| /* |
| * Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #include "D3DGlyphCache.h" |
| #include "D3DTextRenderer.h" |
| #include "D3DRenderQueue.h" |
| |
| void D3DGlyphCache_FlushGlyphVertexCache(); |
| |
| // static |
| HRESULT |
| D3DGlyphCache::CreateInstance(D3DContext *pCtx, GlyphCacheType gcType, |
| D3DGlyphCache **ppGlyphCache) |
| { |
| HRESULT res; |
| |
| J2dTraceLn(J2D_TRACE_INFO, "D3DGlyphCache::CreateInstance"); |
| |
| *ppGlyphCache = new D3DGlyphCache(gcType); |
| if (FAILED(res = (*ppGlyphCache)->Init(pCtx))) { |
| delete *ppGlyphCache; |
| *ppGlyphCache = NULL; |
| } |
| return res; |
| } |
| |
| D3DGlyphCache::D3DGlyphCache(GlyphCacheType type) |
| { |
| J2dTraceLn1(J2D_TRACE_INFO, "D3DGlyphCache::D3DGlyphCache gcType=%d", type); |
| |
| pCtx = NULL; |
| gcType = type; |
| pGlyphCacheRes = NULL; |
| pGlyphCache = NULL; |
| tileFormat = (gcType == CACHE_GRAY) ? TILEFMT_1BYTE_ALPHA : TILEFMT_UNKNOWN; |
| lastRGBOrder = JNI_FALSE; |
| } |
| |
| D3DGlyphCache::~D3DGlyphCache() |
| { |
| J2dTraceLn(J2D_TRACE_INFO, "D3DGlyphCache::~D3DGlyphCache"); |
| |
| ReleaseDefPoolResources(); |
| |
| pCtx = NULL; |
| if (pGlyphCache != NULL) { |
| AccelGlyphCache_Free(pGlyphCache); |
| pGlyphCache = NULL; |
| } |
| } |
| |
| void |
| D3DGlyphCache::ReleaseDefPoolResources() |
| { |
| J2dTraceLn(J2D_TRACE_INFO, "D3DGlyphCache::ReleaseDefPoolResources"); |
| |
| AccelGlyphCache_Invalidate(pGlyphCache); |
| // REMIND: the glyph cache texture is not in the default pool, so |
| // this can be optimized not to release the texture |
| pCtx->GetResourceManager()->ReleaseResource(pGlyphCacheRes); |
| pGlyphCacheRes = NULL; |
| } |
| |
| HRESULT |
| D3DGlyphCache::Init(D3DContext *pCtx) |
| { |
| D3DFORMAT format; |
| |
| RETURN_STATUS_IF_NULL(pCtx, E_FAIL); |
| |
| J2dTraceLn1(J2D_TRACE_INFO, "D3DGlyphCache::Init pCtx=%x", pCtx); |
| |
| this->pCtx = pCtx; |
| |
| if (pGlyphCache == NULL) { |
| // init glyph cache data structure |
| pGlyphCache = AccelGlyphCache_Init(D3DTR_CACHE_WIDTH, |
| D3DTR_CACHE_HEIGHT, |
| D3DTR_CACHE_CELL_WIDTH, |
| D3DTR_CACHE_CELL_HEIGHT, |
| D3DGlyphCache_FlushGlyphVertexCache); |
| if (pGlyphCache == NULL) { |
| J2dRlsTraceLn(J2D_TRACE_ERROR, |
| "D3DGlyphCache::Init: "\ |
| "could not init D3D glyph cache"); |
| return E_FAIL; |
| } |
| } |
| |
| if (gcType == CACHE_GRAY) { |
| format = pCtx->IsTextureFormatSupported(D3DFMT_A8) ? |
| D3DFMT_A8 : D3DFMT_A8R8G8B8; |
| } else { // gcType == CACHE_LCD |
| format = pCtx->IsTextureFormatSupported(D3DFMT_R8G8B8) ? |
| D3DFMT_R8G8B8 : D3DFMT_A8R8G8B8; |
| } |
| |
| HRESULT res = pCtx->GetResourceManager()-> |
| CreateTexture(D3DTR_CACHE_WIDTH, D3DTR_CACHE_HEIGHT, |
