BakedOpRenderer.h revision 818c9fbf1d76d5df19253ba4eb964efa939ec9ec 
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 Layer;
29class RenderState;
30
31class BakedOpRenderer {
32public:
33    class Info {
34    public:
35        Info(Caches& caches, RenderState& renderState, bool opaque)
36                : renderState(renderState)
37                , caches(caches)
38                , opaque(opaque) {
39        }
40
41        void setViewport(uint32_t width, uint32_t height);
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
51        Layer* layer = nullptr;
52
53        // where should these live? layer state object?
54        bool opaque;
55        uint32_t viewportWidth = 0;
56        uint32_t viewportHeight = 0;
57        Matrix4 orthoMatrix;
58    };
59
60    static Layer* startLayer(Info& info, uint32_t width, uint32_t height);
61    static void endLayer(Info& info);
62    static void startFrame(Info& info, uint32_t width, uint32_t height);
63    static void endFrame(Info& info);
64
65    /**
66     * Declare all "onBitmapOp(...)" style function for every op type.
67     *
68     * These functions will perform the actual rendering of the individual operations in OpenGL,
69     * given the transform/clip and other state built into the BakedOpState object passed in.
70     */
71    #define BAKED_OP_RENDERER_METHOD(Type) static void on##Type(Info& info, const Type& op, const BakedOpState& state);
72    MAP_OPS(BAKED_OP_RENDERER_METHOD);
73};
74
75}; // namespace uirenderer
76}; // namespace android
77
78#endif // ANDROID_HWUI_BAKED_OP_RENDERER_H
79