M CHANGES → CHANGES

@@ -8,6 +8,7 @@ - Qt: Fix saving overrides
  - FFmpeg: Fix encoding AAC
  - GB Video: Fix video frames getting missed when LCDC is off
  - LR35902: Fix events running with the wrong cycle active
+ - GB Video: Clear screen when LCDC is off
 Misc:
  - All: Only update version info if needed
  - FFmpeg: Encoding cleanup

M src/gb/renderers/software.c → src/gb/renderers/software.c

@@ -21,6 +21,31 @@
 static void GBVideoSoftwareRendererDrawBackground(struct GBVideoSoftwareRenderer* renderer, uint8_t* maps, int startX, int endX, int sx, int sy);
 static void GBVideoSoftwareRendererDrawObj(struct GBVideoSoftwareRenderer* renderer, struct GBObj* obj, int startX, int endX, int y);
 
+static void _clearScreen(struct GBVideoSoftwareRenderer* renderer) {
+	// TODO: Dynamic from dmgPalette
+#ifdef COLOR_16_BIT
+#ifdef COLOR_5_6_5
+	color_t palette0 = 0xFFDF;
+#else
+	color_t palette0 = 0x7FFF;
+#endif
+#else
+	color_t palette0 = 0xF8F8F8;
+#endif
+
+	int y;
+	for (y = 0; y < GB_VIDEO_VERTICAL_PIXELS; ++y) {
+		color_t* row = &renderer->outputBuffer[renderer->outputBufferStride * y];
+		int x;
+		for (x = 0; x < GB_VIDEO_HORIZONTAL_PIXELS; x += 4) {
+			row[x + 0] = palette0;
+			row[x + 1] = palette0;
+			row[x + 2] = palette0;
+			row[x + 3] = palette0;
+		}
+	}
+}
+
 void GBVideoSoftwareRendererCreate(struct GBVideoSoftwareRenderer* renderer) {
 	renderer->d.init = GBVideoSoftwareRendererInit;
 	renderer->d.deinit = GBVideoSoftwareRendererDeinit;
@@ -44,14 +69,7 @@ softwareRenderer->currentWy = 0;
 	softwareRenderer->wx = 0;
 	softwareRenderer->model = model;
 
-	int y;
-	for (y = 0; y < GB_VIDEO_VERTICAL_PIXELS; ++y) {
-		color_t* row = &softwareRenderer->outputBuffer[softwareRenderer->outputBufferStride * y];
-		int x;
-		for (x = 0; x < GB_VIDEO_HORIZONTAL_PIXELS; ++x) {
-			row[x] = softwareRenderer->palette[0];
-		}
-	}
+	_clearScreen(softwareRenderer);
 }
 
 static void GBVideoSoftwareRendererDeinit(struct GBVideoRenderer* renderer) {
@@ -63,6 +81,9 @@ static uint8_t GBVideoSoftwareRendererWriteVideoRegister(struct GBVideoRenderer* renderer, uint16_t address, uint8_t value) {
 	struct GBVideoSoftwareRenderer* softwareRenderer = (struct GBVideoSoftwareRenderer*) renderer;
 	switch (address) {
 	case REG_LCDC:
+		if (GBRegisterLCDCIsEnable(softwareRenderer->lcdc) && !GBRegisterLCDCIsEnable(value)) {
+			_clearScreen(softwareRenderer);
+		}
 		softwareRenderer->lcdc = value;
 		break;
 	case REG_SCY: