author | ihse |
Sat, 03 Mar 2018 08:21:47 +0100 | |
branch | ihse-warnings-cflags-branch |
changeset 56230 | 489867818774 |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
2 | 1 |
/* |
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parents:
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changeset
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* Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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#ifndef HEADLESS |
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||
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#include <stdlib.h> |
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#include <string.h> |
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30 |
||
31 |
#include "sun_java2d_SunGraphics2D.h" |
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||
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#include "jlong.h" |
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#include "jni_util.h" |
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#include "OGLContext.h" |
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#include "OGLRenderQueue.h" |
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#include "OGLSurfaceData.h" |
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#include "GraphicsPrimitiveMgr.h" |
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#include "Region.h" |
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#include "jvm.h" |
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|
2 | 43 |
/** |
44 |
* The following methods are implemented in the windowing system (i.e. GLX |
|
45 |
* and WGL) source files. |
|
46 |
*/ |
|
47 |
extern jboolean OGLSD_InitOGLWindow(JNIEnv *env, OGLSDOps *oglsdo); |
|
48 |
extern OGLContext *OGLSD_MakeOGLContextCurrent(JNIEnv *env, |
|
49 |
OGLSDOps *srcOps, |
|
50 |
OGLSDOps *dstOps); |
|
51 |
||
52 |
/** |
|
53 |
* This table contains the standard blending rules (or Porter-Duff compositing |
|
54 |
* factors) used in glBlendFunc(), indexed by the rule constants from the |
|
55 |
* AlphaComposite class. |
|
56 |
*/ |
|
57 |
OGLBlendRule StdBlendRules[] = { |
|
58 |
{ GL_ZERO, GL_ZERO }, /* 0 - Nothing */ |
|
59 |
{ GL_ZERO, GL_ZERO }, /* 1 - RULE_Clear */ |
|
60 |
{ GL_ONE, GL_ZERO }, /* 2 - RULE_Src */ |
|
61 |
{ GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, /* 3 - RULE_SrcOver */ |
|
62 |
{ GL_ONE_MINUS_DST_ALPHA, GL_ONE }, /* 4 - RULE_DstOver */ |
|
63 |
{ GL_DST_ALPHA, GL_ZERO }, /* 5 - RULE_SrcIn */ |
|
64 |
{ GL_ZERO, GL_SRC_ALPHA }, /* 6 - RULE_DstIn */ |
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65 |
{ GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, /* 7 - RULE_SrcOut */ |
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66 |
{ GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, /* 8 - RULE_DstOut */ |
|
67 |
{ GL_ZERO, GL_ONE }, /* 9 - RULE_Dst */ |
|
68 |
{ GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, /*10 - RULE_SrcAtop */ |
|
69 |
{ GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, /*11 - RULE_DstAtop */ |
|
70 |
{ GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, /*12 - RULE_AlphaXor*/ |
|
71 |
}; |
|
72 |
||
73 |
/** Evaluates to "front" or "back", depending on the value of buf. */ |
|
74 |
#define OGLC_ACTIVE_BUFFER_NAME(buf) \ |
|
75 |
(buf == GL_FRONT || buf == GL_COLOR_ATTACHMENT0_EXT) ? "front" : "back" |
|
76 |
||
77 |
/** |
|
78 |
* Initializes the viewport and projection matrix, effectively positioning |
|
79 |
* the origin at the top-left corner of the surface. This allows Java 2D |
|
80 |
* coordinates to be passed directly to OpenGL, which is typically based on |
|
81 |
* a bottom-right coordinate system. This method also sets the appropriate |
|
82 |
* read and draw buffers. |
|
83 |
*/ |
|
84 |
static void |
|
85 |
OGLContext_SetViewport(OGLSDOps *srcOps, OGLSDOps *dstOps) |
|
86 |
{ |
|
87 |
jint width = dstOps->width; |
|
88 |
jint height = dstOps->height; |
|
89 |
||
90 |
J2dTraceLn4(J2D_TRACE_INFO, |
|
91 |
"OGLContext_SetViewport: w=%d h=%d read=%s draw=%s", |
|
92 |
width, height, |
|
93 |
OGLC_ACTIVE_BUFFER_NAME(srcOps->activeBuffer), |
|
94 |
OGLC_ACTIVE_BUFFER_NAME(dstOps->activeBuffer)); |
|
95 |
||
96 |
// set the viewport and projection matrix |
|
97 |
j2d_glViewport(dstOps->xOffset, dstOps->yOffset, |
|
98 |
(GLsizei)width, (GLsizei)height); |
|
99 |
j2d_glMatrixMode(GL_PROJECTION); |
|
100 |
j2d_glLoadIdentity(); |
|
101 |
j2d_glOrtho(0.0, (GLdouble)width, (GLdouble)height, 0.0, -1.0, 1.0); |
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102 |
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103 |
// set the active read and draw buffers |
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104 |
j2d_glReadBuffer(srcOps->activeBuffer); |
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105 |
j2d_glDrawBuffer(dstOps->activeBuffer); |
|
106 |
||
107 |
// set the color mask to enable alpha channel only when necessary |
|
108 |
j2d_glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, (GLboolean)!dstOps->isOpaque); |
|
109 |
} |
|
110 |
||
111 |
/** |
|
112 |
* Initializes the alpha channel of the current surface so that it contains |
|
113 |
* fully opaque alpha values. |
|
114 |
*/ |
|
115 |
static void |
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56230 | 116 |
OGLContext_InitAlphaChannel(void) |
2 | 117 |
{ |
118 |
GLboolean scissorEnabled; |
|
119 |
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120 |
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_InitAlphaChannel"); |
|
121 |
||
122 |
// it is possible for the scissor test to be enabled at this point; |
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123 |
// if it is, disable it temporarily since it can affect the glClear() op |
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124 |
scissorEnabled = j2d_glIsEnabled(GL_SCISSOR_TEST); |
|
125 |
if (scissorEnabled) { |
