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Fixed full screen blitting, blend with sky

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mcrcortex
2025-08-29 15:50:01 +10:00
parent 0d09f4c11f
commit f3fa371ef9
4 changed files with 20 additions and 6 deletions
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13
src/main/java/me/cortex/voxy/client/core/NormalRenderPipeline.java
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@@ -19,8 +19,14 @@ import java.util.function.BooleanSupplier;
import static org.lwjgl.opengl.ARBComputeShader.glDispatchCompute;
import static org.lwjgl.opengl.ARBShaderImageLoadStore.glBindImageTexture;
import static org.lwjgl.opengl.GL11.GL_BLEND;
import static org.lwjgl.opengl.GL11.GL_ONE;
import static org.lwjgl.opengl.GL11.GL_ONE_MINUS_SRC_ALPHA;
import static org.lwjgl.opengl.GL11.GL_SRC_ALPHA;
import static org.lwjgl.opengl.GL11.glEnable;
import static org.lwjgl.opengl.GL11C.GL_NEAREST;
import static org.lwjgl.opengl.GL11C.GL_RGBA8;
import static org.lwjgl.opengl.GL14.glBlendFuncSeparate;
import static org.lwjgl.opengl.GL15.GL_READ_WRITE;
import static org.lwjgl.opengl.GL30C.*;
import static org.lwjgl.opengl.GL43.GL_DEPTH_STENCIL_TEXTURE_MODE;
@@ -109,8 +115,13 @@ public class NormalRenderPipeline extends AbstractRenderPipeline {
}
glBindTextureUnit(3, this.colourSSAOTex.id);
AbstractRenderPipeline.transformBlitDepth(this.finalBlit, this.fb.getDepthTex().id, sourceFrameBuffer, viewport, new Matrix4f(viewport.vanillaProjection).mul(viewport.modelView));
//Do alpha blending
glEnable(GL_BLEND);
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
AbstractRenderPipeline.transformBlitDepth(this.finalBlit, this.fb.getDepthTex().id, sourceFrameBuffer, viewport, new Matrix4f(viewport.vanillaProjection).mul(viewport.modelView));
glDisable(GL_BLEND);
//glBlitNamedFramebuffer(this.fbSSAO.id, sourceFrameBuffer, 0,0, viewport.width, viewport.height, 0,0, viewport.width, viewport.height, GL_COLOR_BUFFER_BIT, GL_NEAREST);
}

9
src/main/java/me/cortex/voxy/client/core/rendering/post/FullscreenBlit.java
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@@ -2,11 +2,13 @@ package me.cortex.voxy.client.core.rendering.post;
import me.cortex.voxy.client.core.gl.shader.Shader;
import me.cortex.voxy.client.core.gl.shader.ShaderType;
import me.cortex.voxy.client.core.rendering.util.SharedIndexBuffer;
import java.util.function.Function;
import static org.lwjgl.opengl.GL11C.GL_TRIANGLES;
import static org.lwjgl.opengl.GL11C.glDrawArrays;
import static org.lwjgl.opengl.GL11C.*;
import static org.lwjgl.opengl.GL15C.GL_ELEMENT_ARRAY_BUFFER;
import static org.lwjgl.opengl.GL15C.glBindBuffer;
import static org.lwjgl.opengl.GL30C.glBindVertexArray;
import static org.lwjgl.opengl.GL45C.glCreateVertexArrays;
@@ -40,7 +42,8 @@ public class FullscreenBlit {
public void blit() {
glBindVertexArray(EMPTY_VAO);
this.shader.bind();
glDrawArrays(GL_TRIANGLES, 0, 6);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, SharedIndexBuffer.INSTANCE_BYTE.id());
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE, 0);
glBindVertexArray(0);
}

2
src/main/resources/assets/voxy/shaders/post/fullscreen.vert
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@@ -2,6 +2,6 @@
out vec2 UV;
void main() {
gl_Position = vec4(vec2(gl_VertexID&1, (gl_VertexID>>1)&1) * 4 - 1, 0.99999999999f, 1);
gl_Position = vec4(vec2(gl_VertexID&1, (gl_VertexID>>1)&1) * 2 - 1, 0.99999999999f, 1);
UV = gl_Position.xy*0.5+0.5;
}

2
src/main/resources/assets/voxy/shaders/post/fullscreen2.vert
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@@ -2,6 +2,6 @@
out vec2 UV;
void main() {
gl_Position = vec4(vec2(gl_VertexID&1, (gl_VertexID>>1)&1) * 4 - 1, 1.0f, 1);
gl_Position = vec4(vec2(gl_VertexID&1, (gl_VertexID>>1)&1) * 2 - 1, 1.0f, 1);
UV = gl_Position.xy*0.5+0.5;
}