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Web: Selectively remove a few key features, using #ifndef GLSLANG_WEB

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Save about 100K.

N.B.: This is done by eliminating a function call, at a high level,
not by #ifdef'ing a bunch of code.

Also, removed no longer needed *_EXTENSION #ifdef in the code not
needed by GLSLANG_WEB.
This commit is contained in:
John Kessenich
2019-07-28 02:12:10 -06:00
parent bfc21ff1a9
commit 23d27751e8
11 changed files with 21 additions and 45 deletions
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31
SPIRV/disassemble.cpp
View File

@@ -52,26 +52,16 @@ namespace spv {
extern "C" {
// Include C-based headers that don't have a namespace
#include "GLSL.std.450.h"
#ifdef AMD_EXTENSIONS
#include "GLSL.ext.AMD.h"
#endif
#ifdef NV_EXTENSIONS
#include "GLSL.ext.NV.h"
#endif
}
}
const char* GlslStd450DebugNames[spv::GLSLstd450Count];
namespace spv {
#ifdef AMD_EXTENSIONS
static const char* GLSLextAMDGetDebugNames(const char*, unsigned);
#endif
#ifdef NV_EXTENSIONS
static const char* GLSLextNVGetDebugNames(const char*, unsigned);
#endif
static void Kill(std::ostream& out, const char* message)
{
@@ -82,15 +72,8 @@ static void Kill(std::ostream& out, const char* message)
// used to identify the extended instruction library imported when printing
enum ExtInstSet {
GLSL450Inst,
#ifdef AMD_EXTENSIONS
GLSLextAMDInst,
#endif
#ifdef NV_EXTENSIONS
GLSLextNVInst,
#endif
OpenCLExtInst,
};
@@ -499,37 +482,29 @@ void SpirvStream::disassembleInstruction(Id resultId, Id /*typeId*/, Op opCode,
const char* name = idDescriptor[stream[word - 2]].c_str();
if (0 == memcmp("OpenCL", name, 6)) {
extInstSet = OpenCLExtInst;
#ifdef AMD_EXTENSIONS
} else if (strcmp(spv::E_SPV_AMD_shader_ballot, name) == 0 ||
strcmp(spv::E_SPV_AMD_shader_trinary_minmax, name) == 0 ||
strcmp(spv::E_SPV_AMD_shader_explicit_vertex_parameter, name) == 0 ||
strcmp(spv::E_SPV_AMD_gcn_shader, name) == 0) {
extInstSet = GLSLextAMDInst;
#endif
#ifdef NV_EXTENSIONS
}else if (strcmp(spv::E_SPV_NV_sample_mask_override_coverage, name) == 0 ||
} else if (strcmp(spv::E_SPV_NV_sample_mask_override_coverage, name) == 0 ||
strcmp(spv::E_SPV_NV_geometry_shader_passthrough, name) == 0 ||
strcmp(spv::E_SPV_NV_viewport_array2, name) == 0 ||
strcmp(spv::E_SPV_NVX_multiview_per_view_attributes, name) == 0 ||
strcmp(spv::E_SPV_NV_fragment_shader_barycentric, name) == 0 ||
strcmp(spv::E_SPV_NV_mesh_shader, name) == 0) {
extInstSet = GLSLextNVInst;
#endif
}
unsigned entrypoint = stream[word - 1];
if (extInstSet == GLSL450Inst) {
if (entrypoint < GLSLstd450Count) {
out << "(" << GlslStd450DebugNames[entrypoint] << ")";
}
#ifdef AMD_EXTENSIONS
} else if (extInstSet == GLSLextAMDInst) {
out << "(" << GLSLextAMDGetDebugNames(name, entrypoint) << ")";
#endif
#ifdef NV_EXTENSIONS
}
else if (extInstSet == GLSLextNVInst) {
out << "(" << GLSLextNVGetDebugNames(name, entrypoint) << ")";
#endif
}
}
break;
@@ -653,7 +628,6 @@ static void GLSLstd450GetDebugNames(const char** names)
names[GLSLstd450NClamp] = "NClamp";
}
#ifdef AMD_EXTENSIONS
static const char* GLSLextAMDGetDebugNames(const char* name, unsigned entrypoint)
{
if (strcmp(name, spv::E_SPV_AMD_shader_ballot) == 0) {
@@ -695,9 +669,7 @@ static const char* GLSLextAMDGetDebugNames(const char* name, unsigned entrypoint
return "Bad";
}
#endif
#ifdef NV_EXTENSIONS
static const char* GLSLextNVGetDebugNames(const char* name, unsigned entrypoint)
{
if (strcmp(name, spv::E_SPV_NV_sample_mask_override_coverage) == 0 ||
@@ -751,7 +723,6 @@ static const char* GLSLextNVGetDebugNames(const char* name, unsigned entrypoint)
}
return "Bad";
}
#endif
void Disassemble(std::ostream& out, const std::vector<unsigned int>& stream)
{