Fall back to bilerp if we are undable to do a copy for mips.

Bug: skia:
Change-Id: I52b86d83aaec1fa245be2ee17bbd56defcb5881f
Reviewed-on: https://skia-review.googlesource.com/133587
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>

1 files changed, 13 insertions, 4 deletions

diff --git a/src/gpu/GrGpu.h b/src/gpu/GrGpu.h
index ad20d52366..d97a22edd0 100644
--- a/src/gpu/GrGpu.h
+++ b/src/gpu/GrGpu.h
@@ -379,10 +379,19 @@ public:
 
     // Determines whether a texture will need to be rescaled in order to be used with the
     // GrSamplerState.
-    static bool IsACopyNeededForTextureParams(const GrCaps*, GrTextureProxy* texProxy,
-                                              int width, int height,
-                                              const GrSamplerState&, GrTextureProducer::CopyParams*,
-                                              SkScalar scaleAdjust[2]);
+    static bool IsACopyNeededForRepeatWrapMode(const GrCaps*, GrTextureProxy* texProxy,
+                                               int width, int height,
+                                               GrSamplerState::Filter,
+                                               GrTextureProducer::CopyParams*,
+                                               SkScalar scaleAdjust[2]);
+
+    // Determines whether a texture will need to be copied because the draw requires mips but the
+    // texutre doesn't have any. This call should be only checked if IsACopyNeededForTextureParams
+    // fails. If the previous call succeeds, then a copy should be done using those params and the
+    // mip mapping requirements will be handled there.
+    static bool IsACopyNeededForMips(const GrCaps* caps, const GrTextureProxy* texProxy,
+                                     GrSamplerState::Filter filter,
+                                     GrTextureProducer::CopyParams* copyParams);
 
     void handleDirtyContext() {
         if (fResetBits) {