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Bug 990608 - Make tile size configurable. r=tn,nical,bgirard

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This commit is contained in:
Chris Lord
2014-04-04 18:42:44 +01:00
parent 9df797e88c
commit d1dfc64ad5
15 changed files with 123 additions and 106 deletions
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17
gfx/layers/composite/TiledContentHost.cpp
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@@ -429,24 +429,25 @@ TiledContentHost::RenderLayerBuffer(TiledLayerBufferComposite& aLayerBuffer,
uint32_t rowCount = 0;
uint32_t tileX = 0;
nsIntRect visibleRect = aVisibleRegion.GetBounds();
gfx::IntSize scaledTileSize = aLayerBuffer.GetScaledTileSize();
for (int32_t x = visibleRect.x; x < visibleRect.x + visibleRect.width;) {
rowCount++;
int32_t tileStartX = aLayerBuffer.GetTileStart(x);
int32_t w = aLayerBuffer.GetScaledTileLength() - tileStartX;
int32_t tileStartX = aLayerBuffer.GetTileStart(x, scaledTileSize.width);
int32_t w = scaledTileSize.width - tileStartX;
if (x + w > visibleRect.x + visibleRect.width) {
w = visibleRect.x + visibleRect.width - x;
}
int tileY = 0;
for (int32_t y = visibleRect.y; y < visibleRect.y + visibleRect.height;) {
int32_t tileStartY = aLayerBuffer.GetTileStart(y);
int32_t h = aLayerBuffer.GetScaledTileLength() - tileStartY;
int32_t tileStartY = aLayerBuffer.GetTileStart(y, scaledTileSize.height);
int32_t h = scaledTileSize.height - tileStartY;
if (y + h > visibleRect.y + visibleRect.height) {
h = visibleRect.y + visibleRect.height - y;
}
TileHost tileTexture = aLayerBuffer.
GetTile(nsIntPoint(aLayerBuffer.RoundDownToTileEdge(x),
aLayerBuffer.RoundDownToTileEdge(y)));
GetTile(nsIntPoint(aLayerBuffer.RoundDownToTileEdge(x, scaledTileSize.width),
aLayerBuffer.RoundDownToTileEdge(y, scaledTileSize.height)));
if (tileTexture != aLayerBuffer.GetPlaceholderTile()) {
nsIntRegion tileDrawRegion;
tileDrawRegion.And(nsIntRect(x, y, w, h), aLayerBuffer.GetValidRegion());
@@ -457,9 +458,9 @@ TiledContentHost::RenderLayerBuffer(TiledLayerBufferComposite& aLayerBuffer,
tileDrawRegion.ScaleRoundOut(resolution, resolution);
nsIntPoint tileOffset((x - tileStartX) * resolution,
(y - tileStartY) * resolution);
uint32_t tileSize = aLayerBuffer.GetTileLength();
gfx::IntSize tileSize = aLayerBuffer.GetTileSize();
RenderTile(tileTexture, aEffectChain, aOpacity, aTransform, aFilter, aClipRect, tileDrawRegion,
tileOffset, nsIntSize(tileSize, tileSize));
tileOffset, nsIntSize(tileSize.width, tileSize.height));
}
}
tileY++;