- fixing tinydds so it writes the correct flags, so dds-ktx can view our DDS files

- upping WebGL KTX2 encoder/transcoder testbed so its max Memory64/WASM64 heap size is 15GB, so 4096x4096 textures can be encoded

encoder/3rdparty/tinydds.h

@@ -2002,23 +2002,28 @@ bool TinyDDS_WriteImage(TinyDDS_WriteCallbacks const *callbacks,
 		header.formatFourCC = TINYDDS_MAKE_RIFFCODE('D','X','1','0');
 		headerDX10.arraySize = slices;
 	}
-	header.flags = TINYDDS_DDSD_CAPS | TINYDDS_DDSD_PIXELFORMAT | TINYDDS_DDSD_MIPMAPCOUNT;
+	header.flags = TINYDDS_DDSD_CAPS | TINYDDS_DDSD_PIXELFORMAT | TINYDDS_DDSD_MIPMAPCOUNT | TINYDDS_DDSD_WIDTH | TINYDDS_DDSD_HEIGHT;
 	header.caps1 = TINYDDS_DDSCAPS_TEXTURE | TINYDDS_DDSCAPS_COMPLEX | TINYDDS_DDSCAPS_MIPMAP;
 
-	if(depth > 1) {
+	if(depth > 1) 
+	{
 		headerDX10.resourceDimension = TINYDDS_D3D10_RESOURCE_DIMENSION_TEXTURE3D;
 		header.flags |= TINYDDS_DDSD_DEPTH;
 		header.caps2 |= TINYDDS_DDSCAPS2_VOLUME;
 	}
-	else if(height > 1) {
+	else if(height > 1) 
+	{
 		headerDX10.resourceDimension = TINYDDS_D3D10_RESOURCE_DIMENSION_TEXTURE2D;
-		header.flags |= TINYDDS_DDSD_HEIGHT;
+		//header.flags |= TINYDDS_DDSD_HEIGHT;
 	}
-	else if(width > 1) {
+	else if(width > 1) 
+	{
 		headerDX10.resourceDimension = TINYDDS_D3D10_RESOURCE_DIMENSION_TEXTURE1D;
-		header.flags |= TINYDDS_DDSD_WIDTH;
+		//header.flags |= TINYDDS_DDSD_WIDTH;
 	}
-	if(cubemap) {
+
+	if(cubemap) 
+	{
 		headerDX10.miscFlag |= TINYDDS_D3D10_RESOURCE_MISC_TEXTURECUBE;
 		header.caps2 |= TINYDDS_DDSCAPS2_CUBEMAP | TINYDDS_DDSCAPS2_CUBEMAP_ALL;
 	}

example/example.cpp

@@ -999,7 +999,8 @@ bool random_compress_test()
         
         flags |= cFlagDebug;
                 
-        flags |= cFlagThreaded;
+        if (rnd.bit())
+            flags |= cFlagThreaded;
 
         if (rnd.bit())
             flags |= cFlagSRGB;
@@ -1101,7 +1102,7 @@ bool random_compress_test()
             basisu::vector<imagef> hdr_source_images;
             imagef hdr_src_img(src_img.get_width(), src_img.get_height());
             
-            const float max_y = rnd.frand(.000125f, 30000.0f) / 255.0f;
+            const float max_y = rnd.frand(.0000125f, basist::ASTC_HDR_MAX_VAL) / 255.0f;
 
             for (uint32_t y = 0; y < src_img.get_height(); y++)
             {

webgl/encoder/CMakeLists.txt

@@ -123,7 +123,7 @@ if(EMSCRIPTEN)
     endif()
 	
     if(${use_wasm64})
-      set(_lf "${_lf} ${LINK_WASM64} -s INITIAL_MEMORY=1073741824 -s MAXIMUM_MEMORY=12884901888")
+      set(_lf "${_lf} ${LINK_WASM64} -s INITIAL_MEMORY=1073741824 -s MAXIMUM_MEMORY=16106127360")
     endif()
 	
     set_target_properties(${target} PROPERTIES LINK_FLAGS "${_lf}")

webgl/ktx2_encode_test/index.html

@@ -2435,7 +2435,7 @@
 
     <br>
     <div style="font-size: 24pt; font-weight: bold">
-    Basis Universal .KTX2 Supercompressed GPU Texture Encoding/Transcoding Testbed v2.18
+    Basis Universal .KTX2 Supercompressed GPU Texture Encoding/Transcoding Testbed v2.19
     </div>
 
     <br>This simple demo uses the <a href="https://github.com/BinomialLLC/basis_universal/">Basis Universal</a> C++ transcoder (compiled to WebAssembly using Emscripten) to transcode a .ktx2 file to:
@@ -2445,7 +2445,7 @@
     Thanks to Evan Parker for providing <a href="https://github.com/toji/webgl-texture-utils">webgl-texture-utils</a> and this test bed. <a href="../index.html">Go back.</a>
     Notes: Enable your browser debug console (F12 on Chrome/Firefox) to see debug output.
     The largest image resolution that can be compressed in the browser with
-    this library is limited to either 12 megapixels or 4 megapixels (depending on format and WASM64/WASM32) to avoid running out of WASM memory.
+    this library is limited to either 16 megapixels or 4 megapixels (depending on format and WASM64/WASM32) to avoid running out of WASM memory.
 
     <br><br>
     <div id="supported-formats">

webgl/transcoder/basis_wrappers.cpp

@@ -35,8 +35,8 @@
 // 32-bit WASM limitation (TODO: remove for 64-bit), to prevent OOM crashes during HDR encoding in particular.
 // TODO: Even WASM64 in Chrome has limits which seem too low for us. For now, just impose this limit.
 #ifdef __wasm64__
-    #define BASISU_ENCODER_MAX_SOURCE_IMAGE_PIXELS (1024*1024*12)
-    #define BASISU_ENCODER_MAX_SOURCE_IMAGE_PIXELS_HIGHER_LIMIT (1024*1024*12)
+    #define BASISU_ENCODER_MAX_SOURCE_IMAGE_PIXELS (1024*1024*16)
+    #define BASISU_ENCODER_MAX_SOURCE_IMAGE_PIXELS_HIGHER_LIMIT (1024*1024*16)
 #else
     #define BASISU_ENCODER_MAX_SOURCE_IMAGE_PIXELS (1024*1024*4)
     #define BASISU_ENCODER_MAX_SOURCE_IMAGE_PIXELS_HIGHER_LIMIT (1024*1024*12)