Code cleanup

Change-Id: If92e3addfc4d8546a60edcdea60a1fc89c27b680

3 files changed, 12 insertions, 7 deletions

diff --git a/libs/hwui/Program.cpp b/libs/hwui/Program.cpp
index 516546f..a9f13f7 100644
--- a/libs/hwui/Program.cpp
+++ b/libs/hwui/Program.cpp
@@ -29,6 +29,8 @@ Program::Program(const char* vertex, const char* fragment) {
     mInitialized = false;
     mHasColorUniform = false;
 
+    // No need to cache compiled shaders, rely instead on Android's
+    // persistent shaders cache
     GLuint vertexShader = buildShader(vertex, GL_VERTEX_SHADER);
     if (vertexShader) {
 
@@ -135,10 +137,11 @@ void Program::set(const mat4& projectionMatrix, const mat4& modelViewMatrix,
         const mat4& transformMatrix, bool offset) {
     mat4 t(projectionMatrix);
     if (offset) {
-        // offset screenspace xy by an amount that compensates for typical precision issues
-        // in GPU hardware that tends to paint hor/vert lines in pixels shifted up and to the left.
-        // This offset value is based on an assumption that some hardware may use as little
-        // as 12.4 precision, so we offset by slightly more than 1/16.
+        // offset screenspace xy by an amount that compensates for typical precision
+        // issues in GPU hardware that tends to paint hor/vert lines in pixels shifted
+        // up and to the left.
+        // This offset value is based on an assumption that some hardware may use as
+        // little as 12.4 precision, so we offset by slightly more than 1/16.
         t.translate(.375, .375, 0);
     }
     t.multiply(transformMatrix);
diff --git a/libs/hwui/ProgramCache.h b/libs/hwui/ProgramCache.h
index 5c7197b..441db8c 100644
--- a/libs/hwui/ProgramCache.h
+++ b/libs/hwui/ProgramCache.h
@@ -27,6 +27,7 @@
 
 #include "Debug.h"
 #include "Program.h"
+#include "Properties.h"
 
 namespace android {
 namespace uirenderer {
@@ -42,8 +43,6 @@ namespace uirenderer {
     #define PROGRAM_LOGD(...)
 #endif
 
-// TODO: This should be set in properties
-#define PANEL_BIT_DEPTH 20
 #define COLOR_COMPONENT_THRESHOLD (1.0f - (0.5f / PANEL_BIT_DEPTH))
 #define COLOR_COMPONENT_INV_THRESHOLD (0.5f / PANEL_BIT_DEPTH)
 
diff --git a/libs/hwui/Properties.h b/libs/hwui/Properties.h
index 47484d0..2eae0f1 100644
--- a/libs/hwui/Properties.h
+++ b/libs/hwui/Properties.h
@@ -73,8 +73,11 @@ enum DebugLevel {
 #define PROPERTY_TEXT_BLACK_GAMMA_THRESHOLD "ro.text_gamma.black_threshold"
 #define PROPERTY_TEXT_WHITE_GAMMA_THRESHOLD "ro.text_gamma.white_threshold"
 
+// TODO: This should be set by a system property
+#define PANEL_BIT_DEPTH 20
+
 // Converts a number of mega-bytes into bytes
-#define MB(s) (s * 1024 * 1024)
+#define MB(s) s * 1024 * 1024
 
 #define DEFAULT_TEXTURE_CACHE_SIZE 24.0f
 #define DEFAULT_LAYER_CACHE_SIZE 16.0f