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Front-end: Implement 2nd task of issue #400; precision of result and operation.

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From the ES spec + Bugzilla 15931 and GL_KHR_vulkan_glsl:
- Update precision qualifiers for all built-in function prototypes.
- Implement the new algorithm used to distinguish built-in function
  operation precisions from result precisions.
Also add tracking of separate result and operation precisions, and
use that in generating SPIR-V.
(SPIR-V cares about precision of operation, while the front-end
cares about precision of result, for propagation.)
This commit is contained in:
John Kessenich 2016-08-01 19:44:00 -06:00
parent 6c136223ed
commit f6640761c4
18 changed files with 408 additions and 308 deletions
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4
glslang/Include/revision.h
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@ -2,5 +2,5 @@
// For the version, it uses the latest git tag followed by the number of commits.
// For the date, it uses the current date (when then script is run).
#define GLSLANG_REVISION "SPIRV99.1375"
#define GLSLANG_DATE "31-Jul-2016"
#define GLSLANG_REVISION "SPIRV99.1377"
#define GLSLANG_DATE "02-Aug-2016"