DIvan2000/ReplayModCinematic
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Add depth map export (closes #371)

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This commit is contained in:
Jonas Herzig
2020-10-04 13:44:14 +02:00
parent a7d424679b
commit d8135d9038
26 changed files with 283 additions and 130 deletions
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45
src/main/java/com/replaymod/render/EXRWriter.java
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@@ -2,7 +2,8 @@
package com.replaymod.render;
import com.replaymod.core.versions.MCVer;
import com.replaymod.render.frame.EXRFrame;
import com.replaymod.render.frame.BitmapFrame;
import com.replaymod.render.rendering.Channel;
import com.replaymod.render.rendering.FrameConsumer;
import com.replaymod.render.utils.ByteBufferPool;
import de.johni0702.minecraft.gui.utils.lwjgl.ReadableDimension;
@@ -18,12 +19,13 @@ import java.nio.FloatBuffer;
import java.nio.IntBuffer;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Map;
import static org.lwjgl.system.MemoryStack.*;
import static org.lwjgl.system.MemoryUtil.*;
import static org.lwjgl.util.tinyexr.TinyEXR.*;
public class EXRWriter implements FrameConsumer<EXRFrame> {
public class EXRWriter implements FrameConsumer<BitmapFrame> {
private final Path outputFolder;
@@ -34,13 +36,16 @@ public class EXRWriter implements FrameConsumer<EXRFrame> {
}
@Override
public void consume(EXRFrame frame) {
Path path = outputFolder.resolve(frame.getFrameId() + ".exr");
ReadableDimension size = frame.getSize();
ByteBuffer bgra = frame.getBgraBuffer();
public void consume(Map<Channel, BitmapFrame> channels) {
BitmapFrame bgraFrame = channels.get(Channel.BRGA);
BitmapFrame depthFrame = channels.get(Channel.DEPTH);
Path path = outputFolder.resolve(bgraFrame.getFrameId() + ".exr");
ReadableDimension size = bgraFrame.getSize();
ByteBuffer bgra = bgraFrame.getByteBuffer();
int width = size.getWidth();
int height = size.getHeight();
int numChannels = 3;
int numChannels = 4 + (depthFrame != null ? 1 : 0);
stackPush();
EXRHeader header = EXRHeader.mallocStack(); InitEXRHeader(header);
@@ -58,33 +63,45 @@ public class EXRWriter implements FrameConsumer<EXRFrame> {
header.requested_pixel_types(requestedPixelTypes);
// Some readers ignore this, so we use the most expected order
memASCII("B", true, channelInfos.get(0).name());
memASCII("G", true, channelInfos.get(1).name());
memASCII("R", true, channelInfos.get(2).name());
memASCII("A", true, channelInfos.get(0).name());
memASCII("B", true, channelInfos.get(1).name());
memASCII("G", true, channelInfos.get(2).name());
memASCII("R", true, channelInfos.get(3).name());
for (int i = 0; i < numChannels; i++) {
pixelTypes.put(i, TINYEXR_PIXELTYPE_FLOAT);
requestedPixelTypes.put(i, TINYEXR_PIXELTYPE_HALF);
}
if (depthFrame != null) {
memASCII("Z", true, channelInfos.get(4).name());
requestedPixelTypes.put(4, TINYEXR_PIXELTYPE_FLOAT);
}
image.num_channels(numChannels);
image.width(width);
image.height(height);
image.images(imagePointers);
FloatBuffer[] bgrChannels = new FloatBuffer[3];
FloatBuffer[] bgrChannels = new FloatBuffer[4];
FloatBuffer depthChannel = null;
for (int i = 0; i < numChannels; i++) {
FloatBuffer channel = images.slice();
channel.position(width * height * i);
imagePointers.put(i, channel.slice());
bgrChannels[i] = channel;
if (i == 4) {
depthChannel = channel;
} else {
bgrChannels[(i + 3) % 4] = channel;
}
}
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
for (FloatBuffer channel : bgrChannels) {
channel.put(((int) bgra.get() & 0xff) / 255f);
}
bgra.get(); // alpha
}
}
if (depthFrame != null && depthChannel != null) {
depthChannel.put(depthFrame.getByteBuffer().asFloatBuffer());
}
int ret = SaveEXRImageToFile(image, header, path.toString(), err);
if (ret != TINYEXR_SUCCESS) {
@@ -97,7 +114,7 @@ public class EXRWriter implements FrameConsumer<EXRFrame> {
} finally {
memFree(images);
stackPop();
ByteBufferPool.release(bgra);
channels.values().forEach(it -> ByteBufferPool.release(it.getByteBuffer()));
}
}