Revert of Move SkGLContext and some GrGLInterface implementations to skgputest module

src/gpu/GrTest.cpp

Index: src/gpu/GrTest.cpp
diff --git a/src/gpu/GrTest.cpp b/src/gpu/GrTest.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..2b6463d8534835b9ac6d7a1f75a23f294497f3c9
--- /dev/null
+++ b/src/gpu/GrTest.cpp
@@ -0,0 +1,419 @@
+/*
+ * 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 "GrTest.h"
+
+#include "GrBatchAtlas.h"
+#include "GrContextOptions.h"
+#include "GrDrawContextPriv.h"
+#include "GrDrawingManager.h"
+#include "GrGpuResourceCacheAccess.h"
+#include "GrResourceCache.h"
+
+#include "SkGpuDevice.h"
+#include "SkGrPriv.h"
+#include "SkString.h"
+
+#include "text/GrBatchFontCache.h"
+#include "text/GrTextBlobCache.h"
+
+namespace GrTest {
+void SetupAlwaysEvictAtlas(GrContext* context) {
+    // These sizes were selected because they allow each atlas to hold a single plot and will thus
+    // stress the atlas
+    int dim = GrBatchAtlas::kGlyphMaxDim;
+    GrBatchAtlasConfig configs[3];
+    configs[kA8_GrMaskFormat].fWidth = dim;
+    configs[kA8_GrMaskFormat].fHeight = dim;
+    configs[kA8_GrMaskFormat].fLog2Width = SkNextLog2(dim);
+    configs[kA8_GrMaskFormat].fLog2Height = SkNextLog2(dim);
+    configs[kA8_GrMaskFormat].fPlotWidth = dim;
+    configs[kA8_GrMaskFormat].fPlotHeight = dim;
+
+    configs[kA565_GrMaskFormat].fWidth = dim;
+    configs[kA565_GrMaskFormat].fHeight = dim;
+    configs[kA565_GrMaskFormat].fLog2Width = SkNextLog2(dim);
+    configs[kA565_GrMaskFormat].fLog2Height = SkNextLog2(dim);
+    configs[kA565_GrMaskFormat].fPlotWidth = dim;
+    configs[kA565_GrMaskFormat].fPlotHeight = dim;
+
+    configs[kARGB_GrMaskFormat].fWidth = dim;
+    configs[kARGB_GrMaskFormat].fHeight = dim;
+    configs[kARGB_GrMaskFormat].fLog2Width = SkNextLog2(dim);
+    configs[kARGB_GrMaskFormat].fLog2Height = SkNextLog2(dim);
+    configs[kARGB_GrMaskFormat].fPlotWidth = dim;
+    configs[kARGB_GrMaskFormat].fPlotHeight = dim;
+
+    context->setTextContextAtlasSizes_ForTesting(configs);
+}
+};
+
+void GrTestTarget::init(GrContext* ctx, GrDrawTarget* target, GrRenderTarget* rt) {
+    SkASSERT(!fContext);
+
+    fContext.reset(SkRef(ctx));
+    fDrawTarget.reset(SkRef(target));
+    fRenderTarget.reset(SkRef(rt));
+}
+
+void GrContext::getTestTarget(GrTestTarget* tar, GrRenderTarget* rt) {
+    this->flush();
+    // We could create a proxy GrDrawTarget that passes through to fGpu until ~GrTextTarget() and
+    // then disconnects. This would help prevent test writers from mixing using the returned
+    // GrDrawTarget and regular drawing. We could also assert or fail in GrContext drawing methods
+    // until ~GrTestTarget().
