1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
// This is a GPU-backend specific test.
#include "Test.h"
#if SK_SUPPORT_GPU
#include "GrTextureProxy.h"
#include "GrRenderTargetContext.h"
static const int kSize = 64;
static sk_sp<GrRenderTargetContext> get_rtc(GrContext* ctx, bool wrapped) {
if (wrapped) {
return ctx->makeRenderTargetContext(SkBackingFit::kExact,
kSize, kSize,
kRGBA_8888_GrPixelConfig, nullptr);
} else {
return ctx->makeDeferredRenderTargetContext(SkBackingFit::kExact,
kSize, kSize,
kRGBA_8888_GrPixelConfig, nullptr);
}
}
static void check_is_wrapped_status(skiatest::Reporter* reporter,
GrRenderTargetContext* rtCtx,
bool wrappedExpectation) {
REPORTER_ASSERT(reporter, rtCtx->isWrapped_ForTesting() == wrappedExpectation);
GrTextureProxy* tProxy = rtCtx->asDeferredTexture();
REPORTER_ASSERT(reporter, tProxy);
REPORTER_ASSERT(reporter, tProxy->isWrapped_ForTesting() == wrappedExpectation);
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(RenderTargetContextTest, reporter, ctxInfo) {
GrContext* ctx = ctxInfo.grContext();
// A wrapped rtCtx's textureProxy is also wrapped
{
sk_sp<GrRenderTargetContext> rtCtx(get_rtc(ctx, true));
check_is_wrapped_status(reporter, rtCtx.get(), true);
}
// A deferred rtCtx's textureProxy is also deferred and GrRenderTargetContext::instantiate()
// swaps both from deferred to wrapped
{
sk_sp<GrRenderTargetContext> rtCtx(get_rtc(ctx, false));
check_is_wrapped_status(reporter, rtCtx.get(), false);
GrRenderTarget* rt = rtCtx->instantiate();
REPORTER_ASSERT(reporter, rt);
check_is_wrapped_status(reporter, rtCtx.get(), true);
}
// Calling instantiate on a GrRenderTargetContext's textureProxy also instantiates the
// GrRenderTargetContext
{
sk_sp<GrRenderTargetContext> rtCtx(get_rtc(ctx, false));
check_is_wrapped_status(reporter, rtCtx.get(), false);
GrTextureProxy* tProxy = rtCtx->asDeferredTexture();
REPORTER_ASSERT(reporter, tProxy);
GrTexture* tex = tProxy->instantiate(ctx->textureProvider());
REPORTER_ASSERT(reporter, tex);
check_is_wrapped_status(reporter, rtCtx.get(), true);
}
// readPixels switches a deferred rtCtx to wrapped
{
sk_sp<GrRenderTargetContext> rtCtx(get_rtc(ctx, false));
check_is_wrapped_status(reporter, rtCtx.get(), false);
SkImageInfo dstInfo = SkImageInfo::MakeN32Premul(kSize, kSize);
SkAutoTMalloc<uint32_t> dstBuffer(kSize * kSize);
static const size_t kRowBytes = sizeof(uint32_t) * kSize;
bool result = rtCtx->readPixels(dstInfo, dstBuffer.get(), kRowBytes, 0, 0);
REPORTER_ASSERT(reporter, result);
check_is_wrapped_status(reporter, rtCtx.get(), true);
}
// TODO: in a future world we should be able to add a test that the majority of
// GrRenderTargetContext calls do not force the instantiation of a deferred
// GrRenderTargetContext
}
#endif
|
