attempted taa support

src/main/java/me/cortex/voxy/client/core/AbstractRenderPipeline.java

@@ -200,6 +200,11 @@ public abstract class AbstractRenderPipeline extends TrackedObject {
     public abstract void setupAndBindTranslucent(Viewport<?> viewport);
 
 
+    //null means no function, otherwise return the taa injection function
+    public String taaFunction(AbstractSectionRenderer<?,?> renderer, String functionName) {
+        return null;
+    }
+
     //null means dont transform the shader
     public String patchOpaqueShader(AbstractSectionRenderer<?,?> renderer, String input) {
         return null;

src/main/java/me/cortex/voxy/client/core/IrisVoxyRenderPipeline.java

@@ -172,12 +172,13 @@ public class IrisVoxyRenderPipeline extends AbstractRenderPipeline {
         super.addDebug(debug);
     }
 
+    private static final int UNIFORM_BINDING_POINT = 5;//TODO make ths binding point... not randomly 5
+
     private StringBuilder buildGenericShaderHeader(AbstractSectionRenderer<?, ?> renderer, String input) {
         StringBuilder builder = new StringBuilder(input).append("\n\n\n");
 
         if (this.data.getUniforms() != null) {
-            //TODO make ths binding point... not randomly 5
-            builder.append("layout(binding = 5, std140) uniform ShaderUniformBindings ")
+            builder.append("layout(binding = "+UNIFORM_BINDING_POINT+", std140) uniform ShaderUniformBindings ")
                     .append(this.data.getUniforms().layout())
                     .append(";\n\n");
         }
@@ -195,6 +196,8 @@ public class IrisVoxyRenderPipeline extends AbstractRenderPipeline {
         return builder.append("\n\n");
     }
 
+
+
     @Override
     public String patchOpaqueShader(AbstractSectionRenderer<?, ?> renderer, String input) {
         var builder = this.buildGenericShaderHeader(renderer, input);
@@ -212,4 +215,20 @@ public class IrisVoxyRenderPipeline extends AbstractRenderPipeline {
         builder.append(this.data.translucentFragPatch());
         return builder.toString();
     }
+
+    @Override
+    public String taaFunction(AbstractSectionRenderer<?, ?> renderer, String functionName) {
+        var builder = new StringBuilder();
+
+        if (this.data.getUniforms() != null) {
+            builder.append("layout(binding = "+UNIFORM_BINDING_POINT+", std140) uniform ShaderUniformBindings ")
+                    .append(this.data.getUniforms().layout())
+                    .append(";\n\n");
+        }
+
+        builder.append("vec2 ").append(functionName).append("()\n");
+        builder.append(this.data.getTAAOffset());
+        builder.append("\n");
+        return builder.toString();
+    }
 }

src/main/java/me/cortex/voxy/client/core/model/bakery/ModelTextureBakery.java

@@ -72,7 +72,7 @@ public class ModelTextureBakery {
                 var quads = part.getQuads(direction);
                 for (var quad : quads) {
                     //TODO: add meta specifiying quad has a tint
-
+                    //quad.hasTint()
                     this.vc.quad(quad, meta);
                 }
             }

src/main/java/me/cortex/voxy/client/core/rendering/section/MDICSectionRenderer.java

@@ -93,9 +93,16 @@ public class MDICSectionRenderer extends AbstractSectionRenderer<MDICViewport, B
         super(modelStore, geometryData);
         this.pipeline = pipeline;
         //The pipeline can be used to transform the renderer in abstract ways
+
+        String vertex = ShaderLoader.parse("voxy:lod/gl46/quads2.vert");
+        String taa = pipeline.taaFunction(this, "taaShift");
+        if (taa != null) {
+            vertex += "\n"+taa;//inject it at the end
+        }
         var builder = Shader.make()
+                .defineIf("TAA_PATCH", taa != null)
                 .defineIf("DEBUG_RENDER", false)
-                .add(ShaderType.VERTEX, "voxy:lod/gl46/quads2.vert");
+                .addSource(ShaderType.VERTEX, vertex);
 
         String frag = ShaderLoader.parse("voxy:lod/gl46/quads.frag");
 

src/main/java/me/cortex/voxy/client/iris/IrisShaderPatch.java

@@ -154,6 +154,7 @@ public class IrisShaderPatch {
         public Int2ObjectOpenHashMap<String> ssbos;
         @JsonAdapter(BlendStateDeserializer.class)
         public Int2ObjectOpenHashMap<BlendState> blending;
+        public String taaOffset;
         public boolean excludeLodsFromVanillaDepth;
         public boolean checkValid() {
             return this.opaqueDrawBuffers != null && this.translucentDrawBuffers != null && this.uniforms != null && this.opaquePatchData != null;
@@ -185,6 +186,9 @@ public class IrisShaderPatch {
     public String getPatchTranslucentSource() {
         return this.patchData.translucentPatchData!=null?String.join("\n", this.patchData.translucentPatchData):null;
     }
+    public String getTAAShift() {
+        return this.patchData.taaOffset == null?"{return vec2(0.0);}":this.patchData.taaOffset;
+    }
     public String[] getUniformList() {
         return this.patchData.uniforms;
     }

src/main/java/me/cortex/voxy/client/iris/IrisVoxyRenderPipelineData.java

@@ -47,6 +47,7 @@ public class IrisVoxyRenderPipelineData {
     private final ImageSet imageSet;
     private final SSBOSet ssboSet;
     public final boolean renderToVanillaDepth;
+    private final String TAA;
     private IrisVoxyRenderPipelineData(IrisShaderPatch patch, int[] opaqueDrawTargets, int[] translucentDrawTargets, StructLayout uniformSet, Runnable blendingSetup, ImageSet imageSet, SSBOSet ssboSet) {
         this.opaqueDrawTargets = opaqueDrawTargets;
         this.translucentDrawTargets = translucentDrawTargets;
@@ -57,6 +58,7 @@ public class IrisVoxyRenderPipelineData {
         this.imageSet = imageSet;
         this.ssboSet = ssboSet;
         this.renderToVanillaDepth = patch.emitToVanillaDepth();
+        this.TAA = patch.getTAAShift();
     }
 
     public SSBOSet getSsboSet() {
@@ -107,6 +109,10 @@ public class IrisVoxyRenderPipelineData {
         return targetTextures;
     }
 
+    public String getTAAOffset() {
+        return this.TAA;
+    }
+
     public record StructLayout(int size, String layout, LongConsumer updater) {}
     private static StructLayout createUniformLayoutStructAndUpdater(CachedUniform[] uniforms) {
         if (uniforms.length == 0) {

src/main/resources/assets/voxy/shaders/lod/gl46/quads2.vert

@@ -80,6 +80,8 @@ ivec3 extractLoDPosition(uvec2 encPos) {
 }
 
 
+vec2 taaShift();
+
 //TODO: add a mechanism so that some quads can ignore backface culling
 // this would help alot with stuff like crops as they would look kinda weird i think,
 // same with flowers etc
@@ -116,6 +118,9 @@ void main() {
     vec3 pointPos = (cornerPos+swizzelDataAxis(face>>1,vec3(cQuadSize,0)))*(1<<lodLevel)+origin;
     gl_Position = MVP*vec4(pointPos, 1.0);
 
+    //Apply taa shift
+    gl_Position.xy *= taaShift()*gl_Position.w;
+
 
 
     if (cornerIdx == 1) //Only if we are the provoking vertex
@@ -183,3 +188,7 @@ void main() {
     quadDebug = lodLevel;
     #endif
 }
+
+#ifndef TAA_PATCH
+vec2 taaShift() {return vec2(0.0);}
+#endif