Stretch small textures up to 16 pixels on PowerVR 54x

src/gpu/GrCaps.cpp

Index: src/gpu/GrCaps.cpp
diff --git a/src/gpu/GrCaps.cpp b/src/gpu/GrCaps.cpp
index 1f277b7f7e3821bc95589151c347980e191e71d0..aaa585e3bbbde083324d9e6f453cd7b6704f901a 100644
--- a/src/gpu/GrCaps.cpp
+++ b/src/gpu/GrCaps.cpp
@@ -98,6 +98,7 @@ GrCaps::GrCaps(const GrContextOptions& options) {
 
     fMaxRenderTargetSize = 0;
     fMaxTextureSize = 0;
+    fMinTextureSize = 0;
     fMaxSampleCount = 0;
 
     memset(fConfigRenderSupport, 0, sizeof(fConfigRenderSupport));
@@ -110,6 +111,7 @@ GrCaps::GrCaps(const GrContextOptions& options) {
 
 void GrCaps::applyOptionsOverrides(const GrContextOptions& options) {
     fMaxTextureSize = SkTMin(fMaxTextureSize, options.fMaxTextureSizeOverride);
+    fMinTextureSize = SkTMax(fMinTextureSize, options.fMinTextureSizeOverride);
 }
 
 static SkString map_flags_to_string(uint32_t flags) {
@@ -148,6 +150,7 @@ SkString GrCaps::dump() const {
     r.appendf("Draw Instead of Clear [workaround] : %s\n", gNY[fUseDrawInsteadOfClear]);
 
     r.appendf("Max Texture Size                   : %d\n", fMaxTextureSize);
+    r.appendf("Min Texture Size                   : %d\n", fMinTextureSize);
     r.appendf("Max Render Target Size             : %d\n", fMaxRenderTargetSize);
     r.appendf("Max Sample Count                   : %d\n", fMaxSampleCount);