Remove GrContext::applyGamma

src/gpu/GrContext.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 "GrContext.h"
 #include "GrContextOptions.h"
 #include "GrDrawingManager.h"
@@ skipping 509 matching lines @@
         srcPI.fColorType = dstPI.fColorType;
         srcPI.fAlphaType = kPremul_SkAlphaType;
         srcPI.fPixels = buffer;
         srcPI.fRowBytes = rowBytes;
 
         return srcPI.convertPixelsTo(&dstPI, width, height);
     }
     return true;
 }
 
-bool GrContext::applyGamma(GrRenderTarget* dst, GrTexture* src, SkScalar gamma){
-    ASSERT_SINGLE_OWNER
-    RETURN_FALSE_IF_ABANDONED
-    ASSERT_OWNED_RESOURCE(dst);
-    ASSERT_OWNED_RESOURCE(src);
-    GR_AUDIT_TRAIL_AUTO_FRAME(&fAuditTrail, "GrContext::applyGamma");
-
-    // Dimensions must match exactly.
-    if (dst->width() != src->width() || dst->height() != src->height()) {
-        return false;
-    }
-
-    // TODO: Supply color space?
-    sk_sp<GrDrawContext> drawContext(this->makeDrawContext(sk_ref_sp(dst), nullptr));
-    if (!drawContext) {
-        return false;
-    }
-
-    GrPaint paint;
-    paint.addColorTextureProcessor(src, nullptr, GrCoordTransform::MakeDivByTextureWHMatrix(src));
-    if (!SkScalarNearlyEqual(gamma, 1.0f)) {
-        paint.addColorFragmentProcessor(GrGammaEffect::Make(gamma));
-    }
-    paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
-    paint.setGammaCorrect(true);
-
-    SkRect rect;
-    src->getBoundsRect(&rect);
-    drawContext->drawRect(GrNoClip(), paint, SkMatrix::I(), rect);
-
-    this->flushSurfaceWrites(dst);
-    return true;
-}
-
 void GrContext::prepareSurfaceForExternalIO(GrSurface* surface) {
     ASSERT_SINGLE_OWNER
     RETURN_IF_ABANDONED
     SkASSERT(surface);
     ASSERT_OWNED_RESOURCE(surface);
     if (surface->surfacePriv().hasPendingIO()) {
         this->flush();
     }
     GrRenderTarget* rt = surface->asRenderTarget();
     if (fGpu && rt) {
@@ skipping 189 matching lines @@
     ASSERT_SINGLE_OWNER
     fResourceCache->setLimits(maxTextures, maxTextureBytes);
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 void GrContext::dumpMemoryStatistics(SkTraceMemoryDump* traceMemoryDump) const {
     ASSERT_SINGLE_OWNER
     fResourceCache->dumpMemoryStatistics(traceMemoryDump);
 }