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126 |
j2d_glDisable(GL_SCISSOR_TEST); |
|
127 |
} |
|
128 |
||
129 |
// set the color mask so that we only affect the alpha channel |
|
130 |
j2d_glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_TRUE); |
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131 |
||
132 |
// clear the color buffer so that the alpha channel is fully opaque |
|
133 |
j2d_glClearColor(0.0f, 0.0f, 0.0f, 1.0f); |
|
134 |
j2d_glClear(GL_COLOR_BUFFER_BIT); |
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||
136 |
// restore the color mask (as it was set in OGLContext_SetViewport()) |
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j2d_glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_FALSE); |
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138 |
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139 |
// re-enable scissor test, only if it was enabled earlier |
|
140 |
if (scissorEnabled) { |
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141 |
j2d_glEnable(GL_SCISSOR_TEST); |
|
142 |
} |
|
143 |
} |
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144 |
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145 |
/** |
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146 |
* Fetches the OGLContext associated with the given destination surface, |
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147 |
* makes the context current for those surfaces, updates the destination |
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148 |
* viewport, and then returns a pointer to the OGLContext. |
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149 |
*/ |
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150 |
OGLContext * |
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151 |
OGLContext_SetSurfaces(JNIEnv *env, jlong pSrc, jlong pDst) |
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152 |
{ |
|
153 |
OGLSDOps *srcOps = (OGLSDOps *)jlong_to_ptr(pSrc); |
|
154 |
OGLSDOps *dstOps = (OGLSDOps *)jlong_to_ptr(pDst); |
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155 |
OGLContext *oglc = NULL; |
|
156 |
||
157 |
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_SetSurfaces"); |
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158 |
||
159 |
if (srcOps == NULL || dstOps == NULL) { |
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160 |
J2dRlsTraceLn(J2D_TRACE_ERROR, |
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161 |
"OGLContext_SetSurfaces: ops are null"); |
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162 |
return NULL; |
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163 |
} |
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164 |
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J2dTraceLn2(J2D_TRACE_VERBOSE, " srctype=%d dsttype=%d", |
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166 |
srcOps->drawableType, dstOps->drawableType); |
|
167 |
||
168 |
if (dstOps->drawableType == OGLSD_TEXTURE) { |
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169 |
J2dRlsTraceLn(J2D_TRACE_ERROR, |
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170 |
"OGLContext_SetSurfaces: texture cannot be used as destination"); |
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171 |
return NULL; |
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172 |
} |
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173 |
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174 |
if (dstOps->drawableType == OGLSD_UNDEFINED) { |
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175 |
// initialize the surface as an OGLSD_WINDOW |
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176 |
if (!OGLSD_InitOGLWindow(env, dstOps)) { |
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177 |
J2dRlsTraceLn(J2D_TRACE_ERROR, |
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"OGLContext_SetSurfaces: could not init OGL window"); |
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179 |
return NULL; |
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180 |
} |
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181 |
} |
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182 |
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183 |
// make the context current |
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184 |
oglc = OGLSD_MakeOGLContextCurrent(env, srcOps, dstOps); |
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185 |
if (oglc == NULL) { |
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186 |
J2dRlsTraceLn(J2D_TRACE_ERROR, |
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187 |
"OGLContext_SetSurfaces: could not make context current"); |
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188 |
return NULL; |
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189 |
} |
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190 |
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191 |
// update the viewport |
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192 |
OGLContext_SetViewport(srcOps, dstOps); |
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193 |
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194 |
// perform additional one-time initialization, if necessary |
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195 |
if (dstOps->needsInit) { |
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196 |
if (dstOps->isOpaque) { |
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197 |
// in this case we are treating the destination as opaque, but |
|
198 |
// to do so, first we need to ensure that the alpha channel |
|
199 |
// is filled with fully opaque values (see 6319663) |
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200 |
OGLContext_InitAlphaChannel(); |
|
201 |
} |
|
202 |
dstOps->needsInit = JNI_FALSE; |
|
203 |
} |
|
204 |
||
205 |
return oglc; |
|
206 |
} |
|
207 |
||
208 |
/** |
|
209 |
* Resets the current clip state (disables both scissor and depth tests). |
