74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
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/************************************************************************************
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Authors : Bradley Austin Davis <bdavis@saintandreas.org>
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Copyright : Copyright Brad Davis. All Rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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************************************************************************************/
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#pragma once
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namespace gl {
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template <
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typename GenFunction,
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typename DelFunction,
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typename BindFunction>
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class Object {
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GLuint id;
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const GenFunction gen;
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const DelFunction del;
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const BindFunction bind;
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public:
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Object(GenFunction g, DelFunction del, BindFunction bind) : gen(g), del(del), bind(bind) {
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}
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};
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template <GLenum QueryType = GL_TIME_ELAPSED> class Query {
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GLuint query;
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public:
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Query() {
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glGenQueries(1, &query);
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}
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virtual ~Query() {
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glDeleteQueries(1, &query);
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query = 0;
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}
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void begin() {
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glBeginQuery(QueryType, query);
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}
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static void end() {
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glEndQuery(QueryType);
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}
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bool available() {
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GLint result;
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glGetQueryObjectiv(query, GL_QUERY_RESULT_AVAILABLE, &result);
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return result == GL_TRUE;
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}
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GLint getReult() {
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GLint result = -1;
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glGetQueryObjectiv(query, GL_QUERY_RESULT, &result);
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return result;
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}
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};
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typedef Query<GL_TIME_ELAPSED> TimeQuery;
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typedef std::shared_ptr<gl::TimeQuery> TimeQueryPtr;
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}
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