| FALSE/*isRTT*/, FALSE/*isOpaque*/, &format, 0/*usage*/, |
| &pGlyphCacheRes); |
| if (FAILED(res)) { |
| J2dRlsTraceLn(J2D_TRACE_ERROR, |
| "D3DGlyphCache::Init: "\ |
| "could not create glyph cache texture"); |
| } |
| |
| return res; |
| } |
| |
| HRESULT |
| D3DGlyphCache::AddGlyph(GlyphInfo *glyph) |
| { |
| HRESULT res = S_OK; |
| |
| RETURN_STATUS_IF_NULL(pGlyphCacheRes, E_FAIL); |
| |
| CacheCellInfo *cellInfo = AccelGlyphCache_AddGlyph(pGlyphCache, glyph); |
| if (cellInfo != NULL) { |
| jint pixelsTouchedL = 0, pixelsTouchedR = 0; |
| // store glyph image in texture cell |
| res = pCtx->UploadTileToTexture(pGlyphCacheRes, |
| glyph->image, |
| cellInfo->x, cellInfo->y, |
| 0, 0, |
| glyph->width, glyph->height, |
| glyph->rowBytes, tileFormat, |
| &pixelsTouchedL, |
| &pixelsTouchedR); |
| // LCD text rendering optimization: if the number of pixels touched on |
| // the first or last column of the glyph image is less than 1/3 of the |
| // height of the glyph we do not consider them touched. |
| // See D3DTextRenderer.cpp:UpdateCachedDestination for more information. |
| // The leftOff/rightOff are only used in LCD cache case. |
| if (gcType == CACHE_LCD) { |
| jint threshold = glyph->height/3; |
| |
| cellInfo->leftOff = pixelsTouchedL < threshold ? 1 : 0; |
| cellInfo->rightOff = pixelsTouchedR < threshold ? -1 : 0; |
| } else { |
| cellInfo->leftOff = 0; |
| cellInfo->rightOff = 0; |
| } |
| } |
| |
| return res; |
| } |
| |
| HRESULT |
| D3DGlyphCache::CheckGlyphCacheByteOrder(jboolean rgbOrder) |
| { |
| J2dTraceLn(J2D_TRACE_INFO, "D3DGlyphCache::CheckGlyphCacheByteOrder"); |
| |
| if (gcType != CACHE_LCD) { |
| J2dTraceLn(J2D_TRACE_ERROR, "D3DGlyphCache::CheckGlyphCacheByteOrder"\ |
| " invoked on CACHE_GRAY cache type instance!"); |
| return E_FAIL; |
| } |
| |
| if (rgbOrder != lastRGBOrder) { |
| // need to invalidate the cache in this case; see comments |
| // for lastRGBOrder |
| AccelGlyphCache_Invalidate(pGlyphCache); |
| lastRGBOrder = rgbOrder; |
| } |
| tileFormat = rgbOrder ? TILEFMT_3BYTE_RGB : TILEFMT_3BYTE_BGR; |
| |
| return S_OK; |
| } |
| |
| /** |
| * This method is invoked in the (relatively rare) case where one or |
| * more glyphs is about to be kicked out of the glyph cache texture. |
| * Here we simply flush the vertex queue of the current context in case |
| * any pending vertices are dependent upon the current glyph cache layout. |
| */ |
| static void |
| D3DGlyphCache_FlushGlyphVertexCache() |
| { |
| D3DContext *d3dc = D3DRQ_GetCurrentContext(); |
| if (d3dc != NULL) { |
| J2dTraceLn(J2D_TRACE_INFO, "D3DGlyphCache_FlushGlyphVertexCache"); |
| d3dc->FlushVertexQueue(); |
| } |
| } |