Plumb in "bleed" flag

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 "effects/GrTextureDomainEffect.h"
@@ skipping 1064 matching lines @@
     } else {
         return false;
     }
 }
 
 void SkGpuDevice::drawBitmap(const SkDraw& draw,
                              const SkBitmap& bitmap,
                              const SkMatrix& m,
                              const SkPaint& paint) {
     // We cannot call drawBitmapRect here since 'm' could be anything
-    this->drawBitmapCommon(draw, bitmap, NULL, m, paint);
+    this->drawBitmapCommon(draw, bitmap, NULL, m, paint,
+                           SkCanvas::kNone_DrawBitmapRectflag);
 }
 
 void SkGpuDevice::drawBitmapCommon(const SkDraw& draw,
                                    const SkBitmap& bitmap,
                                    const SkRect* srcRectPtr,
                                    const SkMatrix& m,
-                                   const SkPaint& paint) {
+                                   const SkPaint& paint,
+                                   SkCanvas::DrawBitmapRectFlags flags) {
     CHECK_SHOULD_DRAW(draw, false);
 
     SkRect srcRect;
     if (NULL == srcRectPtr) {
         srcRect.set(0, 0, SkIntToScalar(bitmap.width()), SkIntToScalar(bitmap.height()));
     } else {
         srcRect = *srcRectPtr;
     }
 
     if (paint.getMaskFilter()){
+        // TODO: this path needs to be updated to respect the bleed flag
+
         // Convert the bitmap to a shader so that the rect can be drawn
         // through drawRect, which supports mask filters.
         SkMatrix        newM(m);
         SkBitmap        tmp;    // subset of bitmap, if necessary
         const SkBitmap* bitmapPtr = &bitmap;
         if (NULL != srcRectPtr) {
             SkIRect iSrc;
             srcRect.roundOut(&iSrc);
             if (!bitmap.extractSubset(&tmp, iSrc)) {
                 return;     // extraction failed
@@ skipping 48 matching lines @@
                                         "MIPMaps.");
             textureFilterMode = GrTextureParams::kMipMap_FilterMode;
             break;
 
     }
 
     params.setFilterMode(textureFilterMode);
 
     if (!this->shouldTileBitmap(bitmap, params, srcRectPtr)) {
         // take the simple case
-        this->internalDrawBitmap(bitmap, srcRect, m, params, paint);
+        this->internalDrawBitmap(bitmap, srcRect, m, params, paint, flags);
     } else {
-        this->drawTiledBitmap(bitmap, srcRect, m, params, paint);
+        this->drawTiledBitmap(bitmap, srcRect, m, params, paint, flags);
     }
 }
 
 // Break 'bitmap' into several tiles to draw it since it has already
 // been determined to be too large to fit in VRAM
 void SkGpuDevice::drawTiledBitmap(const SkBitmap& bitmap,
                                   const SkRect& srcRect,
                                   const SkMatrix& m,
                                   const GrTextureParams& params,
-                                  const SkPaint& paint) {
+                                  const SkPaint& paint,
+                                  SkCanvas::DrawBitmapRectFlags flags) {
+    // TODO: this method needs to be updated to respect the bleed flag
     const int maxTextureSize = fContext->getMaxTextureSize();
 
     int tileSize = determine_tile_size(bitmap, srcRect, maxTextureSize);
 
     // compute clip bounds in local coordinates
     SkRect clipRect;
     {
         const GrRenderTarget* rt = fContext->getRenderTarget();
         clipRect.setWH(SkIntToScalar(rt->width()), SkIntToScalar(rt->height()));
         if (!fContext->getClip()->fClipStack->intersectRectWithClip(&clipRect)) {
@@ skipping 28 matching lines @@
             SkBitmap tmpB;
             SkIRect iTileR;
             tileR.roundOut(&iTileR);
             if (bitmap.extractSubset(&tmpB, iTileR)) {
                 // now offset it to make it "local" to our tmp bitmap
                 tileR.offset(SkIntToScalar(-iTileR.fLeft), SkIntToScalar(-iTileR.fTop));
                 SkMatrix tmpM(m);
                 tmpM.preTranslate(SkIntToScalar(iTileR.fLeft),
                                   SkIntToScalar(iTileR.fTop));
 
