From f610ac01f50165b2ea6bc4a81d02abf2e222d876 Mon Sep 17 00:00:00 2001
From: Kenneth Russel <kbrussel@alum.mit.edu>
Date: Sun, 11 Nov 2001 21:30:13 +0000
Subject: Support for NVidia AllocateMemoryNV extension and fixed problem with
 extensions not being loaded

---
 C2J/manual/gl-manualCodedImplJNI14.c | 136 +++++++++++++++++++++++++----------
 1 file changed, 99 insertions(+), 37 deletions(-)

(limited to 'C2J/manual/gl-manualCodedImplJNI14.c')

diff --git a/C2J/manual/gl-manualCodedImplJNI14.c b/C2J/manual/gl-manualCodedImplJNI14.c
index 9bbf519..73bad7e 100644
--- a/C2J/manual/gl-manualCodedImplJNI14.c
+++ b/C2J/manual/gl-manualCodedImplJNI14.c
@@ -1,37 +1,99 @@
-/** THIS IS A MANUAL CODED PART
-    gl-manualCodedImplJNI.java
-*/
-
-static const char _gl_n_a_string[] = "GL-String not avaiable !";
-
-JNIEXPORT jstring JNICALL
-Java_gl4java_GLFunc14JauJNI_glGetString ( JNIEnv *env, jobject obj,
-	                                  jint name ) 
-{
-    const char * tmpString=0;
-
-    if ( disp__glGetString == NULL ) 
-    	return (*env)->NewStringUTF(env, _gl_n_a_string);
-
-    tmpString = disp__glGetString ( /* jint */ name);
-    if(tmpString==NULL)
-    	tmpString=_gl_n_a_string;
- 
-    return (*env)->NewStringUTF(env, tmpString);
-}
-
-static const char * _gl_lib_vendor_="Jausoft - Sven Goethel Software Development";
-static const char * _gl_lib_version_="2.8.0.8";
-
-JNIEXPORT jstring JNICALL
-Java_gl4java_GLFunc14JauJNI_getNativeVendor ( JNIEnv *env, jobject obj )
-{
-    return (*env)->NewStringUTF(env, _gl_lib_vendor_);   
-}
-
-JNIEXPORT jstring JNICALL
-Java_gl4java_GLFunc14JauJNI_getNativeVersion ( JNIEnv *env, jobject obj )
-{
-    return (*env)->NewStringUTF(env, _gl_lib_version_);   
-}
-
+/** THIS IS A MANUAL CODED PART
+    gl-manualCodedImplJNI.java
+*/
+
+static const char _gl_n_a_string[] = "GL-String not avaiable !";
+
+JNIEXPORT jstring JNICALL
+Java_gl4java_GLFunc14JauJNI_glGetString ( JNIEnv *env, jobject obj,
+	                                  jint name ) 
+{
+    const char * tmpString=0;
+
+    if ( disp__glGetString == NULL ) 
+    	return (*env)->NewStringUTF(env, _gl_n_a_string);
+
+    tmpString = disp__glGetString ( /* jint */ name);
+    if(tmpString==NULL)
+    	tmpString=_gl_n_a_string;
+ 
+    return (*env)->NewStringUTF(env, tmpString);
+}
+
+static const char * _gl_lib_vendor_="Jausoft - Sven Goethel Software Development";
+static const char * _gl_lib_version_="2.8.0.8";
+
+JNIEXPORT jstring JNICALL
+Java_gl4java_GLFunc14JauJNI_getNativeVendor ( JNIEnv *env, jobject obj )
+{
+    return (*env)->NewStringUTF(env, _gl_lib_vendor_);   
+}
+
+JNIEXPORT jstring JNICALL
+Java_gl4java_GLFunc14JauJNI_getNativeVersion ( JNIEnv *env, jobject obj )
+{
+    return (*env)->NewStringUTF(env, _gl_lib_version_);   
+}
+
+//----------------------------------------------------------------------
+// Support for NVidia routines
+//
+
+#include "ptrtypes.h"
+
+#ifdef _X11_
+  #include <GL/glx.h>
+  #include <dlfcn.h>
+  #include "glxtool.h"
+  #include <unistd.h>
+#endif
+
+#ifdef _WIN32_
+  #include "wgltool.h"
+#endif
+
+#define GET_GL_PROCADDRESS(a) getGLProcAddressHelper (NULL, NULL, (a), NULL, 1, 0);
+
+JNIEXPORT jlong JNICALL
+Java_gl4java_GLFunc14JauJNI_glAllocateMemoryNV0(JNIEnv* env, jobject unused,
+                                                jint size,
+                                                jfloat readFreq,
+                                                jfloat writeFreq,
+                                                jfloat priority)
+{
+  void* (CALLBACK *disp__glAllocateMemoryNV)(int, float, float, float) =
+#ifdef _WIN32_
+    disp__wglAllocateMemoryNV;
+#elif defined(_X11_)
+    disp__glXAllocateMemoryNV;
+#else
+    NULL;
+#endif
+
+  if (disp__glAllocateMemoryNV == NULL) return 0;
+
+  return ((uintptr_t) disp__glAllocateMemoryNV(size, readFreq, writeFreq, priority));
+}
+
+JNIEXPORT void JNICALL
+Java_gl4java_GLFunc14JauJNI_glFreeMemoryNV0(JNIEnv* env, jobject unused, jlong address)
+{
+  void (CALLBACK *disp__glFreeMemoryNV)(void*) =
+#if (defined(_WIN32_))
+      disp__wglFreeMemoryNV;
+#elif defined(_X11_)
+      disp__glXFreeMemoryNV;
+#else
+      NULL;
+#endif
+
+  if (disp__glFreeMemoryNV == NULL) return;
+
+  disp__glFreeMemoryNV((void*) ((uintptr_t) address));
+}
+
+JNIEXPORT jobject JNICALL
+Java_gl4java_GLFunc14JauJNI_newDirectByteBuffer(JNIEnv* env, jobject unused, jlong addr, jint capacity)
+{
+  return (*env)->NewDirectByteBuffer(env, (void *) ((uintptr_t) addr), capacity);
+}
-- 
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