_MODE | VC4_DIRTY_RASTERIZER */
cl_u16(&shader_rec,
VC4_SHADER_FLAG_ENABLE_CLIPPING |
+ VC4_SHADER_FLAG_FS_SINGLE_THREAD |
((info->mode == PIPE_PRIM_POINTS &&
vc4->rasterizer->base.point_size_per_vertex) ?
VC4_SHADER_FLAG_VS_POINT_SIZE : 0));