|
210 |
*/ |
|
211 |
void |
|
212 |
OGLContext_ResetClip(OGLContext *oglc) |
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213 |
{ |
|
214 |
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_ResetClip"); |
|
215 |
||
216 |
RETURN_IF_NULL(oglc); |
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217 |
CHECK_PREVIOUS_OP(OGL_STATE_CHANGE); |
|
218 |
||
219 |
j2d_glDisable(GL_SCISSOR_TEST); |
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220 |
j2d_glDisable(GL_DEPTH_TEST); |
|
221 |
} |
|
222 |
||
223 |
/** |
|
224 |
* Sets the OpenGL scissor bounds to the provided rectangular clip bounds. |
|
225 |
*/ |
|
226 |
void |
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227 |
OGLContext_SetRectClip(OGLContext *oglc, OGLSDOps *dstOps, |
|
228 |
jint x1, jint y1, jint x2, jint y2) |
|
229 |
{ |
|
230 |
jint width = x2 - x1; |
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231 |
jint height = y2 - y1; |
|
232 |
||
233 |
J2dTraceLn4(J2D_TRACE_INFO, |
|
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"OGLContext_SetRectClip: x=%d y=%d w=%d h=%d", |
|
235 |
x1, y1, width, height); |
|
236 |
||
237 |
RETURN_IF_NULL(dstOps); |
|
238 |
RETURN_IF_NULL(oglc); |
|
239 |
CHECK_PREVIOUS_OP(OGL_STATE_CHANGE); |
|
240 |
||
241 |
if ((width < 0) || (height < 0)) { |
|
242 |
// use an empty scissor rectangle when the region is empty |
|
243 |
width = 0; |
|
244 |
height = 0; |
|
245 |
} |
|
246 |
||
247 |
j2d_glDisable(GL_DEPTH_TEST); |
|
248 |
j2d_glEnable(GL_SCISSOR_TEST); |
|
249 |
||
250 |
// the scissor rectangle is specified using the lower-left |
|
251 |
// origin of the clip region (in the framebuffer's coordinate |
|
252 |
// space), so we must account for the x/y offsets of the |
|
253 |
// destination surface |
|
254 |
j2d_glScissor(dstOps->xOffset + x1, |
|
255 |
dstOps->yOffset + dstOps->height - (y1 + height), |
|
256 |
width, height); |
|
257 |
} |
|
258 |
||
259 |
/** |
|
260 |
* Sets up a complex (shape) clip using the OpenGL depth buffer. This |
|
261 |
* method prepares the depth buffer so that the clip Region spans can |
|
262 |
* be "rendered" into it. The depth buffer is first cleared, then the |
|
263 |
* depth func is setup so that when we render the clip spans, |
|
264 |
* nothing is rendered into the color buffer, but for each pixel that would |
|
265 |
* be rendered, a non-zero value is placed into that location in the depth |
|
266 |
* buffer. With depth test enabled, pixels will only be rendered into the |
|
267 |
* color buffer if the corresponding value at that (x,y) location in the |
|
268 |
* depth buffer differs from the incoming depth value. |
|
269 |
*/ |
|
270 |
void |
|
271 |
OGLContext_BeginShapeClip(OGLContext *oglc) |
|
272 |
{ |
|
273 |
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_BeginShapeClip"); |
|
274 |
||
275 |
RETURN_IF_NULL(oglc); |
|
276 |
RESET_PREVIOUS_OP(); |
|
277 |
||
278 |
j2d_glDisable(GL_SCISSOR_TEST); |
|
279 |
||
280 |
// enable depth test and clear depth buffer so that depth values are at |
|
281 |
// their maximum; also set the depth func to GL_ALWAYS so that the |
|
282 |
// depth values of the clip spans are forced into the depth buffer |
|
283 |
j2d_glEnable(GL_DEPTH_TEST); |
|
284 |
j2d_glClearDepth(1.0); |
|
285 |
j2d_glClear(GL_DEPTH_BUFFER_BIT); |
|
286 |
j2d_glDepthFunc(GL_ALWAYS); |
|
287 |
||
288 |
// disable writes into the color buffer while we set up the clip |
|
289 |
j2d_glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); |
|
290 |
||
291 |
// save current transform |
|
292 |
j2d_glMatrixMode(GL_MODELVIEW); |
|
293 |
j2d_glPushMatrix(); |
|
294 |
||
295 |
// use identity transform plus slight translation in the z-axis when |
|
296 |
// setting the clip spans; this will push the clip spans (which would |
|
297 |
// normally be at z=0) to the z=1 plane to give them some depth |
|
298 |
j2d_glLoadIdentity(); |
|
299 |
j2d_glTranslatef(0.0f, 0.0f, 1.0f); |
|
300 |
} |
|
301 |
||
302 |
/** |
|
303 |
* Finishes setting up the shape clip by resetting the depth func |
|
304 |
* so that future rendering operations will once again be written into the |
|
305 |
* color buffer (while respecting the clip set up in the depth buffer). |
|
306 |
*/ |
|
307 |
void |
|
308 |
OGLContext_EndShapeClip(OGLContext *oglc, OGLSDOps *dstOps) |
|
309 |
{ |
|
310 |
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_EndShapeClip"); |
|
311 |
||
312 |
RETURN_IF_NULL(dstOps); |
|
313 |
RETURN_IF_NULL(oglc); |
|
314 |
RESET_PREVIOUS_OP(); |
|
315 |
||
316 |
// restore transform |
|
317 |
j2d_glPopMatrix(); |
|
318 |
||
319 |
// re-enable writes into the color buffer |
|
320 |
j2d_glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, (GLboolean)!dstOps->isOpaque); |
|
321 |
||
322 |
// enable the depth test so that only fragments within the clip region |
|
323 |
// (i.e. those fragments whose z-values are >= the values currently |
|
324 |
// stored in the depth buffer) are rendered |
|
325 |
j2d_glDepthFunc(GL_GEQUAL); |
|
326 |
} |
|
327 |
||
328 |
/** |
|
329 |
* Initializes the OpenGL state responsible for applying extra alpha. This |
|
330 |
* step is only necessary for any operation that uses glDrawPixels() or |
|
331 |
* glCopyPixels() with a non-1.0f extra alpha value. Since the source is |
|
332 |
* always premultiplied, we apply the extra alpha value to both alpha and |
|
333 |
* color components using GL_*_SCALE. |
|
334 |
*/ |
|
335 |
void |
|
336 |
OGLContext_SetExtraAlpha(jfloat ea) |
|
337 |
{ |
|
338 |
J2dTraceLn1(J2D_TRACE_INFO, "OGLContext_SetExtraAlpha: ea=%f", ea); |
|
339 |
||
340 |
j2d_glPixelTransferf(GL_ALPHA_SCALE, ea); |
|
341 |
j2d_glPixelTransferf(GL_RED_SCALE, ea); |
|
342 |
j2d_glPixelTransferf(GL_GREEN_SCALE, ea); |
|
343 |
j2d_glPixelTransferf(GL_BLUE_SCALE, ea); |
|
344 |
} |
|
345 |
||
346 |
/** |
|
347 |
* Resets all OpenGL compositing state (disables blending and logic |
|
348 |
* operations). |
|
349 |
*/ |
|
350 |
void |
|
351 |
