From 6e14a866ef4cafafb04d26d54c88fa0d76b87e74 Mon Sep 17 00:00:00 2001 From: Teng-Hui Zhu Date: Wed, 22 Jun 2011 15:47:15 -0700 Subject: Tiles: increase the minimal number to cover the whole screen Change-Id: Iad5ef9dc1f9944a326e45dd2721cb0005e69f425 --- Source/WebCore/platform/graphics/android/TilesManager.cpp | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) (limited to 'Source/WebCore/platform/graphics/android/TilesManager.cpp') diff --git a/Source/WebCore/platform/graphics/android/TilesManager.cpp b/Source/WebCore/platform/graphics/android/TilesManager.cpp index e4e8af7..0e91dc7 100644 --- a/Source/WebCore/platform/graphics/android/TilesManager.cpp +++ b/Source/WebCore/platform/graphics/android/TilesManager.cpp @@ -55,15 +55,14 @@ // We need n textures for one TiledPage, and another n textures for the // second page used when scaling. // In our case, we use 300x300 textures. On the tablet, this equates to -// at least 5 * 3 = 15 textures. We also enable offscreen textures to a maximum -// of 101 textures used (i.e. ~70Mb max, accounting for the double buffer textures) -// Now we switch to Surface Texture, which is triple buffering. In order to -// avoid OOM issue, we limit the bounds number to 0. +// at least 24 textures. That is consuming almost 50MB GPU memory. +// 24*300*300*4(bpp)*2(pages)*3(triple buffering in Surface Texture) = 49.4MB +// In order to avoid OOM issue, we limit the bounds number to 0 for now. // TODO: We should either dynamically change the outer bound by detecting the // HW limit or save further in the GPU memory consumption. #define EXPANDED_TILE_BOUNDS_X 0 #define EXPANDED_TILE_BOUNDS_Y 0 -#define MAX_TEXTURE_ALLOCATION 3+(5+EXPANDED_TILE_BOUNDS_X*2)*(3+EXPANDED_TILE_BOUNDS_Y*2)*2 +#define MAX_TEXTURE_ALLOCATION 3+(6+EXPANDED_TILE_BOUNDS_X*2)*(4+EXPANDED_TILE_BOUNDS_Y*2)*2 #define TILE_WIDTH 300 #define TILE_HEIGHT 300 -- cgit v1.1