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GLES20: use get_nio_buffer function from util.c

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The version in util.c has a fix found by -Xcheck:jni
This commit is contained in:
Julian Winkler
2024-02-04 15:46:03 +01:00
parent aa56f3fb81
commit 4ab7daa033
1 changed files with 1 additions and 30 deletions
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31
src/api-impl-jni/android_opengl_GLES20.c
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@@ -2,39 +2,10 @@
#include <jni.h>
#include <stdint.h>
#include "defines.h"
#include "util.h"
#include "generated_headers/android_opengl_GLES20.h"
static void *get_nio_buffer(JNIEnv *env, jobject buffer, jarray *array_ref, jbyte **array) {
jclass class;
void *pointer;
int elementSizeShift, position;
if (!buffer) {
*array_ref = NULL;
return NULL;
}
class = _CLASS(buffer);
pointer = _PTR((*env)->GetLongField(env, buffer, _FIELD_ID(class, "address", "J")));
elementSizeShift = (*env)->GetIntField(env, buffer, _FIELD_ID(class, "_elementSizeShift", "I"));
position = (*env)->GetIntField(env, buffer, _FIELD_ID(class, "position", "I"));
if (pointer) { // buffer is direct
*array_ref = NULL;
pointer += position << elementSizeShift;
} else { // buffer is indirect
*array_ref = (*env)->CallObjectMethod(env, buffer, _METHOD(class, "array", "()Ljava/lang/Object;"));
pointer = *array = (*env)->GetPrimitiveArrayCritical(env, *array_ref, NULL);
jint offset = (*env)->CallIntMethod(env, buffer, _METHOD(class, "arrayOffset", "()I"));
pointer += (offset + position) << elementSizeShift;
}
return pointer;
}
static void release_nio_buffer(JNIEnv *env, jarray array_ref, jbyte *array) {
if (array_ref)
(*env)->ReleasePrimitiveArrayCritical(env, array_ref, array, 0);
}
JNIEXPORT jstring JNICALL Java_android_opengl_GLES20_glGetString(JNIEnv *env, jclass, jint name) {
const char* chars = (const char*) glGetString((GLenum) name);
return _JSTRING(chars);