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change mirror to use framebuffer blits instead of a shader
some fixes from last upstream merge
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@fayer3
fayer3 committed Dec 11, 2024
1 parent c8f298b commit f0161de
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Showing 15 changed files with 183 additions and 238 deletions.
6 changes: 0 additions & 6 deletions common/src/main/java/org/vivecraft/client/extensions/RenderTargetExtension.java
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Original file line number Diff line number Diff line change
Expand Up @@ -35,10 +35,4 @@ public interface RenderTargetExtension {
* @return if the RenderTarget is set to use mipmaps
*/
boolean vivecraft$hasMipmaps();

/**
* Sets the color id
* @param colorid the color id to set
*/
void vivecraft$setColorid(int colorid);
}
20 changes: 15 additions & 5 deletions common/src/main/java/org/vivecraft/client_vr/VRTextureTarget.java
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Original file line number Diff line number Diff line change
Expand Up @@ -2,11 +2,13 @@

import com.mojang.blaze3d.pipeline.RenderTarget;
import com.mojang.blaze3d.platform.GlStateManager;
import com.mojang.blaze3d.platform.TextureUtil;
import com.mojang.blaze3d.systems.RenderSystem;
import net.minecraft.client.Minecraft;
import org.lwjgl.opengl.GL30;
import org.vivecraft.client.Xplat;
import org.vivecraft.client.extensions.RenderTargetExtension;
import org.vivecraft.client_vr.render.helpers.RenderHelper;

/**
* extension of a regular RenderTarget that sets Vivecraft features on creation
Expand Down Expand Up @@ -36,14 +38,22 @@ public VRTextureTarget(String name, int width, int height, boolean useDepth, int
this.setClearColor(0, 0, 0, 0);
}

public VRTextureTarget(String name, int width, int height, int colorid, int index) {
super(true);
public VRTextureTarget(String name, int width, int height, int colorId, int index) {
super(false);
this.name = name;
RenderSystem.assertOnGameThreadOrInit();
this.resize(width, height, Minecraft.ON_OSX);
((RenderTargetExtension) this).vivecraft$setColorid(colorid);
GlStateManager._glBindFramebuffer(GL30.GL_FRAMEBUFFER, frameBufferId);
GL30.glFramebufferTextureLayer(GL30.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT0, colorid, 0, index);

// free the old one when setting a new one
if (this.colorTextureId != -1) {
TextureUtil.releaseTextureId(this.colorTextureId);
}
this.colorTextureId = colorId;

GlStateManager._glBindFramebuffer(GL30.GL_FRAMEBUFFER, this.frameBufferId);
// unset the old GL_COLOR_ATTACHMENT0
GlStateManager._glFramebufferTexture2D(GL30.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT0, GL30.GL_TEXTURE_2D, 0, 0);
GL30.glFramebufferTextureLayer(GL30.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT0, colorId, 0, index);
this.setClearColor(0, 0, 0, 0);
}

Expand Down
30 changes: 19 additions & 11 deletions common/src/main/java/org/vivecraft/client_vr/provider/VRRenderer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,6 @@
import org.vivecraft.client.utils.TextUtils;
import org.vivecraft.client_vr.ClientDataHolderVR;
import org.vivecraft.client_vr.VRTextureTarget;
import org.vivecraft.client_vr.extensions.GameRendererExtension;
import org.vivecraft.client_vr.extensions.WindowExtension;
import org.vivecraft.client_vr.gameplay.screenhandlers.GuiHandler;
import org.vivecraft.client_vr.gameplay.screenhandlers.KeyboardHandler;
Expand All @@ -37,6 +36,7 @@
import org.vivecraft.client_vr.render.VRShaders;
import org.vivecraft.client_vr.render.helpers.RenderHelper;
import org.vivecraft.client_vr.settings.VRSettings;
import org.vivecraft.client_xr.render_pass.RenderPassManager;
import org.vivecraft.client_xr.render_pass.WorldRenderPass;
import org.vivecraft.mod_compat_vr.ShadersHelper;
import org.vivecraft.mod_compat_vr.resolutioncontrol.ResolutionControlHelper;
Expand All @@ -55,8 +55,7 @@ public abstract class VRRenderer {
private float lastFarClip = 0F;

