60 */ |
60 */ |
61 const TBool KHuiCanvasAutomaticRenderBufferUsage = EFalse; // Disbaled until all UI isses has been solved |
61 const TBool KHuiCanvasAutomaticRenderBufferUsage = EFalse; // Disbaled until all UI isses has been solved |
62 const TInt KHuiCanvasDisableRenderBufferHandleInterval = 100; // Milliseconds |
62 const TInt KHuiCanvasDisableRenderBufferHandleInterval = 100; // Milliseconds |
63 const TInt KHuiCanvasEnableRenderBufferHandleInterval = 500; // Milliseconds |
63 const TInt KHuiCanvasEnableRenderBufferHandleInterval = 500; // Milliseconds |
64 |
64 |
65 /** Internal constant to identify complex command buffers */ |
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66 const TInt KPossiblePerformanceProblemInWindow = 64; |
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67 |
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68 |
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69 /** ETrue - use SelectGcL to select gc implementation, |
65 /** ETrue - use SelectGcL to select gc implementation, |
70 EFalse - use KHuiDefaultCanvasWsGc. */ |
66 EFalse - use KHuiDefaultCanvasWsGc. */ |
71 const TBool KHuiUseSelectGc = ETrue; |
67 const TBool KHuiUseSelectGc = ETrue; |
72 |
68 |
73 /** Change this to select default rendering ws gc implementation. |
69 /** Change this to select default rendering ws gc implementation. |
300 RDebug::Print(_L(">> CHuiCanvasWsPainter::HandleBufferL - relativeOrientation = %i "), relativeOrientation); |
296 RDebug::Print(_L(">> CHuiCanvasWsPainter::HandleBufferL - relativeOrientation = %i "), relativeOrientation); |
301 #endif |
297 #endif |
302 |
298 |
303 /* If window shape region has been changed, we should clear the window to get rid of old content. |
299 /* If window shape region has been changed, we should clear the window to get rid of old content. |
304 * We also set all command buffers to "not drawn" state so that everything will be redrawn. |
300 * We also set all command buffers to "not drawn" state so that everything will be redrawn. |
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301 * Actual clearing is done after BeginActionL, because drawing phase will start only after calling it. |
305 */ |
302 */ |
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303 if(iShapeRegionClearingPending) |
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304 { |
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305 // Cause a full redraw for the canvas visual |
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306 SetAllBuffersChanged(ETrue); |
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307 ClearAllBufferStatusFlags(EHuiCanvasBufferStatusDrawn); |
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308 } |
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309 |
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310 |
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311 /* Check if we have buffers that are not yet been drawn (or we render buffer is disabled) */ |
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312 TBool cachePrepared = !HasCommandBuffersWithoutFlags(EHuiCanvasBufferStatusDrawn) || !iCanvasWsGc->IsRenderBufferEnabled(); |
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313 |
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314 /* Begin draw. If render buffer is used this sets up the render buffer if needed */ |
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315 iCanvasWsGc->BeginActionL(aAction,aDisplayRect,aUser,cachePrepared,iFullUpdateRegion); |
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316 |
306 TBool isFullUpdateRegionCleared = EFalse; |
317 TBool isFullUpdateRegionCleared = EFalse; |
307 if(iShapeRegionClearingPending) |
318 if(iShapeRegionClearingPending) |
308 { |
319 { |
309 #ifdef HUI_DEBUG_PRINT_PERFORMANCE_INTERVAL |
320 #ifdef HUI_DEBUG_PRINT_PERFORMANCE_INTERVAL |
310 RDebug::Print(_L(">> CHuiCanvasWsPainter::HandleBufferL - Clearing fullupdateregion")); |
321 RDebug::Print(_L(">> CHuiCanvasWsPainter::HandleBufferL - Clearing fullupdateregion")); |
311 #endif |
322 #endif |
312 // Clear the window update region area |
323 // Clear the window update region area |
313 TBool doClear = ETrue; |
324 TBool doClear = ETrue; |
314 iCanvasWsGc->EnableUpdateRegion(iFullUpdateRegion, doClear); |
325 iCanvasWsGc->EnableUpdateRegion(iFullUpdateRegion, doClear); |
315 iCanvasWsGc->DisableUpdateRegion(); |
326 iCanvasWsGc->DisableUpdateRegion(); |
316 isFullUpdateRegionCleared = ETrue; |
327 isFullUpdateRegionCleared = ETrue; |
317 |
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318 // Cause a full redraw for the canvas visual |
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319 SetAllBuffersChanged(ETrue); |
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320 ClearAllBufferStatusFlags(EHuiCanvasBufferStatusDrawn); |
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321 iShapeRegionClearingPending = EFalse; |
328 iShapeRegionClearingPending = EFalse; |
322 } |
329 } |
323 |
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324 |
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325 /* Check if we have buffers that are not yet been drawn (or we render buffer is disabled) */ |
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326 TBool cachePrepared = !HasCommandBuffersWithoutFlags(EHuiCanvasBufferStatusDrawn) || !iCanvasWsGc->IsRenderBufferEnabled(); |
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327 |
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328 /* Begin draw. If render buffer is used this sets up the render buffer if needed */ |
