From a360a64dd744c922232e1f0d9a1b35a782bd572c Mon Sep 17 00:00:00 2001
From: Bastien Bouclet
Date: Sun, 26 Jun 2011 10:35:40 +0200
Subject: SDL: Set a black palette by default.

This fixes white flashing screens when using SDL 1.3.
SDL 1.3 palettes are all white by default, whereas
SDL 1.2 palettes are all black ...
---
 backends/graphics/surfacesdl/surfacesdl-graphics.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/backends/graphics/surfacesdl/surfacesdl-graphics.cpp b/backends/graphics/surfacesdl/surfacesdl-graphics.cpp
index 66207b6808..3739cb28fc 100644
--- a/backends/graphics/surfacesdl/surfacesdl-graphics.cpp
+++ b/backends/graphics/surfacesdl/surfacesdl-graphics.cpp
@@ -157,6 +157,12 @@ SurfaceSdlGraphicsManager::SurfaceSdlGraphicsManager(SdlEventSource *sdlEventSou
 	_currentPalette = (SDL_Color *)calloc(sizeof(SDL_Color), 256);
 	_cursorPalette = (SDL_Color *)calloc(sizeof(SDL_Color), 256);
 
+	// Init palette with black :
+	// SDL 1.2 palettes default to all black,
+	// SDL 1.3 palettes default to all white,
+	// thus we have to set our own default.
+	memset(_currentPalette, 0, sizeof(SDL_Color) * 256);
+
 	_mouseBackup.x = _mouseBackup.y = _mouseBackup.w = _mouseBackup.h = 0;
 
 	memset(&_mouseCurState, 0, sizeof(_mouseCurState));
@@ -752,6 +758,9 @@ bool SurfaceSdlGraphicsManager::loadGFXMode() {
 		error("allocating _screen failed");
 #endif
 
+	// Set a default palette. SDL_SetColors does nothing for non indexed surfaces.
+	SDL_SetColors(_screen, _currentPalette, 0, 256);
+
 	//
 	// Create the surface that contains the scaled graphics in 16 bit mode
 	//
-- 
cgit v1.2.3