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mesa: etc2 online compression is unsupported, don't attempt it

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Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
Cc: "11.2 12.0" <mesa-stable@lists.freedesktop.org>
This commit is contained in:
Ilia Mirkin 2016-07-08 18:41:03 -04:00
parent 0d911a720d
commit 8ee3cdde04
3 changed files with 27 additions and 0 deletions
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23
src/mesa/main/glformats.c
View file

@ -906,6 +906,29 @@ _mesa_is_astc_format(GLenum internalFormat)
is_astc_3d_format(internalFormat);
}
/**
* Test if the given format is an ETC2 format.
*/
GLboolean
_mesa_is_etc2_format(GLenum internalFormat)
{
switch (internalFormat) {
case GL_COMPRESSED_RGB8_ETC2:
case GL_COMPRESSED_SRGB8_ETC2:
case GL_COMPRESSED_RGBA8_ETC2_EAC:
case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
case GL_COMPRESSED_R11_EAC:
case GL_COMPRESSED_RG11_EAC:
case GL_COMPRESSED_SIGNED_R11_EAC:
case GL_COMPRESSED_SIGNED_RG11_EAC:
case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
return true;
default:
return false;
}
}
/**
* Test if the given format is an integer (non-normalized) format.
*/

3
src/mesa/main/glformats.h
View file

@ -60,6 +60,9 @@ _mesa_bytes_per_vertex_attrib(GLint comps, GLenum type);
extern GLboolean
_mesa_is_astc_format(GLenum internalFormat);
extern GLboolean
_mesa_is_etc2_format(GLenum internalFormat);
extern GLboolean
_mesa_is_type_unsigned(GLenum type);

1
src/mesa/main/teximage.c
View file

@ -1307,6 +1307,7 @@ bool
_mesa_format_no_online_compression(const struct gl_context *ctx, GLenum format)
{
return _mesa_is_astc_format(format) ||
_mesa_is_etc2_format(format) ||
compressedteximage_only_format(ctx, format);
}