From: Tom Stellard <thomas.stellard@amd.com>
Date: Thu, 7 Aug 2014 19:31:17 +0000 (-0400)
Subject: radeon/compute: Report a value for PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=72969e0efb7a5a011629c1001e81aa2329ede6b1;p=mesa.git

radeon/compute: Report a value for PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE

CC: "10.2" <mesa-stable@lists.freedesktop.org>
---

diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index f0a71c3027d..20d9f950e4c 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -418,7 +418,16 @@ static int r600_get_shader_param(struct pipe_screen* pscreen, unsigned shader, e
 	case PIPE_SHADER_CAP_MAX_TEMPS:
 		return 256; /* Max native temporaries. */
 	case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
-		return R600_MAX_CONST_BUFFER_SIZE;
+		if (shader == PIPE_SHADER_COMPUTE) {
+			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;
+
+		} else {
+			return R600_MAX_CONST_BUFFER_SIZE;
+		}
 	case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 		return R600_MAX_USER_CONST_BUFFERS;
 	case PIPE_SHADER_CAP_MAX_PREDS:
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;
 		}