1 files changed, 31 insertions, 18 deletions

diff --git a/libs/hwui/FontRenderer.cpp b/libs/hwui/FontRenderer.cpp
index 4e97c88..47784a4 100644
--- a/libs/hwui/FontRenderer.cpp
+++ b/libs/hwui/FontRenderer.cpp
@@ -45,10 +45,10 @@ FontRenderer::FontRenderer() {
     mInitialized = false;
     mMaxNumberOfQuads = 1024;
     mCurrentQuadIndex = 0;
+    mLastQuadIndex = 0;
 
     mTextMesh = NULL;
     mCurrentCacheTexture = NULL;
-    mLastCacheTexture = NULL;
 
     mLinearFiltering = false;
 
@@ -116,7 +116,6 @@ FontRenderer::~FontRenderer() {
 void FontRenderer::flushAllAndInvalidate() {
     if (mCurrentQuadIndex != 0) {
         issueDrawCommand();
-        mCurrentQuadIndex = 0;
     }
 
     for (uint32_t i = 0; i < mActiveFonts.size(); i++) {
@@ -320,8 +319,17 @@ void FontRenderer::checkInit() {
     mInitialized = true;
 }
 
+void FontRenderer::updateDrawParams() {
+    if (mCurrentQuadIndex != mLastQuadIndex) {
+        mDrawOffsets.add((uint16_t*)(mLastQuadIndex * sizeof(uint16_t) * 6));
+        mDrawCounts.add(mCurrentQuadIndex - mLastQuadIndex);
+        mDrawCacheTextures.add(mCurrentCacheTexture);
+        mLastQuadIndex = mCurrentQuadIndex;
+    }
+}
+
 void FontRenderer::checkTextureUpdate() {
-    if (!mUploadTexture && mLastCacheTexture == mCurrentCacheTexture) {
+    if (!mUploadTexture) {
         return;
     }
 
@@ -355,16 +363,11 @@ void FontRenderer::checkTextureUpdate() {
         }
     }
 
-    caches.activeTexture(0);
-    glBindTexture(GL_TEXTURE_2D, mCurrentCacheTexture->getTextureId());
-
-    mCurrentCacheTexture->setLinearFiltering(mLinearFiltering, false);
-    mLastCacheTexture = mCurrentCacheTexture;
-
     mUploadTexture = false;
 }
 
 void FontRenderer::issueDrawCommand() {
+    updateDrawParams();
     checkTextureUpdate();
 
     Caches& caches = Caches::getInstance();
@@ -378,20 +381,33 @@ void FontRenderer::issueDrawCommand() {
         caches.bindTexCoordsVertexPointer(force, buffer + offset);
     }
 
-    glDrawElements(GL_TRIANGLES, mCurrentQuadIndex * 6, GL_UNSIGNED_SHORT, NULL);
+    for (uint32_t i = 0; i < mDrawOffsets.size(); i++) {
+        uint16_t* offset = mDrawOffsets[i];
+        uint32_t count = mDrawCounts[i];
+        CacheTexture* texture = mDrawCacheTextures[i];
+
+        caches.activeTexture(0);
+        glBindTexture(GL_TEXTURE_2D, texture->getTextureId());
+
+        texture->setLinearFiltering(mLinearFiltering, false);
+
+        glDrawElements(GL_TRIANGLES, count * 6, GL_UNSIGNED_SHORT, offset);
+    }
 
     mDrawn = true;
+
+    mCurrentQuadIndex = 0;
+    mLastQuadIndex = 0;
+    mDrawOffsets.clear();
+    mDrawCounts.clear();
+    mDrawCacheTextures.clear();
 }
 
 void FontRenderer::appendMeshQuadNoClip(float x1, float y1, float u1, float v1,
         float x2, float y2, float u2, float v2, float x3, float y3, float u3, float v3,
         float x4, float y4, float u4, float v4, CacheTexture* texture) {
     if (texture != mCurrentCacheTexture) {
-        if (mCurrentQuadIndex != 0) {
-            // First, draw everything stored already which uses the previous texture
-            issueDrawCommand();
-            mCurrentQuadIndex = 0;
-        }
+        updateDrawParams();
         // Now use the new texture id
         mCurrentCacheTexture = texture;
     }
@@ -443,7 +459,6 @@ void FontRenderer::appendMeshQuad(float x1, float y1, float u1, float v1,
 
     if (mCurrentQuadIndex == mMaxNumberOfQuads) {
         issueDrawCommand();
-        mCurrentQuadIndex = 0;
     }
 }
 
@@ -462,7 +477,6 @@ void FontRenderer::appendRotatedMeshQuad(float x1, float y1, float u1, float v1,
 
     if (mCurrentQuadIndex == mMaxNumberOfQuads) {
         issueDrawCommand();
-        mCurrentQuadIndex = 0;
     }
 }
 
@@ -544,7 +558,6 @@ void FontRenderer::finishRender() {
 
     if (mCurrentQuadIndex != 0) {
         issueDrawCommand();
-        mCurrentQuadIndex = 0;
     }
 }