https://bugs.freedesktop.org/show_bug.cgi?id=107734
Bug ID: 107734
Summary: [GLSL] glsl-fface-invariant, glsl-fcoord-invariant and
glsl-pcoord-invariant should fail
Product: Mesa
Version: unspecified
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: glsl-compiler
Assignee: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
GLSL ES 1.0 linker tests glsl-fface-invariant, glsl-fcoord-invariant and
glsl-pcoord-invariant have to fail as specified in spec:
4.6.4 Invariance and Linkage
The invariance of varyings that are declared in both the vertex and fragment
shaders must match.For the built-in special variables, gl_FragCoord can only be
declared invariant if and only if gl_Position is declared invariant. Similarly
gl_PointCoord can only be declared invariant if and only if gl_PointSize is
declared invariant. It is an error to declare gl_FrontFacing as invariant. The
invariance of gl_FrontFacing is the same as the invariance of gl_Position.
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