Broken 16 bits per pixel bitmaps

src/Bitmap.c

@@ -35,12 +35,12 @@ void Bitmap_UNSAFE_CopyBlock(int srcX, int srcY, int dstX, int dstY,
 
 void Bitmap_Allocate(struct Bitmap* bmp, int width, int height) {
 	bmp->width = width; bmp->height = height;
-	bmp->scan0 = (BitmapCol*)Mem_Alloc(width * height, 4, "bitmap data");
+	bmp->scan0 = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "bitmap data");
 }
 
 void Bitmap_TryAllocate(struct Bitmap* bmp, int width, int height) {
 	bmp->width = width; bmp->height = height;
-	bmp->scan0 = (BitmapCol*)Mem_TryAlloc(width * height, 4);
+	bmp->scan0 = (BitmapCol*)Mem_TryAlloc(width * height, BITMAPCOLOR_SIZE);
 }
 
 void Bitmap_Scale(struct Bitmap* dst, struct Bitmap* src, 
@@ -409,9 +409,9 @@ cc_result Png_Decode(struct Bitmap* bmp, struct Stream* stream) {
 
 			for (i = 0; i < dataSize; i += 3) {
 				palette[i / 3] &= BITMAPCOLOR_A_MASK; /* set RGB to 0 */
-				palette[i / 3] |= buffer[i    ] << BITMAPCOLOR_R_SHIFT;
-				palette[i / 3] |= buffer[i + 1] << BITMAPCOLOR_G_SHIFT;
-				palette[i / 3] |= buffer[i + 2] << BITMAPCOLOR_B_SHIFT;
+				palette[i / 3] |= BitmapColor_R_Bits(buffer[i    ]);
+				palette[i / 3] |= BitmapColor_G_Bits(buffer[i + 1]);
+				palette[i / 3] |= BitmapColor_B_Bits(buffer[i + 2]);
 			}
 		} break;
 
@@ -434,7 +434,7 @@ cc_result Png_Decode(struct Bitmap* bmp, struct Stream* stream) {
 				/* set alpha component of palette */
 				for (i = 0; i < dataSize; i++) {
 					palette[i] &= BITMAPCOLOR_RGB_MASK; /* set A to 0 */
-					palette[i] |= buffer[i] << BITMAPCOLOR_A_SHIFT;
+					palette[i] |= BitmapColor_A_Bits(buffer[i]);
 				}
 			} else if (colorspace == PNG_COLOR_RGB) {
 				if (dataSize != 6) return PNG_ERR_TRANS_COUNT;

src/Bitmap.h

@@ -6,8 +6,15 @@
 */
 struct Stream;
 
-/* Represents a packed 32 bit RGBA colour, suitable for native graphics API texture pixels. */
-typedef cc_uint32 BitmapCol;
+/* Represents a packed RGBA colour, suitable for 3D graphics API textures and 2D window framebuffers. */
+#ifndef BITMAP_16BPP
+	typedef cc_uint32 BitmapCol;
+	#define BITMAPCOLOR_SIZE 4
+#else
+	typedef cc_uint16 BitmapCol;
+	#define BITMAPCOLOR_SIZE 2
+#endif
+
 #if defined CC_BUILD_WEB || defined CC_BUILD_ANDROID || defined CC_BUILD_PSP || defined CC_BUILD_PSVITA || defined CC_BUILD_PS2
 	#define BITMAPCOLOR_R_SHIFT  0
 	#define BITMAPCOLOR_G_SHIFT  8
@@ -18,6 +25,11 @@ typedef cc_uint32 BitmapCol;
 	#define BITMAPCOLOR_G_SHIFT 16
 	#define BITMAPCOLOR_B_SHIFT  8
 	#define BITMAPCOLOR_A_SHIFT  0
+#elif defined BITMAP_16BPP
+	#define BITMAPCOLOR_B_SHIFT  0
+	#define BITMAPCOLOR_G_SHIFT  5
+	#define BITMAPCOLOR_R_SHIFT 10
+	#define BITMAPCOLOR_A_SHIFT 15
 #else
 	#define BITMAPCOLOR_B_SHIFT  0
 	#define BITMAPCOLOR_G_SHIFT  8
@@ -25,21 +37,43 @@ typedef cc_uint32 BitmapCol;
 	#define BITMAPCOLOR_A_SHIFT 24
 #endif
 
