jdk/src/share/native/sun/java2d/opengl/OGLVertexCache.h
changeset 2 90ce3da70b43
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/native/sun/java2d/opengl/OGLVertexCache.h	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+#ifndef OGLVertexCache_h_Included
+#define OGLVertexCache_h_Included
+
+#include "j2d_md.h"
+#include "OGLContext.h"
+
+/**
+ * Constants that control the size of the vertex cache.
+ */
+#define OGLVC_MAX_INDEX         1024
+
+/**
+ * Constants that control the size of the texture tile cache used for
+ * mask operations.
+ */
+#define OGLVC_MASK_CACHE_TILE_WIDTH       32
+#define OGLVC_MASK_CACHE_TILE_HEIGHT      32
+#define OGLVC_MASK_CACHE_TILE_SIZE \
+   (OGLVC_MASK_CACHE_TILE_WIDTH * OGLVC_MASK_CACHE_TILE_HEIGHT)
+
+#define OGLVC_MASK_CACHE_WIDTH_IN_TILES   8
+#define OGLVC_MASK_CACHE_HEIGHT_IN_TILES  4
+
+#define OGLVC_MASK_CACHE_WIDTH_IN_TEXELS \
+   (OGLVC_MASK_CACHE_TILE_WIDTH * OGLVC_MASK_CACHE_WIDTH_IN_TILES)
+#define OGLVC_MASK_CACHE_HEIGHT_IN_TEXELS \
+   (OGLVC_MASK_CACHE_TILE_HEIGHT * OGLVC_MASK_CACHE_HEIGHT_IN_TILES)
+
+/*
+ * We reserve one (fully opaque) tile in the upper-right corner for
+ * operations where the mask is null.
+ */
+#define OGLVC_MASK_CACHE_MAX_INDEX \
+   ((OGLVC_MASK_CACHE_WIDTH_IN_TILES * OGLVC_MASK_CACHE_HEIGHT_IN_TILES) - 1)
+#define OGLVC_MASK_CACHE_SPECIAL_TILE_X \
+   (OGLVC_MASK_CACHE_WIDTH_IN_TEXELS - OGLVC_MASK_CACHE_TILE_WIDTH)
+#define OGLVC_MASK_CACHE_SPECIAL_TILE_Y \
+   (OGLVC_MASK_CACHE_HEIGHT_IN_TEXELS - OGLVC_MASK_CACHE_TILE_HEIGHT)
+
+/**
+ * Exported methods.
+ */
+jboolean OGLVertexCache_InitVertexCache();
+void OGLVertexCache_FlushVertexCache();
+void OGLVertexCache_RestoreColorState(OGLContext *oglc);
+
+void OGLVertexCache_EnableMaskCache(OGLContext *oglc);
+void OGLVertexCache_DisableMaskCache(OGLContext *oglc);
+void OGLVertexCache_AddMaskQuad(OGLContext *oglc,
+                                jint srcx, jint srcy,
+                                jint dstx, jint dsty,
+                                jint width, jint height,
+                                jint maskscan, void *mask);
+
+void OGLVertexCache_AddGlyphQuad(OGLContext *oglc,
+                                 jfloat tx1, jfloat ty1,
+                                 jfloat tx2, jfloat ty2,
+                                 jfloat dx1, jfloat dy1,
+                                 jfloat dx2, jfloat dy2);
+
+#endif /* OGLVertexCache_h_Included */