Fixed bug 2556 - add compilation flag -Wshadow Sylvain here's the full patch for Blit + RLE.
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diff --git a/configure b/configure
index 799d175..efca355 100755
--- a/configure
+++ b/configure
@@ -23374,7 +23374,7 @@ $as_echo "#define SDL_FILESYSTEM_NACL 1" >>confdefs.h
esac
CheckWarnAll
-#CheckWarnShadow
+CheckWarnShadow
# Verify that we have all the platform specific files we need
diff --git a/configure.in b/configure.in
index 2ea3818..e0dfac1 100644
--- a/configure.in
+++ b/configure.in
@@ -3238,7 +3238,7 @@ esac
dnl Do this on all platforms, after everything else.
CheckWarnAll
-#CheckWarnShadow
+CheckWarnShadow
# Verify that we have all the platform specific files we need
diff --git a/src/thread/SDL_thread.c b/src/thread/SDL_thread.c
index 6cd9333..3724f4f 100644
--- a/src/thread/SDL_thread.c
+++ b/src/thread/SDL_thread.c
@@ -442,10 +442,10 @@ SDL_DetachThread(SDL_Thread * thread)
SDL_SYS_DetachThread(thread);
} else {
/* all other states are pretty final, see where we landed. */
- const int state = SDL_AtomicGet(&thread->state);
- if ((state == SDL_THREAD_STATE_DETACHED) || (state == SDL_THREAD_STATE_CLEANED)) {
+ const int thread_state = SDL_AtomicGet(&thread->state);
+ if ((thread_state == SDL_THREAD_STATE_DETACHED) || (thread_state == SDL_THREAD_STATE_CLEANED)) {
return; /* already detached (you shouldn't call this twice!) */
- } else if (state == SDL_THREAD_STATE_ZOMBIE) {
+ } else if (thread_state == SDL_THREAD_STATE_ZOMBIE) {
SDL_WaitThread(thread, NULL); /* already done, clean it up. */
} else {
SDL_assert(0 && "Unexpected thread state");
diff --git a/src/video/SDL_RLEaccel.c b/src/video/SDL_RLEaccel.c
index a464dec..5829367 100644
--- a/src/video/SDL_RLEaccel.c
+++ b/src/video/SDL_RLEaccel.c
@@ -376,10 +376,10 @@
* right. Top clipping has already been taken care of.
*/
static void
-RLEClipBlit(int w, Uint8 * srcbuf, SDL_Surface * dst,
+RLEClipBlit(int w, Uint8 * srcbuf, SDL_Surface * surf_dst,
Uint8 * dstbuf, SDL_Rect * srcrect, unsigned alpha)
{
- SDL_PixelFormat *fmt = dst->format;
+ SDL_PixelFormat *fmt = surf_dst->format;
#define RLECLIPBLIT(bpp, Type, do_blit) \
do { \
@@ -418,7 +418,7 @@ RLEClipBlit(int w, Uint8 * srcbuf, SDL_Surface * dst,
break; \
if(ofs == w) { \
ofs = 0; \
- dstbuf += dst->pitch; \
+ dstbuf += surf_dst->pitch; \
if(!--linecount) \
break; \
} \
@@ -434,18 +434,18 @@ RLEClipBlit(int w, Uint8 * srcbuf, SDL_Surface * dst,
/* blit a colorkeyed RLE surface */
int
-SDL_RLEBlit(SDL_Surface * src, SDL_Rect * srcrect,
- SDL_Surface * dst, SDL_Rect * dstrect)
+SDL_RLEBlit(SDL_Surface * surf_src, SDL_Rect * srcrect,
+ SDL_Surface * surf_dst, SDL_Rect * dstrect)
{
Uint8 *dstbuf;
Uint8 *srcbuf;
int x, y;
- int w = src->w;
+ int w = surf_src->w;
unsigned alpha;
/* Lock the destination if necessary */
- if (SDL_MUSTLOCK(dst)) {
- if (SDL_LockSurface(dst) < 0) {
+ if (SDL_MUSTLOCK(surf_dst)) {
+ if (SDL_LockSurface(surf_dst) < 0) {
return (-1);
}
}
@@ -453,9 +453,9 @@ SDL_RLEBlit(SDL_Surface * src, SDL_Rect * srcrect,
/* Set up the source and destination pointers */
x = dstrect->x;
y = dstrect->y;
- dstbuf = (Uint8 *) dst->pixels
- + y * dst->pitch + x * src->format->BytesPerPixel;
- srcbuf = (Uint8 *) src->map->data;
+ dstbuf = (Uint8 *) surf_dst->pixels
+ + y * surf_dst->pitch + x * surf_src->format->BytesPerPixel;
+ srcbuf = (Uint8 *) surf_src->map->data;
{
/* skip lines at the top if necessary */