-#define BITMAPCOLOR_R_MASK (0xFFU << BITMAPCOLOR_R_SHIFT)
-#define BITMAPCOLOR_G_MASK (0xFFU << BITMAPCOLOR_G_SHIFT)
-#define BITMAPCOLOR_B_MASK (0xFFU << BITMAPCOLOR_B_SHIFT)
-#define BITMAPCOLOR_A_MASK (0xFFU << BITMAPCOLOR_A_SHIFT)
-
-/* Extracts just the R/G/B/A component from a bitmap color */
-#define BitmapCol_R(color) ((cc_uint8)(color >> BITMAPCOLOR_R_SHIFT))
-#define BitmapCol_G(color) ((cc_uint8)(color >> BITMAPCOLOR_G_SHIFT))
-#define BitmapCol_B(color) ((cc_uint8)(color >> BITMAPCOLOR_B_SHIFT))
-#define BitmapCol_A(color) ((cc_uint8)(color >> BITMAPCOLOR_A_SHIFT))
-
-#define BitmapColor_R_Bits(color) ((cc_uint8)(color) << BITMAPCOLOR_R_SHIFT)
-#define BitmapColor_G_Bits(color) ((cc_uint8)(color) << BITMAPCOLOR_G_SHIFT)
-#define BitmapColor_B_Bits(color) ((cc_uint8)(color) << BITMAPCOLOR_B_SHIFT)
-#define BitmapColor_A_Bits(color) ((cc_uint8)(color) << BITMAPCOLOR_A_SHIFT)
+#ifndef BITMAP_16BPP
+	/* Masks a packed color to the selected component */
+	#define BITMAPCOLOR_R_MASK (0xFFU << BITMAPCOLOR_R_SHIFT)
+	#define BITMAPCOLOR_G_MASK (0xFFU << BITMAPCOLOR_G_SHIFT)
+	#define BITMAPCOLOR_B_MASK (0xFFU << BITMAPCOLOR_B_SHIFT)
+	#define BITMAPCOLOR_A_MASK (0xFFU << BITMAPCOLOR_A_SHIFT)
+	
+	/* Extracts just the R/G/B/A component from a bitmap color */
+	#define BitmapCol_R(color) ((cc_uint8)(color >> BITMAPCOLOR_R_SHIFT))
+	#define BitmapCol_G(color) ((cc_uint8)(color >> BITMAPCOLOR_G_SHIFT))
+	#define BitmapCol_B(color) ((cc_uint8)(color >> BITMAPCOLOR_B_SHIFT))
+	#define BitmapCol_A(color) ((cc_uint8)(color >> BITMAPCOLOR_A_SHIFT))
+	
+	/* Converts input value into a packed color component */
+	#define BitmapColor_R_Bits(value) ((cc_uint8)(value) << BITMAPCOLOR_R_SHIFT)
+	#define BitmapColor_G_Bits(value) ((cc_uint8)(value) << BITMAPCOLOR_G_SHIFT)
+	#define BitmapColor_B_Bits(value) ((cc_uint8)(value) << BITMAPCOLOR_B_SHIFT)
+	#define BitmapColor_A_Bits(value) ((cc_uint8)(value) << BITMAPCOLOR_A_SHIFT)
+#else
+	/* Masks a packed color to the selected component */
+	#define BITMAPCOLOR_R_MASK (0x3FU << BITMAPCOLOR_R_SHIFT)
+	#define BITMAPCOLOR_G_MASK (0x3FU << BITMAPCOLOR_G_SHIFT)
+	#define BITMAPCOLOR_B_MASK (0x3FU << BITMAPCOLOR_B_SHIFT)
+	#define BITMAPCOLOR_A_MASK (0x01U << BITMAPCOLOR_A_SHIFT)
+	
+	/* Extracts just the R/G/B/A component from a bitmap color */
+	#define BitmapCol_R(color) (((cc_uint8)(color >> BITMAPCOLOR_R_SHIFT) & 0x3F) << 3)
+	#define BitmapCol_G(color) (((cc_uint8)(color >> BITMAPCOLOR_G_SHIFT) & 0x3F) << 3)
+	#define BitmapCol_B(color) (((cc_uint8)(color >> BITMAPCOLOR_B_SHIFT) & 0x3F) << 3)
+	#define BitmapCol_A(color) (((cc_uint8)(color >> BITMAPCOLOR_A_SHIFT) & 0x01) << 7)
+	
+	/* Converts input value into a packed color component */
+	#define BitmapColor_R_Bits(value) (((cc_uint8)(value) >> 3) << BITMAPCOLOR_R_SHIFT)
+	#define BitmapColor_G_Bits(value) (((cc_uint8)(value) >> 3) << BITMAPCOLOR_G_SHIFT)
+	#define BitmapColor_B_Bits(value) (((cc_uint8)(value) >> 3) << BITMAPCOLOR_B_SHIFT)
+	#define BitmapColor_A_Bits(value) (((cc_uint8)(value) >> 7) << BITMAPCOLOR_A_SHIFT)
+#endif
 
