radeon/compute: Report a value for PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE

CC: "10.2" <[email protected]>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index 592069746d9..879387f0fba 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -328,6 +328,13 @@ static int si_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enu
 		case PIPE_SHADER_CAP_DOUBLES:
 			return 0; /* XXX: Enable doubles once the compiler can
 			             handle them. */
+		case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE: {
+			uint64_t max_const_buffer_size;
+			pscreen->get_compute_param(pscreen,
+				PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE,
+				&max_const_buffer_size);
+			return max_const_buffer_size;
+		}
 		default:
 			return 0;
 		}