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Better spheres and framebuffer compat layer

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This commit is contained in:
JozsefA 2021-04-17 18:55:29 -07:00
parent 128a2c2e06
commit a6248daf7e
4 changed files with 124 additions and 20 deletions
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20
src/main/java/com/simibubi/create/foundation/render/backend/effects/EffectsHandler.java
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@ -1,5 +1,6 @@
package com.simibubi.create.foundation.render.backend.effects;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL15;
import org.lwjgl.opengl.GL20;
import org.lwjgl.opengl.GL30;
@ -87,8 +88,8 @@ public class EffectsHandler {
Framebuffer mainBuffer = Minecraft.getInstance().getFramebuffer();
GL30.glBindFramebuffer(FramebufferConstants.FRAME_BUFFER, framebuffer.framebufferObject);
GL30.glClear(GL30.GL_COLOR_BUFFER_BIT);
Backend.compat.fbo.bindFramebuffer(FramebufferConstants.FRAME_BUFFER, framebuffer.framebufferObject);
GL11.glClear(GL30.GL_COLOR_BUFFER_BIT);
SphereFilterProgram program = Backend.getProgram(AllProgramSpecs.CHROMATIC);
program.bind();
@ -106,7 +107,7 @@ public class EffectsHandler {
inverseView.invert();
program.bindInverseView(inverseView);
Vector3d pos1 = new Vector3d(852, 79, -204);
Vector3d pos1 = new Vector3d(865.5, 79, -240.5);
Vector3d cameraPos = gameRenderer.getActiveRenderInfo().getProjectedView();
program.setCameraPos(cameraPos.inverse());
@ -126,8 +127,9 @@ public class EffectsHandler {
program.addSphere(new SphereFilterProgram.FilterSphere()
.setCenter(pos1.subtract(cameraPos))
.setRadius(40)
.setFeather(20f)
.setRadius(10f)
.setFeather(3f)
.setFade(1.5f)
.setHsv(false)
.setFilter(filter));
@ -147,10 +149,10 @@ public class EffectsHandler {
program.clear();
program.unbind();
GL30.glBindFramebuffer(GL30.GL_READ_FRAMEBUFFER, framebuffer.framebufferObject);
GL30.glBindFramebuffer(GL30.GL_DRAW_FRAMEBUFFER, mainBuffer.framebufferObject);
GL30.glBlitFramebuffer(0, 0, mainBuffer.framebufferWidth, mainBuffer.framebufferHeight, 0, 0, mainBuffer.framebufferWidth, mainBuffer.framebufferHeight, GL30.GL_COLOR_BUFFER_BIT, GL20.GL_LINEAR);
GL30.glBindFramebuffer(FramebufferConstants.FRAME_BUFFER, mainBuffer.framebufferObject);
Backend.compat.fbo.bindFramebuffer(GL30.GL_READ_FRAMEBUFFER, framebuffer.framebufferObject);
Backend.compat.fbo.bindFramebuffer(GL30.GL_DRAW_FRAMEBUFFER, mainBuffer.framebufferObject);
Backend.compat.blit.blitFramebuffer(0, 0, mainBuffer.framebufferWidth, mainBuffer.framebufferHeight, 0, 0, mainBuffer.framebufferWidth, mainBuffer.framebufferHeight, GL30.GL_COLOR_BUFFER_BIT, GL20.GL_LINEAR);
Backend.compat.fbo.bindFramebuffer(FramebufferConstants.FRAME_BUFFER, mainBuffer.framebufferObject);
}
public void delete() {

45
src/main/java/com/simibubi/create/foundation/render/backend/gl/versioned/framebuffer/Blit.java Normal file
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@ -0,0 +1,45 @@
package com.simibubi.create.foundation.render.backend.gl.versioned.framebuffer;
import org.lwjgl.opengl.EXTFramebufferBlit;
import org.lwjgl.opengl.GL30;
import org.lwjgl.opengl.GLCapabilities;
import com.simibubi.create.foundation.render.backend.gl.versioned.GlVersioned;
public enum Blit implements GlVersioned {
CORE {
@Override
public boolean supported(GLCapabilities caps) {
return caps.OpenGL30;
}
@Override
public void blitFramebuffer(int srcX0, int srcY0, int srcX1, int srcY1, int dstX0, int dstY0, int dstX1, int dstY1, int mask, int filter) {
GL30.glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
}
},
EXT {
@Override
public boolean supported(GLCapabilities caps) {
return caps.GL_EXT_framebuffer_blit;
}
@Override
public void blitFramebuffer(int srcX0, int srcY0, int srcX1, int srcY1, int dstX0, int dstY0, int dstX1, int dstY1, int mask, int filter) {
EXTFramebufferBlit.glBlitFramebufferEXT(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
}
},
UNSUPPORTED {
@Override
public boolean supported(GLCapabilities caps) {
return true;
}
@Override
public void blitFramebuffer(int srcX0, int srcY0, int srcX1, int srcY1, int dstX0, int dstY0, int dstX1, int dstY1, int mask, int filter) {
throw new UnsupportedOperationException("Framebuffer blitting not supported.");
}
};
public abstract void blitFramebuffer(int srcX0, int srcY0, int srcX1, int srcY1, int dstX0, int dstY0, int dstX1, int dstY1, int mask, int filter);
}