OGLContext_ResetComposite(OGLContext *oglc) |
|
352 |
{ |
|
353 |
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_ResetComposite"); |
|
354 |
||
355 |
RETURN_IF_NULL(oglc); |
|
356 |
CHECK_PREVIOUS_OP(OGL_STATE_CHANGE); |
|
357 |
||
358 |
// disable blending and XOR mode |
|
359 |
if (oglc->compState == sun_java2d_SunGraphics2D_COMP_ALPHA) { |
|
360 |
j2d_glDisable(GL_BLEND); |
|
361 |
} else if (oglc->compState == sun_java2d_SunGraphics2D_COMP_XOR) { |
|
362 |
j2d_glDisable(GL_COLOR_LOGIC_OP); |
|
363 |
j2d_glDisable(GL_ALPHA_TEST); |
|
364 |
} |
|
365 |
||
366 |
// set state to default values |
|
367 |
oglc->compState = sun_java2d_SunGraphics2D_COMP_ISCOPY; |
|
368 |
oglc->extraAlpha = 1.0f; |
|
369 |
} |
|
370 |
||
371 |
/** |
|
372 |
* Initializes the OpenGL blending state. XOR mode is disabled and the |
|
373 |
* appropriate blend functions are setup based on the AlphaComposite rule |
|
374 |
* constant. |
|
375 |
*/ |
|
376 |
void |
|
377 |
OGLContext_SetAlphaComposite(OGLContext *oglc, |
|
378 |
jint rule, jfloat extraAlpha, jint flags) |
|
379 |
{ |
|
380 |
J2dTraceLn1(J2D_TRACE_INFO, |
|
381 |
"OGLContext_SetAlphaComposite: flags=%d", flags); |
|
382 |
||
383 |
RETURN_IF_NULL(oglc); |
|
384 |
CHECK_PREVIOUS_OP(OGL_STATE_CHANGE); |
|
385 |
||
386 |
// disable XOR mode |
|
387 |
if (oglc->compState == sun_java2d_SunGraphics2D_COMP_XOR) { |
|
388 |
j2d_glDisable(GL_COLOR_LOGIC_OP); |
|
389 |
j2d_glDisable(GL_ALPHA_TEST); |
|
390 |
} |
|
391 |
||
392 |
// we can safely disable blending when: |
|
393 |
// - comp is SrcNoEa or SrcOverNoEa, and |
|
394 |
// - the source is opaque |
|
395 |
// (turning off blending can have a large positive impact on |
|
396 |
// performance) |
|
397 |
if ((rule == RULE_Src || rule == RULE_SrcOver) && |
|
398 |
(extraAlpha == 1.0f) && |
|
399 |
(flags & OGLC_SRC_IS_OPAQUE)) |
|
400 |
{ |
|
401 |
J2dTraceLn1(J2D_TRACE_VERBOSE, |
|
402 |
" disabling alpha comp: rule=%d ea=1.0 src=opq", rule); |
|
403 |
j2d_glDisable(GL_BLEND); |
|
404 |
} else { |
|
405 |
J2dTraceLn2(J2D_TRACE_VERBOSE, |
|
406 |
" enabling alpha comp: rule=%d ea=%f", rule, extraAlpha); |
|
407 |
j2d_glEnable(GL_BLEND); |
|
408 |
j2d_glBlendFunc(StdBlendRules[rule].src, StdBlendRules[rule].dst); |
|
409 |
} |
|
410 |
||
411 |
// update state |
|
412 |
oglc->compState = sun_java2d_SunGraphics2D_COMP_ALPHA; |
|
413 |
oglc->extraAlpha = extraAlpha; |
|
414 |
} |
|
415 |
||
416 |
/** |
|
417 |
* Initializes the OpenGL logic op state to XOR mode. Blending is disabled |
|
418 |
* before enabling logic op mode. The XOR pixel value will be applied |
|
419 |
* later in the OGLContext_SetColor() method. |
|
420 |
*/ |
|
421 |
void |
|
422 |
OGLContext_SetXorComposite(OGLContext *oglc, jint xorPixel) |
|
423 |
{ |
|
424 |
J2dTraceLn1(J2D_TRACE_INFO, |
|
425 |
"OGLContext_SetXorComposite: xorPixel=%08x", xorPixel); |
|
426 |
||
427 |
RETURN_IF_NULL(oglc); |
|
428 |
CHECK_PREVIOUS_OP(OGL_STATE_CHANGE); |
|
429 |
||
430 |
// disable blending mode |
|
431 |
if (oglc->compState == sun_java2d_SunGraphics2D_COMP_ALPHA) { |
|
432 |
j2d_glDisable(GL_BLEND); |
|
433 |
} |
|
434 |
||
435 |
// enable XOR mode |
|
436 |
j2d_glEnable(GL_COLOR_LOGIC_OP); |
|
437 |
j2d_glLogicOp(GL_XOR); |
|
438 |
||
439 |
// set up the alpha test so that we discard transparent fragments (this |
|
440 |
// is primarily useful for rendering text in XOR mode) |
|
441 |
j2d_glEnable(GL_ALPHA_TEST); |
|
442 |
j2d_glAlphaFunc(GL_NOTEQUAL, 0.0f); |
|
443 |
||
444 |
// update state |
|
445 |
oglc->compState = sun_java2d_SunGraphics2D_COMP_XOR; |
|
446 |
oglc->xorPixel = xorPixel; |
|
447 |
oglc->extraAlpha = 1.0f; |
|
448 |
} |
|
449 |
||
450 |
/** |
|
451 |
* Resets the OpenGL transform state back to the identity matrix. |
|
452 |
*/ |
|
453 |
void |
|
454 |
OGLContext_ResetTransform(OGLContext *oglc) |
|
455 |
{ |
|
456 |
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_ResetTransform"); |
|
457 |
||
458 |
RETURN_IF_NULL(oglc); |
|
459 |
CHECK_PREVIOUS_OP(OGL_STATE_CHANGE); |
|
460 |
||
461 |
j2d_glMatrixMode(GL_MODELVIEW); |
|
462 |
j2d_glLoadIdentity(); |
|
463 |
} |
|
464 |
||
465 |
/** |
|
466 |
* Initializes the OpenGL transform state by setting the modelview transform |
|
467 |
* using the given matrix parameters. |
|
468 |
* |
|
469 |
* REMIND: it may be worthwhile to add serial id to AffineTransform, so we |
|
470 |
* could do a quick check to see if the xform has changed since |
|
471 |
* last time... a simple object compare won't suffice... |
|
472 |
*/ |
|
473 |
void |
|
474 |
OGLContext_SetTransform(OGLContext *oglc, |
|
475 |
jdouble m00, jdouble m10, |
|
476 |
jdouble m01, jdouble m11, |
|
477 |
jdouble m02, jdouble m12) |
|
478 |
{ |
|
479 |
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_SetTransform"); |
|
480 |
||
481 |
RETURN_IF_NULL(oglc); |
|
482 |
CHECK_PREVIOUS_OP(OGL_STATE_CHANGE); |
|
483 |
||
484 |
if (oglc->xformMatrix == NULL) { |
|
485 |
size_t arrsize = 16 * sizeof(GLdouble); |
|
486 |
oglc->xformMatrix = (GLdouble *)malloc(arrsize); |
|
487 |
memset(oglc->xformMatrix, 0, arrsize); |
|
488 |
oglc->xformMatrix[10] = 1.0; |
|
489 |
oglc->xformMatrix[15] = 1.0; |
|
490 |
} |
|
491 |
||
492 |
// copy values from AffineTransform object into native matrix array |
|
493 |
oglc->xformMatrix[0] = m00; |
|
494 |
oglc->xformMatrix[1] = m10; |
|
495 |
oglc->xformMatrix[4] = m01; |
|
496 |
oglc->xformMatrix[5] = m11; |
|
497 |
oglc->xformMatrix[12] = m02; |
|
498 |
oglc->xformMatrix[13] = m12; |
|
499 |
||
500 |
J2dTraceLn3(J2D_TRACE_VERBOSE, " [%lf %lf %lf]", |
|
501 |
oglc->xformMatrix[0], oglc->xformMatrix[4], |
|
502 |
oglc->xformMatrix[12]); |
|
503 |
J2dTraceLn3(J2D_TRACE_VERBOSE, " [%lf %lf %lf]", |
|
504 |
oglc->xformMatrix[1], oglc->xformMatrix[5], |
|
505 |
oglc->xformMatrix[13]); |
|
506 |
||
507 |
j2d_glMatrixMode(GL_MODELVIEW); |
|
508 |
j2d_glLoadMatrixd(oglc->xformMatrix); |
|
509 |
} |
|
510 |
||
511 |
/** |
|
512 |
* Creates a 2D texture of the given format and dimensions and returns the |
