small rendering info display

docs/src/progress/currenttarget.md

@@ -39,6 +39,7 @@
 + bug fixes
   Fix light cluster mapping for foliage shader
   Fix ui elements not storing default discrete world size on level editor menu
+  Fix static friction coeff causing player to slide on shallow slopes
   Fix skeleton right strafe
   Fix block tree preventing initiating an attack
   Fix return to title menu synchronization bug

docs/src/progress/renderertodo.md

@@ -805,6 +805,8 @@ Work on clustered lighting
 
 (09/19/2024)
 Cluster lighting completed
+ClientPointLightComponent
+Small rendering info display
 
 
 # TODO

src/main/java/electrosphere/client/ui/menu/debug/ImGuiRenderer.java

@@ -31,17 +31,25 @@ public class ImGuiRenderer {
         rendererWindow.setCallback(new ImGuiWindowCallback() {
             @Override
             public void exec() {
-                if(ImGui.collapsingHeader("Shadow Map Pipeline")){
-                    ShadowMapPipeline shadowMapPipeline = Globals.renderingEngine.getShadowMapPipeline();
-                    if(ImGui.sliderFloat("Far Plane Distance", farPlaneArr, 1, 100)){
-                        shadowMapPipeline.setFarPlane(farPlaneArr[0]);
+                if(ImGui.collapsingHeader("Pipelines")){
+                    ImGui.indent();
+                    if(ImGui.collapsingHeader("Shadow Map Pipeline")){
+                        ShadowMapPipeline shadowMapPipeline = Globals.renderingEngine.getShadowMapPipeline();
+                        if(ImGui.sliderFloat("Far Plane Distance", farPlaneArr, 1, 100)){
+                            shadowMapPipeline.setFarPlane(farPlaneArr[0]);
+                        }
                     }
+                    if(ImGui.collapsingHeader("Post Processing Pipeline")){
+                        PostProcessingPipeline postProcessingPipeline = Globals.renderingEngine.getPostProcessingPipeline();
+                        if(ImGui.button("Toggle Blur")){
+                            postProcessingPipeline.setApplyBlur(!postProcessingPipeline.isApplyingBlur());
+                        }
+                    }
+                    ImGui.unindent();
                 }
-                if(ImGui.collapsingHeader("Post Processing Pipeline")){
-                    PostProcessingPipeline postProcessingPipeline = Globals.renderingEngine.getPostProcessingPipeline();
-                    if(ImGui.button("Toggle Blur")){
-                        postProcessingPipeline.setApplyBlur(!postProcessingPipeline.isApplyingBlur());
-                    }
+                if(ImGui.collapsingHeader("OpenGL Details")){
+                    ImGui.text("GL_MAX_TEXTURE_IMAGE_UNITS: " + Globals.renderingEngine.getOpenGLContext().getMaxTextureImageUnits());
+                    ImGui.text("GL_MAX_TEXTURE_SIZE: " + Globals.renderingEngine.getOpenGLContext().getMaxTextureSize());
                 }
             }
         });

src/main/java/electrosphere/renderer/OpenGLContext.java

@@ -0,0 +1,52 @@
+package electrosphere.renderer;
+
+import java.nio.IntBuffer;
+
+import org.lwjgl.opengl.GL45;
+import org.lwjgl.system.MemoryStack;
+
+/**
+ * Data about the opengl context (ie, card-defined limits and so on)
+ */
+public class OpenGLContext {
+    
+    /**
+     * The maximum number of textures supported
+     */
+    int maxTextureImageUnits = 0;
+
+    /**
+     * The maximum texture size
+     */
+    int maxTextureSize = 0;
+
+    /**
+     * Constructor
+     */
+    protected OpenGLContext(){
+        try(MemoryStack stack = MemoryStack.stackPush()){
+            IntBuffer lookupBuf = stack.ints(1);
+            GL45.glGetIntegerv(GL45.GL_MAX_TEXTURE_IMAGE_UNITS, lookupBuf);
+            maxTextureImageUnits = lookupBuf.get(0);
+            GL45.glGetIntegerv(GL45.GL_MAX_TEXTURE_SIZE,lookupBuf);
+            maxTextureSize = lookupBuf.get(0);
+        }
+    }
+
+    /**
+     * Gets GL_MAX_TEXTURE_IMAGE_UNITS
+     * @return GL_MAX_TEXTURE_IMAGE_UNITS
+     */
+    public int getMaxTextureImageUnits(){
+        return maxTextureImageUnits;
+    }
+
+    /**
+     * Gets the max texture size
+     * @return The max texture size
+     */
+    public int getMaxTextureSize(){
+        return maxTextureSize;
+    }
+
+}

src/main/java/electrosphere/renderer/RenderingEngine.java

@@ -152,6 +152,11 @@ public class RenderingEngine {
     //the opengl state
     static OpenGLState openGLState = new OpenGLState();
 
+    /**
+     * The opengl context the rendering engine is running within
+     */
+    OpenGLContext openGLContext;
+
     //render pipelines
     MainContentPipeline mainContentPipeline = new MainContentPipeline();
     MainContentNoOITPipeline mainContentNoOITPipeline = new MainContentNoOITPipeline();
@@ -273,6 +278,7 @@ public class RenderingEngine {
 
         //get environment constraints
         openGLState.init();
+        openGLContext = new OpenGLContext();
 
         //init imgui pipeline
         imGuiPipeline = new ImGuiPipeline(Globals.window, glslVersion);
@@ -657,6 +663,14 @@ public class RenderingEngine {
         return openGLState;
     }
 
+    /**
+     * Gets the opengl context that the rendering engine is running within
+     * @return The opengl context
+     */
+    public OpenGLContext getOpenGLContext(){
+        return openGLContext;
+    }
+
     /**
      * Tries to recapture the screen
      */