Added a single SDL_LEAN_AND_MEAN define to turn on minimal SDL builds

Protected more code with #ifdefs to reduce the size of minimal shared library builds
libsdl-org · Jan 23, 2020 · b5e3d26 · b5e3d26
1 parent b1c6e7c
commit b5e3d26
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Showing 21 changed files with 108 additions and 21 deletions.
diff --git a/src/SDL_internal.h b/src/SDL_internal.h
@@ -54,46 +54,67 @@
 /* A few #defines to reduce SDL2 footprint.
    Only effective when library is statically linked.
    You have to manually edit this file. */
+#ifndef SDL_LEAN_AND_MEAN
+#define SDL_LEAN_AND_MEAN               1
+#endif
 
 /* Optimized functions from 'SDL_blit_0.c'
    - blit with source BitsPerPixel < 8, palette */
-#define SDL_HAVE_BLIT_0                 1
+#ifndef SDL_HAVE_BLIT_0
+#define SDL_HAVE_BLIT_0                 !SDL_LEAN_AND_MEAN
+#endif
 
 /* Optimized functions from 'SDL_blit_1.c'
    - blit with source BytesPerPixel == 1, palette */
-#define SDL_HAVE_BLIT_1                 1
+#ifndef SDL_HAVE_BLIT_1
+#define SDL_HAVE_BLIT_1                 !SDL_LEAN_AND_MEAN
+#endif
 
 /* Optimized functions from 'SDL_blit_A.c'
    - blit with 'SDL_BLENDMODE_BLEND' blending mode */
-#define SDL_HAVE_BLIT_A                 1
+#ifndef SDL_HAVE_BLIT_A
+#define SDL_HAVE_BLIT_A                 !SDL_LEAN_AND_MEAN
+#endif
 
 /* Optimized functions from 'SDL_blit_N.c'
    - blit with COLORKEY mode, or nothing */
-#define SDL_HAVE_BLIT_N                 1
+#ifndef SDL_HAVE_BLIT_N
+#define SDL_HAVE_BLIT_N                 !SDL_LEAN_AND_MEAN
+#endif
 
 /* Optimized functions from 'SDL_blit_N.c'
    - RGB565 conversion with Lookup tables */
-#define SDL_HAVE_BLIT_N_RGB565          1
+#ifndef SDL_HAVE_BLIT_N_RGB565
+#define SDL_HAVE_BLIT_N_RGB565          !SDL_LEAN_AND_MEAN
+#endif
 
 /* Optimized functions from 'SDL_blit_AUTO.c'
    - blit with modulate color, modulate alpha, any blending mode
    - scaling or not */
-#define SDL_HAVE_BLIT_AUTO              1
+#ifndef SDL_HAVE_BLIT_AUTO
+#define SDL_HAVE_BLIT_AUTO              !SDL_LEAN_AND_MEAN
+#endif
 
 /* Run-Length-Encoding
    - SDL_SetColorKey() called with SDL_RLEACCEL flag */
-#define SDL_HAVE_RLE                    1
+#ifndef SDL_HAVE_RLE
+#define SDL_HAVE_RLE                    !SDL_LEAN_AND_MEAN
+#endif
 
 /* Software SDL_Renderer
    - creation of software renderer
    - *not* general blitting functions
    - {blend,draw}{fillrect,line,point} internal functions */
-#define SDL_VIDEO_RENDER_SW             1
+#ifndef SDL_VIDEO_RENDER_SW
+#define SDL_VIDEO_RENDER_SW             !SDL_LEAN_AND_MEAN
+#endif
 
 /* YUV formats
    - handling of YUV surfaces
    - blitting and conversion functions */
-#define SDL_HAVE_YUV                    1
+#ifndef SDL_HAVE_YUV
+#define SDL_HAVE_YUV                    !SDL_LEAN_AND_MEAN
+#endif
 
 #endif /* SDL_internal_h_ */
 

diff --git a/src/render/SDL_render.c b/src/render/SDL_render.c
@@ -1426,6 +1426,7 @@ SDL_GetTextureScaleMode(SDL_Texture * texture, SDL_ScaleMode *scaleMode)
     return 0;
 }
 