|
513 |
* texture object identifier. This method is typically used to create a |
|
514 |
* temporary texture for intermediate work, such as in the |
|
515 |
* OGLContext_InitBlitTileTexture() method below. |
|
516 |
*/ |
|
517 |
GLuint |
|
518 |
OGLContext_CreateBlitTexture(GLenum internalFormat, GLenum pixelFormat, |
|
519 |
GLuint width, GLuint height) |
|
520 |
{ |
|
521 |
GLuint texID; |
|
522 |
GLint sp, sr, rl, align; |
|
523 |
GLclampf priority = 1.0f; |
|
524 |
||
525 |
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_CreateBlitTexture"); |
|
526 |
||
527 |
j2d_glGenTextures(1, &texID); |
|
528 |
j2d_glBindTexture(GL_TEXTURE_2D, texID); |
|
529 |
j2d_glPrioritizeTextures(1, &texID, &priority); |
|
530 |
j2d_glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
|
531 |
j2d_glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
|
532 |
OGLSD_RESET_TEXTURE_WRAP(GL_TEXTURE_2D); |
|
533 |
||
534 |
// save pixel store parameters (since this method could be invoked after |
|
535 |
// the caller has already set up its pixel store parameters) |
|
536 |
j2d_glGetIntegerv(GL_UNPACK_SKIP_PIXELS, &sp); |
|
537 |
j2d_glGetIntegerv(GL_UNPACK_SKIP_ROWS, &sr); |
|
538 |
j2d_glGetIntegerv(GL_UNPACK_ROW_LENGTH, &rl); |
|
539 |
j2d_glGetIntegerv(GL_UNPACK_ALIGNMENT, &align); |
|
540 |
||
541 |
// set pixel store parameters to default values |
|
542 |
j2d_glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0); |
|
543 |
j2d_glPixelStorei(GL_UNPACK_SKIP_ROWS, 0); |
|
544 |
j2d_glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); |
|
545 |
j2d_glPixelStorei(GL_UNPACK_ALIGNMENT, 1); |
|
546 |
||
547 |
j2d_glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, |
|
548 |
width, height, 0, |
|
549 |
pixelFormat, GL_UNSIGNED_BYTE, NULL); |
|
550 |
||
551 |
// restore pixel store parameters |
|
552 |
j2d_glPixelStorei(GL_UNPACK_SKIP_PIXELS, sp); |
|
553 |
j2d_glPixelStorei(GL_UNPACK_SKIP_ROWS, sr); |
|
554 |
j2d_glPixelStorei(GL_UNPACK_ROW_LENGTH, rl); |
|
555 |
j2d_glPixelStorei(GL_UNPACK_ALIGNMENT, align); |
|
556 |
||
557 |
return texID; |
|
558 |
} |
|
559 |
||
560 |
/** |
|
561 |
* Initializes a small texture tile for use with tiled blit operations (see |
|
562 |
* OGLBlitLoops.c and OGLMaskBlit.c for usage examples). The texture ID for |
|
563 |
* the tile is stored in the given OGLContext. The tile is initially filled |
|
564 |
* with garbage values, but the tile is updated as needed (via |
|
565 |
* glTexSubImage2D()) with real RGBA values used in tiled blit situations. |
|
566 |
* The internal format for the texture is GL_RGBA8, which should be sufficient |
|
567 |
* for storing system memory surfaces of any known format (see PixelFormats |
|
568 |
* for a list of compatible surface formats). |
|
569 |
*/ |
|
570 |
jboolean |
|
571 |
OGLContext_InitBlitTileTexture(OGLContext *oglc) |
|
572 |
{ |
|
573 |
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_InitBlitTileTexture"); |
|
574 |
||
575 |
oglc->blitTextureID = |
|
576 |
OGLContext_CreateBlitTexture(GL_RGBA8, GL_RGBA, |
|
577 |
OGLC_BLIT_TILE_SIZE, |
|
578 |
OGLC_BLIT_TILE_SIZE); |
|
579 |
||
580 |
return JNI_TRUE; |
|
581 |
} |
|
582 |
||
583 |
/** |
|
584 |
* Destroys the OpenGL resources associated with the given OGLContext. |
|
585 |
* It is required that the native context associated with the OGLContext |
|
586 |
* be made current prior to calling this method. |
|
587 |
*/ |
|
588 |
void |
|
589 |
OGLContext_DestroyContextResources(OGLContext *oglc) |
|
590 |
{ |
|
591 |
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_DestroyContextResources"); |
|
592 |
||
593 |
if (oglc->xformMatrix != NULL) { |
|
594 |
free(oglc->xformMatrix); |
|
595 |
} |
|
596 |
||
597 |
if (oglc->blitTextureID != 0) { |
|
598 |
j2d_glDeleteTextures(1, &oglc->blitTextureID); |
|
599 |
} |
|
600 |
} |
|
601 |
||
602 |
/** |
|
603 |
* Returns JNI_TRUE if the given extension name is available for the current |
|
604 |
* GraphicsConfig; JNI_FALSE otherwise. An extension is considered available |
|
605 |
* if its identifier string is found amongst the space-delimited GL_EXTENSIONS |
|
606 |
* string. |
|
607 |
* |
|
608 |
* Adapted from the OpenGL Red Book, pg. 506. |
|
609 |
*/ |
|
610 |
jboolean |
|
611 |
OGLContext_IsExtensionAvailable(const char *extString, char *extName) |
|
612 |
{ |
|
613 |
jboolean ret = JNI_FALSE; |
|
614 |
char *p = (char *)extString; |
|
615 |
char *end; |
|
616 |
||
617 |
if (extString == NULL) { |
|
618 |
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_IsExtensionAvailable"); |
|
619 |
J2dRlsTraceLn(J2D_TRACE_ERROR, |
|
620 |
"OGLContext_IsExtensionAvailable: extension string is null"); |
|
621 |
return JNI_FALSE; |
|
622 |
} |
|
623 |
||
624 |
end = p + strlen(p); |
|
625 |
||
626 |
while (p < end) { |
|
627 |
size_t n = strcspn(p, " "); |
|
628 |
||
629 |
if ((strlen(extName) == n) && (strncmp(extName, p, n) == 0)) { |
|
630 |
ret = JNI_TRUE; |
|
631 |
break; |
|
632 |
} |
|
633 |
||
634 |
p += (n + 1); |
|
635 |
} |
|
636 |
||
637 |
J2dRlsTraceLn2(J2D_TRACE_INFO, |
|
638 |
"OGLContext_IsExtensionAvailable: %s=%s", |
|
639 |
extName, ret ? "true" : "false"); |
|
640 |
||
641 |
return ret; |
|
642 |
} |
|
643 |
||
644 |
/** |
|
645 |
* Returns JNI_TRUE only if all of the following conditions are met: |
|
646 |
* - the GL_EXT_framebuffer_object extension is available |
|
647 |
* - FBO support has been enabled via the system property |
|
648 |
* - we can successfully create an FBO with depth capabilities |
|
649 |
*/ |
|
650 |
static jboolean |
|
651 |
OGLContext_IsFBObjectExtensionAvailable(JNIEnv *env, |
|
652 |
const char *extString) |
|
653 |
{ |
|
654 |
jboolean isFBObjectEnabled = JNI_FALSE; |
|
655 |
GLuint fbobjectID, textureID, depthID; |
|
656 |
jint width = 1, height = 1; |
|
657 |
||
658 |
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_IsFBObjectExtensionAvailable"); |
|
659 |
||
660 |
// first see if the fbobject extension is available |
