564acf7c9b
Fix several build warnings (struct != class, int != size_t) and errors (variable leng non-POD arrays). Change-Id: I70b4e784365514303d8954bfcb1f39d7c22c1321
120 lines
3.4 KiB
C++
120 lines
3.4 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_VERTEX_H
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#define ANDROID_HWUI_VERTEX_H
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#include "Vector.h"
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namespace android {
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namespace uirenderer {
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/**
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* Simple structure to describe a vertex with a position and a texture.
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*/
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struct Vertex {
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/**
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* Fudge-factor used to disambiguate geometry pixel positioning.
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*
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* Used to offset lines and points to avoid ambiguous intersection with pixel centers (see
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* Program::set()), and used to make geometry damage rect calculation conservative (see
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* Rect::snapGeometryToPixelBoundaries())
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*/
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static float GeometryFudgeFactor() { return 0.0656f; }
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float x, y;
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static inline void set(Vertex* vertex, float x, float y) {
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vertex[0].x = x;
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vertex[0].y = y;
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}
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static inline void set(Vertex* vertex, vec2 val) {
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set(vertex, val.x, val.y);
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}
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static inline void copyWithOffset(Vertex* vertex, const Vertex& src, float x, float y) {
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set(vertex, src.x + x, src.y + y);
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}
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}; // struct Vertex
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/**
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* Simple structure to describe a vertex with a position and texture UV.
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*/
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struct TextureVertex {
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float x, y;
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float u, v;
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static inline void set(TextureVertex* vertex, float x, float y, float u, float v) {
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vertex[0].x = x;
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vertex[0].y = y;
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vertex[0].u = u;
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vertex[0].v = v;
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}
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static inline void setUV(TextureVertex* vertex, float u, float v) {
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vertex[0].u = u;
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vertex[0].v = v;
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}
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}; // struct TextureVertex
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/**
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* Simple structure to describe a vertex with a position, texture UV and ARGB color.
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*/
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struct ColorTextureVertex : TextureVertex {
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float r, g, b, a;
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static inline void set(ColorTextureVertex* vertex, float x, float y,
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float u, float v, int color) {
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TextureVertex::set(vertex, x, y, u, v);
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const float a = ((color >> 24) & 0xff) / 255.0f;
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vertex[0].r = a * ((color >> 16) & 0xff) / 255.0f;
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vertex[0].g = a * ((color >> 8) & 0xff) / 255.0f;
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vertex[0].b = a * ((color ) & 0xff) / 255.0f;
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vertex[0].a = a;
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}
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}; // struct ColorTextureVertex
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/**
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* Simple structure to describe a vertex with a position and an alpha value.
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*/
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struct AlphaVertex : Vertex {
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float alpha;
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static inline void set(AlphaVertex* vertex, float x, float y, float alpha) {
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Vertex::set(vertex, x, y);
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vertex[0].alpha = alpha;
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}
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static inline void copyWithOffset(AlphaVertex* vertex, const AlphaVertex& src,
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float x, float y) {
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Vertex::set(vertex, src.x + x, src.y + y);
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vertex[0].alpha = src.alpha;
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}
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static inline void setColor(AlphaVertex* vertex, float alpha) {
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vertex[0].alpha = alpha;
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}
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}; // struct AlphaVertex
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}; // namespace uirenderer
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}; // namespace android
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#endif // ANDROID_HWUI_VERTEX_H
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