introduce Props to surface

src/image/SkSurface_Gpu.cpp

Index: src/image/SkSurface_Gpu.cpp
diff --git a/src/image/SkSurface_Gpu.cpp b/src/image/SkSurface_Gpu.cpp
index f94dc5bd7002dc88a18b65b811702f2f5a992b20..a6dfd4e849168e348171ad65cb901e61cc4c5503 100644
--- a/src/image/SkSurface_Gpu.cpp
+++ b/src/image/SkSurface_Gpu.cpp
@@ -14,8 +14,8 @@ class SkSurface_Gpu : public SkSurface_Base {
 public:
     SK_DECLARE_INST_COUNT(SkSurface_Gpu)
 
-    SkSurface_Gpu(GrRenderTarget*, bool cached, TextRenderMode trm, 
-                  SkSurface::RenderTargetFlags flags);
+    SkSurface_Gpu(GrRenderTarget*, bool cached, SkSurface::RenderTargetFlags flags,
+                  const SkSurfaceProps&);
     virtual ~SkSurface_Gpu();
 
     virtual SkCanvas* onNewCanvas() SK_OVERRIDE;
@@ -34,15 +34,16 @@ private:
 
 ///////////////////////////////////////////////////////////////////////////////
 
-SkSurface_Gpu::SkSurface_Gpu(GrRenderTarget* renderTarget, bool cached, TextRenderMode trm,
-                             SkSurface::RenderTargetFlags flags)
-        : INHERITED(renderTarget->width(), renderTarget->height()) {
+SkSurface_Gpu::SkSurface_Gpu(GrRenderTarget* renderTarget, bool cached, RenderTargetFlags flags,
+                             const SkSurfaceProps& props)
+    : INHERITED(renderTarget->width(), renderTarget->height(), &props)
+{
     int deviceFlags = 0;
     deviceFlags |= cached ? SkGpuDevice::kCached_Flag : 0;
-    deviceFlags |= (kDistanceField_TextRenderMode == trm) ? SkGpuDevice::kDFFonts_Flag : 0;
-    fDevice = SkGpuDevice::Create(renderTarget, deviceFlags);
+    deviceFlags |= props.useDistanceFieldFonts() ? SkGpuDevice::kDFFonts_Flag : 0;
+    fDevice = SkGpuDevice::Create(renderTarget, this->props(), deviceFlags);
 
-    if (kRGB_565_GrPixelConfig != renderTarget->config() && 
+    if (kRGB_565_GrPixelConfig != renderTarget->config() &&
         !(flags & kDontClear_RenderTargetFlag)) {
         fDevice->clear(0x0);
     }
@@ -53,7 +54,11 @@ SkSurface_Gpu::~SkSurface_Gpu() {
 }
 
 SkCanvas* SkSurface_Gpu::onNewCanvas() {
-    return SkNEW_ARGS(SkCanvas, (fDevice));
+    SkCanvas::InitFlags flags = SkCanvas::kDefault_InitFlags;
+    // When we think this works...
+//    flags |= SkCanvas::kConservativeRasterClip_InitFlag;
+
+    return SkNEW_ARGS(SkCanvas, (fDevice, &this->props(), flags));
 }
 
 SkSurface* SkSurface_Gpu::onNewSurface(const SkImageInfo& info) {
@@ -104,16 +109,31 @@ void SkSurface_Gpu::onDiscard() {
 
 ///////////////////////////////////////////////////////////////////////////////
 
+static SkSurfaceProps make_props(SkSurface::TextRenderMode trm) {
+    const SkSurfaceProps legacyProps(SkSurfaceProps::kLegacyFontHost_InitType);
+
+    uint32_t propsFlags = 0;
+    if (SkSurface::kDistanceField_TextRenderMode == trm) {
+        propsFlags |= SkSurfaceProps::kUseDistanceFieldFonts_Flag;
+    }
+    return SkSurfaceProps(propsFlags, legacyProps.pixelGeometry());
+}
+
 SkSurface* SkSurface::NewRenderTargetDirect(GrRenderTarget* target, TextRenderMode trm,
                                             RenderTargetFlags flags) {
     if (NULL == target) {
         return NULL;
     }
-    return SkNEW_ARGS(SkSurface_Gpu, (target, false, trm, flags));
+    return SkNEW_ARGS(SkSurface_Gpu, (target, false, flags, make_props(trm)));
+}
+
+SkSurface* SkSurface::NewRenderTarget(GrContext* ctx, const SkImageInfo& info, int sampleCount,
+                                      TextRenderMode trm, RenderTargetFlags renderFlags) {
+    return NewRenderTarget(ctx, info, sampleCount, make_props(trm), renderFlags);
 }
 
 SkSurface* SkSurface::NewRenderTarget(GrContext* ctx, const SkImageInfo& info, int sampleCount,
-                                      TextRenderMode trm, RenderTargetFlags flags) {
+                                      const SkSurfaceProps& props, RenderTargetFlags flags) {
     if (NULL == ctx) {
         return NULL;
     }
@@ -130,7 +150,7 @@ SkSurface* SkSurface::NewRenderTarget(GrContext* ctx, const SkImageInfo& info, i
         return NULL;
     }
 
-    return SkNEW_ARGS(SkSurface_Gpu, (tex->asRenderTarget(), false, trm, flags));
+    return SkNEW_ARGS(SkSurface_Gpu, (tex->asRenderTarget(), false, flags, props));
 }
 
 SkSurface* SkSurface::NewScratchRenderTarget(GrContext* ctx, const SkImageInfo& info,
@@ -153,5 +173,5 @@ SkSurface* SkSurface::NewScratchRenderTarget(GrContext* ctx, const SkImageInfo&
         return NULL;
     }
 
-    return SkNEW_ARGS(SkSurface_Gpu, (tex->asRenderTarget(), true, trm, flags));
+    return SkNEW_ARGS(SkSurface_Gpu, (tex->asRenderTarget(), true, flags, make_props(trm)));
 }