+#if SDL_HAVE_YUV
 static int
 SDL_UpdateTextureYUV(SDL_Texture * texture, const SDL_Rect * rect,
                      const void *pixels, int pitch)
@@ -1471,6 +1472,7 @@ SDL_UpdateTextureYUV(SDL_Texture * texture, const SDL_Rect * rect,
     }
     return 0;
 }
+#endif /* SDL_HAVE_YUV */
 
 static int
 SDL_UpdateTextureNative(SDL_Texture * texture, const SDL_Rect * rect,
@@ -1553,6 +1555,7 @@ SDL_UpdateTexture(SDL_Texture * texture, const SDL_Rect * rect,
     }
 }
 
+#if SDL_HAVE_YUV
 static int
 SDL_UpdateTextureYUVPlanar(SDL_Texture * texture, const SDL_Rect * rect,
                            const Uint8 *Yplane, int Ypitch,
@@ -1604,6 +1607,7 @@ SDL_UpdateTextureYUVPlanar(SDL_Texture * texture, const SDL_Rect * rect,
     }
     return 0;
 }
+#endif /* SDL_HAVE_YUV */
 
 int SDL_UpdateYUVTexture(SDL_Texture * texture, const SDL_Rect * rect,
                          const Uint8 *Yplane, int Ypitch,
@@ -1672,12 +1676,14 @@ int SDL_UpdateYUVTexture(SDL_Texture * texture, const SDL_Rect * rect,
 #endif
 }
 
+#if SDL_HAVE_YUV
 static int
 SDL_LockTextureYUV(SDL_Texture * texture, const SDL_Rect * rect,
                    void **pixels, int *pitch)
 {
     return SDL_SW_LockYUVTexture(texture->yuv, rect, pixels, pitch);
 }
+#endif /* SDL_HAVE_YUV */
 
 static int
 SDL_LockTextureNative(SDL_Texture * texture, const SDL_Rect * rect,
@@ -1767,6 +1773,7 @@ SDL_LockTextureToSurface(SDL_Texture *texture, const SDL_Rect *rect,
     return 0;
 }
 
+#if SDL_HAVE_YUV
 static void
 SDL_UnlockTextureYUV(SDL_Texture * texture)
 {
@@ -1787,6 +1794,7 @@ SDL_UnlockTextureYUV(SDL_Texture * texture)
                         rect.w, rect.h, native_pixels, native_pitch);
     SDL_UnlockTexture(native);
 }
+#endif /* SDL_HAVE_YUV */
 
 static void
 SDL_UnlockTextureNative(SDL_Texture * texture)

diff --git a/src/render/SDL_yuv_sw.c b/src/render/SDL_yuv_sw.c
@@ -22,6 +22,8 @@
 
 /* This is the software implementation of the YUV texture support */
 
+#if SDL_HAVE_YUV
+
 #include "SDL_assert.h"
 
 #include "SDL_yuv_sw_c.h"
@@ -411,4 +413,6 @@ SDL_SW_DestroyYUVTexture(SDL_SW_YUVTexture * swdata)
     }
 }
 
+#endif /* SDL_HAVE_YUV */
+
 /* vi: set ts=4 sw=4 expandtab: */
diff --git a/src/render/software/SDL_blendfillrect.c b/src/render/software/SDL_blendfillrect.c
@@ -20,7 +20,7 @@
 */
 #include "../../SDL_internal.h"
 
-#if !SDL_RENDER_DISABLED
+#if SDL_VIDEO_RENDER_SW && !SDL_RENDER_DISABLED
 
 #include "SDL_draw.h"
 #include "SDL_blendfillrect.h"
@@ -352,6 +352,6 @@ SDL_BlendFillRects(SDL_Surface * dst, const SDL_Rect * rects, int count,
     return status;
 }
 
-#endif /* !SDL_RENDER_DISABLED */
+#endif /* SDL_VIDEO_RENDER_SW && !SDL_RENDER_DISABLED */
 
 /* vi: set ts=4 sw=4 expandtab: */
diff --git a/src/render/software/SDL_blendline.c b/src/render/software/SDL_blendline.c
@@ -20,7 +20,7 @@
 */
 #include "../../SDL_internal.h"
 
-#if !SDL_RENDER_DISABLED
+#if SDL_VIDEO_RENDER_SW && !SDL_RENDER_DISABLED
 
 #include "SDL_draw.h"
 #include "SDL_blendline.h"
@@ -870,6 +870,6 @@ SDL_BlendLines(SDL_Surface * dst, const SDL_Point * points, int count,
     return 0;
 }
 
