1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker * Copyright 2014 Google Inc.
3*c8dee2aaSAndroid Build Coastguard Worker *
4*c8dee2aaSAndroid Build Coastguard Worker * Use of this source code is governed by a BSD-style license that can be
5*c8dee2aaSAndroid Build Coastguard Worker * found in the LICENSE file.
6*c8dee2aaSAndroid Build Coastguard Worker */
7*c8dee2aaSAndroid Build Coastguard Worker
8*c8dee2aaSAndroid Build Coastguard Worker /*
9*c8dee2aaSAndroid Build Coastguard Worker * This is a straightforward test of floating point textures, which are
10*c8dee2aaSAndroid Build Coastguard Worker * supported on some platforms. As of right now, this test only supports
11*c8dee2aaSAndroid Build Coastguard Worker * 32 bit floating point textures, and indeed floating point test values
12*c8dee2aaSAndroid Build Coastguard Worker * have been selected to require 32 bits of precision and full IEEE conformance
13*c8dee2aaSAndroid Build Coastguard Worker */
14*c8dee2aaSAndroid Build Coastguard Worker
15*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkAlphaType.h"
16*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkColorSpace.h"
17*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkRefCnt.h"
18*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkString.h"
19*c8dee2aaSAndroid Build Coastguard Worker #include "include/gpu/GpuTypes.h"
20*c8dee2aaSAndroid Build Coastguard Worker #include "include/gpu/ganesh/GrDirectContext.h"
21*c8dee2aaSAndroid Build Coastguard Worker #include "include/gpu/ganesh/GrTypes.h"
22*c8dee2aaSAndroid Build Coastguard Worker #include "include/private/base/SkTDArray.h"
23*c8dee2aaSAndroid Build Coastguard Worker #include "include/private/gpu/ganesh/GrTypesPriv.h"
24*c8dee2aaSAndroid Build Coastguard Worker #include "src/base/SkHalf.h"
25*c8dee2aaSAndroid Build Coastguard Worker #include "src/gpu/ganesh/GrDirectContextPriv.h"
26*c8dee2aaSAndroid Build Coastguard Worker #include "src/gpu/ganesh/GrImageInfo.h"
27*c8dee2aaSAndroid Build Coastguard Worker #include "src/gpu/ganesh/GrPixmap.h"
28*c8dee2aaSAndroid Build Coastguard Worker #include "src/gpu/ganesh/GrSurfaceProxyView.h"
29*c8dee2aaSAndroid Build Coastguard Worker #include "src/gpu/ganesh/SurfaceContext.h"
30*c8dee2aaSAndroid Build Coastguard Worker #include "tests/CtsEnforcement.h"
31*c8dee2aaSAndroid Build Coastguard Worker #include "tests/Test.h"
32*c8dee2aaSAndroid Build Coastguard Worker #include "tools/gpu/ProxyUtils.h"
33*c8dee2aaSAndroid Build Coastguard Worker
34*c8dee2aaSAndroid Build Coastguard Worker #include <cstring>
35*c8dee2aaSAndroid Build Coastguard Worker #include <initializer_list>
36*c8dee2aaSAndroid Build Coastguard Worker #include <memory>
37*c8dee2aaSAndroid Build Coastguard Worker #include <utility>
38*c8dee2aaSAndroid Build Coastguard Worker
39*c8dee2aaSAndroid Build Coastguard Worker struct GrContextOptions;
40*c8dee2aaSAndroid Build Coastguard Worker
41*c8dee2aaSAndroid Build Coastguard Worker static const int DEV_W = 100, DEV_H = 100;
42*c8dee2aaSAndroid Build Coastguard Worker
43*c8dee2aaSAndroid Build Coastguard Worker template <typename T>
runFPTest(skiatest::Reporter * reporter,GrDirectContext * dContext,T min,T max,T epsilon,T maxInt,int arraySize,GrColorType colorType)44*c8dee2aaSAndroid Build Coastguard Worker void runFPTest(skiatest::Reporter* reporter, GrDirectContext* dContext,
45*c8dee2aaSAndroid Build Coastguard Worker T min, T max, T epsilon, T maxInt,
46*c8dee2aaSAndroid Build Coastguard Worker int arraySize, GrColorType colorType) {
47*c8dee2aaSAndroid Build Coastguard Worker if (0 != arraySize % 4) {
48*c8dee2aaSAndroid Build Coastguard Worker REPORT_FAILURE(reporter, "(0 != arraySize % 4)",
49*c8dee2aaSAndroid Build Coastguard Worker SkString("arraySize must be divisible by 4."));
50*c8dee2aaSAndroid Build Coastguard Worker return;
51*c8dee2aaSAndroid Build Coastguard Worker }
52*c8dee2aaSAndroid Build Coastguard Worker
53*c8dee2aaSAndroid Build Coastguard Worker SkTDArray<T> controlPixelData, readBuffer;
54*c8dee2aaSAndroid Build Coastguard Worker controlPixelData.resize(arraySize);
55*c8dee2aaSAndroid Build Coastguard Worker readBuffer.resize(arraySize);
56*c8dee2aaSAndroid Build Coastguard Worker
57*c8dee2aaSAndroid Build Coastguard Worker for (int i = 0; i < arraySize; i += 4) {
58*c8dee2aaSAndroid Build Coastguard Worker controlPixelData[i + 0] = min;
59*c8dee2aaSAndroid Build Coastguard Worker controlPixelData[i + 1] = max;
