because float depth texture data needs clamping to [0.0, 1.0]. Let the
_mesa_texstore() fallback to slower path.
Fixes Khronos GLES3 CTS tests:
shadow_execution_vert
shadow_execution_frag
V2: Move the check to _mesa_texstore_can_use_memcpy() function.
Add check for floating point data types.
Cc: <mesa-sta...@lists.freedesktop.org>
Signed-off-by: Anuj Phogat <anuj.pho...@gmail.com>
---
src/mesa/main/texstore.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
index d363f9f..c87e407 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;
}
--
1.9.3
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