Working on web version

src/render/ShadowMap.cpp

@@ -56,6 +56,22 @@ namespace ZL {
     {
         glGenFramebuffers(1, &fbo);
 
+#ifdef EMSCRIPTEN
+        glGenTextures(1, &depthTexture);
+        glBindTexture(GL_TEXTURE_2D, depthTexture);
+
+        // Используем GL_DEPTH_COMPONENT24 для WebGL 2
+        glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24,
+            resolution, resolution, 0,
+            GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL);
+
+        // ВАЖНО: Используем GL_NEAREST, так как GL_LINEAR часто ломает FBO в WebGL
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+#else
         glGenTextures(1, &depthTexture);
         glBindTexture(GL_TEXTURE_2D, depthTexture);
         glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT,
@@ -65,17 +81,24 @@ namespace ZL {
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-
+#endif
         glBindFramebuffer(GL_FRAMEBUFFER, fbo);
         glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
                                GL_TEXTURE_2D, depthTexture, 0);
 
         // No color buffer for this FBO — depth only.
+#ifdef EMSCRIPTEN
+        GLenum drawBuffers[] = { GL_NONE };
+        glDrawBuffers(1, drawBuffers);
+#else
         glDrawBuffer(GL_NONE);
         glReadBuffer(GL_NONE);
-
-        if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
-            std::cerr << "Error: Shadow map framebuffer is not complete!" << std::endl;
+#endif
+   
+        GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
+        if (status != GL_FRAMEBUFFER_COMPLETE) {
+            std::cerr << "Error: Shadow map framebuffer is not complete! Status: 0x"
+                << std::hex << status << std::endl;
         }
 
         glBindFramebuffer(GL_FRAMEBUFFER, 0);