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glslang.js: Make the SPIR-V target version configurable (1.0 ~ 1.5)

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This commit is contained in:
Kai Ninomiya 2020-01-23 22:22:34 -08:00
parent b0ada80356
commit 53235dcb06
2 changed files with 45 additions and 17 deletions
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23
glslang/OSDependent/Web/glslang.js.cpp
View File

@ -176,7 +176,12 @@ extern "C" {
* If null, the compilation failed.
*/
EMSCRIPTEN_KEEPALIVE
void* convert_glsl_to_spirv(const char* glsl, int stage_int, bool gen_debug, uint32_t** spirv, size_t* spirv_len)
void* convert_glsl_to_spirv(const char* glsl,
int stage_int,
bool gen_debug,
glslang::EShTargetLanguageVersion spirv_version,
uint32_t** spirv,
size_t* spirv_len)
{
if (glsl == nullptr) {
fprintf(stderr, "Input pointer null\n");
@ -194,6 +199,18 @@ void* convert_glsl_to_spirv(const char* glsl, int stage_int, bool gen_debug, uin
return nullptr;
}
EShLanguage stage = static_cast<EShLanguage>(stage_int);
switch (spirv_version) {
case glslang::EShTargetSpv_1_0:
case glslang::EShTargetSpv_1_1:
case glslang::EShTargetSpv_1_2:
case glslang::EShTargetSpv_1_3:
case glslang::EShTargetSpv_1_4:
case glslang::EShTargetSpv_1_5:
break;
default:
fprintf(stderr, "Invalid SPIR-V version number\n");
return nullptr;
}
if (!initialized) {
glslang::InitializeProcess();
@ -203,8 +220,8 @@ void* convert_glsl_to_spirv(const char* glsl, int stage_int, bool gen_debug, uin
glslang::TShader shader(stage);
shader.setStrings(&glsl, 1);
shader.setEnvInput(glslang::EShSourceGlsl, stage, glslang::EShClientVulkan, 100);
shader.setEnvClient(glslang::EShClientVulkan, glslang::EShTargetVulkan_1_1);
shader.setEnvTarget(glslang::EShTargetSpv, glslang::EShTargetSpv_1_3);
shader.setEnvClient(glslang::EShClientVulkan, glslang::EShTargetVulkan_1_0);
shader.setEnvTarget(glslang::EShTargetSpv, spirv_version);
if (!shader.parse(&DefaultTBuiltInResource, 100, true, EShMsgDefault)) {
fprintf(stderr, "Parse failed\n");
fprintf(stderr, "%s\n", shader.getInfoLog());

39
glslang/OSDependent/Web/glslang.pre.js
View File

@ -1,23 +1,34 @@
Module['compileGLSLZeroCopy'] = function(glsl, shader_stage, gen_debug) {
Module['compileGLSLZeroCopy'] = function(glsl, shader_stage, gen_debug, spirv_version) {
gen_debug = !!gen_debug;
var shader_stage_int;
if (shader_stage === 'vertex') {
shader_stage_int = 0;
} else if (shader_stage === 'fragment') {
shader_stage_int = 4;
} else if (shader_stage === 'compute') {
shader_stage_int = 5;
} else {
throw new Error("shader_stage must be 'vertex', 'fragment', or 'compute'");
var shader_stage_int; // EShLanguage
switch (shader_stage) {
case 'vertex': shader_stage_int = 0; break;
case 'fragment': shader_stage_int = 4; break;
case 'compute': shader_stage_int = 5; break;
default:
throw new Error("shader_stage must be 'vertex', 'fragment', or 'compute'.");
}
spirv_version = spirv_version || '1.0';
var spirv_version_int; // EShTargetLanguageVersion
switch (spirv_version) {
case '1.0': spirv_version_int = (1 << 16) | (0 << 8); break;
case '1.1': spirv_version_int = (1 << 16) | (1 << 8); break;
case '1.2': spirv_version_int = (1 << 16) | (2 << 8); break;
case '1.3': spirv_version_int = (1 << 16) | (3 << 8); break;
case '1.4': spirv_version_int = (1 << 16) | (4 << 8); break;
case '1.5': spirv_version_int = (1 << 16) | (5 << 8); break;
default:
throw new Error("spirv_version must be '1.0' ~ '1.5'.");
}
var p_output = Module['_malloc'](4);
var p_output_len = Module['_malloc'](4);
var id = ccall('convert_glsl_to_spirv',
'number',
['string', 'number', 'boolean', 'number', 'number'],
[glsl, shader_stage_int, gen_debug, p_output, p_output_len]);
['string', 'number', 'boolean', 'number', 'number', 'number'],
[glsl, shader_stage_int, gen_debug, spirv_version_int, p_output, p_output_len]);
var output = getValue(p_output, 'i32');
var output_len = getValue(p_output_len, 'i32');
Module['_free'](p_output);
@ -37,8 +48,8 @@ Module['compileGLSLZeroCopy'] = function(glsl, shader_stage, gen_debug) {
return ret;
};
Module['compileGLSL'] = function(glsl, shader_stage, gen_debug) {
var compiled = Module['compileGLSLZeroCopy'](glsl, shader_stage, gen_debug);
Module['compileGLSL'] = function(glsl, shader_stage, gen_debug, spirv_version) {
var compiled = Module['compileGLSLZeroCopy'](glsl, shader_stage, gen_debug, spirv_version);
var ret = compiled['data'].slice()
compiled['free']();
return ret;