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refactoring, and supporting buffer object streaming in immediate mode

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codeanticode
2021-08-07 04:12:36 -04:00
parent db51930836
commit bcea9315ad
3 changed files with 499 additions and 305 deletions
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26
core/src/processing/opengl/PGL.java
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@@ -77,6 +77,16 @@ public abstract class PGL {
protected static boolean USE_DIRECT_BUFFERS = true;
protected static int MIN_DIRECT_BUFFER_SIZE = 1;
/** Controls the use of buffer object streaming. In combination with use direct buffers,
* the only advantage of enabling it in immediate mode would be to reduce memory footprint
* since the direct vertex buffers would not be allocated, simply mapped from the OpenGL
* objects and thus only the vertex arrays would be created.
* In the case of the retained mode (PShape), memory footprint would be reduced (for the same
* reason) but it may enable some speed ups when editing a geometry in within a being/end
* tessellation update block. */
static public boolean USE_BUFFER_OBJECT_STREAMING_IN_IMMEDIATE_MODE = false;
static public boolean USE_BUFFER_OBJECT_STREAMING_IN_RETAINED_MODE = true;
/** Enables/disables mipmap use. */
protected static boolean MIPMAPS_ENABLED = true;
@@ -2355,7 +2365,7 @@ public abstract class PGL {
protected static ByteBuffer updateByteBuffer(ByteBuffer buf, byte[] arr,
boolean wrap) {
if (USE_DIRECT_BUFFERS) {
if (buf.isDirect()) {
if (buf == null || buf.capacity() < arr.length) {
buf = allocateDirectByteBuffer(arr.length);
}
@@ -2380,7 +2390,7 @@ public abstract class PGL {
protected static void updateByteBuffer(ByteBuffer buf, byte[] arr,
int offset, int size) {
if (USE_DIRECT_BUFFERS || (buf.hasArray() && buf.array() != arr)) {
if (buf.isDirect() || (buf.hasArray() && buf.array() != arr)) {
buf.position(offset);
buf.put(arr, offset, size);
buf.rewind();
@@ -2447,7 +2457,7 @@ public abstract class PGL {
protected static ShortBuffer updateShortBuffer(ShortBuffer buf, short[] arr,
boolean wrap) {
if (USE_DIRECT_BUFFERS) {
if (buf.isDirect()) {
if (buf == null || buf.capacity() < arr.length) {
buf = allocateDirectShortBuffer(arr.length);
}
@@ -2472,7 +2482,7 @@ public abstract class PGL {
protected static void updateShortBuffer(ShortBuffer buf, short[] arr,
int offset, int size) {
if (USE_DIRECT_BUFFERS || (buf.hasArray() && buf.array() != arr)) {
if (buf.isDirect() || (buf.hasArray() && buf.array() != arr)) {
buf.position(offset);
buf.put(arr, offset, size);
buf.rewind();
@@ -2539,7 +2549,7 @@ public abstract class PGL {
protected static IntBuffer updateIntBuffer(IntBuffer buf, int[] arr,
boolean wrap) {
if (USE_DIRECT_BUFFERS) {
if (buf.isDirect()) {
if (buf == null || buf.capacity() < arr.length) {
buf = allocateDirectIntBuffer(arr.length);
}
@@ -2564,7 +2574,7 @@ public abstract class PGL {
protected static void updateIntBuffer(IntBuffer buf, int[] arr,
int offset, int size) {
if (USE_DIRECT_BUFFERS || (buf.hasArray() && buf.array() != arr)) {
if (buf.isDirect() || (buf.hasArray() && buf.array() != arr)) {
buf.position(offset);
buf.put(arr, offset, size);
buf.rewind();
@@ -2630,7 +2640,7 @@ public abstract class PGL {
protected static FloatBuffer updateFloatBuffer(FloatBuffer buf, float[] arr,
boolean wrap) {
if (USE_DIRECT_BUFFERS) {
if (buf.isDirect()) {
if (buf == null || buf.capacity() < arr.length) {
buf = allocateDirectFloatBuffer(arr.length);
}
@@ -2655,7 +2665,7 @@ public abstract class PGL {
protected static void updateFloatBuffer(FloatBuffer buf, float[] arr,
int offset, int size) {
if (USE_DIRECT_BUFFERS || (buf.hasArray() && buf.array() != arr)) {
if (buf.isDirect() || (buf.hasArray() && buf.array() != arr)) {
buf.position(offset);
buf.put(arr, offset, size);
buf.rewind();