Initial automated testing

.gitea/workflows/make_png.yaml

@@ -0,0 +1,27 @@
+name: Make PNG
+run-name: ${{ gitea.actor }} is recording the PNG output.
+
+on: push
+
+jobs:
+  build-app:
+    runs-on: linux_amd64
+    steps:
+      - name: Checkout curr
+        uses: actions/checkout@v4
+        with:
+          path: curr
+      - name: Checkout prev
+        uses: actions/checkout@v4
+        with:
+          path: prev
+          fetch-depth: 2
+      - run: cd prev && git checkout HEAD^
+      - name: Configure CMake
+        run: cmake -S curr -B curr/build
+        run: cmake -S prev -B prev/build
+      - name: Generate PNG files
+        run: cd curr/build/tests && xvfb-run ./test-basic
+        run: cd prev/build/tests && xvfb-run ./test-basic
+      - name: Compare PNG files
+        run: diff curr/build/tests/image.png prev/build/tests/image.png

source/glerminal.cpp

@@ -529,7 +529,7 @@ namespace glerminal
 
 			log(GL_DEBUG_TYPE_ERROR, 0, 0, "Could not compile vertex shader.");
 			log(GL_DEBUG_TYPE_ERROR, 0, 0, info_log);
-			throw std::runtime_error("");
+			throw std::runtime_error("Could not compile vertex shader.");
 		}
 
 		glGetShaderiv(geometry_shader, GL_COMPILE_STATUS, &success);
@@ -543,7 +543,7 @@ namespace glerminal
 
 			log(GL_DEBUG_TYPE_ERROR, 1, 0, "Could not compile geometry shader.");
 			log(GL_DEBUG_TYPE_ERROR, 1, 0, info_log);
-			throw std::runtime_error("");
+			throw std::runtime_error("Could not compile geometry shader.");
 		}
 
 		glGetShaderiv(fragment_shader, GL_COMPILE_STATUS, &success);
@@ -557,7 +557,7 @@ namespace glerminal
 
 			log(GL_DEBUG_TYPE_ERROR, 2, 0, "Could not compile fragment shader.");
 			log(GL_DEBUG_TYPE_ERROR, 2, 0, info_log);
-			throw std::runtime_error("");
+			throw std::runtime_error("Could not compile fragment shader.");
 		}
 
 		// link
@@ -584,7 +584,7 @@ namespace glerminal
 
 			log(GL_DEBUG_TYPE_ERROR, 3, 0, "Could not link shader program.");
 			log(GL_DEBUG_TYPE_ERROR, 3, 0, info_log);
-			throw std::runtime_error("");
+			throw std::runtime_error("Could not link shader program.");
 		}
 
 		// setup uniforms
@@ -613,7 +613,7 @@ namespace glerminal
 
 			log(GL_DEBUG_TYPE_ERROR, 4, 0, "Could not compile screen vertex shader.");
 			log(GL_DEBUG_TYPE_ERROR, 4, 0, info_log);
-			throw std::runtime_error("");
+			throw std::runtime_error("Could not compile screen vertex shader.");
 		}
 
 		glGetShaderiv(screen_fragment_shader, GL_COMPILE_STATUS, &success);
@@ -626,7 +626,7 @@ namespace glerminal
 
 			log(GL_DEBUG_TYPE_ERROR, 5, 0, "Could not compile screen fragment shader.");
 			log(GL_DEBUG_TYPE_ERROR, 5, 0, info_log);
-			throw std::runtime_error("");
+			throw std::runtime_error("Could not compile screen fragment shader.");
 		}
 
 		// link
@@ -645,7 +645,7 @@ namespace glerminal
 
 			log(GL_DEBUG_TYPE_ERROR, 6, 0, "Could not link screen shader program.");
 			log(GL_DEBUG_TYPE_ERROR, 6, 0, info_log);
-			throw std::runtime_error("");
+			throw std::runtime_error("Could not link screen shader program.");
 		}
 
 		// setup uniforms for screen shader