6554943a1d
WebView needs more fine-grained control over the behavior of the framework upon execution of the display lists. The new status_t allows WebView to requests its functor to be re-executed directly without causing a redraw of the entire hierarchy. Change-Id: I97a8141dc5c6eeb6805b6024cc1e76fce07d24cc
68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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#ifndef ANDROID_HWUI_DRAW_GL_INFO_H
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#define ANDROID_HWUI_DRAW_GL_INFO_H
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namespace android {
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namespace uirenderer {
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/**
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* Structure used by OpenGLRenderer::callDrawGLFunction() to pass and
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* receive data from OpenGL functors.
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*/
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struct DrawGlInfo {
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// Input: current clip rect
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int clipLeft;
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int clipTop;
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int clipRight;
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int clipBottom;
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// Input: is the render target an FBO
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bool isLayer;
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// Input: current transform matrix, in OpenGL format
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float transform[16];
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// Output: dirty region to redraw
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float dirtyLeft;
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float dirtyTop;
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float dirtyRight;
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float dirtyBottom;
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/**
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* Values used by OpenGL functors to tell the framework
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* what to do next.
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*/
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enum Status {
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// The functor is done
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kStatusDone,
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// The functor is requesting a redraw (the clip rect
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// used by the redraw is specified by DrawGlInfo.)
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// The rest of the UI might redraw too.
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kStatusDraw,
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// The functor needs to be invoked again but will
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// not redraw. Only the functor is invoked again
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// (unless another functor requests a redraw.)
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kStatusInvoke
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};
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}; // struct DrawGlInfo
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}; // namespace uirenderer
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}; // namespace android
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#endif // ANDROID_HWUI_DRAW_GL_INFO_H
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