 #define BitmapCol_Make(r, g, b, a) (BitmapColor_R_Bits(r) | BitmapColor_G_Bits(g) | BitmapColor_B_Bits(b) | BitmapColor_A_Bits(a))
 #define BitmapColor_RGB(r, g, b)   (BitmapColor_R_Bits(r) | BitmapColor_G_Bits(g) | BitmapColor_B_Bits(b) | BITMAPCOLOR_A_MASK)

src/Drawer2D.c

@@ -163,7 +163,7 @@ void Context2D_Alloc(struct Context2D* ctx, int width, int height) {
 
 	ctx->bmp.width  = width; 
 	ctx->bmp.height = height;
-	ctx->bmp.scan0  = (BitmapCol*)Mem_AllocCleared(width * height, 4, "bitmap data");
+	ctx->bmp.scan0  = (BitmapCol*)Mem_AllocCleared(width * height, BITMAPCOLOR_SIZE, "bitmap data");
 }
 
 void Context2D_Wrap(struct Context2D* ctx, struct Bitmap* bmp) {

src/Drawer2D.h

@@ -93,7 +93,7 @@ cc_bool Drawer2D_IsWhiteColor(char c);
 cc_bool Drawer2D_UNSAFE_NextPart(cc_string* left, cc_string* part, char* colorCode);
 
 /* Divides R/G/B by 4 */
-#define SHADOW_MASK ((0x3F << BITMAPCOLOR_R_SHIFT) | (0x3F << BITMAPCOLOR_G_SHIFT) | (0x3F << BITMAPCOLOR_B_SHIFT))
+#define SHADOW_MASK (BitmapColor_R_Bits(0x3F) | BitmapColor_G_Bits(0x3F) | BitmapColor_B_Bits(0x3F))
 static CC_INLINE BitmapCol GetShadowColor(BitmapCol c) {
 	if (Drawer2D.BlackTextShadows) return BITMAPCOLOR_BLACK;
 

src/Graphics_D3D11.c

@@ -178,7 +178,7 @@ static void D3D11_DoMipmaps(ID3D11Resource* texture, int x, int y, struct Bitmap
 		if (width > 1)  width  /= 2;
 		if (height > 1) height /= 2;
 
-		cur = (BitmapCol*)Mem_Alloc(width * height, 4, "mipmaps");
+		cur = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "mipmaps");
 		GenMipmaps(width, height, cur, prev, rowWidth);
 