|
661 |
if (!OGLContext_IsExtensionAvailable(extString, |
|
662 |
"GL_EXT_framebuffer_object")) |
|
663 |
{ |
|
664 |
return JNI_FALSE; |
|
665 |
} |
|
666 |
||
18516
1f7d58c5f2e7
8016254: several sun/java2d/OpenGL tests failed with SIGFPE
vadim
parents:
5506
diff
changeset
|
667 |
// next see if the depth texture extension is available |
1f7d58c5f2e7
8016254: several sun/java2d/OpenGL tests failed with SIGFPE
vadim
parents:
5506
diff
changeset
|
668 |
if (!OGLContext_IsExtensionAvailable(extString, |
1f7d58c5f2e7
8016254: several sun/java2d/OpenGL tests failed with SIGFPE
vadim
parents:
5506
diff
changeset
|
669 |
"GL_ARB_depth_texture")) |
1f7d58c5f2e7
8016254: several sun/java2d/OpenGL tests failed with SIGFPE
vadim
parents:
5506
diff
changeset
|
670 |
{ |
1f7d58c5f2e7
8016254: several sun/java2d/OpenGL tests failed with SIGFPE
vadim
parents:
5506
diff
changeset
|
671 |
return JNI_FALSE; |
1f7d58c5f2e7
8016254: several sun/java2d/OpenGL tests failed with SIGFPE
vadim
parents:
5506
diff
changeset
|
672 |
} |
1f7d58c5f2e7
8016254: several sun/java2d/OpenGL tests failed with SIGFPE
vadim
parents:
5506
diff
changeset
|
673 |
|
2 | 674 |
// next see if the fbobject system property has been enabled |
675 |
isFBObjectEnabled = |
|
676 |
JNU_GetStaticFieldByName(env, NULL, |
|
677 |
"sun/java2d/opengl/OGLSurfaceData", |
|
678 |
"isFBObjectEnabled", "Z").z; |
|
679 |
if (!isFBObjectEnabled) { |
|
680 |
J2dRlsTraceLn(J2D_TRACE_INFO, |
|
681 |
"OGLContext_IsFBObjectExtensionAvailable: disabled via flag"); |
|
682 |
return JNI_FALSE; |
|
683 |
} |
|
684 |
||
685 |
// finally, create a dummy fbobject with depth capabilities to see |
|
686 |
// if this configuration is supported by the drivers/hardware |
|
687 |
// (first we initialize a color texture object that will be used to |
|
688 |
// construct the dummy fbobject) |
|
689 |
j2d_glGenTextures(1, &textureID); |
|
690 |
j2d_glBindTexture(GL_TEXTURE_2D, textureID); |
|
691 |
j2d_glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, |
|
692 |
width, height, 0, |
|
693 |
GL_RGB, GL_UNSIGNED_BYTE, NULL); |
|
694 |
j2d_glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
|
695 |
j2d_glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
|
696 |
||
697 |
// initialize framebuffer object using color texture created above |
|
698 |
if (!OGLSD_InitFBObject(&fbobjectID, &depthID, |
|
699 |
textureID, GL_TEXTURE_2D, |
|
700 |
width, height)) |
|
701 |
{ |
|
702 |
J2dRlsTraceLn(J2D_TRACE_INFO, |
|
703 |
"OGLContext_IsFBObjectExtensionAvailable: fbobject unsupported"); |
|
704 |
j2d_glDeleteTextures(1, &textureID); |
|
705 |
return JNI_FALSE; |
|
706 |
} |
|
707 |
||
708 |
// delete the temporary resources |
|
709 |
j2d_glDeleteTextures(1, &textureID); |
|
710 |
j2d_glDeleteRenderbuffersEXT(1, &depthID); |
|
711 |
j2d_glDeleteFramebuffersEXT(1, &fbobjectID); |
|
712 |
||
713 |
J2dRlsTraceLn(J2D_TRACE_INFO, |
|
714 |
"OGLContext_IsFBObjectExtensionAvailable: fbobject supported"); |
|
715 |
||
716 |
return JNI_TRUE; |
|
717 |
} |
|
718 |
||
719 |
/** |
|
720 |
* Returns JNI_TRUE only if all of the following conditions are met: |
|
721 |
* - the GL_ARB_fragment_shader extension is available |
|
722 |
* - the LCD text shader codepath has been enabled via the system property |
|
723 |
* - the hardware supports the minimum number of texture units |
|
724 |
*/ |
|
725 |
static jboolean |
|
726 |
OGLContext_IsLCDShaderSupportAvailable(JNIEnv *env, |
|
727 |
jboolean fragShaderAvailable) |
|
728 |
{ |
|
729 |
jboolean isLCDShaderEnabled = JNI_FALSE; |
|
730 |
GLint maxTexUnits; |
|
731 |
||
732 |
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_IsLCDShaderSupportAvailable"); |
|
733 |
||
734 |
// first see if the fragment shader extension is available |
|
735 |
if (!fragShaderAvailable) { |
|
736 |
return JNI_FALSE; |
|
737 |
} |
|
738 |
||
739 |
// next see if the lcdshader system property has been enabled |
|
740 |
isLCDShaderEnabled = |
|
741 |
JNU_GetStaticFieldByName(env, NULL, |
|
742 |
"sun/java2d/opengl/OGLSurfaceData", |
|
743 |
"isLCDShaderEnabled", "Z").z; |
|
744 |
if (!isLCDShaderEnabled) { |
|
745 |
J2dRlsTraceLn(J2D_TRACE_INFO, |
|
746 |
"OGLContext_IsLCDShaderSupportAvailable: disabled via flag"); |
|
747 |
return JNI_FALSE; |
|
748 |
} |
|
749 |
||
750 |
// finally, check to see if the hardware supports the required number |
|
751 |
// of texture units |
|
752 |
j2d_glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS_ARB, &maxTexUnits); |
|
31158
062c7363dd12
8023794: [macosx] LCD Rendering hints seems not working without FRACTIONALMETRICS=ON
bae
parents:
28076
diff
changeset
|
753 |
if (maxTexUnits < 2) { |
2 | 754 |
J2dRlsTraceLn1(J2D_TRACE_INFO, |
755 |
"OGLContext_IsLCDShaderSupportAvailable: not enough tex units (%d)", |
|
756 |
maxTexUnits); |
|
757 |
} |
|
758 |
||
759 |
J2dRlsTraceLn(J2D_TRACE_INFO, |
|
760 |
"OGLContext_IsLCDShaderSupportAvailable: LCD text shader supported"); |
|
761 |
||
762 |
return JNI_TRUE; |
|
763 |
} |
|
764 |
||
765 |
/** |
|
766 |
* Returns JNI_TRUE only if all of the following conditions are met: |
|
767 |
* - the GL_ARB_fragment_shader extension is available |
|
768 |
* - the BufferedImageOp shader codepath has been enabled via the |
|
769 |
* system property |
|
770 |
*/ |
|
771 |
static jboolean |
|
772 |
OGLContext_IsBIOpShaderSupportAvailable(JNIEnv *env, |
|
773 |
jboolean fragShaderAvailable) |
|
774 |
{ |
|
775 |
jboolean isBIOpShaderEnabled = JNI_FALSE; |
|
776 |
||
777 |
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_IsBIOpShaderSupportAvailable"); |
|
778 |
||
779 |
// first see if the fragment shader extension is available |
|
780 |
if (!fragShaderAvailable) { |
|
781 |
return JNI_FALSE; |
|
782 |
} |
|
783 |
||
784 |
// next see if the biopshader system property has been enabled |
|
785 |
isBIOpShaderEnabled = |
|
786 |
JNU_GetStaticFieldByName(env, NULL, |
|
787 |
"sun/java2d/opengl/OGLSurfaceData", |
|
788 |
"isBIOpShaderEnabled", "Z").z; |
