nvc0: reduce GL_MAX_3D_TEXTURE_SIZE to 2048 on Kepler+

The blob sets it to 2048 and using 4096 reports an INVALID_DATA error
with RT_ARRAY_MODE when z is 4096. Suggested by Ilia Mirkin.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: "11.1 11.2" <mesa-stable@lists.freedesktop.org>

diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
index 48a8c8d42909a7a600c05e4c609108317ad0a528..0c085595f7feb057d7a8ddb68b56db64ea14084b 100644 (file)
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
@@ -106,7 +106,7 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
       return 15;
    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
-      return (class_3d >= NVE4_3D_CLASS) ? 13 : 12;
+      return 12;
    case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
       return 2048;
    case PIPE_CAP_MIN_TEXEL_OFFSET: