remove/deprecate SkBitmap::getTexture, as it now always returns false

src/gpu/SkGpuDevice.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkGpuDevice.h"
 
 #include "GrBlurUtils.h"
@@ skipping 49 matching lines @@
         do {                                                    \
             if (gShouldDrawProc && !gShouldDrawProc()) return;  \
             this->prepareDraw(draw);                            \
         } while (0)
 #else
     #define CHECK_SHOULD_DRAW(draw) this->prepareDraw(draw)
 #endif
 
 ///////////////////////////////////////////////////////////////////////////////
 
-// Helper for turning a bitmap into a texture. If the bitmap is GrTexture backed this
-// just accesses the backing GrTexture. Otherwise, it creates a cached texture
+// Helper for turning a bitmap into a texture. It creates a cached texture
 // representation and releases it in the destructor.
 class AutoBitmapTexture : public SkNoncopyable {

[bsalomon, 2016/07/22 18:06:49]

Can we just replace this whole thing with

sk_sp<GrTexture> texture = GrRefCachedBitmapTexgture(...);

?

[reed1, 2016/07/22 21:46:35]

Done.

 public:
     AutoBitmapTexture() {}
 
     AutoBitmapTexture(GrContext* context,
                       const SkBitmap& bitmap,
                       const GrTextureParams& params,
                       SkSourceGammaTreatment gammaTreatment,
                       GrTexture** texture) {
         SkASSERT(texture);
         *texture = this->set(context, bitmap, params, gammaTreatment);
     }
 
     GrTexture* set(GrContext* context,
                    const SkBitmap& bitmap,
                    const GrTextureParams& params,
                    SkSourceGammaTreatment gammaTreatment) {
-        // Either get the texture directly from the bitmap, or else use the cache and
-        // remember to unref it.
-        if (GrTexture* bmpTexture = bitmap.getTexture()) {
-            fTexture.reset(nullptr);
-            return bmpTexture;
-        } else {
-            fTexture.reset(GrRefCachedBitmapTexture(context, bitmap, params, gammaTreatment));
-            return fTexture.get();
-        }
+        // Use the cache and remember to unref it.
+        fTexture.reset(GrRefCachedBitmapTexture(context, bitmap, params, gammaTreatment));
+        return fTexture.get();
     }
 
 private:
     SkAutoTUnref<GrTexture> fTexture;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 /** Checks that the alpha type is legal and gets constructor flags. Returns false if device creation
     should fail. */
@@ skipping 720 matching lines @@
 }
 
 bool SkGpuDevice::shouldTileBitmap(const SkBitmap& bitmap,
                                    const SkMatrix& viewMatrix,
                                    const GrTextureParams& params,
                                    const SkRect* srcRectPtr,
                                    int maxTileSize,
                                    int* tileSize,
                                    SkIRect* clippedSrcRect) const {
     ASSERT_SINGLE_OWNER
-    // if bitmap is explictly texture backed then just use the texture
-    if (bitmap.getTexture()) {
-        return false;
-    }
-
     return this->shouldTileImageID(bitmap.getGenerationID(), bitmap.getSubset(), viewMatrix, params,
                                    srcRectPtr, maxTileSize, tileSize, clippedSrcRect);
 }
 
 bool SkGpuDevice::shouldTileImage(const SkImage* image, const SkRect* srcRectPtr,
                                   SkCanvas::SrcRectConstraint constraint, SkFilterQuality quality,
                                   const SkMatrix& viewMatrix) const {
     ASSERT_SINGLE_OWNER
     // if image is explictly texture backed then just use the texture
     if (as_IB(image)->peekTexture()) {
@@ skipping 26 matching lines @@
 }
 
 void SkGpuDevice::drawBitmap(const SkDraw& origDraw,
                              const SkBitmap& bitmap,
                              const SkMatrix& m,
                              const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
     CHECK_SHOULD_DRAW(origDraw);
     SkMatrix viewMatrix;
     viewMatrix.setConcat(*origDraw.fMatrix, m);
-    if (bitmap.getTexture()) {
-        GrBitmapTextureAdjuster adjuster(&bitmap);
-        // We can use kFast here because we know texture-backed bitmaps don't support extractSubset.
-        this->drawTextureProducer(&adjuster, nullptr, nullptr, SkCanvas::kFast_SrcRectConstraint,
-                                  viewMatrix, fClip, paint);
-        return;
-    }
+
     int maxTileSize = fContext->caps()->maxTileSize();
 
     // The tile code path doesn't currently support AA, so if the paint asked for aa and we could
     // draw untiled, then we bypass checking for tiling purely for optimization reasons.
     bool drawAA = !fDrawContext->isUnifiedMultisampled() &&
                   paint.isAntiAlias() &&
                   bitmap.width() <= maxTileSize &&
                   bitmap.height() <= maxTileSize;
 
     bool skipTileCheck = drawAA || paint.getMaskFilter();
@@ skipping 176 matching lines @@
                                      const SkMatrix& viewMatrix,
                                      const SkRect& srcRect,
                                      const GrTextureParams& params,
                                      const SkPaint& paint,
                                      SkCanvas::SrcRectConstraint constraint,
                                      bool bicubic,
                                      bool needsTextureDomain) {
     // We should have already handled bitmaps larger than the max texture size.
     SkASSERT(bitmap.width() <= fContext->caps()->maxTextureSize() &&
              bitmap.height() <= fContext->caps()->maxTextureSize());
     // Unless the bitmap is inherently texture-backed, we should be respecting the max tile size

[bsalomon, 2016/07/22 18:06:49]

Modify comment to remove language about texture-backed?

[reed1, 2016/07/22 21:46:35]

Done.

     // by the time we get here.
-    SkASSERT(bitmap.getTexture() ||
-             (bitmap.width() <= fContext->caps()->maxTileSize() &&
-              bitmap.height() <= fContext->caps()->maxTileSize()));
+    SkASSERT(bitmap.width() <= fContext->caps()->maxTileSize() &&
+             bitmap.height() <= fContext->caps()->maxTileSize());
 
     GrTexture* texture;
     SkSourceGammaTreatment gammaTreatment = this->surfaceProps().isGammaCorrect()
         ? SkSourceGammaTreatment::kRespect : SkSourceGammaTreatment::kIgnore;
     AutoBitmapTexture abt(fContext, bitmap, params, gammaTreatment, &texture);
     if (nullptr == texture) {
         return;
     }
 
     SkColorSpace* dstColorSpace = nullptr; // XFORMTODO
@@ skipping 77 matching lines @@
 void SkGpuDevice::drawSprite(const SkDraw& draw, const SkBitmap& bitmap,
                              int left, int top, const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
     CHECK_SHOULD_DRAW(draw);
     GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawSprite", fContext);
 
     if (fContext->abandoned()) {
         return;
     }
 
-    sk_sp<GrTexture> texture = sk_ref_sp(bitmap.getTexture());
-    if (!texture) {
+    sk_sp<GrTexture> texture;
+    {
         SkAutoLockPixels alp(bitmap, true);
         if (!bitmap.readyToDraw()) {
             return;
         }
 
         // draw sprite neither filters nor tiles.
         texture.reset(GrRefCachedBitmapTexture(fContext, bitmap,
                                                GrTextureParams::ClampNoFilter(),
                                                SkSourceGammaTreatment::kRespect));
         if (!texture) {
@@ skipping 68 matching lines @@
                                                   SkIntToScalar(subset.fTop) / texture->height(),
                                                   SkIntToScalar(subset.width()) / texture->width(),
                                                   SkIntToScalar(subset.height()) / texture->height()));
 }
 
 void SkGpuDevice::drawBitmapRect(const SkDraw& draw, const SkBitmap& bitmap,
                                  const SkRect* src, const SkRect& origDst,
                                  const SkPaint& paint, SkCanvas::SrcRectConstraint constraint) {
     ASSERT_SINGLE_OWNER
     CHECK_SHOULD_DRAW(draw);
-    if (bitmap.getTexture()) {
-        GrBitmapTextureAdjuster adjuster(&bitmap);
-        this->drawTextureProducer(&adjuster, src, &origDst, constraint, *draw.fMatrix, fClip,
-                                  paint);
-        return;
-    }
+
     // The src rect is inferred to be the bmp bounds if not provided. Otherwise, the src rect must
     // be clipped to the bmp bounds. To determine tiling parameters we need the filter mode which
     // in turn requires knowing the src-to-dst mapping. If the src was clipped to the bmp bounds
     // then we use the src-to-dst mapping to compute a new clipped dst rect.
     const SkRect* dst = &origDst;
     const SkRect bmpBounds = SkRect::MakeIWH(bitmap.width(), bitmap.height());
     // Compute matrix from the two rectangles
     if (!src) {
         src = &bmpBounds;
     }
@@ skipping 58 matching lines @@
             this->drawTiledBitmap(bitmap, viewMatrix, *src, clippedSrcRect, params, paint,
                                   constraint, tileSize, doBicubic);
             return;
         }
     }
     GrBitmapTextureMaker maker(fContext, bitmap);
     this->drawTextureProducer(&maker, src, dst, constraint, *draw.fMatrix, fClip, paint);
 }
 
 sk_sp<SkSpecialImage> SkGpuDevice::makeSpecial(const SkBitmap& bitmap) {
-    SkASSERT(!bitmap.getTexture());
-
     SkAutoLockPixels alp(bitmap, true);
     if (!bitmap.readyToDraw()) {
         return nullptr;
     }
 
     GrTexture* texture;
     AutoBitmapTexture abt(fContext, bitmap, GrTextureParams::ClampNoFilter(),   
                           SkSourceGammaTreatment::kRespect, &texture);
     if (!texture) {
         return nullptr;
@@ skipping 188 matching lines @@
             this->drawProducerNine(draw, &maker, center, dst, paint);
         } else if (as_IB(image)->getROPixels(&bm)) {
             this->drawBitmapNine(draw, bm, center, dst, paint);
         }
     }
 }
 
 void SkGpuDevice::drawBitmapNine(const SkDraw& draw, const SkBitmap& bitmap, const SkIRect& center,
                                  const SkRect& dst, const SkPaint& paint) {
     ASSERT_SINGLE_OWNER
-    if (bitmap.getTexture()) {
-        GrBitmapTextureAdjuster adjuster(&bitmap);
-        this->drawProducerNine(draw, &adjuster, center, dst, paint);
-    } else {
-        GrBitmapTextureMaker maker(fContext, bitmap);
-        this->drawProducerNine(draw, &maker, center, dst, paint);
-    }
+    GrBitmapTextureMaker maker(fContext, bitmap);
+    this->drawProducerNine(draw, &maker, center, dst, paint);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 // must be in SkCanvas::VertexMode order
 static const GrPrimitiveType gVertexMode2PrimitiveType[] = {
     kTriangles_GrPrimitiveType,
     kTriangleStrip_GrPrimitiveType,
     kTriangleFan_GrPrimitiveType,
 };
@@ skipping 275 matching lines @@
 }
 
 SkImageFilterCache* SkGpuDevice::getImageFilterCache() {
     ASSERT_SINGLE_OWNER
     // We always return a transient cache, so it is freed after each
     // filter traversal.
     return SkImageFilterCache::Create(kDefaultImageFilterCacheSize);
 }
 
 #endif