skia2/tools/gpu/BackendTextureImageFactory.cpp
Brian Salomon 88d7e625f9 Make ManagedBackendTexture fail on invalid GrBackendTexture
Makes it more sensible.

A bunch of call sites we're already written to expect this. Update
some others.

Change-Id: I77c28045ebf01e6aa9d92d2ebc37287604ec10c9
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/332544
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
2020-11-05 20:21:14 +00:00

81 lines
3.4 KiB
C++

/*
* Copyright 2020 Google LLC
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "tools/gpu/BackendTextureImageFactory.h"
#include "include/core/SkImage.h"
#include "include/core/SkPixmap.h"
#include "include/gpu/GrBackendSurface.h"
#include "include/gpu/GrDirectContext.h"
#include "src/core/SkAutoPixmapStorage.h"
#include "tools/gpu/ManagedBackendTexture.h"
namespace sk_gpu_test {
sk_sp<SkImage> MakeBackendTextureImage(GrDirectContext* dContext,
const SkPixmap& pixmap,
GrRenderable renderable,
GrSurfaceOrigin origin) {
const SkPixmap* src = &pixmap;
SkAutoPixmapStorage temp;
if (origin == kBottomLeft_GrSurfaceOrigin) {
temp.alloc(src->info());
auto s = static_cast<const char*>(src->addr(0, pixmap.height() - 1));
auto d = static_cast<char*>(temp.writable_addr(0, 0));
for (int y = 0; y < temp.height(); ++y, s -= pixmap.rowBytes(), d += temp.rowBytes()) {
std::copy_n(s, temp.info().minRowBytes(), d);
}
src = &temp;
}
auto mbet = ManagedBackendTexture::MakeWithData(dContext, src, 1, renderable, GrProtected::kNo);
if (!mbet) {
return nullptr;
}
return SkImage::MakeFromTexture(dContext,
mbet->texture(),
origin,
src->colorType(),
src->alphaType(),
src->refColorSpace(),
ManagedBackendTexture::ReleaseProc,
mbet->releaseContext());
}
sk_sp<SkImage> MakeBackendTextureImage(GrDirectContext* dContext,
const SkImageInfo& info,
SkColor4f color,
GrMipmapped mipmapped,
GrRenderable renderable,
GrSurfaceOrigin origin) {
if (info.alphaType() == kOpaque_SkAlphaType) {
color = color.makeOpaque();
} else if (info.alphaType() == kPremul_SkAlphaType) {
auto pmColor = color.premul();
color = {pmColor.fR, pmColor.fG, pmColor.fB, pmColor.fA};
}
auto mbet = ManagedBackendTexture::MakeWithData(dContext,
info.width(),
info.height(),
info.colorType(),
color,
mipmapped,
renderable,
GrProtected::kNo);
if (!mbet) {
return nullptr;
}
return SkImage::MakeFromTexture(dContext,
mbet->texture(),
origin,
info.colorType(),
info.alphaType(),
info.refColorSpace(),
ManagedBackendTexture::ReleaseProc,
mbet->releaseContext());
}
} // namespace sk_gpu_test