blob: e8f6bcce6a31df2351b14c3a890ef7b4082c14b0 [file] [log] [blame]
* Copyright 2013 Google Inc.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#include "SkTypes.h"
#include "GrContext.h"
#include "GrTexture.h"
#include "GrTexturePriv.h"
#include "SkCanvas.h"
#include "SkGr.h"
#include "SkSurface.h"
#include "Test.h"
// Tests that GrSurface::asTexture(), GrSurface::asRenderTarget(), and static upcasting of texture
// and render targets to GrSurface all work as expected.
DEF_GPUTEST_FOR_NULLGL_CONTEXT(GrTextureMipMapInvalidationTest, reporter, ctxInfo) {
GrContext* context = ctxInfo.grContext();
GrSurfaceDesc desc;
desc.fConfig = kSkia8888_GrPixelConfig;
desc.fFlags = kRenderTarget_GrSurfaceFlag;
desc.fWidth = 256;
desc.fHeight = 256;
desc.fSampleCnt = 0;
GrSurface* texRT1 = context->textureProvider()->createTexture(
desc, SkBudgeted::kNo, nullptr, 0);
GrSurface* texRT2 = context->textureProvider()->createTexture(
desc, SkBudgeted::kNo, nullptr, 0);
REPORTER_ASSERT(reporter, nullptr != texRT1);
REPORTER_ASSERT(reporter, nullptr != texRT2);
GrTexture* tex = texRT1->asTexture();
REPORTER_ASSERT(reporter, nullptr != tex);
SkBitmap bitmap;
GrWrapTextureInBitmap(tex, 256, 256, false, &bitmap);
// No mipmaps initially
REPORTER_ASSERT(reporter, false == tex->texturePriv().hasMipMaps());
// Painting with downscale and medium filter quality should result in mipmap creation
auto surface = SkSurface::MakeRenderTargetDirect(texRT2->asRenderTarget());
SkPaint paint;
surface->getCanvas()->scale(0.2f, 0.2f);
surface->getCanvas()->drawBitmap(bitmap, 0, 0, &paint);
REPORTER_ASSERT(reporter, true == tex->texturePriv().hasMipMaps());
REPORTER_ASSERT(reporter, false == tex->texturePriv().mipMapsAreDirty());
// Invalidating the contents of the bitmap should invalidate the mipmap, but not de-allocate
REPORTER_ASSERT(reporter, true == tex->texturePriv().hasMipMaps());
REPORTER_ASSERT(reporter, true == tex->texturePriv().mipMapsAreDirty());