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1 // Copyright 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "config.h" | |
6 | |
7 #include "CCTexture.h" | |
8 | |
9 namespace cc { | |
10 | |
11 void CCTexture::setDimensions(const IntSize& size, GC3Denum format) | |
12 { | |
13 m_size = size; | |
14 m_format = format; | |
15 } | |
16 | |
17 size_t CCTexture::bytes() const | |
18 { | |
19 if (m_size.isEmpty()) | |
20 return 0u; | |
21 | |
22 return memorySizeBytes(m_size, m_format); | |
23 } | |
24 | |
25 size_t CCTexture::memorySizeBytes(const IntSize& size, GC3Denum format) | |
26 { | |
27 unsigned int componentsPerPixel = 4; | |
28 unsigned int bytesPerComponent = 1; | |
29 return componentsPerPixel * bytesPerComponent * size.width() * size.height()
; | |
30 } | |
31 | |
32 } | |
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