diff options
| -rw-r--r-- | src/mesa/main/texstore.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c index d363f9faa05..c87e407fac3 100644 --- a/src/mesa/main/texstore.c +++ b/src/mesa/main/texstore.c @@ -3830,6 +3830,21 @@ _mesa_texstore_can_use_memcpy(struct gl_context *ctx, return GL_FALSE; } + /* Depth texture data needs clamping in following cases: + * - Floating point dstFormat with signed srcType: clamp to [0.0, 1.0]. + * - Fixed point dstFormat with signed srcType: clamp to [0, 2^n -1]. + * + * All the cases except one (float dstFormat with float srcType) are ruled + * out by _mesa_format_matches_format_and_type() check above. Handle the + * remaining case here. + */ + if ((baseInternalFormat == GL_DEPTH_COMPONENT || + baseInternalFormat == GL_DEPTH_STENCIL) && + (srcType == GL_FLOAT || + srcType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV)) { + return GL_FALSE; + } + return GL_TRUE; } |