// render buffers
protected int LeftEyeTextureId = -1;
protected int RightEyeTextureId = -1;
protected boolean eyeFramebuffersCreated = false;
public RenderTarget framebufferMR;
public RenderTarget framebufferUndistorted;
public RenderTarget framebufferVrRender;
Expand Down Expand Up @@ -100,7 +99,7 @@ public VRRenderer(MCVR vr) {
* @param width width of the texture
* @param height height of the texture
*/
public abstract void createRenderTexture(int width, int height) throws RenderConfigException;
public abstract void createRenderTexture(int width, int height);

/**
* gets the cached projection matrix if the farClip distance matches with the last, else gets a new one from the VR runtime
Expand Down Expand Up @@ -570,11 +569,12 @@ public void setupRenderConfiguration(boolean render) throws RenderConfigExceptio
minecraft.screen.init(minecraft, guiWidth, guiHeight);
}
}
}

//for OPENXR, it needs to reinit
this.eyeProj[0] = this.getProjectionMatrix(0, ((GameRendererExtension) minecraft.gameRenderer).vivecraft$getMinClipDistance(), lastFarClip);
this.eyeProj[1] = this.getProjectionMatrix(1, ((GameRendererExtension) minecraft.gameRenderer).vivecraft$getMinClipDistance(), lastFarClip);
RenderPassManager.INSTANCE.vanillaRenderTarget.resize(
((WindowExtension) (Object) Minecraft.getInstance().getWindow()).vivecraft$getActualScreenWidth(),
((WindowExtension) (Object) Minecraft.getInstance().getWindow()).vivecraft$getActualScreenHeight(),
Minecraft.ON_OSX);
}

if (this.reinitFrameBuffers) {
RenderHelper.checkGLError("Start Init");
Expand Down Expand Up @@ -617,7 +617,17 @@ public void setupRenderConfiguration(boolean render) throws RenderConfigExceptio

destroyBuffers();

this.createRenderTexture(eyew, eyeh);
if (!this.eyeFramebuffersCreated) {
VRSettings.LOGGER.info("Vivecraft: VR Provider supplied texture resolution: {} x {}", eyew, eyeh);
this.createRenderTexture(eyew, eyeh);

if (!this.getLastError().isEmpty()) {
throw new RenderConfigException(
Component.translatable("vivecraft.messages.renderiniterror", this.getName()),
Component.literal(this.getLastError()));
}
this.eyeFramebuffersCreated = true;
}

float resolutionScale = ResolutionControlHelper.isLoaded() ? ResolutionControlHelper.getCurrentScaleFactor() : 1.0F;

Expand Down Expand Up @@ -726,8 +736,6 @@ public void setupRenderConfiguration(boolean render) throws RenderConfigExceptio

try {
minecraft.mainRenderTarget = this.framebufferVrRender;
VRShaders.setupBlitAspect();
RenderHelper.checkGLError("init blit aspect shader");
VRShaders.setupDepthMask();
RenderHelper.checkGLError("init depth shader");
VRShaders.setupFOVReduction();
Expand Down
34 changes: 21 additions & 13 deletions common/src/main/java/org/vivecraft/client_vr/provider/nullvr/NullVRStereoRenderer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -8,9 +8,9 @@
import net.minecraft.util.Tuple;
import org.joml.Matrix4f;
import org.lwjgl.opengl.GL11;
import org.vivecraft.client_vr.VRTextureTarget;
import org.vivecraft.client_vr.provider.MCVR;
import org.vivecraft.client_vr.provider.VRRenderer;
import org.vivecraft.client_vr.render.RenderConfigException;
import org.vivecraft.client_vr.render.RenderPass;
import org.vivecraft.client_vr.render.helpers.RenderHelper;
import org.vivecraft.client_vr.settings.VRSettings;
Expand Down Expand Up @@ -43,23 +43,33 @@ protected Matrix4f getProjectionMatrix(int eyeType, float nearClip, float farCli
}

