Improve rendering performance on some GPUs

This change sets textures filtering to GL_NEAREST by default. GL_LINEAR
filtering is only used when textures are transformed with a scale or
a rotation. This helps save a couple of fps on some GPUs.

Change-Id: I1efaa452c2c79905f00238e54d886a37203a2ac1

1 files changed, 2 insertions, 5 deletions

diff --git a/libs/hwui/GradientCache.cpp b/libs/hwui/GradientCache.cpp
index 4a40a63485ac..996acd5bceac 100644
--- a/libs/hwui/GradientCache.cpp
+++ b/libs/hwui/GradientCache.cpp
@@ -181,11 +181,8 @@ void GradientCache::generateTexture(SkBitmap* bitmap, Texture* texture) {
     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, bitmap->rowBytesAsPixels(), texture->height, 0,
             GL_RGBA, GL_UNSIGNED_BYTE, bitmap->getPixels());
 
-    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-
-    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+    texture->setFilter(GL_LINEAR, GL_LINEAR);
+    texture->setWrap(GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE);
 }
 
 }; // namespace uirenderer