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[Feat] (MG_State/Program): GetActiveAttrib

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swung0x48
2025-08-18 14:32:03 +08:00
parent cb59bc0431
commit 2617903e71
3 changed files with 37 additions and 1 deletions
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MobileGL/MG_Impl/GLImpl/Program/GL_Program.cpp
+23 -1
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@@ -163,7 +163,29 @@ namespace MobileGL {
void GetActiveAttrib_State(GLuint program, GLuint index, GLsizei bufSize, GLsizei* length, GLint* size,
GLenum* type, GLchar* name) {
THROW_UNIMPL_EXCEPTION;
if (bufSize < 0) {
MG_State::pGLContext->RecordError(
ErrorCode::InvalidValue,
MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", __func__,
"`bufSize` is less than 0."));
return;
}
auto programObject = TryToGetProgramObject(program);
if (!programObject)
return;
auto attribCount = programObject->GetActiveAttributesCount();
if (index >= attribCount) {
MG_State::pGLContext->RecordError(
ErrorCode::InvalidValue,
MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", __func__,
"`index` is greater than or equal to the number of active attribute variables in `program`."));
return;
}
if (type != nullptr)
*type = programObject->GetAttribType(index);
if (bufSize == 0) return;
auto& attribName = programObject->GetAttribName(index);
CopyStr(bufSize, length, name, attribName.c_str(), attribName.length());
}
void GetActiveUniform_State(GLuint program, GLuint index, GLsizei bufSize, GLsizei* length, GLint* size,