[Mesa-dev] [PATCH 1/5] r600g, radeonsi: fix MAX_TEXTURE_3D_LEVELS and MAX_TEXTURE_ARRAY_LAYERS limits

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

CB_COLORi_VIEW.SLICE_MAX can be at most 2047.

This fixes the maxlayers piglit test.

Cc: mesa-stable at lists.freedesktop.org
---
 src/gallium/drivers/r600/r600_pipe.c   | 8 +++++---
 src/gallium/drivers/radeonsi/si_pipe.c | 9 ++++++---
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index 2fceb3c..88fbdd8 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -423,15 +423,17 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 
 	/* Texturing. */
 	case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
-	case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 	case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 		if (family >= CHIP_CEDAR)
 			return 15;
 		else
 			return 14;
+	case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
+		/* textures support 8192, but layered rendering supports 2048 */
+		return 12;
 	case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
-		return rscreen->b.info.drm_minor >= 9 ?
-			(family >= CHIP_CEDAR ? 16384 : 8192) : 0;
+		/* textures support 8192, but layered rendering supports 2048 */
+		return rscreen->b.info.drm_minor >= 9 ? 2048 : 0;
 
 	/* Render targets. */
 	case PIPE_CAP_MAX_RENDER_TARGETS:
diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index 040fc5c..95f022b 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -307,11 +307,14 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 
 	/* Texturing. */
 	case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
-	case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 	case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
-			return 15;
+		return 15; /* 16384 */
+	case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
+		/* textures support 8192, but layered rendering supports 2048 */
+		return 12;
 	case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
-		return 16384;
+		/* textures support 8192, but layered rendering supports 2048 */
+		return 2048;
 
 	/* Render targets. */
 	case PIPE_CAP_MAX_RENDER_TARGETS:
-- 
1.8.3.2