@Override
public void createRenderTexture(int lwidth, int lheight) throws RenderConfigException {
public void createRenderTexture(int lwidth, int lheight) {
int boundTextureId = GlStateManager._getInteger(GL11.GL_TEXTURE_BINDING_2D);

this.LeftEyeTextureId = GlStateManager._genTexture();
int i = GlStateManager._getInteger(GL11.GL_TEXTURE_BINDING_2D);
RenderSystem.bindTexture(this.LeftEyeTextureId);
RenderSystem.texParameter(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
RenderSystem.texParameter(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
GlStateManager._texImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA8, lwidth, lheight, 0, GL11.GL_RGBA, GL11.GL_INT, null);

RenderSystem.bindTexture(i);
this.RightEyeTextureId = GlStateManager._genTexture();
i = GlStateManager._getInteger(GL11.GL_TEXTURE_BINDING_2D);
RenderSystem.bindTexture(this.RightEyeTextureId);
RenderSystem.texParameter(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
RenderSystem.texParameter(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
GlStateManager._texImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA8, lwidth, lheight, 0, GL11.GL_RGBA, GL11.GL_INT, null);
RenderSystem.bindTexture(i);
this.lastError = RenderHelper.checkGLError("create VR textures");

this.framebufferEye0 = new VRTextureTarget("L Eye", lwidth, lheight, false, this.LeftEyeTextureId, true, false,
false);
RenderHelper.checkGLError("Left Eye framebuffer setup");

this.framebufferEye1 = new VRTextureTarget("R Eye", lwidth, lheight, false, this.RightEyeTextureId, true, false,
false);
this.lastError = RenderHelper.checkGLError("Right Eye framebuffer setup");

VRSettings.LOGGER.info("Vivecraft: {}", this.framebufferEye0);
VRSettings.LOGGER.info("Vivecraft: {}", this.framebufferEye1);

RenderSystem.bindTexture(boundTextureId);
}

@Override
Expand All @@ -72,12 +82,12 @@ public boolean providesStencilMask() {

@Override
public RenderTarget getLeftEyeTarget() {
return framebufferEye0;
return this.framebufferEye0;
}

@Override
public RenderTarget getRightEyeTarget() {
return framebufferEye1;
return this.framebufferEye1;
}


Expand All @@ -92,9 +102,8 @@ public String getName() {
}

@Override
protected void destroyBuffers() {
super.destroyBuffers();

public void destroy() {
super.destroy();
if (this.framebufferEye0 != null) {
this.framebufferEye0.destroyBuffers();
this.framebufferEye0 = null;
Expand All @@ -104,7 +113,6 @@ protected void destroyBuffers() {
this.framebufferEye1.destroyBuffers();
this.framebufferEye1 = null;
}

if (this.LeftEyeTextureId > -1) {
TextureUtil.releaseTextureId(this.LeftEyeTextureId);
this.LeftEyeTextureId = -1;
Expand Down
66 changes: 25 additions & 41 deletions common/src/main/java/org/vivecraft/client_vr/provider/openvr_lwjgl/OpenVRStereoRenderer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -36,8 +36,8 @@ public OpenVRStereoRenderer(MCOpenVR vr) {
super(vr);
this.openvr = vr;

hiddenMeshes[0] = HiddenAreaMesh.calloc();
hiddenMeshes[1] = HiddenAreaMesh.calloc();
this.hiddenMeshes[0] = HiddenAreaMesh.calloc();
this.hiddenMeshes[1] = HiddenAreaMesh.calloc();
}

@Override
Expand Down Expand Up @@ -93,7 +93,7 @@ protected Matrix4f getProjectionMatrix(int eyeType, float nearClip, float farCli
}

