BakedOpRenderer.h revision 6fe991e5e76f9af9dab960100d5768d96d5f4daa 
1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ANDROID_HWUI_BAKED_OP_RENDERER_H
18#define ANDROID_HWUI_BAKED_OP_RENDERER_H
19
20#include "BakedOpState.h"
21#include "Matrix.h"
22
23namespace android {
24namespace uirenderer {
25
26class Caches;
27struct Glop;
28class RenderState;
29
30class BakedOpRenderer {
31public:
32    class Info {
33    public:
34        Info(Caches& caches, RenderState& renderState, int viewportWidth, int viewportHeight, bool opaque)
35                : renderState(renderState)
36                , caches(caches)
37                , opaque(opaque)
38                , viewportWidth(viewportWidth)
39                , viewportHeight(viewportHeight) {
40            orthoMatrix.loadOrtho(viewportWidth, viewportHeight);
41        }
42
43        Texture* getTexture(const SkBitmap* bitmap);
44
45        void renderGlop(const BakedOpState& state, const Glop& glop);
46        RenderState& renderState;
47        Caches& caches;
48
49        bool didDraw = false;
50        bool opaque;
51
52
53        // where should these live? layer state object?
54        int viewportWidth;
55        int viewportHeight;
56        Matrix4 orthoMatrix;
57    };
58
59    static void startFrame(Info& info);
60    static void endFrame(Info& info);
61
62    /**
63     * Declare all "onBitmapOp(...)" style function for every op type.
64     *
65     * These functions will perform the actual rendering of the individual operations in OpenGL,
66     * given the transform/clip and other state built into the BakedOpState object passed in.
67     */
68    #define BAKED_OP_RENDERER_METHOD(Type) static void on##Type(Info& info, const Type& op, const BakedOpState& state);
69    MAP_OPS(BAKED_OP_RENDERER_METHOD);
70};
71
72}; // namespace uirenderer
73}; // namespace android
74
75#endif // ANDROID_HWUI_BAKED_OP_RENDERER_H
76