+    if (!rt) {
+        GrSurfaceDesc desc;
+        desc.fFlags = kRenderTarget_GrSurfaceFlag;
+        desc.fWidth = 32;
+        desc.fHeight = 32;
+        desc.fConfig = kRGBA_8888_GrPixelConfig;
+        desc.fSampleCnt = 0;
+
+        SkAutoTUnref<GrTexture> texture(this->textureProvider()->createTexture(
+            desc, SkBudgeted::kNo, nullptr, 0));
+        if (nullptr == texture) {
+            return;
+        }
+        SkASSERT(nullptr != texture->asRenderTarget());
+        rt = texture->asRenderTarget();
+    }
+
+    SkAutoTUnref<GrDrawTarget> dt(fDrawingManager->newDrawTarget(rt));
+    tar->init(this, dt, rt);
+}
+
+void GrContext::setTextBlobCacheLimit_ForTesting(size_t bytes) {
+    fTextBlobCache->setBudget(bytes);
+}
+
+void GrContext::setTextContextAtlasSizes_ForTesting(const GrBatchAtlasConfig* configs) {
+    fBatchFontCache->setAtlasSizes_ForTesting(configs);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+void GrContext::purgeAllUnlockedResources() {
+    fResourceCache->purgeAllUnlocked();
+}
+
+void GrContext::resetGpuStats() const {
+#if GR_GPU_STATS
+    fGpu->stats()->reset();
+#endif
+}
+
+void GrContext::dumpCacheStats(SkString* out) const {
+#if GR_CACHE_STATS
+    fResourceCache->dumpStats(out);
+#endif
+}
+
+void GrContext::dumpCacheStatsKeyValuePairs(SkTArray<SkString>* keys,
+                                            SkTArray<double>* values) const {
+#if GR_CACHE_STATS
+    fResourceCache->dumpStatsKeyValuePairs(keys, values);
+#endif
+}
+
+void GrContext::printCacheStats() const {
+    SkString out;
+    this->dumpCacheStats(&out);
+    SkDebugf("%s", out.c_str());
+}
+
+void GrContext::dumpGpuStats(SkString* out) const {
+#if GR_GPU_STATS
+    return fGpu->stats()->dump(out);
+#endif
+}
+
+void GrContext::dumpGpuStatsKeyValuePairs(SkTArray<SkString>* keys,
+                                          SkTArray<double>* values) const {
+#if GR_GPU_STATS
+    return fGpu->stats()->dumpKeyValuePairs(keys, values);
+#endif
+}
+
+void GrContext::printGpuStats() const {
+    SkString out;
+    this->dumpGpuStats(&out);
+    SkDebugf("%s", out.c_str());
+}
+
+GrTexture* GrContext::getFontAtlasTexture(GrMaskFormat format) {
+    GrBatchFontCache* cache = this->getBatchFontCache();
+
+    return cache->getTexture(format);
+}
+
+void SkGpuDevice::drawTexture(GrTexture* tex, const SkRect& dst, const SkPaint& paint) {
+    GrPaint grPaint;
+    SkMatrix mat;
+    mat.reset();
+    if (!SkPaintToGrPaint(this->context(), paint, mat, &grPaint)) {
+        return;
+    }
+    SkMatrix textureMat;
+    textureMat.reset();
+    textureMat[SkMatrix::kMScaleX] = 1.0f/dst.width();
+    textureMat[SkMatrix::kMScaleY] = 1.0f/dst.height();
+    textureMat[SkMatrix::kMTransX] = -dst.fLeft/dst.width();
+    textureMat[SkMatrix::kMTransY] = -dst.fTop/dst.height();
+
+    grPaint.addColorTextureProcessor(tex, textureMat);
+
+    GrClip clip;
+    fDrawContext->drawRect(clip, grPaint, mat, dst);
+}
+
+
+#if GR_GPU_STATS
+void GrGpu::Stats::dump(SkString* out) {
+    out->appendf("Render Target Binds: %d\n", fRenderTargetBinds);
+    out->appendf("Shader Compilations: %d\n", fShaderCompilations);
+    out->appendf("Textures Created: %d\n", fTextureCreates);
+    out->appendf("Texture Uploads: %d\n", fTextureUploads);
+    out->appendf("Transfers to Texture: %d\n", fTransfersToTexture);
+    out->appendf("Stencil Buffer Creates: %d\n", fStencilAttachmentCreates);
+    out->appendf("Number of draws: %d\n", fNumDraws);
+}
+
