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SPIR-V compression: Add stripping and remapping tools for compressibility of generated SPIR-V.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@31180 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich
2015-05-13 20:38:44 +00:00
parent 3a44d7fee8
commit 4217d2ea22
6 changed files with 1594 additions and 5 deletions
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29
StandAlone/StandAlone.cpp
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@@ -44,6 +44,7 @@
#include "../SPIRV/GLSL450Lib.h"
#include "../SPIRV/doc.h"
#include "../SPIRV/disassemble.h"
#include "../SPIRV/SPVRemapper.h"
#include <string.h>
#include <stdlib.h>
#include <math.h>
@@ -71,6 +72,8 @@ enum TOptions {
EOptionSpv = 0x0800,
EOptionHumanReadableSpv = 0x1000,
EOptionDefaultDesktop = 0x2000,
EOptionCanonicalizeSpv = 0x4000,
EOptionStripSpv = 0x8000,
};
//
@@ -481,11 +484,17 @@ bool ProcessArguments(int argc, char* argv[])
for (; argc >= 1; argc--, argv++) {
Work[argc] = 0;
if (argv[0][0] == '-') {
switch (argv[0][1]) {
case 'H':
Options |= EOptionHumanReadableSpv;
// fall through to -V
const char optLetter = argv[0][1];
switch (optLetter) {
case 'S': // fall through to -V
case 'C': // fall through to -V
case 'H': // fall through to -V
case 'V':
if (optLetter == 'H') Options |= EOptionHumanReadableSpv;
if (optLetter == 'S') Options |= EOptionStripSpv;
if (optLetter == 'C') Options |= EOptionCanonicalizeSpv;
Options |= EOptionSpv;
Options |= EOptionLinkProgram;
break;
@@ -660,7 +669,15 @@ void CompileAndLinkShaders()
case EShLangCompute: name = "comp"; break;
default: name = "unknown"; break;
}
glslang::OutputSpv(spirv, name);
if (Options & (EOptionCanonicalizeSpv | EOptionStripSpv)) {
const unsigned int remapOpts =
((Options & EOptionCanonicalizeSpv) ? (spv::spirvbin_t::ALL_BUT_STRIP) : 0) |
((Options & EOptionStripSpv) ? (spv::spirvbin_t::STRIP) : 0);
spv::Parameterize();
spv::spirvbin_t().remap(spirv, remapOpts);
}
if (Options & EOptionHumanReadableSpv) {
spv::Parameterize();
GLSL_STD_450::GetDebugNames(GlslStd450DebugNames);
@@ -867,6 +884,8 @@ void usage()
"To get other information, use one of the following options:\n"
"(Each option must be specified separately, but can go anywhere in the command line.)\n"
" -V create SPIR-V in file <stage>.spv\n"
" -C canonicalize generated SPIR-V: turns on -V\n"
" -S debug-strip SPIR-V: turns on -V\n"
" -H print human readable form of SPIR-V; turns on -V\n"
" -c configuration dump; use to create default configuration file (redirect to a .conf file)\n"
" -d default to desktop (#version 110) when there is no version in the shader (default is ES version 100)\n"