commit 05f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5
author Chris Craik <ccraik@google.com> Mon Jun 02 16:27:04 2014 -0700
committer Chris Craik <ccraik@google.com> Tue Jun 10 01:53:17 2014 +0000
tree 14df3cad82b02a886b8e3a04fd4ec249e1d403e4
parent faecafce62ca39a7693669f7c9eabf2d71c633cf

Tessellate on worker threads

Tessellate and cache (where possible) shadow and round rect
tessellation tasks.

Change-Id: I2cfda8e11d83d51ea74af871235cf26e8f831d40

libs/hwui/ShadowTessellator.cpp

diff --git a/libs/hwui/ShadowTessellator.cpp b/libs/hwui/ShadowTessellator.cpp
index 2f714a1..30c6f5d 100644
--- a/libs/hwui/ShadowTessellator.cpp
+++ b/libs/hwui/ShadowTessellator.cpp
@@ -34,7 +34,7 @@
     return a > b ? a : b;
 }
 
-VertexBufferMode ShadowTessellator::tessellateAmbientShadow(bool isCasterOpaque,
+void ShadowTessellator::tessellateAmbientShadow(bool isCasterOpaque,
         const Vector3* casterPolygon, int casterVertexCount,
         const Vector3& centroid3d, const Rect& casterBounds,
         const Rect& localClip, float maxZ, VertexBuffer& shadowVertexBuffer) {
@@ -57,16 +57,15 @@
 #if DEBUG_SHADOW
         ALOGD("Ambient shadow is out of clip rect!");
 #endif
-        return kVertexBufferMode_OnePolyRingShadow;
+        return;
     }
 
-    return AmbientShadow::createAmbientShadow(isCasterOpaque, casterPolygon,
+    AmbientShadow::createAmbientShadow(isCasterOpaque, casterPolygon,
             casterVertexCount, centroid3d, heightFactor, geomFactor,
             shadowVertexBuffer);
-
 }
 
-VertexBufferMode ShadowTessellator::tessellateSpotShadow(bool isCasterOpaque,
+void ShadowTessellator::tessellateSpotShadow(bool isCasterOpaque,
         const Vector3* casterPolygon, int casterVertexCount,
         const mat4& receiverTransform, const Vector3& lightCenter, int lightRadius,
         const Rect& casterBounds, const Rect& localClip, VertexBuffer& shadowVertexBuffer) {
@@ -107,19 +106,17 @@
 #if DEBUG_SHADOW
         ALOGD("Spot shadow is out of clip rect!");
 #endif
-        return kVertexBufferMode_OnePolyRingShadow;
+        return;
     }
 
-    VertexBufferMode mode = SpotShadow::createSpotShadow(isCasterOpaque,
+    SpotShadow::createSpotShadow(isCasterOpaque,
             casterPolygon, casterVertexCount, adjustedLightCenter, lightRadius,
             lightVertexCount, shadowVertexBuffer);
-
 #if DEBUG_SHADOW
      if(shadowVertexBuffer.getVertexCount() <= 0) {
         ALOGD("Spot shadow generation failed %d", shadowVertexBuffer.getVertexCount());
      }
 #endif
-     return mode;
 }
 
 void ShadowTessellator::generateShadowIndices(uint16_t* shadowIndices) {