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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
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@ -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());