7b6a75872b
When webview draws into an fbo layer, it needs to know the size of that surface to create the rendering transform appropriately. This change copies in the current viewport size to the structure that is passed to the webview. Change-Id: I7160b0836d00834134c799c95a439cdc045e2035
83 lines
2.3 KiB
C++
83 lines
2.3 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: current width/height of destination surface
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int width;
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int height;
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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 as the "what" parameter of the functor.
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*/
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enum Mode {
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// Indicates that the functor is called to perform a draw
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kModeDraw,
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// Indicates the the functor is called only to perform
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// processing and that no draw should be attempted
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kModeProcess
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};
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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 = 0x0,
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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 = 0x1,
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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 = 0x2
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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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