Nikolay Sivov : dwrite: Release run info as soon as it' s rendered to save some memory.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 6597453403d33b7e372ae9a7d611f771f1008a3c
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=6597453403d33b7e372ae9a7d6...

Author: Nikolay Sivov 
Date:   Tue Aug  4 11:16:35 2015 +0300

dwrite: Release run info as soon as it's rendered to save some memory.

---

dlls/dwrite/font.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/dlls/dwrite/font.c b/dlls/dwrite/font.c
index 707ef6d..aaa0f42 100644
--- a/dlls/dwrite/font.c
+++ b/dlls/dwrite/font.c
@@ -2907,7 +2907,8 @@ static ULONG WINAPI glyphrunanalysis_Release(IDWriteGlyphRunAnalysis *iface)
     TRACE("(%p)->(%u)\n", This, ref);

if (!ref) {
-        IDWriteFontFace_Release(This->run.fontFace);
+        if (This->run.fontFace)
+            IDWriteFontFace_Release(This->run.fontFace);
         heap_free(This->glyphs);
         heap_free(This->advances);
         heap_free(This->offsets);
@@ -3088,6 +3089,20 @@ static void glyphrunanalysis_render(struct dwrite_glyphrunanalysis *analysis, DW
     IDWriteFontFace2_Release(fontface2);

analysis->ready |= RUNANALYSIS_BITMAP;
+
+    /* we don't need this anymore */
+    heap_free(analysis->glyphs);
+    heap_free(analysis->advances);
+    heap_free(analysis->offsets);
+    IDWriteFontFace_Release(analysis->run.fontFace);
+
+    analysis->glyphs = NULL;
+    analysis->advances = NULL;
+    analysis->offsets = NULL;
+    analysis->run.glyphIndices = NULL;
+    analysis->run.glyphAdvances = NULL;
+    analysis->run.glyphOffsets = NULL;
+    analysis->run.fontFace = NULL;
 }

static HRESULT WINAPI glyphrunanalysis_CreateAlphaTexture(IDWriteGlyphRunAnalysis *iface, DWRITE_TEXTURE_TYPE type,