/*
Simple DirectMedia Layer
- Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
+ Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
};
/** Array component order, low byte -> high byte. */
+/* !!! FIXME: in 2.1, make these not overlap differently with
+ !!! FIXME: SDL_PACKEDORDER_*, so we can simplify SDL_ISPIXELFORMAT_ALPHA */
enum
{
SDL_ARRAYORDER_NONE,
(SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX4) || \
(SDL_PIXELTYPE(format) == SDL_PIXELTYPE_INDEX8)))
-#define SDL_ISPIXELFORMAT_ALPHA(format) \
+#define SDL_ISPIXELFORMAT_PACKED(format) \
+ (!SDL_ISPIXELFORMAT_FOURCC(format) && \
+ ((SDL_PIXELTYPE(format) == SDL_PIXELTYPE_PACKED8) || \
+ (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_PACKED16) || \
+ (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_PACKED32)))
+
+#define SDL_ISPIXELFORMAT_ARRAY(format) \
(!SDL_ISPIXELFORMAT_FOURCC(format) && \
+ ((SDL_PIXELTYPE(format) == SDL_PIXELTYPE_ARRAYU8) || \
+ (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_ARRAYU16) || \
+ (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_ARRAYU32) || \
+ (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_ARRAYF16) || \
+ (SDL_PIXELTYPE(format) == SDL_PIXELTYPE_ARRAYF32)))
+
+#define SDL_ISPIXELFORMAT_ALPHA(format) \
+ ((SDL_ISPIXELFORMAT_PACKED(format) && \
((SDL_PIXELORDER(format) == SDL_PACKEDORDER_ARGB) || \
(SDL_PIXELORDER(format) == SDL_PACKEDORDER_RGBA) || \
(SDL_PIXELORDER(format) == SDL_PACKEDORDER_ABGR) || \
- (SDL_PIXELORDER(format) == SDL_PACKEDORDER_BGRA)))
+ (SDL_PIXELORDER(format) == SDL_PACKEDORDER_BGRA))) || \
+ (SDL_ISPIXELFORMAT_ARRAY(format) && \
+ ((SDL_PIXELORDER(format) == SDL_ARRAYORDER_ARGB) || \
+ (SDL_PIXELORDER(format) == SDL_ARRAYORDER_RGBA) || \
+ (SDL_PIXELORDER(format) == SDL_ARRAYORDER_ABGR) || \
+ (SDL_PIXELORDER(format) == SDL_ARRAYORDER_BGRA))))
/* The flag is set to 1 because 0x1? is not in the printable ASCII range */
#define SDL_ISPIXELFORMAT_FOURCC(format) \
SDL_PIXELFORMAT_UYVY = /**< Packed mode: U0+Y0+V0+Y1 (1 plane) */
SDL_DEFINE_PIXELFOURCC('U', 'Y', 'V', 'Y'),
SDL_PIXELFORMAT_YVYU = /**< Packed mode: Y0+V0+Y1+U0 (1 plane) */
- SDL_DEFINE_PIXELFOURCC('Y', 'V', 'Y', 'U')
+ SDL_DEFINE_PIXELFOURCC('Y', 'V', 'Y', 'U'),
+ SDL_PIXELFORMAT_NV12 = /**< Planar mode: Y + U/V interleaved (2 planes) */
+ SDL_DEFINE_PIXELFOURCC('N', 'V', '1', '2'),
+ SDL_PIXELFORMAT_NV21 = /**< Planar mode: Y + V/U interleaved (2 planes) */
+ SDL_DEFINE_PIXELFOURCC('N', 'V', '2', '1')
};
typedef struct SDL_Color