skia2/gm/fontcache.cpp
Brian Osman c7ad40f76f Remove SK_SUPPORT_GPU checks in tool-only code
Most of this is (obviously) not necessary to do, but once
I started, I figured I'd just get it all. Tools (nanobench,
DM, skiaserve), all GMs, benches, and unit tests, plus support
code (command line parsing and config stuff).

This is almost entirely mechanical.

Bug: skia:
Change-Id: I209500f8df8c5bd43f8298ff26440d1c4d7425fb
Reviewed-on: https://skia-review.googlesource.com/131153
Reviewed-by: Mike Klein <mtklein@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
2018-05-31 18:59:44 +00:00

143 lines
4.9 KiB
C++

/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
// GM to stress the GPU font cache
// It's not necessary to run this with CPU configs
#include "gm.h"
#include "GrContext.h"
#include "GrContextPriv.h"
#include "GrContextOptions.h"
#include "SkCanvas.h"
#include "SkGraphics.h"
#include "SkImage.h"
#include "SkTypeface.h"
#include "gm.h"
#include "sk_tool_utils.h"
static SkScalar draw_string(SkCanvas* canvas, const SkString& text, SkScalar x,
SkScalar y, const SkPaint& paint) {
canvas->drawString(text, x, y, paint);
return x + paint.measureText(text.c_str(), text.size());
}
class FontCacheGM : public skiagm::GM {
public:
FontCacheGM(GrContextOptions::Enable allowMultipleTextures)
: fAllowMultipleTextures(allowMultipleTextures) {
this->setBGColor(SK_ColorLTGRAY);
}
void modifyGrContextOptions(GrContextOptions* options) override {
options->fGlyphCacheTextureMaximumBytes = 0;
options->fAllowMultipleGlyphCacheTextures = fAllowMultipleTextures;
}
protected:
SkString onShortName() override {
SkString name("fontcache");
if (GrContextOptions::Enable::kYes == fAllowMultipleTextures) {
name.append("-mt");
}
return name;
}
SkISize onISize() override { return SkISize::Make(kSize, kSize); }
void onOnceBeforeDraw() override {
fTypefaces[0] = sk_tool_utils::create_portable_typeface("serif", SkFontStyle::Italic());
fTypefaces[1] = sk_tool_utils::create_portable_typeface("sans-serif",SkFontStyle::Italic());
fTypefaces[2] = sk_tool_utils::create_portable_typeface("serif", SkFontStyle::Normal());
fTypefaces[3] =
sk_tool_utils::create_portable_typeface("sans-serif", SkFontStyle::Normal());
fTypefaces[4] = sk_tool_utils::create_portable_typeface("serif", SkFontStyle::Bold());
fTypefaces[5] = sk_tool_utils::create_portable_typeface("sans-serif", SkFontStyle::Bold());
}
void onDraw(SkCanvas* canvas) override {
GrRenderTargetContext* renderTargetContext =
canvas->internal_private_accessTopLayerRenderTargetContext();
if (!renderTargetContext) {
skiagm::GM::DrawGpuOnlyMessage(canvas);
return;
}
canvas->clear(SK_ColorLTGRAY);
this->drawText(canvas);
// Debugging tool for GPU.
static const bool kShowAtlas = false;
if (kShowAtlas) {
if (auto ctx = canvas->getGrContext()) {
auto img = ctx->contextPriv().getFontAtlasImage_ForTesting(kA8_GrMaskFormat);
canvas->drawImage(img, 0, 0);
}
}
}
private:
void drawText(SkCanvas* canvas) {
static const int kSizes[] = {8, 9, 10, 11, 12, 13, 18, 20, 25};
static const SkString kTexts[] = {SkString("ABCDEFGHIJKLMNOPQRSTUVWXYZ"),
SkString("abcdefghijklmnopqrstuvwxyz"),
SkString("0123456789"),
SkString("!@#$%^&*()<>[]{}")};
SkPaint paint;
paint.setAntiAlias(true);
paint.setLCDRenderText(false);
paint.setSubpixelText(true);
static const SkScalar kSubPixelInc = 1 / 2.f;
SkScalar x = 0;
SkScalar y = 10;
SkScalar subpixelX = 0;
SkScalar subpixelY = 0;
bool offsetX = true;
if (GrContextOptions::Enable::kYes == fAllowMultipleTextures) {
canvas->scale(10, 10);
}
do {
for (auto s : kSizes) {
auto size = 2 * s;
paint.setTextSize(size);
for (const auto& typeface : fTypefaces) {
paint.setTypeface(typeface);
for (const auto& text : kTexts) {
x = size + draw_string(canvas, text, x + subpixelX, y + subpixelY, paint);
x = SkScalarCeilToScalar(x);
if (x + 100 > kSize) {
x = 0;
y += SkScalarCeilToScalar(size + 3);
if (y > kSize) {
return;
}
}
}
}
(offsetX ? subpixelX : subpixelY) += kSubPixelInc;
offsetX = !offsetX;
}
} while (true);
}
static constexpr SkScalar kSize = 1280;
GrContextOptions::Enable fAllowMultipleTextures;
sk_sp<SkTypeface> fTypefaces[6];
typedef GM INHERITED;
};
constexpr SkScalar FontCacheGM::kSize;
//////////////////////////////////////////////////////////////////////////////
DEF_GM(return new FontCacheGM(GrContextOptions::Enable::kNo))
DEF_GM(return new FontCacheGM(GrContextOptions::Enable::kYes))