VulkanShader_1.21.10-0.0.4-alpha.jar

• VulkanShader_1.21.10-0.0.4-alpha.jar
• net
• vulkanmod
• gl
• GlUtil.java

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    package net.vulkanmod.gl;

import java.nio.ByteBuffer;
import net.vulkanmod.vulkan.Vulkan;
import net.vulkanmod.vulkan.shader.SPIRVUtils;
import org.apache.commons.lang3.Validate;
import org.lwjgl.system.MemoryUtil;

public abstract class GlUtil {
   public static SPIRVUtils.ShaderKind extToShaderKind(String ext) {
      SPIRVUtils.ShaderKind var10000;
      switch (ext) {
         case ".vsh" -> var10000 = SPIRVUtils.ShaderKind.VERTEX_SHADER;
         case ".fsh" -> var10000 = SPIRVUtils.ShaderKind.FRAGMENT_SHADER;
         default -> throw new RuntimeException("unknown shader type: " + ext);
      }

      return var10000;
   }

   public static ByteBuffer RGBtoRGBA_buffer(ByteBuffer in) {
      Validate.isTrue(in.remaining() % 3 == 0, "Unexpected buffer stride", new Object[0]);
      int outSize = in.remaining() * 4 / 3;
      ByteBuffer out = MemoryUtil.memAlloc(outSize);
      int j = 0;

      for(int i = 0; i < outSize; j += 3) {
         out.put(i, in.get(j));
         out.put(i + 1, in.get(j + 1));
         out.put(i + 2, in.get(j + 2));
         out.put(i + 3, (byte)-1);
         i += 4;
      }

      return out;
   }

   public static ByteBuffer BGRAtoRGBA_buffer(ByteBuffer in) {
      Validate.isTrue(in.remaining() % 4 == 0, "Unexpected buffer stride", new Object[0]);
      int outSize = in.remaining();
      ByteBuffer out = MemoryUtil.memAlloc(outSize);
      long ptr = MemoryUtil.memAddress0(out);
      long srcPtr = MemoryUtil.memAddress0(in);

      for(int i = 0; i < outSize; i += 4) {
         int color = MemoryUtil.memGetInt(srcPtr + (long)i);
         color = color << 24 & -16777216 | color >> 8 & 16777215;
         MemoryUtil.memPutInt(ptr + (long)i, color);
      }

      return out;
   }

   public static int vulkanFormat(int glFormat, int type) {
      int var10000;
      switch (glFormat) {
         case 6402:
         case 33190:
         case 33191:
         case 36012:
            var10000 = Vulkan.getDefaultDepthFormat();
            return var10000;
         case 6403:
            switch (type) {
               case 5121:
                  var10000 = 9;
                  return var10000;
               default:
                  throw new IllegalStateException("Unexpected type: " + type);
            }
         case 6408:
         case 32856:
            switch (type) {
               case 5120:
                  var10000 = 37;
                  return var10000;
               case 5121:
                  var10000 = 37;
                  return var10000;
               case 32821:
               case 33639:
                  var10000 = 37;
                  return var10000;
               default:
                  throw new IllegalStateException("Unexpected type: " + type);
            }
         case 32993:
            switch (type) {
               case 5120:
                  var10000 = 44;
                  return var10000;
               case 5121:
                  var10000 = 44;
                  return var10000;
               case 32821:
               case 33639:
                  var10000 = 44;
                  return var10000;
               default:
                  throw new IllegalStateException("Unexpected type: " + type);
            }
         case 33639:
            switch (type) {
               case 5120:
                  var10000 = 37;
                  return var10000;
               case 5121:
                  var10000 = 41;
                  return var10000;
               default:
                  throw new IllegalStateException("Unexpected type: " + type);
            }
         default:
            throw new IllegalStateException("Unexpected format: " + glFormat);
      }
   }

   public static int vulkanFormat(int glInternalFormat) {
      int var10000;
      switch (glInternalFormat) {
         case 6402:
         case 33190:
         case 36012:
            var10000 = Vulkan.getDefaultDepthFormat();
            break;
         case 33639:
            var10000 = 41;
            break;
         default:
            throw new IllegalStateException("Unexpected value: " + glInternalFormat);
      }

      return var10000;
   }

   public static int getGlFormat(int vFormat) {
      char var10000;
      switch (vFormat) {
         case 9 -> var10000 = 6403;
         case 16 -> var10000 = '舧';
         case 37 -> var10000 = 6408;
         case 44 -> var10000 = '胡';
         default -> throw new IllegalStateException("Unexpected value: " + vFormat);
      }

      return var10000;
   }
}
    

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