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329 iCanvasWsGc->BeginActionL(aAction,aDisplayRect,aUser,cachePrepared,iFullUpdateRegion); |
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330 |
330 |
331 #ifdef HUI_DEBUG_PRINT_PERFORMANCE_INTERVAL |
331 #ifdef HUI_DEBUG_PRINT_PERFORMANCE_INTERVAL |
332 if (iCanvasWsGc->IsRenderBufferEnabled()) |
332 if (iCanvasWsGc->IsRenderBufferEnabled()) |
333 { |
333 { |
334 RDebug::Print(_L(">> CHuiCanvasWsPainter::HandleBufferL renderbuffer is ENABLED")); |
334 RDebug::Print(_L(">> CHuiCanvasWsPainter::HandleBufferL renderbuffer is ENABLED")); |
2243 { |
2243 { |
2244 TBool didRemoveBuffers = EFalse; |
2244 TBool didRemoveBuffers = EFalse; |
2245 TInt originalBufferCount = iCommandBuffers.Count(); |
2245 TInt originalBufferCount = iCommandBuffers.Count(); |
2246 |
2246 |
2247 RemoveBuffersWithoutRealDrawing(); |
2247 RemoveBuffersWithoutRealDrawing(); |
2248 RemoveBuffersWithOldDisplayRect(); |
2248 |
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2249 // Remove buffers only with moved display rect and modify the clip region |
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2250 // of buffers with changed size instead of completely removing all. |
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2251 RemoveBuffersWithMovedDisplayRect(); |
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2252 ModifyBuffersWithChangedDisplayRect(); |
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2253 //RemoveBuffersWithOldDisplayRect(); |
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2254 |
2249 RemoveBuffersWithEmptyUpdateRegion(); |
2255 RemoveBuffersWithEmptyUpdateRegion(); |
2250 RemoveBuffersWithOverlappingUpdateRegion(); |
2256 RemoveBuffersWithOverlappingUpdateRegion(); |
2251 |
2257 |
2252 didRemoveBuffers = (originalBufferCount != iCommandBuffers.Count()); |
2258 didRemoveBuffers = (originalBufferCount != iCommandBuffers.Count()); |
2253 return didRemoveBuffers; |
2259 return didRemoveBuffers; |
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2260 } |
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2261 |
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2262 void CHuiCanvasWsPainter::RemoveBuffersWithMovedDisplayRect() |
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2263 { |
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2264 TInt bufferCount = iCommandBuffers.Count(); |
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2265 |
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2266 TRect canvas = iCanvasVisual->DisplayRect().Round(); |
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2267 for (TInt cb = bufferCount - 1; cb >= 0; cb--) |
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2268 { |
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2269 CHuiCanvasCommandBuffer* buffer = iCommandBuffers[cb]; |
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2270 TRect bufRect = buffer->iOriginalDisplayRect.Round(); |
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2271 |
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2272 // If the visual has moved, delete the old buffer |
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2273 if (bufRect.iTl != canvas.iTl) |
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2274 { |
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2275 DestroyBuffer(cb); |
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2276 } |
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2277 } |
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2278 } |
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2279 |
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2280 void CHuiCanvasWsPainter::ModifyBuffersWithChangedDisplayRect() |
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2281 { |
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2282 TInt bufferCount = iCommandBuffers.Count(); |
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2283 TRect canvasRect = iCanvasVisual->DisplayRect().Round(); |
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2284 TRegionFix<1> region(canvasRect); |
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2285 |
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2286 // If the buffers have different update region than CanvasVisual, clip |
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2287 // the drawing to canvas visual's & cmdbuffer's updateregions' intersection. |
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2288 for (TInt cb = 0; cb < bufferCount; cb++) |
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2289 { |
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2290 CHuiCanvasCommandBuffer* cmdbuffer = iCommandBuffers[cb]; |
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2291 if (cmdbuffer->iOriginalDisplayRect.Round() != canvasRect) |
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2292 { |
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2293 cmdbuffer->iUpdateRegion.Copy(cmdbuffer->iOriginalUpdateRegion); |
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2294 cmdbuffer->iUpdateRegion.Intersect(region); |
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2295 cmdbuffer->iUpdateRegion.Tidy(); |
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2296 } |
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2297 } |
2254 } |
2298 } |
2255 |
2299 |
2256 void CHuiCanvasWsPainter::RemoveBuffersWithoutRealDrawing() |
2300 void CHuiCanvasWsPainter::RemoveBuffersWithoutRealDrawing() |
2257 { |
2301 { |
2258 TInt bufferCount = iCommandBuffers.Count(); |
2302 TInt bufferCount = iCommandBuffers.Count(); |