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LoopDawg 7f93d56ef2 HLSL: add subpass input types and methods 
Add support for Subpass Input proposal of issue #1069.

Subpass input types are given as:

    layout(input_attachment_index = 1) SubpassInput<float4> subpass_f;
    layout(input_attachment_index = 2) SubpassInput<int4>   subpass_i;
    layout(input_attachment_index = 3) SubpassInput<uint4>  subpass_u;

    layout(input_attachment_index = 1) SubpassInputMS<float4> subpass_ms_f;
    layout(input_attachment_index = 2) SubpassInputMS<int4>   subpass_ms_i;
    layout(input_attachment_index = 3) SubpassInputMS<uint4>  subpass_ms_u;

The input attachment may also be specified using attribute syntax:

    [[vk::input_attachment_index(7)]] SubpassInput subpass_2;

The template type may be a shorter-than-vec4 vector, but currently user
structs are not supported.  (An unimplemented error will be issued).

The load operations are methods on objects of the above type:

    float4 result = subpass_f.SubpassLoad();
    int4   result = subpass_i.SubpassLoad();
    uint4  result = subpass_u.SubpassLoad();

    float4 result = subpass_ms_f.SubpassLoad(samp);
    int4   result = subpass_ms_i.SubpassLoad(samp);
    uint4  result = subpass_ms_u.SubpassLoad(samp);

Additionally, the AST printer could not print EOpSubpass* nodes.  Now it can.

Fixes #1069
2017-10-02 12:46:55 -06:00
..
CMakeLists.txt Merge pull request #969 from d3x0r/patch-1 2017-07-04 11:00:42 -06:00
hlslAttributes.cpp HLSL: Additional attribute support: [[]], namespace, parameters: 2017-09-30 14:34:50 -06:00
hlslAttributes.h HLSL: Additional attribute support: [[]], namespace, parameters: 2017-09-30 14:34:50 -06:00
hlslGrammar.cpp HLSL: add subpass input types and methods 2017-10-02 12:46:55 -06:00
hlslGrammar.h HLSL: add subpass input types and methods 2017-10-02 12:46:55 -06:00
hlslOpMap.cpp HLSL: Add scoping operator, accept static member functions, and support calling them. 2017-03-11 14:13:00 -07:00
hlslOpMap.h Non-functional: White space after "//", mostly for copyrights. 2017-01-06 12:34:14 -07:00
hlslParseables.cpp HLSL: add subpass input types and methods 2017-10-02 12:46:55 -06:00
hlslParseables.h Non-functional: White space after "//", mostly for copyrights. 2017-01-06 12:34:14 -07:00
hlslParseHelper.cpp HLSL: add subpass input types and methods 2017-10-02 12:46:55 -06:00
hlslParseHelper.h Build: Fix a couple build issues. 2017-09-30 14:54:18 -06:00
hlslScanContext.cpp HLSL: add subpass input types and methods 2017-10-02 12:46:55 -06:00
hlslScanContext.h HLSL: Non-functional: the symbol field of a token was in practice unused; remove it. 2017-03-21 18:36:04 -06:00
hlslTokens.h HLSL: add subpass input types and methods 2017-10-02 12:46:55 -06:00
hlslTokenStream.cpp HLSL: Member-functions: capture body token stream for deferred syntax/semantics. 2017-03-11 19:37:29 -07:00
hlslTokenStream.h Merge branch 'TiemoJung-semantic_handling' 2017-03-14 22:44:24 -06:00