|
789 |
if (!isBIOpShaderEnabled) { |
|
790 |
J2dRlsTraceLn(J2D_TRACE_INFO, |
|
791 |
"OGLContext_IsBIOpShaderSupportAvailable: disabled via flag"); |
|
792 |
return JNI_FALSE; |
|
793 |
} |
|
794 |
||
795 |
/* |
|
796 |
* Note: In theory we should probably do some other checks here, like |
|
797 |
* linking a sample shader to see if the hardware truly supports our |
|
798 |
* shader programs. However, our current BufferedImageOp shaders were |
|
799 |
* designed to support first-generation shader-level hardware, so the |
|
800 |
* assumption is that if our shaders work on those GPUs, then they'll |
|
801 |
* work on newer ones as well. Also, linking a fragment program can |
|
802 |
* cost valuable CPU cycles, which is another reason to avoid these |
|
803 |
* checks at startup. |
|
804 |
*/ |
|
805 |
||
806 |
J2dRlsTraceLn(J2D_TRACE_INFO, |
|
807 |
"OGLContext_IsBIOpShaderSupportAvailable: BufferedImageOp shader supported"); |
|
808 |
||
809 |
return JNI_TRUE; |
|
810 |
} |
|
811 |
||
812 |
/** |
|
813 |
* Returns JNI_TRUE only if all of the following conditions are met: |
|
814 |
* - the GL_ARB_fragment_shader extension is available |
|
815 |
* - the Linear/RadialGradientPaint shader codepath has been enabled via the |
|
816 |
* system property |
|
817 |
*/ |
|
818 |
static jboolean |
|
819 |
OGLContext_IsGradShaderSupportAvailable(JNIEnv *env, |
|
820 |
jboolean fragShaderAvailable) |
|
821 |
{ |
|
822 |
jboolean isGradShaderEnabled = JNI_FALSE; |
|
823 |
||
824 |
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_IsGradShaderSupportAvailable"); |
|
825 |
||
826 |
// first see if the fragment shader extension is available |
|
827 |
if (!fragShaderAvailable) { |
|
828 |
return JNI_FALSE; |
|
829 |
} |
|
830 |
||
831 |
// next see if the gradshader system property has been enabled |
|
832 |
isGradShaderEnabled = |
|
833 |
JNU_GetStaticFieldByName(env, NULL, |
|
834 |
"sun/java2d/opengl/OGLSurfaceData", |
|
835 |
"isGradShaderEnabled", "Z").z; |
|
836 |
if (!isGradShaderEnabled) { |
|
837 |
J2dRlsTraceLn(J2D_TRACE_INFO, |
|
838 |
"OGLContext_IsGradShaderSupportAvailable: disabled via flag"); |
|
839 |
return JNI_FALSE; |
|
840 |
} |
|
841 |
||
842 |
J2dRlsTraceLn(J2D_TRACE_INFO, |
|
843 |
"OGLContext_IsGradShaderSupportAvailable: Linear/RadialGradientPaint shader supported"); |
|
844 |
||
845 |
return JNI_TRUE; |
|
846 |
} |
|
847 |
||
848 |
/** |
|
849 |
* Checks for the presence of the optional extensions used by |
|
850 |
* the Java 2D OpenGL pipeline. The given caps bitfield is updated |
|
851 |
* to reflect the availability of these extensions. |
|
852 |
*/ |
|
853 |
void |
|
854 |
OGLContext_GetExtensionInfo(JNIEnv *env, jint *caps) |
|
855 |
{ |
|
856 |
jint vcap = OGLC_VENDOR_OTHER; |
|
857 |
const char *vendor = (char *)j2d_glGetString(GL_VENDOR); |
|
858 |
const char *e = (char *)j2d_glGetString(GL_EXTENSIONS); |
|
859 |
jboolean fragShaderAvail = |
|
860 |
OGLContext_IsExtensionAvailable(e, "GL_ARB_fragment_shader"); |
|
861 |
||
862 |
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_GetExtensionInfo"); |
|
863 |
||
887 | 864 |
*caps |= CAPS_TEXNONSQUARE; |
2 | 865 |
if (OGLContext_IsExtensionAvailable(e, "GL_ARB_multitexture")) { |
887 | 866 |
*caps |= CAPS_MULTITEXTURE; |
2 | 867 |
} |
868 |
if (OGLContext_IsExtensionAvailable(e, "GL_ARB_texture_non_power_of_two")){ |
|
887 | 869 |
*caps |= CAPS_TEXNONPOW2; |
2 | 870 |
} |
887 | 871 |
// 6656574: Use of the GL_ARB_texture_rectangle extension by Java 2D |
872 |
// complicates any third-party libraries that try to interact with |
|
873 |
// the OGL pipeline (and we've run into driver bugs in the past related |
|
874 |
// to this extension), so for now we will disable its use by default (unless |
|
875 |
// forced). We will still make use of the GL_ARB_texture_non_power_of_two |
|
876 |
// extension when available, which is the better choice going forward |
|
877 |
// anyway. |
|
878 |
if (OGLContext_IsExtensionAvailable(e, "GL_ARB_texture_rectangle") && |
|
879 |
getenv("J2D_OGL_TEXRECT") != NULL) |
|
880 |
{ |
|
881 |
*caps |= CAPS_EXT_TEXRECT; |
|
2 | 882 |
} |
883 |
if (OGLContext_IsFBObjectExtensionAvailable(env, e)) { |
|
887 | 884 |
*caps |= CAPS_EXT_FBOBJECT; |
2 | 885 |
} |
886 |
if (OGLContext_IsLCDShaderSupportAvailable(env, fragShaderAvail)) { |
|
887 | 887 |
*caps |= CAPS_EXT_LCD_SHADER | CAPS_PS20; |
2 | 888 |
} |
889 |
if (OGLContext_IsBIOpShaderSupportAvailable(env, fragShaderAvail)) { |
|
887 | 890 |
*caps |= CAPS_EXT_BIOP_SHADER | CAPS_PS20; |
2 | 891 |
} |
892 |
if (OGLContext_IsGradShaderSupportAvailable(env, fragShaderAvail)) { |
|
887 | 893 |
*caps |= CAPS_EXT_GRAD_SHADER | CAPS_PS20; |
2 | 894 |
} |
887 | 895 |
if (OGLContext_IsExtensionAvailable(e, "GL_NV_fragment_program")) { |
896 |
// this is an Nvidia board, at least PS 2.0, but we can't |
|
897 |
// use the "max instructions" heuristic since GeForce FX |
|
898 |
// boards report 1024 even though they're only PS 2.0, |
|
899 |
// so we'll check the following, which does imply PS 3.0 |
|
900 |
if (OGLContext_IsExtensionAvailable(e, "GL_NV_fragment_program2")) { |
|
901 |
*caps |= CAPS_PS30; |
|
902 |
} |
|
903 |
} else { |
|
904 |
// for all other boards, we look at the "max instructions" |
|
905 |
// count reported by the GL_ARB_fragment_program extension |
|
906 |
// as a heuristic for detecting PS 3.0 compatible hardware |
|
907 |
if (OGLContext_IsExtensionAvailable(e, "GL_ARB_fragment_program")) { |
|
908 |
GLint instr; |
|
909 |
j2d_glGetProgramivARB(GL_FRAGMENT_PROGRAM_ARB, |
|
910 |
GL_MAX_PROGRAM_INSTRUCTIONS_ARB, &instr); |
|
911 |
if (instr > 512) { |
|
912 |
*caps |= CAPS_PS30; |
|
913 |
} |
|
914 |
} |
|
915 |
} |
|
31882 | 916 |
if (OGLContext_IsExtensionAvailable(e, "GL_NV_texture_barrier")) { |
917 |
*caps |= CAPS_EXT_TEXBARRIER; |
|
918 |
} |
|
919 |
||
2 | 920 |
// stuff vendor descriptor in the upper bits of the caps |
921 |
if (vendor != NULL) { |
|
922 |
if (strncmp(vendor, "ATI", 3) == 0) { |