 		D3D11_BOX box;

src/Graphics_D3D9.c

@@ -287,7 +287,7 @@ static void D3D9_DoMipmaps(IDirect3DTexture9* texture, int x, int y, struct Bitm
 		if (width > 1)  width /= 2;
 		if (height > 1) height /= 2;
 
-		cur = (BitmapCol*)Mem_Alloc(width * height, 4, "mipmaps");
+		cur = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "mipmaps");
 		GenMipmaps(width, height, cur, prev, rowWidth);
 
 		Bitmap_Init(mipmap, width, height, cur);

src/Graphics_SoftGPU.c

@@ -98,7 +98,7 @@ static GfxResourceID Gfx_AllocTexture(struct Bitmap* bmp, int rowWidth, cc_uint8
 
 void Gfx_UpdateTexture(GfxResourceID texId, int x, int y, struct Bitmap* part, int rowWidth, cc_bool mipmaps) {
 	CCTexture* tex = (CCTexture*)texId;
-	cc_uint32* dst = (tex->pixels + x) + y * tex->width;
+	BitmapCol* dst = (tex->pixels + x) + y * tex->width;
 	CopyTextureData(dst, tex->width * 4, part, rowWidth << 2);
 }
 

src/Window_3DS.c

@@ -189,7 +189,7 @@ void Gamepads_Process(float delta) {
 *------------------------------------------------------Framebuffer--------------------------------------------------------*
 *#########################################################################################################################*/
 void Window_AllocFramebuffer(struct Bitmap* bmp, int width, int height) {
-	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, 4, "window pixels");
+	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "window pixels");
 	bmp->width  = width;
 	bmp->height = height;
 }

src/Window_Android.c

@@ -481,7 +481,7 @@ cc_result Window_SaveFileDialog(const struct SaveFileDialogArgs* save_args) {
 }
 
 void Window_AllocFramebuffer(struct Bitmap* bmp, int width, int height) {
-	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, 4, "window pixels");
+	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "window pixels");
 	bmp->width  = width;
 	bmp->height = height;
 }

src/Window_Dreamcast.c

@@ -287,7 +287,7 @@ void Gamepads_Process(float delta) {
 *------------------------------------------------------Framebuffer--------------------------------------------------------*
 *#########################################################################################################################*/
 void Window_AllocFramebuffer(struct Bitmap* bmp, int width, int height) {
-	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, 4, "window pixels");
+	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "window pixels");
 	bmp->width  = width;
 	bmp->height = height;
 }

src/Window_GCWii.c

@@ -452,7 +452,7 @@ void Gamepads_Process(float delta) {
 *------------------------------------------------------Framebuffer--------------------------------------------------------*
 *#########################################################################################################################*/
 void Window_AllocFramebuffer(struct Bitmap* bmp, int width, int height) {
-	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, 4, "window pixels");
+	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "window pixels");
 	bmp->width  = width;
 	bmp->height = height;
 }

src/Window_MacClassic.c

@@ -439,7 +439,7 @@ static PixMapHandle fb_pixmap;
 
 void Window_AllocFramebuffer(struct Bitmap* bmp, int width, int height) {
 	if (!useGWorld) {
-		bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, 4, "window pixels");
+		bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "window pixels");
 		bmp->width  = width;
 		bmp->height = height;
 		return;

src/Window_N64.c

@@ -152,7 +152,7 @@ void Gamepads_Process(float delta) {
 *------------------------------------------------------Framebuffer--------------------------------------------------------*
 *#########################################################################################################################*/
 void Window_AllocFramebuffer(struct Bitmap* bmp, int width, int height) {
-	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, 4, "window pixels");
+	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "window pixels");
 	bmp->width  = width;
 	bmp->height = height;
 }

src/Window_NDS.c

@@ -257,7 +257,7 @@ void Gamepads_Process(float delta) {
 *------------------------------------------------------Framebuffer--------------------------------------------------------*
 *#########################################################################################################################*/
 void Window_AllocFramebuffer(struct Bitmap* bmp, int width, int height) {
-	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, 4, "window pixels");
+	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "window pixels");
 	bmp->width  = width;
 	bmp->height = height;
 }

src/Window_PS1.c

@@ -163,7 +163,7 @@ void Window_AllocFramebuffer(struct Bitmap* bmp, int width, int height) {
 	PutDispEnv(&disp);
 	SetDispMask(1);
 