-                this->internalDrawBitmap(tmpB, tileR, tmpM, params, paint);
+                this->internalDrawBitmap(tmpB, tileR, tmpM, params, paint, flags);
             }
         }
     }
 }
 
 static bool has_aligned_samples(const SkRect& srcRect,
                                 const SkRect& transformedRect) {
     // detect pixel disalignment
     if (SkScalarAbs(SkScalarRoundToScalar(transformedRect.left()) -
             transformedRect.left()) < COLOR_BLEED_TOLERANCE &&
@@ skipping 38 matching lines @@
  *  This is called by drawBitmap(), which has to handle images that may be too
  *  large to be represented by a single texture.
  *
  *  internalDrawBitmap assumes that the specified bitmap will fit in a texture
  *  and that non-texture portion of the GrPaint has already been setup.
  */
 void SkGpuDevice::internalDrawBitmap(const SkBitmap& bitmap,
                                      const SkRect& srcRect,
                                      const SkMatrix& m,
                                      const GrTextureParams& params,
-                                     const SkPaint& paint) {
+                                     const SkPaint& paint,
+                                     SkCanvas::DrawBitmapRectFlags flags) {
     SkASSERT(bitmap.width() <= fContext->getMaxTextureSize() &&
              bitmap.height() <= fContext->getMaxTextureSize());
 
     GrTexture* texture;
     SkAutoCachedTexture act(this, bitmap, &params, &texture);
     if (NULL == texture) {
         return;
     }
 
     SkRect dstRect(srcRect);
     SkRect paintRect;
     SkScalar wInv = SkScalarInvert(SkIntToScalar(bitmap.width()));
     SkScalar hInv = SkScalarInvert(SkIntToScalar(bitmap.height()));
     paintRect.setLTRB(SkScalarMul(srcRect.fLeft,   wInv),
                       SkScalarMul(srcRect.fTop,    hInv),
                       SkScalarMul(srcRect.fRight,  wInv),
                       SkScalarMul(srcRect.fBottom, hInv));
 
     bool needsTextureDomain = false;
-    if (params.filterMode() != GrTextureParams::kNone_FilterMode) {
+    if (!(flags & SkCanvas::kBleed_DrawBitmapRectFlag) &&
+        params.filterMode() != GrTextureParams::kNone_FilterMode) {
         // Need texture domain if drawing a sub rect.
         needsTextureDomain = srcRect.width() < bitmap.width() ||
                              srcRect.height() < bitmap.height();
         if (needsTextureDomain && m.rectStaysRect() && fContext->getMatrix().rectStaysRect()) {
             // sampling is axis-aligned
             SkRect transformedRect;
             SkMatrix srcToDeviceMatrix(m);
             srcToDeviceMatrix.postConcat(fContext->getMatrix());
             srcToDeviceMatrix.mapRect(&transformedRect, srcRect);
 
@@ skipping 109 matching lines @@
                                               SkIntToScalar(w),
                                               SkIntToScalar(h)),
                              SkRect::MakeXYWH(0,
                                               0,
                                               SK_Scalar1 * w / texture->width(),
                                               SK_Scalar1 * h / texture->height()));
 }
 
 void SkGpuDevice::drawBitmapRect(const SkDraw& draw, const SkBitmap& bitmap,
                                  const SkRect* src, const SkRect& dst,
-                                 const SkPaint& paint) {
+                                 const SkPaint& paint,
+                                 SkCanvas::DrawBitmapRectFlags flags) {
     SkMatrix    matrix;
     SkRect      bitmapBounds, tmpSrc;
 
     bitmapBounds.set(0, 0,
                      SkIntToScalar(bitmap.width()),
                      SkIntToScalar(bitmap.height()));
 
     // Compute matrix from the two rectangles
     if (NULL != src) {
         tmpSrc = *src;
     } else {
         tmpSrc = bitmapBounds;
     }
     matrix.setRectToRect(tmpSrc, dst, SkMatrix::kFill_ScaleToFit);
 
     // clip the tmpSrc to the bounds of the bitmap. No check needed if src==null.
     if (NULL != src) {
         if (!bitmapBounds.contains(tmpSrc)) {
             if (!tmpSrc.intersect(bitmapBounds)) {
                 return; // nothing to draw
             }
         }
     }
 
-    this->drawBitmapCommon(draw, bitmap, &tmpSrc, matrix, paint);
+    this->drawBitmapCommon(draw, bitmap, &tmpSrc, matrix, paint, flags);
 }
 
 void SkGpuDevice::drawDevice(const SkDraw& draw, SkDevice* device,
                              int x, int y, const SkPaint& paint) {
     // clear of the source device must occur before CHECK_SHOULD_DRAW
     SkGpuDevice* dev = static_cast<SkGpuDevice*>(device);
     if (dev->fNeedClear) {
         // TODO: could check here whether we really need to draw at all
         dev->clear(0x0);
     }
@@ skipping 307 matching lines @@
                          GrTexture* texture,
                          bool needClear)
     : SkDevice(make_bitmap(context, texture->asRenderTarget())) {
 
     GrAssert(texture && texture->asRenderTarget());
     // This constructor is called from onCreateCompatibleDevice. It has locked the RT in the texture
     // cache. We pass true for the third argument so that it will get unlocked.
     this->initFromRenderTarget(context, texture->asRenderTarget(), true);
     fNeedClear = needClear;
 }