Working on web version

src/render/OpenGlExtensions.cpp

@@ -329,6 +329,16 @@ namespace ZL {
 		size_t error = glGetError();
 		if (error != GL_NO_ERROR)
 		{
+			std::cout << "OpenGL error: " << error << std::endl;
+			throw std::runtime_error("Gl error");
+		}
+	}
+	void CheckGlError(const char* file, int line)
+	{
+		size_t error = glGetError();
+		if (error != GL_NO_ERROR)
+		{
+			std::cout << "OpenGL error: " << error << " happened in file: " << file << " at line: " << line << std::endl;
 			throw std::runtime_error("Gl error");
 		}
 	}

src/render/OpenGlExtensions.h

@@ -161,4 +161,6 @@ namespace ZL {
 	bool BindOpenGlFunctions();
 
 	void CheckGlError();
+
+    void CheckGlError(const char* file, int line);
 }

src/render/Renderer.cpp

@@ -536,7 +536,7 @@ namespace ZL {
 		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 		glDepthFunc(GL_LEQUAL);
 
-		CheckGlError();
+		CheckGlError(__FILE__, __LINE__);
 	}
 
 	void Renderer::PushProjectionMatrix(float width, float height, float zNear, float zFar)

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);

src/render/TextRenderer.cpp

@@ -54,13 +54,13 @@ bool TextRenderer::init(Renderer& renderer, const std::string& ttfPath, int pixe
         zipfilename
     );
 #endif
-    ZL::CheckGlError();
+    ZL::CheckGlError(__FILE__, __LINE__);
     if (!loadGlyphs(ttfPath, pixelSize, zipfilename)) return false;
-    ZL::CheckGlError();
+    ZL::CheckGlError(__FILE__, __LINE__);
 
     textMesh.data.PositionData.resize(6, Eigen::Vector3f(0, 0, 0));
     textMesh.RefreshVBO();
-    ZL::CheckGlError();
+    ZL::CheckGlError(__FILE__, __LINE__);
     return true;
 }
 

src/render/TextureManager.cpp

@@ -54,7 +54,7 @@ namespace ZL
 		glTexImage2D(GL_TEXTURE_2D, 0, internalFormat,
 			static_cast<GLsizei>(width), static_cast<GLsizei>(height),
 			0, externalFormat, GL_UNSIGNED_BYTE, texData.data.data());
-		CheckGlError();
+		CheckGlError(__FILE__, __LINE__);
 
 		// 3. Фильтрация и Мип-мапы
 		// ВНИМАНИЕ: Для шрифтов (NPOT) в WebGL glGenerateMipmap работать НЕ будет!
@@ -67,7 +67,7 @@ namespace ZL
 		}
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 
-		CheckGlError();
+		CheckGlError(__FILE__, __LINE__);
 		glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
 	}
 
@@ -91,7 +91,7 @@ namespace ZL
 
 		glBindTexture(GL_TEXTURE_CUBE_MAP, texID);
 
-		CheckGlError();
+		CheckGlError(__FILE__, __LINE__);
 
 
 		glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
@@ -106,7 +106,7 @@ namespace ZL
 #endif
 #endif
 
-		CheckGlError(); 
+		CheckGlError(__FILE__, __LINE__); 
 		
 		for (int i = 0; i < 6; ++i)
 		{
@@ -136,7 +136,7 @@ namespace ZL
 				GL_UNSIGNED_BYTE,                 
 				texDataArray[i].data.data()  
 			);
-			CheckGlError();
+			CheckGlError(__FILE__, __LINE__);
 		}
 
 		glBindTexture(GL_TEXTURE_CUBE_MAP, 0);