-#endif /* !SDL_RENDER_DISABLED */
+#endif /* SDL_VIDEO_RENDER_SW && !SDL_RENDER_DISABLED */
 
 /* vi: set ts=4 sw=4 expandtab: */
diff --git a/src/render/software/SDL_blendpoint.c b/src/render/software/SDL_blendpoint.c
@@ -20,7 +20,7 @@
 */
 #include "../../SDL_internal.h"
 
-#if !SDL_RENDER_DISABLED
+#if SDL_VIDEO_RENDER_SW && !SDL_RENDER_DISABLED
 
 #include "SDL_draw.h"
 #include "SDL_blendpoint.h"
@@ -357,6 +357,6 @@ SDL_BlendPoints(SDL_Surface * dst, const SDL_Point * points, int count,
     return status;
 }
 
-#endif /* !SDL_RENDER_DISABLED */
+#endif /* SDL_VIDEO_RENDER_SW && !SDL_RENDER_DISABLED */
 
 /* vi: set ts=4 sw=4 expandtab: */
diff --git a/src/render/software/SDL_drawline.c b/src/render/software/SDL_drawline.c
@@ -20,7 +20,7 @@
 */
 #include "../../SDL_internal.h"
 
-#if !SDL_RENDER_DISABLED
+#if SDL_VIDEO_RENDER_SW && !SDL_RENDER_DISABLED
 
 #include "SDL_draw.h"
 #include "SDL_drawline.h"
@@ -204,6 +204,6 @@ SDL_DrawLines(SDL_Surface * dst, const SDL_Point * points, int count,
     return 0;
 }
 
-#endif /* !SDL_RENDER_DISABLED */
+#endif /* SDL_VIDEO_RENDER_SW && !SDL_RENDER_DISABLED */
 
 /* vi: set ts=4 sw=4 expandtab: */
diff --git a/src/render/software/SDL_drawpoint.c b/src/render/software/SDL_drawpoint.c
@@ -20,7 +20,7 @@
 */
 #include "../../SDL_internal.h"
 
-#if !SDL_RENDER_DISABLED
+#if SDL_VIDEO_RENDER_SW && !SDL_RENDER_DISABLED
 
 #include "SDL_draw.h"
 #include "SDL_drawpoint.h"
@@ -109,6 +109,6 @@ SDL_DrawPoints(SDL_Surface * dst, const SDL_Point * points, int count,
     return 0;
 }
 
-#endif /* !SDL_RENDER_DISABLED */
+#endif /* SDL_VIDEO_RENDER_SW && !SDL_RENDER_DISABLED */
 
 /* vi: set ts=4 sw=4 expandtab: */
diff --git a/src/render/software/SDL_render_sw.c b/src/render/software/SDL_render_sw.c
@@ -20,7 +20,7 @@
 */
 #include "../../SDL_internal.h"
 
-#if !SDL_RENDER_DISABLED
+#if SDL_VIDEO_RENDER_SW && !SDL_RENDER_DISABLED
 
 #include "../SDL_sysrender.h"
 #include "SDL_render_sw_c.h"
@@ -889,6 +889,6 @@ SDL_RenderDriver SW_RenderDriver = {
      0}
 };
 
-#endif /* !SDL_RENDER_DISABLED */
+#endif /* SDL_VIDEO_RENDER_SW && !SDL_RENDER_DISABLED */
 
 /* vi: set ts=4 sw=4 expandtab: */
diff --git a/src/render/software/SDL_rotate.c b/src/render/software/SDL_rotate.c
@@ -30,6 +30,8 @@ Andreas Schiffler -- aschiffler at ferzkopp dot net
 */
 #include "../../SDL_internal.h"
 
+#if SDL_VIDEO_RENDER_SW && !SDL_RENDER_DISABLED
+
 #if defined(__WIN32__)
 #include "../../core/windows/SDL_windows.h"
 #endif
@@ -532,3 +534,5 @@ SDLgfx_rotateSurface(SDL_Surface * src, double angle, int centerx, int centery,
     /* Return rotated surface */
     return rz_dst;
 }
+
+#endif /* SDL_VIDEO_RENDER_SW && !SDL_RENDER_DISABLED */
diff --git a/src/video/SDL_RLEaccel.c b/src/video/SDL_RLEaccel.c
@@ -20,6 +20,8 @@
 */
 #include "../SDL_internal.h"
 
