5b3b35296e
This optimization is currently disabled until Launcher is modified to take advantage of it. The optimization can be enabled by turning on RENDER_LAYERS_AS_REGIONS in the OpenGLRenderer.h file. Change-Id: I2fdf59d0f4dc690a3d7f712173ab8db3848b27b1
122 lines
4.1 KiB
C++
122 lines
4.1 KiB
C++
/*
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* Copyright (C) 2010 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_PATCH_H
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#define ANDROID_HWUI_PATCH_H
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#include <sys/types.h>
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#include <GLES2/gl2.h>
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#include <utils/Vector.h>
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#include "Rect.h"
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#include "Vertex.h"
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#include "utils/Compare.h"
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namespace android {
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namespace uirenderer {
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///////////////////////////////////////////////////////////////////////////////
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// 9-patch structures
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///////////////////////////////////////////////////////////////////////////////
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/**
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* Description of a patch.
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*/
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struct PatchDescription {
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PatchDescription(): bitmapWidth(0), bitmapHeight(0), pixelWidth(0), pixelHeight(0),
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xCount(0), yCount(0), emptyCount(0), colorKey(0) { }
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PatchDescription(const float bitmapWidth, const float bitmapHeight,
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const float pixelWidth, const float pixelHeight,
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const uint32_t xCount, const uint32_t yCount,
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const int8_t emptyCount, const uint32_t colorKey):
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bitmapWidth(bitmapWidth), bitmapHeight(bitmapHeight),
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pixelWidth(pixelWidth), pixelHeight(pixelHeight),
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xCount(xCount), yCount(yCount),
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emptyCount(emptyCount), colorKey(colorKey) { }
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PatchDescription(const PatchDescription& description):
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bitmapWidth(description.bitmapWidth), bitmapHeight(description.bitmapHeight),
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pixelWidth(description.pixelWidth), pixelHeight(description.pixelHeight),
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xCount(description.xCount), yCount(description.yCount),
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emptyCount(description.emptyCount), colorKey(description.colorKey) { }
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float bitmapWidth;
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float bitmapHeight;
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float pixelWidth;
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float pixelHeight;
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uint32_t xCount;
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uint32_t yCount;
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int8_t emptyCount;
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uint32_t colorKey;
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bool operator<(const PatchDescription& rhs) const {
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LTE_FLOAT(bitmapWidth) {
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LTE_FLOAT(bitmapHeight) {
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LTE_FLOAT(pixelWidth) {
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LTE_FLOAT(pixelHeight) {
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LTE_INT(xCount) {
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LTE_INT(yCount) {
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LTE_INT(emptyCount) {
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LTE_INT(colorKey) return false;
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}
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}
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}
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}
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}
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}
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}
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return false;
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}
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}; // struct PatchDescription
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/**
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* An OpenGL patch. This contains an array of vertices and an array of
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* indices to render the vertices.
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*/
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struct Patch {
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Patch(const uint32_t xCount, const uint32_t yCount, const int8_t emptyQuads = 0);
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~Patch();
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void updateVertices(const float bitmapWidth, const float bitmapHeight,
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float left, float top, float right, float bottom,
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const int32_t* xDivs, const int32_t* yDivs,
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const uint32_t width, const uint32_t height,
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const uint32_t colorKey = 0);
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GLuint meshBuffer;
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uint32_t verticesCount;
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Vector<Rect> quads;
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bool hasEmptyQuads;
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private:
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TextureVertex* mVertices;
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void generateRow(TextureVertex*& vertex, float y1, float y2,
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float v1, float v2, const int32_t xDivs[], uint32_t xCount,
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float stretchX, float width, float bitmapWidth,
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uint32_t& quadCount, const uint32_t colorKey);
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void generateQuad(TextureVertex*& vertex,
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float x1, float y1, float x2, float y2,
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float u1, float v1, float u2, float v2,
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uint32_t& quadCount, const uint32_t colorKey);
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}; // struct Patch
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}; // namespace uirenderer
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}; // namespace android
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#endif // ANDROID_HWUI_PATCH_H
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