Stretch small textures up to 16 pixels on PowerVR 54x

Review URL: https://codereview.chromium.org/1161183002

2 files changed, 6 insertions, 0 deletions

diff --git a/include/gpu/GrCaps.h b/include/gpu/GrCaps.h
index 25f3caaded..38cf9019cf 100644
--- a/include/gpu/GrCaps.h
+++ b/include/gpu/GrCaps.h
@@ -180,6 +180,9 @@ public:
 
     int maxRenderTargetSize() const { return fMaxRenderTargetSize; }
     int maxTextureSize() const { return fMaxTextureSize; }
+    /** 0 unless GPU has problems with small textures */
+    int minTextureSize() const { return fMinTextureSize; }
+
     // Will be 0 if MSAA is not supported
     int maxSampleCount() const { return fMaxSampleCount; }
 
@@ -229,6 +232,7 @@ protected:
 
     int fMaxRenderTargetSize;
     int fMaxTextureSize;
+    int fMinTextureSize;
     int fMaxSampleCount;
 
     // The first entry for each config is without msaa and the second is with.
diff --git a/include/gpu/GrContextOptions.h b/include/gpu/GrContextOptions.h
index d8d59fac3a..231aa30a3f 100644
--- a/include/gpu/GrContextOptions.h
+++ b/include/gpu/GrContextOptions.h
@@ -15,6 +15,7 @@ struct GrContextOptions {
         : fDrawPathToCompressedTexture(false)
         , fSuppressPrints(false)
         , fMaxTextureSizeOverride(SK_MaxS32)
+        , fMinTextureSizeOverride(0)
         , fSuppressDualSourceBlending(false)
         , fGeometryBufferMapThreshold(1 << 15) {}
 
@@ -31,6 +32,7 @@ struct GrContextOptions {
         detected values. */
 
     int  fMaxTextureSizeOverride;
+    int  fMinTextureSizeOverride;
     bool fSuppressDualSourceBlending;
 
     /** fGeometryBufferMapThreshold gives a threshold (in bytes) for when Gr should