57
src/main/java/com/simibubi/create/foundation/render/backend/gl/versioned/framebuffer/Framebuffer.java Normal file
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@ -0,0 +1,57 @@
package com.simibubi.create.foundation.render.backend.gl.versioned.framebuffer;
import org.lwjgl.opengl.ARBFramebufferObject;
import org.lwjgl.opengl.EXTFramebufferObject;
import org.lwjgl.opengl.GL30C;
import org.lwjgl.opengl.GLCapabilities;
import com.simibubi.create.foundation.render.backend.gl.versioned.GlVersioned;
public enum Framebuffer implements GlVersioned {
CORE {
@Override
public boolean supported(GLCapabilities caps) {
return caps.OpenGL30;
}
@Override
public void bindFramebuffer(int target, int framebuffer) {
GL30C.glBindFramebuffer(target, framebuffer);
}
},
ARB {
@Override
public boolean supported(GLCapabilities caps) {
return caps.GL_ARB_framebuffer_object;
}
@Override
public void bindFramebuffer(int target, int framebuffer) {
ARBFramebufferObject.glBindFramebuffer(target, framebuffer);
}
},
EXT {
@Override
public boolean supported(GLCapabilities caps) {
return caps.GL_EXT_framebuffer_object;
}
@Override
public void bindFramebuffer(int target, int framebuffer) {
EXTFramebufferObject.glBindFramebufferEXT(target, framebuffer);
}
},
UNSUPPORTED {
@Override
public boolean supported(GLCapabilities caps) {
return true;
}
@Override
public void bindFramebuffer(int target, int framebuffer) {
throw new UnsupportedOperationException("Framebuffers not supported");
}
};
public abstract void bindFramebuffer(int target, int framebuffer);
}

22
src/main/resources/assets/create/flywheel/shaders/area_effect.frag
View file

@ -16,7 +16,7 @@ uniform vec3 uCameraPos;
struct SphereFilter {
vec4 sphere;// <vec3 position, float radius>
vec3 data;// <float feather, float strength, float hsv marker>
vec4 data;// <float feather, float fade, float strength, float hsv marker>
mat4 colorOp;
};
@ -49,9 +49,9 @@ float overlayFilterAmount(in vec3 worldPos, in vec4 sphere, in float feather) {
return 1 - smoothstep(sphere.w, sphere.w + feather, distance);
}
float sphereFilterAmount(in vec3 worldDir, in float depth, in vec4 sphere, in float feather) {
float feathering = 1 - smoothstep(sphere.w, sphere.w + feather, length(sphere.xyz));
feathering += overlayFilterAmount(worldDir * depth, sphere, feather);
float sphereFilterAmount(in vec3 worldDir, in float depth, in vec4 sphere, in vec4 data) {
float feathering = 1 - smoothstep(sphere.w + data.x, sphere.w + data.x + data.y, length(sphere.xyz));
feathering += overlayFilterAmount(worldDir * depth, sphere, data.x);
vec3 oc = -sphere.xyz;
float rayLengthSqr = dot(worldDir, worldDir);
@ -61,7 +61,7 @@ float sphereFilterAmount(in vec3 worldDir, in float depth, in vec4 sphere, in fl
float d = 4. * rayLengthSqr;
float e = 1. / (2.0*rayLengthSqr);
float radius = sphere.w;
float radius = sphere.w + data.x;
float c = sphereDistSqr - radius*radius;
float discriminant = b2 - d * c;
float hitDepth = (-b - sqrt(discriminant)) * e;
@ -75,8 +75,8 @@ float sphereFilterAmount(in vec3 worldDir, in float depth, in vec4 sphere, in fl
vec3 hitPos = worldDir * hitDepth;
vec3 normal = normalize(hitPos - sphere.xyz);
return feathering - dot(normal, normalize(worldDir)) * 1.3 - 0.1;
float normalDot = dot(normal, normalize(worldDir));
return feathering + normalDot * normalDot;
} else {
return feathering;
}
@ -92,17 +92,17 @@ vec3 applyFilters(in vec3 worldDir, in float depth, in vec3 diffuse) {
SphereFilter s = uSpheres[i];
//float strength = overlayFilterAmount(worldPos, s.sphere, s.data.x);
float strength = sphereFilterAmount(worldDir, depth, s.sphere, s.data.x);
float strength = sphereFilterAmount(worldDir, depth, s.sphere, s.data);
//accum = vec3(strength, strength, strength);
vec3 toFilter = mix(diffuse, diffuseHSV, s.data.z);
vec3 toFilter = mix(diffuse, diffuseHSV, s.data.w);
vec3 filtered = filterColor(s.colorOp, diffuse);
filtered = mix(filtered, hsv2rgbWrapped(filtered), s.data.z);
filtered = mix(filtered, hsv2rgbWrapped(filtered), s.data.w);
accum = mix(accum, filtered, clamp(strength * s.data.y, 0., 1.));
accum = mix(accum, filtered, clamp(strength * s.data.z, 0., 1.));
}
return accum;