[Scummvm-git-logs] scummvm master -> f8f4a73d09af1c85224ca0514d63c324038824dc

[sev-]

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pushed to the 'scummvm' repo located at https://api.github.com/repos/scummvm/scummvm .

Summary:
f8f4a73d09 BACKENDS: OPENGL: Die nicely on insane OpenGL subsystem state


Commit: f8f4a73d09af1c85224ca0514d63c324038824dc
    https://github.com/scummvm/scummvm/commit/f8f4a73d09af1c85224ca0514d63c324038824dc
Author: Eugene Sandulenko (sev at scummvm.org)
Date: 2026-03-02T22:19:46+01:00

Commit Message:
BACKENDS: OPENGL: Die nicely on insane OpenGL subsystem state

Changed paths:
    backends/graphics/opengl/opengl-graphics.cpp
    backends/graphics/openglsdl/openglsdl-graphics.cpp


diff --git a/backends/graphics/opengl/opengl-graphics.cpp b/backends/graphics/opengl/opengl-graphics.cpp
index d8598898d76..cec90363349 100644
--- a/backends/graphics/opengl/opengl-graphics.cpp
+++ b/backends/graphics/opengl/opengl-graphics.cpp
@@ -1460,6 +1460,10 @@ void OpenGLGraphicsManager::grabPalette(byte *colors, uint start, uint num) cons
 }
 
 void OpenGLGraphicsManager::handleResizeImpl(const int width, const int height) {
+	if (!_targetBuffer) {
+		error("PANIC: Resizing with empty context target buffer");
+	}
+
 	// Setup backbuffer size.
 	_targetBuffer->setSize(width, height);
 
diff --git a/backends/graphics/openglsdl/openglsdl-graphics.cpp b/backends/graphics/openglsdl/openglsdl-graphics.cpp
index 29b79def65d..79b4ecc180c 100644
--- a/backends/graphics/openglsdl/openglsdl-graphics.cpp
+++ b/backends/graphics/openglsdl/openglsdl-graphics.cpp
@@ -418,6 +418,11 @@ void OpenGLSdlGraphicsManager::notifyResize(const int width, const int height) {
 		currentHeight = height;
 	}
 
+	if (dpiScale < 0.01f || dpiScale > 100.0f) {
+		warning("OpenGLSdlGraphicsManager::notifyResize: Unreasonable DPI scale factor %f, ignoring it", dpiScale);
+		dpiScale = 2.0f;
+	}
+
 	debug(3, "req: %d x %d  cur: %d x %d, scale: %f", width, height, currentWidth, currentHeight, dpiScale);
 
 	if (ConfMan.getBool("force_resize", Common::ConfigManager::kApplicationDomain)) {