1 files changed, 49 insertions, 6 deletions
diff --git a/glslc/README.asciidoc b/glslc/README.asciidoc
index ba6375a..b1551cd 100644
--- a/glslc/README.asciidoc
+++ b/glslc/README.asciidoc
@@ -5,13 +5,20 @@
 
 == Name
 
-`glslc` - A command-line GLSL to SPIR-V compiler with Clang-compatible arguments.
+`glslc` - A command-line GLSL/HLSL to SPIR-V compiler with
+Clang-compatible arguments.
 
 == Synopsis
 
 ----
+glslc [--help]
+
+glslc [--show-limits]
+
 glslc [-c|-S|-E]
-      [-x glsl] [-std=standard]
+      [-x ...] [-std=standard]
+      [-fentry-point=...]
+      [-flimit=...]
       [-fshader-stage=...]
       [--target-env=...]
       [-g]
@@ -27,7 +34,7 @@ glslc [-c|-S|-E]
 
 === Input file languages
 
-glslc accepts both GLSL source and SPIR-V assembly files as inputs.
+glslc accepts both GLSL/HLSL source and SPIR-V assembly files as inputs.
 
 ==== Shader stage specification
 
@@ -108,6 +115,12 @@ Otherwise,
 
 `--help` tells the glslc compiler to display all available options and exit.
 
+==== `--show-limits`
+
+`--show-limits` shows default resource limits for shader compilation.  The syntax
+is the same as accepted by `-flimit=` and for the contents of the file specified
+by `-flimit-file`.
+
 ==== `-o`
 
 `-o` lets you specify the output file's name. It cannot be used when there are
@@ -115,6 +128,34 @@ multiple files generated. A filename of `-` represents standard output.
 
 === Language and Mode Selection Options
 
+[[option-f-entry-point]]
+==== `-fentry-point=`
+
+`-fentry-point=<name>` lets you specify the entry point name.  This is only
+significant for HLSL compilation.  The default is "main".
+
+[[option-f-limit]]
+==== `-flimit=`
+
+`-flimit=<resource-limits>` lets you specify resource limits.
+The argument should be a sequence of limit name, integer value pairs.  Tokens
+should be separated by whitespace.  If the same limit is specified several
+times, only the last setting takes effect.
+
+Use `--show-limits` to show the default values, and example syntax.
+
+This option affects all compiled shaders.
+
+[[option-f-limit-file]]
+==== `-flimit-file`
+
+`-flimit-file <resource-limits-file>` lets you specify resource limits in a file.
+The syntax of the file contents is the same as the argument to `-flimit=` and
+the output of `--show-limits`.  This option accepts Glslang resource configuration
+files, e.g. as emitted by `glslangValidator -c`.
+
+This option affects all compiled shaders.
+
 [[option-f-shader-stage]]
 ==== `-fshader-stage=`
 
@@ -158,7 +199,8 @@ GLSL, e.g., `450`.
 
 `-std=` behaves as follows:
 
-* `-std=` affects the version of all inputs passed to `glslc`.
+* `-std=` affects the version of all GLSL inputs passed to `glslc`.
+* `-std=` is ignored for HLSL inputs.
 * `-std=` overwrites `#version` directives in all input shaders, including those
   preceding the argument.
 * If a `-std=` argument specifies a different version from a `#version`
@@ -189,8 +231,9 @@ under Vulkan semantics.
 
 ==== `-x`
 
-`-x` lets you specify the language of the input shader files. Right now, the
-only accepted argument is `glsl`.
+`-x` lets you specify the language of the input shader files. Valid languages
+are `glsl` and `hlsl`.  If the file extension is `hlsl` then the default language
+is HLSL.  Otherwise the default is 'glsl'.
 
 [[compilation-stage-selection-options]]
 === Compilation Stage Selection Options