-	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, 4, "window pixels");
+	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "window pixels");
 	bmp->width  = width;
 	bmp->height = height;
 

src/Window_PS2.c

@@ -260,7 +260,7 @@ void Gamepads_Process(float delta) {
 *------------------------------------------------------Framebuffer--------------------------------------------------------*
 *#########################################################################################################################*/
 void Window_AllocFramebuffer(struct Bitmap* bmp, int width, int height) {
-	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, 4, "window pixels");
+	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "window pixels");
 	bmp->width  = width;
 	bmp->height = height;
 

src/Window_PSP.c

@@ -136,7 +136,7 @@ void Gamepads_Process(float delta) {
 *------------------------------------------------------Framebuffer--------------------------------------------------------*
 *#########################################################################################################################*/
 void Window_AllocFramebuffer(struct Bitmap* bmp, int width, int height) {
-	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, 4, "window pixels");
+	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "window pixels");
 	bmp->width  = width;
 	bmp->height = height;
 }

src/Window_PSVita.c

@@ -194,7 +194,7 @@ void Gamepads_Process(float delta) {
 *#########################################################################################################################*/
 static struct Bitmap fb_bmp;
 void Window_AllocFramebuffer(struct Bitmap* bmp, int width, int height) {
-	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, 4, "window pixels");
+	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "window pixels");
 	bmp->width  = width;
 	bmp->height = height;
 	fb_bmp      = *bmp;

src/Window_Switch.c

@@ -198,7 +198,7 @@ void Window_AllocFramebuffer(struct Bitmap* bmp, int width, int height) {
 	framebufferCreate(&fb, nwindowGetDefault(), DisplayInfo.Width, DisplayInfo.Height, PIXEL_FORMAT_BGRA_8888, 2);
 	framebufferMakeLinear(&fb);
 
-	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, 4, "window pixels");
+	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "window pixels");
 	bmp->width  = width;
 	bmp->height = height;
 }

src/Window_Terminal.c

@@ -529,7 +529,7 @@ cc_result Window_SaveFileDialog(const struct SaveFileDialogArgs* args) {
 
 
 void Window_AllocFramebuffer(struct Bitmap* bmp, int width, int height) {
-	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, 4, "window pixels");
+	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "window pixels");
 	bmp->width  = width;
 	bmp->height = height;
 }

src/Window_WiiU.cpp

@@ -374,7 +374,7 @@ void Window_AllocFramebuffer(struct Bitmap* bmp, int width, int height) {
 	GX2InitTextureRegs(&fb);
 
 	fb.surface.image = MEMAllocFromDefaultHeapEx(fb.surface.imageSize, fb.surface.alignment);
-	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, 4, "window pixels");
+	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "window pixels");
 	bmp->width  = width;
 	bmp->height = height;
 }

src/Window_X11.c

@@ -1133,7 +1133,7 @@ static int fb_fast;
 void Window_AllocFramebuffer(struct Bitmap* bmp, int width, int height) {
 	if (!fb_gc) fb_gc = XCreateGC(win_display, win_handle, 0, NULL);
 
-	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, 4, "window pixels");
+	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "window pixels");
 	bmp->width  = width;
 	bmp->height = height;
 
