M CHANGES → CHANGES

@@ -89,6 +89,7 @@ - GB I/O: Implement preliminary support for PCM12/PCM34 (closes mgba.io/i/1468)
  - GBA: Allow pausing event loop while CPU is blocked
  - GBA BIOS: Division by zero should emit a FATAL error
  - GBA Video: Convert OpenGL VRAM texture to integer
+ - GBA Video: Skip attempting to render offscreen sprites in OpenGL
  - Debugger: Keep track of global cycle count
  - FFmpeg: Add looping option for GIF/APNG
  - mGUI: Show battery percentage

M src/gba/renderers/gl.c → src/gba/renderers/gl.c

@@ -1669,6 +1669,11 @@ if (spriteY + totalHeight >= 256) {
 		spriteY -= 256;
 	}
 
+	if (x + totalWidth <= 0 || x >= GBA_VIDEO_HORIZONTAL_PIXELS) {
+		// These sprites aren't displayed but affect cycle counting
+		return;
+	}
+
 	const struct GBAVideoGLShader* shader = &renderer->objShader[GBAObjAttributesAGet256Color(sprite->a)];
 	const GLuint* uniforms = shader->uniforms;
 	glBindFramebuffer(GL_FRAMEBUFFER, renderer->fbo[GBA_GL_FBO_OBJ]);