|
923 |
vcap = OGLC_VENDOR_ATI; |
|
924 |
} else if (strncmp(vendor, "NVIDIA", 6) == 0) { |
|
925 |
vcap = OGLC_VENDOR_NVIDIA; |
|
28076
64c048b63cea
8059944: [OGL] Metrics for a method choice copying of texture should be improved
serb
parents:
26751
diff
changeset
|
926 |
} else if (strncmp(vendor, "Intel", 5) == 0) { |
64c048b63cea
8059944: [OGL] Metrics for a method choice copying of texture should be improved
serb
parents:
26751
diff
changeset
|
927 |
vcap = OGLC_VENDOR_INTEL; |
2 | 928 |
} |
887 | 929 |
// REMIND: new in 7 - check if needs fixing |
930 |
*caps |= ((vcap & OGLC_VCAP_MASK) << OGLC_VCAP_OFFSET); |
|
2 | 931 |
} |
887 | 932 |
|
2 | 933 |
} |
934 |
||
935 |
/** |
|
936 |
* Returns JNI_TRUE if the given GL_VERSION string meets the minimum |
|
937 |
* requirements (>= 1.2); JNI_FALSE otherwise. |
|
938 |
*/ |
|
939 |
jboolean |
|
940 |
OGLContext_IsVersionSupported(const unsigned char *versionstr) |
|
941 |
{ |
|
942 |
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_IsVersionSupported"); |
|
943 |
||
944 |
if (versionstr == NULL) { |
|
945 |
J2dRlsTraceLn(J2D_TRACE_ERROR, |
|
946 |
"OGLContext_IsVersionSupported: version string is null"); |
|
947 |
return JNI_FALSE; |
|
948 |
} |
|
949 |
||
950 |
// note that this check allows for OpenGL 2.x |
|
951 |
return ((versionstr[0] == '1' && versionstr[2] >= '2') || |
|
952 |
(versionstr[0] >= '2')); |
|
953 |
} |
|
954 |
||
955 |
/** |
|
956 |
* Compiles and links the given fragment shader program. If |
|
957 |
* successful, this function returns a handle to the newly created shader |
|
958 |
* program; otherwise returns 0. |
|
959 |
*/ |
|
960 |
GLhandleARB |
|
961 |
OGLContext_CreateFragmentProgram(const char *fragmentShaderSource) |
|
962 |
{ |
|
963 |
GLhandleARB fragmentShader, fragmentProgram; |
|
964 |
GLint success; |
|
965 |
int infoLogLength = 0; |
|
966 |
||
967 |
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_CreateFragmentProgram"); |
|
968 |
||
969 |
// create the shader object and compile the shader source code |
|
970 |
fragmentShader = j2d_glCreateShaderObjectARB(GL_FRAGMENT_SHADER_ARB); |
|
971 |
j2d_glShaderSourceARB(fragmentShader, 1, &fragmentShaderSource, NULL); |
|
972 |
j2d_glCompileShaderARB(fragmentShader); |
|
973 |
j2d_glGetObjectParameterivARB(fragmentShader, |
|
974 |
GL_OBJECT_COMPILE_STATUS_ARB, |
|
975 |
&success); |
|
976 |
||
977 |
// print the compiler messages, if necessary |
|
978 |
j2d_glGetObjectParameterivARB(fragmentShader, |
|
979 |
GL_OBJECT_INFO_LOG_LENGTH_ARB, |
|
980 |
&infoLogLength); |
|
981 |
if (infoLogLength > 1) { |
|
982 |
char infoLog[1024]; |
|
983 |
j2d_glGetInfoLogARB(fragmentShader, 1024, NULL, infoLog); |
|
984 |
J2dRlsTraceLn2(J2D_TRACE_WARNING, |
|
985 |
"OGLContext_CreateFragmentProgram: compiler msg (%d):\n%s", |
|
986 |
infoLogLength, infoLog); |
|
987 |
} |
|
988 |
||
989 |
if (!success) { |
|
990 |
J2dRlsTraceLn(J2D_TRACE_ERROR, |
|
991 |
"OGLContext_CreateFragmentProgram: error compiling shader"); |
|
992 |
j2d_glDeleteObjectARB(fragmentShader); |
|
993 |
return 0; |
|
994 |
} |
|
995 |
||
996 |
// create the program object and attach it to the shader |
|
997 |
fragmentProgram = j2d_glCreateProgramObjectARB(); |
|
998 |
j2d_glAttachObjectARB(fragmentProgram, fragmentShader); |
|
999 |
||
1000 |
// it is now safe to delete the shader object |
|
1001 |
j2d_glDeleteObjectARB(fragmentShader); |
|
1002 |
||
1003 |
// link the program |
|
1004 |
j2d_glLinkProgramARB(fragmentProgram); |
|
1005 |
j2d_glGetObjectParameterivARB(fragmentProgram, |
|
1006 |
GL_OBJECT_LINK_STATUS_ARB, |
|
1007 |
&success); |
|
1008 |
||
1009 |
// print the linker messages, if necessary |
|
1010 |
j2d_glGetObjectParameterivARB(fragmentProgram, |
|
1011 |
GL_OBJECT_INFO_LOG_LENGTH_ARB, |
|
1012 |
&infoLogLength); |
|
1013 |
if (infoLogLength > 1) { |
|
1014 |
char infoLog[1024]; |
|
1015 |
j2d_glGetInfoLogARB(fragmentProgram, 1024, NULL, infoLog); |
|
1016 |
J2dRlsTraceLn2(J2D_TRACE_WARNING, |
|
1017 |
"OGLContext_CreateFragmentProgram: linker msg (%d):\n%s", |
|
1018 |
infoLogLength, infoLog); |
|
1019 |
} |
|
1020 |
||
1021 |
if (!success) { |
|
1022 |
J2dRlsTraceLn(J2D_TRACE_ERROR, |
|
1023 |
"OGLContext_CreateFragmentProgram: error linking shader"); |
|
1024 |
j2d_glDeleteObjectARB(fragmentProgram); |
|
1025 |
return 0; |
|
1026 |
} |
|
1027 |
||
1028 |
return fragmentProgram; |
|
1029 |
} |
|
1030 |
||
887 | 1031 |
/* |
1032 |
* Class: sun_java2d_opengl_OGLContext |
|
1033 |
* Method: getOGLIdString |
|
1034 |
* Signature: ()Ljava/lang/String; |
|
1035 |
*/ |
|
1036 |
JNIEXPORT jstring JNICALL Java_sun_java2d_opengl_OGLContext_getOGLIdString |
|
1037 |
(JNIEnv *env, jclass oglcc) |
|
1038 |
{ |
|
1039 |
char *vendor, *renderer, *version; |
|
1040 |
char *pAdapterId; |
|
1041 |
jobject ret = NULL; |
|
1042 |
int len; |
|
1043 |
||
1044 |
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_getOGLIdString"); |
|
1045 |
||
1046 |
vendor = (char*)j2d_glGetString(GL_VENDOR); |
|
1047 |
if (vendor == NULL) { |
|
1048 |
vendor = "Unknown Vendor"; |
|
1049 |
} |
|
1050 |
renderer = (char*)j2d_glGetString(GL_RENDERER); |
|
1051 |
if (renderer == NULL) { |
|
1052 |
renderer = "Unknown Renderer"; |
|
1053 |
} |
|
1054 |
version = (char*)j2d_glGetString(GL_VERSION); |
|
1055 |
if (version == NULL) { |
|
1056 |
version = "unknown version"; |
|
1057 |
} |
|
1058 |
||
1059 |
// 'vendor renderer (version)0' |
|
1060 |
len = strlen(vendor) + 1 + strlen(renderer) + 1 + 1+strlen(version)+1 + 1; |
|
1061 |
pAdapterId = malloc(len); |
|
1062 |
if (pAdapterId != NULL) { |
|
1063 |
||
1064 |
jio_snprintf(pAdapterId, len, "%s %s (%s)", vendor, renderer, version); |
|
1065 |
||
1066 |
J2dTraceLn1(J2D_TRACE_VERBOSE, " id=%s", pAdapterId); |
|
1067 |
||
1068 |
ret = JNU_NewStringPlatform(env, pAdapterId); |
|
1069 |
||
1070 |
free(pAdapterId); |
|
1071 |
} |
|
1072 |
||
1073 |
return ret; |
|
1074 |
} |
|
1075 |
||
2 | 1076 |
#endif /* !HEADLESS */ |