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420Pack: Implement length() on vectors and matrices. Also, tweak line-continuation semantics to understand the extension.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@26601 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2014-05-10 22:24:50 +00:00
parent 7c257eb108
commit 0b9e112da6
14 changed files with 286 additions and 134 deletions
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Todo.txt
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@ -172,7 +172,7 @@ Shader Functionality to Implement/Finish
- qualifiers can act independently on the opaque shader variable and the backing image, so extra qualifiers can be used to separately qualify these
+ Variables declared in if and else statements are scoped only to the end of those statements, especially for non-compound statements
Note, this is not backward compatible, it may depend on #version.
- Allow implicit conversions of return values to the declared type of the function.
+ Allow implicit conversions of return values to the declared type of the function.
+ The const keyword can be used to declare variables within a function body with initializer expressions that are not constant expressions.
+ Qualifiers on variable declarations no longer have to follow a strict order. The layout qualifier can be used multiple times, and multiple parameter qualifiers can be used.
+ Parameter qualifiers can include precision and memory qualifiers.
@ -184,7 +184,7 @@ Shader Functionality to Implement/Finish
- packSnorm2x16and unpackSnorm2x16
- Add gl_FragDepth layout qualifiers to communicate what kind of changes will be made to gl_FragDepth (GL_AMD_conservative depth).
+ Add C-style curly brace initializer lists syntax for initializers. Full initialization of aggregates is required when these are used.
- Allow .length() to be applied to vectors and matrices, returning the number of components or columns.
+ Allow .length() to be applied to vectors and matrices, returning the number of components or columns.
+ Clarify that .length() returns an int type and can be used as a constant integer expression.
+ Allow swizzle operations on scalars.
+ Positive signed decimal literals, as well as octal and hexadecimal, can set all 32 bits. This includes setting the sign bit to create a negative value.