+#if SDL_HAVE_RLE
+
 /*
  * RLE encoding for software colorkey and alpha-channel acceleration
  *
@@ -1584,4 +1586,6 @@ SDL_UnRLESurface(SDL_Surface * surface, int recode)
     }
 }
 
+#endif /* SDL_HAVE_RLE */
+
 /* vi: set ts=4 sw=4 expandtab: */
diff --git a/src/video/SDL_blit.c b/src/video/SDL_blit.c
@@ -99,6 +99,8 @@ SDL_SoftBlit(SDL_Surface * src, SDL_Rect * srcrect,
     return (okay ? 0 : -1);
 }
 
+#if SDL_HAVE_BLIT_AUTO
+
 #ifdef __MACOSX__
 #include <sys/sysctl.h>
 
@@ -187,6 +189,7 @@ SDL_ChooseBlitFunc(Uint32 src_format, Uint32 dst_format, int flags,
     }
     return NULL;
 }
+#endif /* SDL_HAVE_BLIT_AUTO */
 
 /* Figure out which of many blit routines to set up on a surface */
 int

diff --git a/src/video/SDL_blit_0.c b/src/video/SDL_blit_0.c
@@ -20,6 +20,8 @@
 */
 #include "../SDL_internal.h"
 
+#if SDL_HAVE_BLIT_0
+
 #include "SDL_video.h"
 #include "SDL_blit.h"
 
@@ -480,4 +482,6 @@ SDL_CalculateBlit0(SDL_Surface * surface)
     return (SDL_BlitFunc) NULL;
 }
 
+#endif /* SDL_HAVE_BLIT_0 */
+
 /* vi: set ts=4 sw=4 expandtab: */
diff --git a/src/video/SDL_blit_1.c b/src/video/SDL_blit_1.c
@@ -20,6 +20,8 @@
 */
 #include "../SDL_internal.h"
 
+#if SDL_HAVE_BLIT_1
+
 #include "SDL_video.h"
 #include "SDL_blit.h"
 #include "SDL_sysvideo.h"
@@ -549,4 +551,6 @@ SDL_CalculateBlit1(SDL_Surface * surface)
     return (SDL_BlitFunc) NULL;
 }
 
+#endif /* SDL_HAVE_BLIT_1 */
+
 /* vi: set ts=4 sw=4 expandtab: */
diff --git a/src/video/SDL_blit_A.c b/src/video/SDL_blit_A.c
@@ -20,6 +20,8 @@
 */
 #include "../SDL_internal.h"
 
+#if SDL_HAVE_BLIT_A
+
 #include "SDL_video.h"
 #include "SDL_blit.h"
 
@@ -1489,4 +1491,6 @@ SDL_CalculateBlitA(SDL_Surface * surface)
     return NULL;
 }
 
+#endif /* SDL_HAVE_BLIT_A */
+
 /* vi: set ts=4 sw=4 expandtab: */
diff --git a/src/video/SDL_blit_N.c b/src/video/SDL_blit_N.c
@@ -20,6 +20,8 @@
 */
 #include "../SDL_internal.h"
 
+#if SDL_HAVE_BLIT_N
+
 #include "SDL_video.h"
 #include "SDL_endian.h"
 #include "SDL_cpuinfo.h"
@@ -1450,6 +1452,8 @@ Blit_RGB888_RGB565(SDL_BlitInfo * info)
 }
 
 
+#if SDL_HAVE_BLIT_N_RGB565
+
 /* Special optimized blit for RGB 5-6-5 --> 32-bit RGB surfaces */
 #define RGB565_32(dst, src, map) (map[src[LO]*2] + map[src[HI]*2+1])
 static void
@@ -2068,6 +2072,8 @@ Blit_RGB565_BGRA8888(SDL_BlitInfo * info)
     Blit_RGB565_32(info, RGB565_BGRA8888_LUT);
 }
 
+#endif /* SDL_HAVE_BLIT_N_RGB565 */
+
 static void
 BlitNto1(SDL_BlitInfo * info)
 {
@@ -3461,4 +3467,6 @@ SDL_CalculateBlitN(SDL_Surface * surface)
     return NULL;
 }
 
+#endif /* SDL_HAVE_BLIT_N */
+
 /* vi: set ts=4 sw=4 expandtab: */