replicant-frameworks_native/opengl/tools/glgen/stubs/jsr239/GLCHeader.cpp

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**
** Copyright 2006, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
// This source file is automatically generated
#include "jni.h"
#include "JNIHelp.h"
#include <android_runtime/AndroidRuntime.h>
#include <utils/misc.h>
#include <assert.h>
#include <GLES/gl.h>
#include <GLES/glext.h>
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// Work around differences between the generated name and the actual name.
#define glBlendEquation glBlendEquationOES
#define glBlendEquationSeparate glBlendEquationSeparateOES
#define glBlendFuncSeparate glBlendFuncSeparateOES
#define glGetTexGenfv glGetTexGenfvOES
#define glGetTexGeniv glGetTexGenivOES
#define glGetTexGenxv glGetTexGenxvOES
#define glTexGenf glTexGenfOES
#define glTexGenfv glTexGenfvOES
#define glTexGeni glTexGeniOES
#define glTexGeniv glTexGenivOES
#define glTexGenx glTexGenxOES
#define glTexGenxv glTexGenxvOES
/* special calls implemented in Android's GLES wrapper used to more
* efficiently bound-check passed arrays */
extern "C" {
GL_API void GL_APIENTRY glColorPointerBounds(GLint size, GLenum type, GLsizei stride,
const GLvoid *ptr, GLsizei count);
GL_API void GL_APIENTRY glNormalPointerBounds(GLenum type, GLsizei stride,
const GLvoid *pointer, GLsizei count);
GL_API void GL_APIENTRY glTexCoordPointerBounds(GLint size, GLenum type,
GLsizei stride, const GLvoid *pointer, GLsizei count);
GL_API void GL_APIENTRY glVertexPointerBounds(GLint size, GLenum type,
GLsizei stride, const GLvoid *pointer, GLsizei count);
GL_API void GL_APIENTRY glPointSizePointerOESBounds(GLenum type,
GLsizei stride, const GLvoid *pointer, GLsizei count);
GL_API void GL_APIENTRY glMatrixIndexPointerOESBounds(GLint size, GLenum type,
GLsizei stride, const GLvoid *pointer, GLsizei count);
GL_API void GL_APIENTRY glWeightPointerOESBounds(GLint size, GLenum type,
GLsizei stride, const GLvoid *pointer, GLsizei count);
}
static int initialized = 0;
static jclass nioAccessClass;
static jclass bufferClass;
static jclass G11ImplClass;
static jmethodID getBasePointerID;
static jmethodID getBaseArrayID;
static jmethodID getBaseArrayOffsetID;
static jmethodID allowIndirectBuffersID;
static jfieldID positionID;
static jfieldID limitID;
static jfieldID elementSizeShiftID;
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static jfieldID haveCheckedExtensionsID;
static jfieldID have_OES_blend_equation_separateID;
static jfieldID have_OES_blend_subtractID;
static jfieldID have_OES_framebuffer_objectID;
static jfieldID have_OES_texture_cube_mapID;
/* Cache method IDs each time the class is loaded. */
static void
nativeClassInit(JNIEnv *_env, jclass glImplClass)
{
jclass nioAccessClassLocal = _env->FindClass("java/nio/NIOAccess");
nioAccessClass = (jclass) _env->NewGlobalRef(nioAccessClassLocal);
jclass bufferClassLocal = _env->FindClass("java/nio/Buffer");
bufferClass = (jclass) _env->NewGlobalRef(bufferClassLocal);
jclass g11impClassLocal = _env->FindClass("com/google/android/gles_jni/GLImpl");
G11ImplClass = (jclass) _env->NewGlobalRef(g11impClassLocal);
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haveCheckedExtensionsID = _env->GetFieldID(G11ImplClass, "haveCheckedExtensions", "Z");
have_OES_blend_equation_separateID = _env->GetFieldID(G11ImplClass, "have_OES_blend_equation_separate", "Z");
have_OES_blend_subtractID = _env->GetFieldID(G11ImplClass, "have_OES_blend_subtract", "Z");
have_OES_framebuffer_objectID = _env->GetFieldID(G11ImplClass, "have_OES_framebuffer_object", "Z");
have_OES_texture_cube_mapID = _env->GetFieldID(G11ImplClass, "have_OES_texture_cube_map", "Z");
getBasePointerID = _env->GetStaticMethodID(nioAccessClass,
"getBasePointer", "(Ljava/nio/Buffer;)J");
getBaseArrayID = _env->GetStaticMethodID(nioAccessClass,
"getBaseArray", "(Ljava/nio/Buffer;)Ljava/lang/Object;");
getBaseArrayOffsetID = _env->GetStaticMethodID(nioAccessClass,
"getBaseArrayOffset", "(Ljava/nio/Buffer;)I");
allowIndirectBuffersID = _env->GetStaticMethodID(g11impClassLocal,
"allowIndirectBuffers", "(Ljava/lang/String;)Z");
positionID = _env->GetFieldID(bufferClass, "position", "I");
limitID = _env->GetFieldID(bufferClass, "limit", "I");