60*c8dee2aaSAndroid Build Coastguard Worker controlPixelData[i + 2] = epsilon;
61*c8dee2aaSAndroid Build Coastguard Worker controlPixelData[i + 3] = maxInt;
62*c8dee2aaSAndroid Build Coastguard Worker }
63*c8dee2aaSAndroid Build Coastguard Worker
64*c8dee2aaSAndroid Build Coastguard Worker for (auto origin : {kTopLeft_GrSurfaceOrigin, kBottomLeft_GrSurfaceOrigin}) {
65*c8dee2aaSAndroid Build Coastguard Worker GrImageInfo info(colorType, kPremul_SkAlphaType, nullptr, {DEV_W, DEV_H});
66*c8dee2aaSAndroid Build Coastguard Worker GrCPixmap controlPixmap(info, controlPixelData.begin(), info.minRowBytes());
67*c8dee2aaSAndroid Build Coastguard Worker auto fpView = sk_gpu_test::MakeTextureProxyViewFromData(dContext,
68*c8dee2aaSAndroid Build Coastguard Worker GrRenderable::kYes,
69*c8dee2aaSAndroid Build Coastguard Worker origin,
70*c8dee2aaSAndroid Build Coastguard Worker controlPixmap);
71*c8dee2aaSAndroid Build Coastguard Worker // Floating point textures are NOT supported everywhere
72*c8dee2aaSAndroid Build Coastguard Worker if (!fpView) {
73*c8dee2aaSAndroid Build Coastguard Worker continue;
74*c8dee2aaSAndroid Build Coastguard Worker }
75*c8dee2aaSAndroid Build Coastguard Worker
76*c8dee2aaSAndroid Build Coastguard Worker auto sc = dContext->priv().makeSC(std::move(fpView), info.colorInfo());
77*c8dee2aaSAndroid Build Coastguard Worker REPORTER_ASSERT(reporter, sc);
78*c8dee2aaSAndroid Build Coastguard Worker
79*c8dee2aaSAndroid Build Coastguard Worker GrPixmap readPixmap(info, readBuffer.begin(), info.minRowBytes());
80*c8dee2aaSAndroid Build Coastguard Worker bool result = sc->readPixels(dContext, readPixmap, {0, 0});
81*c8dee2aaSAndroid Build Coastguard Worker REPORTER_ASSERT(reporter, result);
82*c8dee2aaSAndroid Build Coastguard Worker REPORTER_ASSERT(reporter,
83*c8dee2aaSAndroid Build Coastguard Worker !memcmp(readBuffer.begin(), controlPixelData.begin(), readBuffer.size_bytes()));
84*c8dee2aaSAndroid Build Coastguard Worker }
85*c8dee2aaSAndroid Build Coastguard Worker }
86*c8dee2aaSAndroid Build Coastguard Worker
87*c8dee2aaSAndroid Build Coastguard Worker static const int HALF_ALPHA_CONTROL_ARRAY_SIZE = DEV_W * DEV_H * 1 /*alpha-only*/;
88*c8dee2aaSAndroid Build Coastguard Worker static const SkHalf kMaxIntegerRepresentableInHalfFloatingPoint = 0x6800; // 2 ^ 11
89*c8dee2aaSAndroid Build Coastguard Worker
DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS(HalfFloatAlphaTextureTest,reporter,ctxInfo,CtsEnforcement::kApiLevel_T)90*c8dee2aaSAndroid Build Coastguard Worker DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS(HalfFloatAlphaTextureTest,
91*c8dee2aaSAndroid Build Coastguard Worker reporter,
92*c8dee2aaSAndroid Build Coastguard Worker ctxInfo,
93*c8dee2aaSAndroid Build Coastguard Worker CtsEnforcement::kApiLevel_T) {
94*c8dee2aaSAndroid Build Coastguard Worker auto direct = ctxInfo.directContext();
95*c8dee2aaSAndroid Build Coastguard Worker
96*c8dee2aaSAndroid Build Coastguard Worker runFPTest<SkHalf>(reporter, direct, SK_HalfMin, SK_HalfMax, SK_HalfEpsilon,
97*c8dee2aaSAndroid Build Coastguard Worker kMaxIntegerRepresentableInHalfFloatingPoint, HALF_ALPHA_CONTROL_ARRAY_SIZE,
98*c8dee2aaSAndroid Build Coastguard Worker GrColorType::kAlpha_F16);
99*c8dee2aaSAndroid Build Coastguard Worker }
100*c8dee2aaSAndroid Build Coastguard Worker
101*c8dee2aaSAndroid Build Coastguard Worker static const int HALF_RGBA_CONTROL_ARRAY_SIZE = DEV_W * DEV_H * 4 /*RGBA*/;
102*c8dee2aaSAndroid Build Coastguard Worker
DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS(HalfFloatRGBATextureTest,reporter,ctxInfo,CtsEnforcement::kApiLevel_T)103*c8dee2aaSAndroid Build Coastguard Worker DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS(HalfFloatRGBATextureTest,
104*c8dee2aaSAndroid Build Coastguard Worker reporter,
105*c8dee2aaSAndroid Build Coastguard Worker ctxInfo,
106*c8dee2aaSAndroid Build Coastguard Worker CtsEnforcement::kApiLevel_T) {
107*c8dee2aaSAndroid Build Coastguard Worker auto direct = ctxInfo.directContext();
108*c8dee2aaSAndroid Build Coastguard Worker
109*c8dee2aaSAndroid Build Coastguard Worker runFPTest<SkHalf>(reporter, direct, SK_HalfMin, SK_HalfMax, SK_HalfEpsilon,
110*c8dee2aaSAndroid Build Coastguard Worker kMaxIntegerRepresentableInHalfFloatingPoint, HALF_RGBA_CONTROL_ARRAY_SIZE,
111*c8dee2aaSAndroid Build Coastguard Worker GrColorType::kRGBA_F16);
112*c8dee2aaSAndroid Build Coastguard Worker }
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