@@ -481,7 +481,7 @@ SDL_RLEBlit(SDL_Surface * src, SDL_Rect * srcrect,
} \
}
- switch (src->format->BytesPerPixel) {
+ switch (surf_src->format->BytesPerPixel) {
case 1:
RLESKIP(1, Uint8);
break;
@@ -501,12 +501,12 @@ SDL_RLEBlit(SDL_Surface * src, SDL_Rect * srcrect,
}
}
- alpha = src->map->info.a;
+ alpha = surf_src->map->info.a;
/* if left or right edge clipping needed, call clip blit */
- if (srcrect->x || srcrect->w != src->w) {
- RLEClipBlit(w, srcbuf, dst, dstbuf, srcrect, alpha);
+ if (srcrect->x || srcrect->w != surf_src->w) {
+ RLEClipBlit(w, srcbuf, surf_dst, dstbuf, srcrect, alpha);
} else {
- SDL_PixelFormat *fmt = src->format;
+ SDL_PixelFormat *fmt = surf_src->format;
#define RLEBLIT(bpp, Type, do_blit) \
do { \
@@ -525,7 +525,7 @@ SDL_RLEBlit(SDL_Surface * src, SDL_Rect * srcrect,
break; \
if(ofs == w) { \
ofs = 0; \
- dstbuf += dst->pitch; \
+ dstbuf += surf_dst->pitch; \
if(!--linecount) \
break; \
} \
@@ -539,8 +539,8 @@ SDL_RLEBlit(SDL_Surface * src, SDL_Rect * srcrect,
done:
/* Unlock the destination if necessary */
- if (SDL_MUSTLOCK(dst)) {
- SDL_UnlockSurface(dst);
+ if (SDL_MUSTLOCK(surf_dst)) {
+ SDL_UnlockSurface(surf_dst);
}
return (0);
}
@@ -620,10 +620,10 @@ typedef struct
/* blit a pixel-alpha RLE surface clipped at the right and/or left edges */
static void
-RLEAlphaClipBlit(int w, Uint8 * srcbuf, SDL_Surface * dst,
+RLEAlphaClipBlit(int w, Uint8 * srcbuf, SDL_Surface * surf_dst,
Uint8 * dstbuf, SDL_Rect * srcrect)
{
- SDL_PixelFormat *df = dst->format;
+ SDL_PixelFormat *df = surf_dst->format;
/*
* clipped blitter: Ptype is the destination pixel type,
* Ctype the translucent count type, and do_blend the macro
@@ -693,7 +693,7 @@ RLEAlphaClipBlit(int w, Uint8 * srcbuf, SDL_Surface * dst,
ofs += run; \
} \
} while(ofs < w); \
- dstbuf += dst->pitch; \
+ dstbuf += surf_dst->pitch; \
} while(--linecount); \
} while(0)
@@ -712,25 +712,25 @@ RLEAlphaClipBlit(int w, Uint8 * srcbuf, SDL_Surface * dst,
/* blit a pixel-alpha RLE surface */
int
-SDL_RLEAlphaBlit(SDL_Surface * src, SDL_Rect * srcrect,
- SDL_Surface * dst, SDL_Rect * dstrect)
+SDL_RLEAlphaBlit(SDL_Surface * surf_src, SDL_Rect * srcrect,
+ SDL_Surface * surf_dst, SDL_Rect * dstrect)
{
int x, y;
- int w = src->w;
+ int w = surf_src->w;
Uint8 *srcbuf, *dstbuf;
- SDL_PixelFormat *df = dst->format;
+ SDL_PixelFormat *df = surf_dst->format;
/* Lock the destination if necessary */
- if (SDL_MUSTLOCK(dst)) {
- if (SDL_LockSurface(dst) < 0) {
+ if (SDL_MUSTLOCK(surf_dst)) {
+ if (SDL_LockSurface(surf_dst) < 0) {
return -1;
}
}
x = dstrect->x;
y = dstrect->y;
- dstbuf = (Uint8 *) dst->pixels + y * dst->pitch + x * df->BytesPerPixel;
- srcbuf = (Uint8 *) src->map->data + sizeof(RLEDestFormat);
+ dstbuf = (Uint8 *) surf_dst->pixels + y * surf_dst->pitch + x * df->BytesPerPixel;
+ srcbuf = (Uint8 *) surf_src->map->data + sizeof(RLEDestFormat);
{
/* skip lines at the top if necessary */
@@ -789,8 +789,8 @@ SDL_RLEAlphaBlit(SDL_Surface * src, SDL_Rect * srcrect,
}
/* if left or right edge clipping needed, call clip blit */
- if (srcrect->x || srcrect->w != src->w) {
- RLEAlphaClipBlit(w, srcbuf, dst, dstbuf, srcrect);
+ if (srcrect->x || srcrect->w != surf_src->w) {
+ RLEAlphaClipBlit(w, srcbuf, surf_dst, dstbuf, srcrect);
} else {
/*
@@ -839,7 +839,7 @@ SDL_RLEAlphaBlit(SDL_Surface * src, SDL_Rect * srcrect,
ofs += run; \
} \
} while(ofs < w); \
- dstbuf += dst->pitch; \
+ dstbuf += surf_dst->pitch; \
} while(--linecount); \
} while(0)