@@ -1141,7 +1141,7 @@ void Window_AllocFramebuffer(struct Bitmap* bmp, int width, int height) {
 	/* Easy for 24/32 bit case, but much trickier with other depths */
 	/*  (have to do a manual and slow second blit for other depths) */
 	fb_fast = win_visual.depth == 24 || win_visual.depth == 32;
-	fb_data = fb_fast ? bmp->scan0 : Mem_Alloc(width * height, 4, "window blit");
+	fb_data = fb_fast ? bmp->scan0 : Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "window blit");
 
 	fb_image = XCreateImage(win_display, win_visual.visual,
 		win_visual.depth, ZPixmap, 0, fb_data,

src/Window_Xbox.c

@@ -193,7 +193,7 @@ void Gamepads_Process(float delta) {
 *------------------------------------------------------Framebuffer--------------------------------------------------------*
 *#########################################################################################################################*/
 void Window_AllocFramebuffer(struct Bitmap* bmp, int width, int height) {
-	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, 4, "window pixels");
+	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "window pixels");
 	bmp->width  = width;
 	bmp->height = height;
 }

src/Window_Xbox360.c

@@ -147,7 +147,7 @@ void Gamepads_Process(float delta) {
 *------------------------------------------------------Framebuffer--------------------------------------------------------*
 *#########################################################################################################################*/
 void Window_AllocFramebuffer(struct Bitmap* bmp, int width, int height) {
-	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, 4, "window pixels");
+	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "window pixels");
 	bmp->width  = width;
 	bmp->height = height;
 }

src/Window_cocoa.m

@@ -702,7 +702,7 @@ cc_result Window_OpenFileDialog(const struct OpenFileDialogArgs* args) {
 *#########################################################################################################################*/
 static struct Bitmap fb_bmp;
 void Window_AllocFramebuffer(struct Bitmap* bmp, int width, int height) {
-	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, 4, "window pixels");
+	bmp->scan0  = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "window pixels");
 	bmp->width  = width;
 	bmp->height = height;
 	fb_bmp      = *bmp;

src/_GLShared.h

@@ -79,7 +79,7 @@ static void Gfx_DoMipmaps(int x, int y, struct Bitmap* bmp, int rowWidth, cc_boo
 		if (width > 1)  width /= 2;
 		if (height > 1) height /= 2;
 
-		cur = (BitmapCol*)Mem_Alloc(width * height, 4, "mipmaps");
+		cur = (BitmapCol*)Mem_Alloc(width * height, BITMAPCOLOR_SIZE, "mipmaps");
 		GenMipmaps(width, height, cur, prev, rowWidth);
 
 		if (partial) {
@@ -244,7 +244,7 @@ cc_result Gfx_TakeScreenshot(struct Stream* output) {
 	bmp.width  = vp[2]; 
 	bmp.height = vp[3];
 
-	bmp.scan0  = (BitmapCol*)Mem_TryAlloc(bmp.width * bmp.height, 4);
+	bmp.scan0  = (BitmapCol*)Mem_TryAlloc(bmp.width * bmp.height, BITMAPCOLOR_SIZE);
 	if (!bmp.scan0) return ERR_OUT_OF_MEMORY;
 	glReadPixels(0, 0, bmp.width, bmp.height, PIXEL_FORMAT, TRANSFER_FORMAT, bmp.scan0);
 

src/interop_ios.m

@@ -1401,7 +1401,7 @@ void LBackend_Redraw(void) {
     struct Bitmap bmp;
     bmp.width  = max(Window_Main.Width,  1);
     bmp.height = max(Window_Main.Height, 1);
-    bmp.scan0  = (BitmapCol*)Mem_Alloc(bmp.width * bmp.height, 4, "window pixels");
+    bmp.scan0  = (BitmapCol*)Mem_Alloc(bmp.width * bmp.height, BITMAPCOLOR_SIZE, "window pixels");
     
     Context2D_Wrap(&ctx, &bmp);
     win_ctx = CGBitmapContextCreate(bmp.scan0, bmp.width, bmp.height, 8, bmp.width * 4,