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-rw-r--r--src/gallium/drivers/r300/r300_screen.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index c0d9797020d..feb571a23dd 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -220,12 +220,18 @@ static boolean check_tex_format(enum pipe_format format, uint32_t usage,
/* Z buffer or texture */
case PIPE_FORMAT_Z16_UNORM:
+ retval = usage &
+ (PIPE_TEXTURE_USAGE_DEPTH_STENCIL |
+ PIPE_TEXTURE_USAGE_SAMPLER);
+ break;
+
+ /* 24bit Z buffer can only be used as a texture on R500. */
case PIPE_FORMAT_Z24X8_UNORM:
/* Z buffer with stencil or texture */
case PIPE_FORMAT_Z24S8_UNORM:
retval = usage &
(PIPE_TEXTURE_USAGE_DEPTH_STENCIL |
- PIPE_TEXTURE_USAGE_SAMPLER);
+ (is_r500 ? PIPE_TEXTURE_USAGE_SAMPLER : 0));
break;
/* Definitely unsupported formats. */