From: Marta Lofstedt <marta.lofst...@intel.com>
According to GLES 3.1 CTS test:
ES31-CTS.texture_storage_multisample.
APIGLTexStorage2DMultisample.
multisample_texture_tex_storage_2d_
invalid_and_border_case_texture_sizes.
Textures of size 0x0 are not allowed for
GL_TEXTURE_2D_MULTISAMPLE.
Signed-off-by: Marta Lofstedt <marta.lofst...@linux.intel.com>
---
src/mesa/main/teximage.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 3d85615..c76ad54 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -1483,6 +1483,13 @@ _mesa_legal_texture_dimensions(struct gl_context *ctx,
GLenum target,
if (height > 0 && !_mesa_is_pow_two(height - 2 * border))
return GL_FALSE;
}
+ /*
+ * according to GLES 3.1 CTS it is not OK with
+ * zero size multisampled textures
+ */
+ if (width == 0 && height == 0 && GL_TEXTURE_2D_MULTISAMPLE == target)
+ return GL_FALSE;
+
return GL_TRUE;
case GL_TEXTURE_3D:
--
1.9.1
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