@Override
public void createRenderTexture(int width, int height) throws RenderConfigException {
public void createRenderTexture(int width, int height) {
int boundTextureId = GlStateManager._getInteger(GL11C.GL_TEXTURE_BINDING_2D);
// generate left eye texture
this.LeftEyeTextureId = GlStateManager._genTexture();
Expand All @@ -115,30 +115,19 @@ public void createRenderTexture(int width, int height) throws RenderConfigExcept
this.openvr.texType1.eColorSpace(VR.EColorSpace_ColorSpace_Gamma);
this.openvr.texType1.eType(VR.ETextureType_TextureType_OpenGL);

if (this.LeftEyeTextureId == -1) {
throw new RenderConfigException(
Component.translatable("vivecraft.messages.renderiniterror", this.getName()),
Component.literal(this.getLastError()));
}
this.framebufferEye0 = new VRTextureTarget("L Eye", width, height, false, this.LeftEyeTextureId, true, false,
false);
RenderHelper.checkGLError("Left Eye framebuffer setup");

VRSettings.LOGGER.info("Vivecraft: VR Provider supplied render texture IDs: {}, {}", this.LeftEyeTextureId, this.RightEyeTextureId);
VRSettings.LOGGER.info("Vivecraft: VR Provider supplied texture resolution: {} x {}", width, height);
this.framebufferEye1 = new VRTextureTarget("R Eye", width, height, false, this.RightEyeTextureId, true, false,
false);

RenderHelper.checkGLError("Render Texture setup");
this.lastError = RenderHelper.checkGLError("Right Eye framebuffer setup");

if (this.framebufferEye0 == null) {
this.framebufferEye0 = new VRTextureTarget("L Eye", width, height, false, this.LeftEyeTextureId, false, true, false);
VRSettings.LOGGER.info("Vivecraft: {}", this.framebufferEye0);
RenderHelper.checkGLError("Left Eye framebuffer setup");
}
VRSettings.LOGGER.info("Vivecraft: {}", this.framebufferEye0);
VRSettings.LOGGER.info("Vivecraft: {}", this.framebufferEye1);

if (this.framebufferEye1 == null) {
this.framebufferEye1 = new VRTextureTarget("R Eye", width, height, false, this.RightEyeTextureId, false, true, false);
VRSettings.LOGGER.info("Vivecraft: {}", this.framebufferEye1);
RenderHelper.checkGLError("Right Eye framebuffer setup");
}
RenderSystem.bindTexture(boundTextureId);
this.lastError = RenderHelper.checkGLError("create VR textures");
}

@Override
Expand Down Expand Up @@ -184,12 +173,12 @@ public boolean providesStencilMask() {

@Override
public RenderTarget getLeftEyeTarget() {
return framebufferEye0;
return this.framebufferEye0;
}

@Override
public RenderTarget getRightEyeTarget() {
return framebufferEye1;
return this.framebufferEye1;
}

public float[] getStencilMask(RenderPass eye) {
Expand All @@ -205,17 +194,19 @@ public String getName() {
}

@Override
protected void destroyBuffers() {
super.destroyBuffers();
if (this.framebufferEye0 != null) {
this.framebufferEye0.destroyBuffers();
this.framebufferEye0 = null;
}
public void destroy() {
super.destroy();
this.hiddenMeshes[0].free();
this.hiddenMeshes[1].free();
if (this.framebufferEye0 != null) {
this.framebufferEye0.destroyBuffers();
this.framebufferEye0 = null;
}

if (this.framebufferEye1 != null) {
this.framebufferEye1.destroyBuffers();
this.framebufferEye1 = null;
}
if (this.framebufferEye1 != null) {
this.framebufferEye1.destroyBuffers();
this.framebufferEye1 = null;
}
if (this.LeftEyeTextureId > -1) {
TextureUtil.releaseTextureId(this.LeftEyeTextureId);
this.LeftEyeTextureId = -1;
Expand All @@ -226,11 +217,4 @@ protected void destroyBuffers() {
this.RightEyeTextureId = -1;
}
}

@Override
public void destroy() {
super.destroy();
this.hiddenMeshes[0].free();
this.hiddenMeshes[1].free();
}
}
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