From cdde9d36e0507d88eac4d418efd0e1557a61f161 Mon Sep 17 00:00:00 2001
From: Mark Callow <github@callow.im>
Date: Mon, 5 Aug 2024 17:32:38 +0900
Subject: [PATCH] Fix Emscripten build in absence of assimp headers.

---
 .../glloadtests/shader-based/EncodeTexture.h        |  2 ++
 .../glloadtests/shader-based/GL3LoadTestSample.cpp  | 13 +++++++++++++
 tests/loadtests/glloadtests/utils/GLMeshLoader.hpp  |  7 +++++++
 3 files changed, 22 insertions(+)

diff --git a/tests/loadtests/glloadtests/shader-based/EncodeTexture.h b/tests/loadtests/glloadtests/shader-based/EncodeTexture.h
index 545f55b360..55acd0092a 100644
--- a/tests/loadtests/glloadtests/shader-based/EncodeTexture.h
+++ b/tests/loadtests/glloadtests/shader-based/EncodeTexture.h
@@ -18,6 +18,8 @@
 
 #include "GL3LoadTestSample.h"
 
+#include <iostream>
+
 class EncodeTexture : public GL3LoadTestSample {
   public:
     EncodeTexture(uint32_t width, uint32_t height,
diff --git a/tests/loadtests/glloadtests/shader-based/GL3LoadTestSample.cpp b/tests/loadtests/glloadtests/shader-based/GL3LoadTestSample.cpp
index ac86ee3aa9..a96ae4e55a 100644
--- a/tests/loadtests/glloadtests/shader-based/GL3LoadTestSample.cpp
+++ b/tests/loadtests/glloadtests/shader-based/GL3LoadTestSample.cpp
@@ -241,12 +241,14 @@ GL3LoadTestSample::framebufferColorEncoding()
     return encoding;
 }
 
+#if !defined(__EMSCRIPTEN__)
 void
 GL3LoadTestSample::loadMesh(std::string filename,
                             glMeshLoader::MeshBuffer& meshBuffer,
                             std::vector<glMeshLoader::VertexLayout> vertexLayout,
                             float scale)
 {
+// Emscripten assimp port not yet available.
     GLMeshLoader *mesh = new GLMeshLoader();
 
     mesh->LoadMesh(filename);
@@ -262,4 +264,15 @@ GL3LoadTestSample::loadMesh(std::string filename,
 
     delete(mesh);
 }
+#else
+void
+GL3LoadTestSample::loadMesh(std::string,
+                            glMeshLoader::MeshBuffer&,
+                            std::vector<glMeshLoader::VertexLayout>,
+                            float)
+{
+}
+#endif
+
+
 
diff --git a/tests/loadtests/glloadtests/utils/GLMeshLoader.hpp b/tests/loadtests/glloadtests/utils/GLMeshLoader.hpp
index 07ad30ac7f..1b6c4ee942 100644
--- a/tests/loadtests/glloadtests/utils/GLMeshLoader.hpp
+++ b/tests/loadtests/glloadtests/utils/GLMeshLoader.hpp
@@ -21,9 +21,12 @@
 #else
 #endif
 
+// Emscripten assimp port not yet available.
+#if !defined(__EMSCRIPTEN__)
 #include <assimp/Importer.hpp>
 #include <assimp/scene.h>
 #include <assimp/postprocess.h>
+#endif
 
 #include "disable_glm_warnings.h"
 #include <glm/glm.hpp>
@@ -88,6 +91,7 @@ namespace glMeshLoader
         }
     };
 
+#if !defined(__EMSCRIPTEN__)
     // Get vertex size from vertex layout
     static uint32_t vertexSize(std::vector<glMeshLoader::VertexLayout> layout)
     {
@@ -106,8 +110,10 @@ namespace glMeshLoader
         }
         return vSize;
     }
+#endif
 }
 
+#if !defined(__EMSCRIPTEN__)
 // Simple mesh class for getting all the necessary stuff from models
 // loaded via ASSIMP.
 class GLMeshLoader {
@@ -506,4 +512,5 @@ class GLMeshLoader {
         glBindVertexArray(0);
     }
 };
+#endif // !defined(__EMSCRIPTEN__)