+void GrGpu::Stats::dumpKeyValuePairs(SkTArray<SkString>* keys, SkTArray<double>* values) {
+    keys->push_back(SkString("render_target_binds")); values->push_back(fRenderTargetBinds);
+    keys->push_back(SkString("shader_compilations")); values->push_back(fShaderCompilations);
+    keys->push_back(SkString("texture_uploads")); values->push_back(fTextureUploads);
+    keys->push_back(SkString("number_of_draws")); values->push_back(fNumDraws);
+    keys->push_back(SkString("number_of_failed_draws")); values->push_back(fNumFailedDraws);
+}
+
+#endif
+
+#if GR_CACHE_STATS
+void GrResourceCache::getStats(Stats* stats) const {
+    stats->reset();
+
+    stats->fTotal = this->getResourceCount();
+    stats->fNumNonPurgeable = fNonpurgeableResources.count();
+    stats->fNumPurgeable = fPurgeableQueue.count();
+
+    for (int i = 0; i < fNonpurgeableResources.count(); ++i) {
+        stats->update(fNonpurgeableResources[i]);
+    }
+    for (int i = 0; i < fPurgeableQueue.count(); ++i) {
+        stats->update(fPurgeableQueue.at(i));
+    }
+}
+
+void GrResourceCache::dumpStats(SkString* out) const {
+    this->validate();
+
+    Stats stats;
+
+    this->getStats(&stats);
+
+    float countUtilization = (100.f * fBudgetedCount) / fMaxCount;
+    float byteUtilization = (100.f * fBudgetedBytes) / fMaxBytes;
+
+    out->appendf("Budget: %d items %d bytes\n", fMaxCount, (int)fMaxBytes);
+    out->appendf("\t\tEntry Count: current %d"
+                 " (%d budgeted, %d external(%d borrowed, %d adopted), %d locked, %d scratch %.2g%% full), high %d\n",
+                 stats.fTotal, fBudgetedCount, stats.fExternal, stats.fBorrowed,
+                 stats.fAdopted, stats.fNumNonPurgeable, stats.fScratch, countUtilization,
+                 fHighWaterCount);
+    out->appendf("\t\tEntry Bytes: current %d (budgeted %d, %.2g%% full, %d unbudgeted) high %d\n",
+                 SkToInt(fBytes), SkToInt(fBudgetedBytes), byteUtilization,
+                 SkToInt(stats.fUnbudgetedSize), SkToInt(fHighWaterBytes));
+}
+
+void GrResourceCache::dumpStatsKeyValuePairs(SkTArray<SkString>* keys,
+                                             SkTArray<double>* values) const {
+    this->validate();
+
+    Stats stats;
+    this->getStats(&stats);
+
+    keys->push_back(SkString("gpu_cache_purgable_entries")); values->push_back(stats.fNumPurgeable);
+}
+
+#endif
+
+///////////////////////////////////////////////////////////////////////////////
+
+void GrResourceCache::changeTimestamp(uint32_t newTimestamp) { fTimestamp = newTimestamp; }
+
+///////////////////////////////////////////////////////////////////////////////
+
+#define ASSERT_SINGLE_OWNER \
+    SkDEBUGCODE(GrSingleOwner::AutoEnforce debug_SingleOwner(fDrawContext->fSingleOwner);)
+#define RETURN_IF_ABANDONED        if (fDrawContext->fDrawingManager->abandoned()) { return; }
+
+void GrDrawContextPriv::testingOnly_drawBatch(const GrPipelineBuilder& pipelineBuilder,
+                                              GrDrawBatch* batch) {
+    ASSERT_SINGLE_OWNER
+    RETURN_IF_ABANDONED
+    SkDEBUGCODE(fDrawContext->validate();)
+    GR_AUDIT_TRAIL_AUTO_FRAME(fDrawContext->fAuditTrail, "GrDrawContext::testingOnly_drawBatch");
+
+    fDrawContext->getDrawTarget()->drawBatch(pipelineBuilder, batch);
+}
+
+#undef ASSERT_SINGLE_OWNER
+#undef RETURN_IF_ABANDONED
+
+///////////////////////////////////////////////////////////////////////////////
+// Code for the mock context. It's built on a mock GrGpu class that does nothing.
