1/*
2 * Copyright (C) 2016 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#include <gtest/gtest.h>
18
19#include <BakedOpRenderer.h>
20#include <GlopBuilder.h>
21#include <tests/common/TestUtils.h>
22
23using namespace android::uirenderer;
24
25const BakedOpRenderer::LightInfo sLightInfo = {128, 128};
26
27RENDERTHREAD_OPENGL_PIPELINE_TEST(BakedOpRenderer, startRepaintLayer_clear) {
28    BakedOpRenderer renderer(Caches::getInstance(), renderThread.renderState(), true, false,
29                             sLightInfo);
30    OffscreenBuffer layer(renderThread.renderState(), Caches::getInstance(), 200u, 200u);
31
32    layer.dirty(Rect(200, 200));
33    {
34        renderer.startRepaintLayer(&layer, Rect(200, 200));
35        EXPECT_TRUE(layer.region.isEmpty()) << "Repaint full layer should clear region";
36        renderer.endLayer();
37    }
38
39    layer.dirty(Rect(200, 200));
40    {
41        renderer.startRepaintLayer(&layer, Rect(100, 200));  // repainting left side
42        EXPECT_TRUE(layer.region.isRect());
43        // ALOGD("bounds %d %d %d %d", RECT_ARGS(layer.region.getBounds()));
44        EXPECT_EQ(android::Rect(100, 0, 200, 200), layer.region.getBounds())
45                << "Left side being repainted, so right side should be clear";
46        renderer.endLayer();
47    }
48
49    // right side is now only dirty portion
50    {
51        renderer.startRepaintLayer(&layer, Rect(100, 0, 200, 200));  // repainting right side
52        EXPECT_TRUE(layer.region.isEmpty())
53                << "Now right side being repainted, so region should be entirely clear";
54        renderer.endLayer();
55    }
56}
57
58static void drawFirstOp(RenderState& renderState, int color, SkBlendMode mode) {
59    BakedOpRenderer renderer(Caches::getInstance(), renderState, true, false, sLightInfo);
60
61    renderer.startFrame(100, 100, Rect(100, 100));
62    SkPaint paint;
63    paint.setColor(color);
64    paint.setBlendMode(mode);
65
66    Rect dest(0, 0, 100, 100);
67    Glop glop;
68    GlopBuilder(renderState, Caches::getInstance(), &glop)
69            .setRoundRectClipState(nullptr)
70            .setMeshUnitQuad()
71            .setFillPaint(paint, 1.0f)
72            .setTransform(Matrix4::identity(), TransformFlags::None)
73            .setModelViewMapUnitToRectSnap(dest)
74            .build();
75    renderer.renderGlop(nullptr, nullptr, glop);
76    renderer.endFrame(Rect(100, 100));
77}
78
79static void verifyBlend(RenderState& renderState, GLenum expectedSrc, GLenum expectedDst) {
80    EXPECT_TRUE(renderState.blend().getEnabled());
81    GLenum src;
82    GLenum dst;
83    renderState.blend().getFactors(&src, &dst);
84    EXPECT_EQ(expectedSrc, src);
85    EXPECT_EQ(expectedDst, dst);
86}
87
88static void verifyBlendDisabled(RenderState& renderState) {
89    EXPECT_FALSE(renderState.blend().getEnabled());
90}
91
92RENDERTHREAD_OPENGL_PIPELINE_TEST(BakedOpRenderer, firstDrawBlend_clear) {
93    // initialize blend state to nonsense value
94    renderThread.renderState().blend().setFactors(GL_ONE, GL_ONE);
95
96    drawFirstOp(renderThread.renderState(), 0xfeff0000, SkBlendMode::kClear);
97    verifyBlend(renderThread.renderState(), GL_ZERO, GL_ONE_MINUS_SRC_ALPHA);
98}
99
100RENDERTHREAD_OPENGL_PIPELINE_TEST(BakedOpRenderer, firstDrawBlend_srcover) {
101    // initialize blend state to nonsense value
102    renderThread.renderState().blend().setFactors(GL_ONE, GL_ONE);
103
104    drawFirstOp(renderThread.renderState(), 0xfeff0000, SkBlendMode::kSrcOver);
105    verifyBlendDisabled(renderThread.renderState());
106}
107