diff options
Diffstat (limited to 'src/3rdparty/angle/include/GLSLANG/ShaderVars.h')
-rw-r--r-- | src/3rdparty/angle/include/GLSLANG/ShaderVars.h | 64 |
1 files changed, 63 insertions, 1 deletions
diff --git a/src/3rdparty/angle/include/GLSLANG/ShaderVars.h b/src/3rdparty/angle/include/GLSLANG/ShaderVars.h index 9c38647dda..da21c3e76e 100644 --- a/src/3rdparty/angle/include/GLSLANG/ShaderVars.h +++ b/src/3rdparty/angle/include/GLSLANG/ShaderVars.h @@ -52,6 +52,21 @@ struct COMPILER_EXPORT ShaderVariable unsigned int elementCount() const { return std::max(1u, arraySize); } bool isStruct() const { return !fields.empty(); } + // All of the shader's variables are described using nested data + // structures. This is needed in order to disambiguate similar looking + // types, such as two structs containing the same fields, but in + // different orders. "findInfoByMappedName" provides an easy query for + // users to dive into the data structure and fetch the unique variable + // instance corresponding to a dereferencing chain of the top-level + // variable. + // Given a mapped name like 'a[0].b.c[0]', return the ShaderVariable + // that defines 'c' in |leafVar|, and the original name 'A[0].B.C[0]' + // in |originalName|, based on the assumption that |this| defines 'a'. + // If no match is found, return false. + bool findInfoByMappedName(const std::string &mappedFullName, + const ShaderVariable **leafVar, + std::string* originalFullName) const; + GLenum type; GLenum precision; std::string name; @@ -60,6 +75,16 @@ struct COMPILER_EXPORT ShaderVariable bool staticUse; std::vector<ShaderVariable> fields; std::string structName; + + protected: + bool isSameVariableAtLinkTime(const ShaderVariable &other, + bool matchPrecision) const; + + bool operator==(const ShaderVariable &other) const; + bool operator!=(const ShaderVariable &other) const + { + return !operator==(other); + } }; struct COMPILER_EXPORT Uniform : public ShaderVariable @@ -68,6 +93,16 @@ struct COMPILER_EXPORT Uniform : public ShaderVariable ~Uniform(); Uniform(const Uniform &other); Uniform &operator=(const Uniform &other); + bool operator==(const Uniform &other) const; + bool operator!=(const Uniform &other) const + { + return !operator==(other); + } + + // Decide whether two uniforms are the same at shader link time, + // assuming one from vertex shader and the other from fragment shader. + // See GLSL ES Spec 3.00.3, sec 4.3.5. + bool isSameUniformAtLinkTime(const Uniform &other) const; }; struct COMPILER_EXPORT Attribute : public ShaderVariable @@ -76,6 +111,11 @@ struct COMPILER_EXPORT Attribute : public ShaderVariable ~Attribute(); Attribute(const Attribute &other); Attribute &operator=(const Attribute &other); + bool operator==(const Attribute &other) const; + bool operator!=(const Attribute &other) const + { + return !operator==(other); + } int location; }; @@ -86,6 +126,18 @@ struct COMPILER_EXPORT InterfaceBlockField : public ShaderVariable ~InterfaceBlockField(); InterfaceBlockField(const InterfaceBlockField &other); InterfaceBlockField &operator=(const InterfaceBlockField &other); + bool operator==(const InterfaceBlockField &other) const; + bool operator!=(const InterfaceBlockField &other) const + { + return !operator==(other); + } + + // Decide whether two InterfaceBlock fields are the same at shader + // link time, assuming one from vertex shader and the other from + // fragment shader. + // See GLSL ES Spec 3.00.3, sec 4.3.7. + bool isSameInterfaceBlockFieldAtLinkTime( + const InterfaceBlockField &other) const; bool isRowMajorLayout; }; @@ -94,8 +146,18 @@ struct COMPILER_EXPORT Varying : public ShaderVariable { Varying(); ~Varying(); - Varying(const Varying &other); + Varying(const Varying &otherg); Varying &operator=(const Varying &other); + bool operator==(const Varying &other) const; + bool operator!=(const Varying &other) const + { + return !operator==(other); + } + + // Decide whether two varyings are the same at shader link time, + // assuming one from vertex shader and the other from fragment shader. + // See GLSL ES Spec 3.00.3, sec 4.3.9. + bool isSameVaryingAtLinkTime(const Varying &other) const; InterpolationType interpolation; bool isInvariant; |