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[Feat]: implement glBindVertexAttribLocation in DirectGLES backend (fixing OptiFine?)

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swung0x48
2025-11-04 22:16:16 +08:00
parent 2f67620a6e
commit 57dd0fe480
6 changed files with 66 additions and 4 deletions
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MobileGL/MG_Util/ShaderTranspiler/SpvcSession.cpp
+19
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@@ -60,6 +60,25 @@ namespace MobileGL {
return variables;
}
spvc_result SpvcSession::SetVertexAttribLocation(const UnorderedMap<String, Uint>& location) {
// TODO: We should assert we're really dealing with vertex shader here
SPVC_CHK_INIT
const spvc_reflected_resource *list = nullptr;
size_t count = 0;
SPVC_CHK_RESULT(spvc_resources_get_resource_list_for_type(resources, SPVC_RESOURCE_TYPE_STAGE_INPUT, &list, &count));
for (size_t i = 0; i < count; ++i) {
auto& resource = list[i];
auto it = location.find(resource.name);
if (it != location.end()) {
// realize glBindVertexAttribLocation here
// it->second should be the location explicitly requested
spvc_compiler_set_decoration(compiler, resource.id, SpvDecorationLocation, it->second);
}
}
SPVC_CHK_RETURN
}
spvc_result SpvcSession::Compile(const char** result) {
SPVC_CHK_INIT
SPVC_CHK_RESULT(spvc_compiler_compile(compiler, result));