C++ (Cpp) WebGLQuery::BeginQuery示例

示例#1

文件： WebGL2ContextQueries.cpp 项目： Noctem/gecko-dev

void WebGLContext::BeginQuery(GLenum target, WebGLQuery& query) {
  const FuncScope funcScope(*this, "beginQuery");
  if (IsContextLost()) return;

  if (!ValidateObject("query", query)) return;

  const auto& slot = ValidateQuerySlotByTarget(target);
  if (!slot) return;

  if (*slot) return ErrorInvalidOperation("Query target already active.");

  ////

  query.BeginQuery(target, *slot);
}

示例#2

文件： WebGL2ContextQueries.cpp 项目： artines1/gecko-dev

void
WebGLContext::BeginQuery(GLenum target, WebGLQuery& query, const char* funcName)
{
    if (!funcName) {
        funcName = "beginQuery";
    }

    if (IsContextLost())
        return;

    if (!ValidateObject(funcName, query))
        return;

    const auto& slot = ValidateQuerySlotByTarget(funcName, target);
    if (!slot)
        return;

    if (*slot)
        return ErrorInvalidOperation("%s: Query target already active.", funcName);

    ////

    query.BeginQuery(target, *slot);
}