elementSizeShiftID =
_env->GetFieldID(bufferClass, "_elementSizeShift", "I");
}
static void *
getPointer(JNIEnv *_env, jobject buffer, jarray *array, jint *remaining)
{
jint position;
jint limit;
jint elementSizeShift;
jlong pointer;
jint offset;
void *data;
position = _env->GetIntField(buffer, positionID);
limit = _env->GetIntField(buffer, limitID);
elementSizeShift = _env->GetIntField(buffer, elementSizeShiftID);
*remaining = (limit - position) << elementSizeShift;
pointer = _env->CallStaticLongMethod(nioAccessClass,
getBasePointerID, buffer);
if (pointer != 0L) {
*array = NULL;
return (void *) (jint) pointer;
}
*array = (jarray) _env->CallStaticObjectMethod(nioAccessClass,
getBaseArrayID, buffer);
if (*array == NULL) {
return (void*) NULL;
}
offset = _env->CallStaticIntMethod(nioAccessClass,
getBaseArrayOffsetID, buffer);
data = _env->GetPrimitiveArrayCritical(*array, (jboolean *) 0);
return (void *) ((char *) data + offset);
}
static void
releasePointer(JNIEnv *_env, jarray array, void *data, jboolean commit)
{
_env->ReleasePrimitiveArrayCritical(array, data,
commit ? 0 : JNI_ABORT);
}
extern "C" {
extern char* __progname;
}
static bool
allowIndirectBuffers(JNIEnv *_env) {
static jint sIndirectBufferCompatability;
if (sIndirectBufferCompatability == 0) {
jobject appName = _env->NewStringUTF(::__progname);
sIndirectBufferCompatability = _env->CallStaticBooleanMethod(G11ImplClass, allowIndirectBuffersID, appName) ? 2 : 1;
}
return sIndirectBufferCompatability == 2;
}
static void *
getDirectBufferPointer(JNIEnv *_env, jobject buffer) {
if (!buffer) {
return NULL;
}
void* buf = _env->GetDirectBufferAddress(buffer);
if (buf) {
jint position = _env->GetIntField(buffer, positionID);
jint elementSizeShift = _env->GetIntField(buffer, elementSizeShiftID);
buf = ((char*) buf) + (position << elementSizeShift);
} else {
if (allowIndirectBuffers(_env)) {
jarray array = 0;
jint remaining;
buf = getPointer(_env, buffer, &array, &remaining);
if (array) {
releasePointer(_env, array, buf, 0);
}
} else {
jniThrowException(_env, "java/lang/IllegalArgumentException",
"Must use a native order direct Buffer");
}
}
return buf;
}
static int
getNumCompressedTextureFormats() {
int numCompressedTextureFormats = 0;
glGetIntegerv(GL_NUM_COMPRESSED_TEXTURE_FORMATS, &numCompressedTextureFormats);
return numCompressedTextureFormats;
}
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// Check if the extension at the head of pExtensions is pExtension. Note that pExtensions is
// terminated by either 0 or space, while pExtension is terminated by 0.
static bool
extensionEqual(const GLubyte* pExtensions, const GLubyte* pExtension) {
while (true) {
char a = *pExtensions++;
char b = *pExtension++;
bool aEnd = a == '\0' || a == ' ';
bool bEnd = b == '\0';
if ( aEnd || bEnd) {
return aEnd == bEnd;
}
if ( a != b ) {
return false;
}
}
}
static const GLubyte*
nextExtension(const GLubyte* pExtensions) {
while (true) {
char a = *pExtensions++;
if ( a == '\0') {
return pExtensions-1;
} else if ( a == ' ') {
return pExtensions;
}
}
}
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static bool
checkForExtension(const GLubyte* pExtensions, const GLubyte* pExtension) {
for (;*pExtensions != '\0'; pExtensions = nextExtension(pExtensions)) {
if (extensionEqual(pExtensions, pExtension)) {
return true;
}
}
return false;
}
static bool
supportsExtension(JNIEnv *_env, jobject impl, jfieldID fieldId) {
if (!_env->GetBooleanField(impl, haveCheckedExtensionsID)) {
_env->SetBooleanField(impl, haveCheckedExtensionsID, true);
const GLubyte* sExtensions = glGetString(GL_EXTENSIONS);
_env->SetBooleanField(impl, have_OES_blend_equation_separateID,
checkForExtension(sExtensions, (const GLubyte*) "GL_OES_blend_equation_separate"));
_env->SetBooleanField(impl, have_OES_blend_subtractID,
checkForExtension(sExtensions, (const GLubyte*) "GL_OES_blend_subtract"));
_env->SetBooleanField(impl, have_OES_framebuffer_objectID,
checkForExtension(sExtensions, (const GLubyte*) "GL_OES_framebuffer_object"));
_env->SetBooleanField(impl, have_OES_texture_cube_mapID,
checkForExtension(sExtensions, (const GLubyte*) "GL_OES_texture_cube_map"));
}
return _env->GetBooleanField(impl, fieldId);
}
// --------------------------------------------------------------------------