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1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
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2 /* This Source Code Form is subject to the terms of the Mozilla Public |
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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5 |
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6 #include "WebGLContext.h" |
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7 #include "WebGLFramebufferAttachable.h" |
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8 #include "WebGLFramebuffer.h" |
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9 #include "WebGLRenderbuffer.h" |
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10 #include "WebGLTexture.h" |
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11 |
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12 using namespace mozilla; |
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13 |
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14 WebGLFramebufferAttachable::AttachmentPoint* |
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15 WebGLFramebufferAttachable::Contains(const WebGLFramebuffer* fb, GLenum attachment) |
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16 { |
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17 AttachmentPoint* first = mAttachmentPoints.begin(); |
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18 AttachmentPoint* last = mAttachmentPoints.end(); |
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19 |
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20 for (; first != last; ++first) { |
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21 if (first->mFB == fb && first->mAttachment == attachment) |
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22 return first; |
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23 } |
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24 |
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25 return nullptr; |
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26 } |
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27 |
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28 void |
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29 WebGLFramebufferAttachable::AttachTo(WebGLFramebuffer* fb, GLenum attachment) |
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30 { |
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31 MOZ_ASSERT(fb); |
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32 if (!fb) |
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33 return; |
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34 |
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35 if (Contains(fb, attachment)) |
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36 return; // Already attached. Ignore. |
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37 |
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38 mAttachmentPoints.append(AttachmentPoint(fb, attachment)); |
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39 } |
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40 |
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41 void |
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42 WebGLFramebufferAttachable::DetachFrom(WebGLFramebuffer* fb, GLenum attachment) |
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43 { |
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44 MOZ_ASSERT(fb); |
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45 if (!fb) |
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46 return; |
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47 |
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48 AttachmentPoint* point = Contains(fb, attachment); |
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49 if (!point) { |
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50 MOZ_ASSERT(false, "Is not attached to FB"); |
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51 return; |
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52 } |
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53 |
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54 mAttachmentPoints.erase(point); |
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55 } |
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56 |
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57 void |
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58 WebGLFramebufferAttachable::NotifyFBsStatusChanged() |
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59 { |
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60 AttachmentPoint* first = mAttachmentPoints.begin(); |
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61 AttachmentPoint* last = mAttachmentPoints.end(); |
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62 for ( ; first != last; ++first) |
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63 first->mFB->NotifyAttachableChanged(); |
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64 } |