cpp/openttd-patchpack/source Changeset - r14151:b74c66bf771d

Changeset - r14151:b74c66bf771d

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peter1138 - 15 years ago 2010-01-04 02:32:36
peter1138@openttd.org

(svn r18709) -Fix (r10227,FS#3464): Animation buffer for 32bpp-anim blitter was only validated during sprite blitting, other drawing operations didn't check it. Initial startup and window resize could therefore lead to crash.

7 files changed with 30 insertions and 8 deletions:

src/blitter/32bpp_anim.cpp

src/blitter/32bpp_anim.hpp

src/blitter/base.hpp

src/video/allegro_v.cpp

src/video/cocoa/cocoa_v.mm

src/video/sdl_v.cpp

src/video/win32_v.cpp

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src/blitter/32bpp_anim.cpp

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@@ @@ -202,14 +202,6 @@ void Blitter_32bppAnim::Draw(Blitter::Bl @@
 		return;
+	}
 	if (_screen.width != this->anim_buf_width || _screen.height != this->anim_buf_height) {
 		/* The size of the screen changed; we can assume we can wipe all data from our buffer */
 		free(this->anim_buf);
 		this->anim_buf = CallocT<uint8>(_screen.width * _screen.height);
 		this->anim_buf_width = _screen.width;
 		this->anim_buf_height = _screen.height;
+	}
 	switch (mode) {
 		default: NOT_REACHED();
 		case BM_NORMAL:       Draw<BM_NORMAL>      (bp, zoom); return;
@@ @@ -448,3 +440,14 @@ Blitter::PaletteAnimation Blitter_32bppA @@
+{
 	return Blitter::PALETTE_ANIMATION_BLITTER;
+}
 void Blitter_32bppAnim::PostResize()
+{
 	if (_screen.width != this->anim_buf_width || _screen.height != this->anim_buf_height) {
 		/* The size of the screen changed; we can assume we can wipe all data from our buffer */
 		free(this->anim_buf);
 		this->anim_buf = CallocT<uint8>(_screen.width * _screen.height);
 		this->anim_buf_width = _screen.width;
 		this->anim_buf_height = _screen.height;
+	}
+}

src/blitter/32bpp_anim.hpp

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@@ @@ -42,6 +42,7 @@ public: @@
 	/* virtual */ const char *GetName() { return "32bpp-anim"; }
 	/* virtual */ int GetBytesPerPixel() { return 5; }
 	/* virtual */ void PostResize();
 	template <BlitterMode mode> void Draw(const Blitter::BlitterParams *bp, ZoomLevel zoom);
 };

src/blitter/base.hpp

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@@ @@ -200,6 +200,11 @@ public: @@
 	 */
 	virtual int GetBytesPerPixel() = 0;
 	/**
 	 * Post resize event
 	 */
 	virtual void PostResize() { };
 	virtual ~Blitter() { }
 };

src/video/allegro_v.cpp

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@@ @@ -221,6 +221,8 @@ static bool CreateMainSurface(uint w, ui @@
 	_cursor.pos.x = mouse_x;
 	_cursor.pos.y = mouse_y;
 	BlitterFactoryBase::GetCurrentBlitter()->PostResize();
 	InitPalette();
 	char caption[32];

src/video/cocoa/cocoa_v.mm

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@@ @@ -197,6 +197,8 @@ void QZ_GameSizeChanged() @@
 	_screen.dst_ptr = _cocoa_subdriver->GetPixelBuffer();
 	_fullscreen = _cocoa_subdriver->IsFullscreen();
 	BlitterFactoryBase::GetCurrentBlitter()->PostResize();
 	GameSizeChanged();
+}

src/video/sdl_v.cpp

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@@ @@ -251,6 +251,9 @@ static bool CreateMainSurface(uint w, ui @@
 	_screen.pitch = newscreen->pitch / (bpp / 8);
 	_screen.dst_ptr = newscreen->pixels;
 	_sdl_screen = newscreen;
 	BlitterFactoryBase::GetCurrentBlitter()->PostResize();
 	InitPalette();
 	snprintf(caption, sizeof(caption), "OpenTTD %s", _openttd_revision);

src/video/win32_v.cpp

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@@ @@ -160,6 +160,9 @@ static void ClientSizeChanged(int w, int @@
 		/* mark all palette colors dirty */
 		_pal_first_dirty = 0;
 		_pal_count_dirty = 256;
 		BlitterFactoryBase::GetCurrentBlitter()->PostResize();
 		GameSizeChanged();
 		/* redraw screen */
@@ @@ -302,6 +305,9 @@ static bool MakeWindow(bool full_screen) @@
 			ShowWindow(_wnd.main_wnd, showstyle);
+		}
+	}
 	BlitterFactoryBase::GetCurrentBlitter()->PostResize();
 	GameSizeChanged(); // invalidate all windows, force redraw
 	return true; // the request succedded
+}

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