+////
+
+#include "GrGpu.h"
+
+class GrPipeline;
+
+class MockCaps : public GrCaps {
+public:
+    explicit MockCaps(const GrContextOptions& options) : INHERITED(options) {}
+    bool isConfigTexturable(GrPixelConfig config) const override { return false; }
+    bool isConfigRenderable(GrPixelConfig config, bool withMSAA) const override { return false; }
+private:
+    typedef GrCaps INHERITED;
+};
+
+class MockGpu : public GrGpu {
+public:
+    MockGpu(GrContext* context, const GrContextOptions& options) : INHERITED(context) {
+        fCaps.reset(new MockCaps(options));
+    }
+    ~MockGpu() override {}
+
+    bool onGetReadPixelsInfo(GrSurface* srcSurface, int readWidth, int readHeight, size_t rowBytes,
+                             GrPixelConfig readConfig, DrawPreference*,
+                             ReadPixelTempDrawInfo*) override { return false; }
+
+    bool onGetWritePixelsInfo(GrSurface* dstSurface, int width, int height,
+                              GrPixelConfig srcConfig, DrawPreference*,
+                              WritePixelTempDrawInfo*) override { return false; }
+
+    void discard(GrRenderTarget*) override {}
+
+    bool onCopySurface(GrSurface* dst,
+                       GrSurface* src,
+                       const SkIRect& srcRect,
+                       const SkIPoint& dstPoint) override { return false; };
+
+    void onGetMultisampleSpecs(GrRenderTarget* rt,
+                               const GrStencilSettings&,
+                               int* effectiveSampleCnt,
+                               SkAutoTDeleteArray<SkPoint>*) override {
+        *effectiveSampleCnt = rt->desc().fSampleCnt;
+    }
+
+    bool initCopySurfaceDstDesc(const GrSurface* src, GrSurfaceDesc* desc) const override {
+        return false;
+    }
+
+    void drawDebugWireRect(GrRenderTarget*, const SkIRect&, GrColor) override {};
+
+private:
+    void onResetContext(uint32_t resetBits) override {}
+
+    void xferBarrier(GrRenderTarget*, GrXferBarrierType) override {}
+
+    GrTexture* onCreateTexture(const GrSurfaceDesc& desc, GrGpuResource::LifeCycle lifeCycle,
+                               const SkTArray<GrMipLevel>& texels) override {
+        return nullptr;
+    }
+
+    GrTexture* onCreateCompressedTexture(const GrSurfaceDesc& desc, GrGpuResource::LifeCycle,
+                                         const SkTArray<GrMipLevel>& texels) override {
+        return nullptr;
+    }
+
+    GrTexture* onWrapBackendTexture(const GrBackendTextureDesc&,
+                                    GrWrapOwnership) override { return nullptr; }
+
+    GrRenderTarget* onWrapBackendRenderTarget(const GrBackendRenderTargetDesc&,
+                                              GrWrapOwnership) override {
+        return nullptr;
+    }
+
+    GrRenderTarget* onWrapBackendTextureAsRenderTarget(const GrBackendTextureDesc&,
+                                                       GrWrapOwnership) override {
+        return nullptr;
+    }
+
+    GrBuffer* onCreateBuffer(GrBufferType, size_t, GrAccessPattern) override { return nullptr; }
+
+    void onClear(GrRenderTarget*, const SkIRect& rect, GrColor color) override {}
+
+    void onClearStencilClip(GrRenderTarget*, const SkIRect& rect, bool insideClip) override {}
+
+    void onDraw(const GrPipeline&,
+                const GrPrimitiveProcessor&,
+                const GrMesh*,
+                int meshCount) override {}
+
+    bool onReadPixels(GrSurface* surface,
+                      int left, int top, int width, int height,
+                      GrPixelConfig,
+                      void* buffer,
+                      size_t rowBytes) override {
+        return false;
+    }
+
+    bool onWritePixels(GrSurface* surface,
+                       int left, int top, int width, int height,
+                       GrPixelConfig config, const SkTArray<GrMipLevel>& texels) override {
+        return false;
+    }
+
+    bool onTransferPixels(GrSurface* surface,
+                          int left, int top, int width, int height,
+                          GrPixelConfig config, GrBuffer* transferBuffer,
+                          size_t offset, size_t rowBytes) override {
+        return false;
+    }
+
+    void onResolveRenderTarget(GrRenderTarget* target) override { return; }
+
+    GrStencilAttachment* createStencilAttachmentForRenderTarget(const GrRenderTarget*,
+                                                                int width,
+                                                                int height) override {
+        return nullptr;
+    }
+
+    void clearStencil(GrRenderTarget* target) override  {}
+
+    GrBackendObject createTestingOnlyBackendTexture(void* pixels, int w, int h,
+                                                    GrPixelConfig config) override {
+        return 0;
+    }
+    bool isTestingOnlyBackendTexture(GrBackendObject ) const override { return false; }
+    void deleteTestingOnlyBackendTexture(GrBackendObject, bool abandonTexture) override {}
+
+    typedef GrGpu INHERITED;
+};
+
+GrContext* GrContext::CreateMockContext() {
+    GrContext* context = new GrContext;
+
+    context->initMockContext();
+    return context;
+}
+
+void GrContext::initMockContext() {
+    GrContextOptions options;
+    options.fBufferMapThreshold = 0;
+    SkASSERT(nullptr == fGpu);
+    fGpu = new MockGpu(this, options);
+    SkASSERT(fGpu);
+    this->initCommon(options);
+
+    // We delete these because we want to test the cache starting with zero resources. Also, none of
+    // these objects are required for any of tests that use this context. TODO: make stop allocating
+    // resources in the buffer pools.
+    fDrawingManager->abandon();
+}