fix Xcode concurrency code

src/node_panel_grid.cpp

@@ -251,13 +251,13 @@ void NodePanelGrid::bake_uvs()
     // bake normal
     ShaderManager::u_int(kShaderUniform::Mode, 0);
     m_hm_plane.draw_fill();
-    std::unique_ptr<float[]> data_nor(fb.readTextureDataFloat());
+    __block std::unique_ptr<float[]> data_nor(fb.readTextureDataFloat());
     //stbi_write_png("bake-nor.png", fb.getWidth(), fb.getHeight(), 4, fb.readTextureData(), 0);
     
     // bake position
     ShaderManager::u_int(kShaderUniform::Mode, 1);
     m_hm_plane.draw_fill();
-    std::unique_ptr<float[]> data_pos(fb.readTextureDataFloat());
+    __block std::unique_ptr<float[]> data_pos(fb.readTextureDataFloat());
     //stbi_write_png("bake-pos.png", fb.getWidth(), fb.getHeight(), 4, fb.readTextureData(), 0);
 
     fb.unbindFramebuffer();
@@ -280,12 +280,12 @@ void NodePanelGrid::bake_uvs()
     auto light_pos = glm::vec3(sinf(light_yaw), light_pitch + get_offset(), cosf(light_yaw));
     auto light_dir = glm::normalize(light_pos);
 
-    auto data_out = std::make_unique<uint8_t[]>(fb.getWidth() * fb.getHeight() * 4);
+    __block auto data_out = std::make_unique<uint8_t[]>(fb.getWidth() * fb.getHeight() * 4);
 #if _WIN32
     concurrency::parallel_for(int(0), fb.getHeight(), [&](int y)
 #elif __IOS__ || __OSX__
     dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
-    dispatch_apply(count, queue, ^(size_t i)
+    dispatch_apply((size_t)fb.getHeight(), queue, ^(size_t y)
 #else
     for (int y = 0; y < fb.getHeight(); y++)
 #endif

src/pch.h

@@ -36,6 +36,7 @@
     #include <sys/stat.h>
     #include <sys/types.h>
     #include <dirent.h>
+    #include <dispatch/dispatch.h>
 
 #elif __ANDROID__
 
@@ -50,6 +51,7 @@
 
     #define SHADER_VERSION "#version 300 es\n"
     #define PP_OS "android"
+    #define __block
 
 #elif _WIN32
 
@@ -70,6 +72,7 @@
 
     #define SHADER_VERSION "#version 150\n"
     #define PP_OS "win"
+    #define __block
 
 #endif
 

src/rtt.h

@@ -29,10 +29,10 @@ public:
     void unbindFramebuffer();
     void bindTexture();
     void unbindTexture();
-    GLuint getTextureID() { return texID; }
-    int getWidth() { return w; }
-    int getHeight() { return h; }
-    int bytes() { return w * h * 4; }
-    int stride() { return w * 4; }
-    GLuint getFBO() { return fboID; }
+    GLuint getTextureID() const { return texID; }
+    int getWidth() const { return w; }
+    int getHeight() const { return h; }
+    int bytes() const { return w * h * 4; }
+    int stride() const { return w * 4; }
+    GLuint getFBO() const { return fboID; }
 };