@@ -859,8 +859,8 @@ SDL_RLEAlphaBlit(SDL_Surface * src, SDL_Rect * srcrect,
done:
/* Unlock the destination if necessary */
- if (SDL_MUSTLOCK(dst)) {
- SDL_UnlockSurface(dst);
+ if (SDL_MUSTLOCK(surf_dst)) {
+ SDL_UnlockSurface(surf_dst);
}
return 0;
}
diff --git a/src/video/SDL_blit.h b/src/video/SDL_blit.h
index caf6c00..f12018d 100644
--- a/src/video/SDL_blit.h
+++ b/src/video/SDL_blit.h
@@ -402,18 +402,18 @@ do { \
{ \
switch (bpp) { \
case 1: { \
- Uint8 Pixel; \
+ Uint8 _pixel; \
\
- PIXEL_FROM_RGBA(Pixel, fmt, r, g, b, a); \
- *((Uint8 *)(buf)) = Pixel; \
+ PIXEL_FROM_RGBA(_pixel, fmt, r, g, b, a); \
+ *((Uint8 *)(buf)) = _pixel; \
} \
break; \
\
case 2: { \
- Uint16 Pixel; \
+ Uint16 _pixel; \
\
- PIXEL_FROM_RGBA(Pixel, fmt, r, g, b, a); \
- *((Uint16 *)(buf)) = Pixel; \
+ PIXEL_FROM_RGBA(_pixel, fmt, r, g, b, a); \
+ *((Uint16 *)(buf)) = _pixel; \
} \
break; \
\
@@ -431,10 +431,10 @@ do { \
break; \
\
case 4: { \
- Uint32 Pixel; \
+ Uint32 _pixel; \
\
- PIXEL_FROM_RGBA(Pixel, fmt, r, g, b, a); \
- *((Uint32 *)(buf)) = Pixel; \
+ PIXEL_FROM_RGBA(_pixel, fmt, r, g, b, a); \
+ *((Uint32 *)(buf)) = _pixel; \
} \
break; \
} \
diff --git a/src/video/SDL_video.c b/src/video/SDL_video.c
index dc6cf37..11492f6 100644
--- a/src/video/SDL_video.c
+++ b/src/video/SDL_video.c
@@ -232,16 +232,13 @@ ShouldUseTextureFramebuffer()
}
static int
-SDL_CreateWindowTexture(_THIS, SDL_Window * window, Uint32 * format, void ** pixels, int *pitch)
+SDL_CreateWindowTexture(SDL_VideoDevice *unused, SDL_Window * window, Uint32 * format, void ** pixels, int *pitch)
{
SDL_WindowTextureData *data;
- SDL_RendererInfo info;
- Uint32 i;
data = SDL_GetWindowData(window, SDL_WINDOWTEXTUREDATA);
if (!data) {
SDL_Renderer *renderer = NULL;
- SDL_RendererInfo info;
int i;
const char *hint = SDL_GetHint(SDL_HINT_FRAMEBUFFER_ACCELERATION);
@@ -249,6 +246,7 @@ SDL_CreateWindowTexture(_THIS, SDL_Window * window, Uint32 * format, void ** pix
if (hint && *hint != '0' && *hint != '1' &&
SDL_strcasecmp(hint, "software") != 0) {
for (i = 0; i < SDL_GetNumRenderDrivers(); ++i) {
+ SDL_RendererInfo info;
SDL_GetRenderDriverInfo(i, &info);
if (SDL_strcasecmp(info.name, hint) == 0) {
renderer = SDL_CreateRenderer(window, i, 0);
@@ -259,6 +257,7 @@ SDL_CreateWindowTexture(_THIS, SDL_Window * window, Uint32 * format, void ** pix
if (!renderer) {
for (i = 0; i < SDL_GetNumRenderDrivers(); ++i) {
+ SDL_RendererInfo info;
SDL_GetRenderDriverInfo(i, &info);
if (SDL_strcmp(info.name, "software") != 0) {
renderer = SDL_CreateRenderer(window, i, 0);
@@ -291,17 +290,23 @@ SDL_CreateWindowTexture(_THIS, SDL_Window * window, Uint32 * format, void ** pix
SDL_free(data->pixels);
data->pixels = NULL;
- if (SDL_GetRendererInfo(data->renderer, &info) < 0) {
- return -1;
- }
+ {
+ SDL_RendererInfo info;
+ Uint32 i;
- /* Find the first format without an alpha channel */
- *format = info.texture_formats[0];
- for (i = 0; i < info.num_texture_formats; ++i) {
- if (!SDL_ISPIXELFORMAT_FOURCC(info.texture_formats[i]) &&
- !SDL_ISPIXELFORMAT_ALPHA(info.texture_formats[i])) {
- *format = info.texture_formats[i];
- break;
+ if (SDL_GetRendererInfo(data->renderer, &info) < 0) {
+ return -1;
+ }
+
+ /* Find the first format without an alpha channel */
+ *format = info.texture_formats[0];
+
+ for (i = 0; i < info.num_texture_formats; ++i) {
+ if (!SDL_ISPIXELFORMAT_FOURCC(info.texture_formats[i]) &&
+ !SDL_ISPIXELFORMAT_ALPHA(info.texture_formats[i])) {
+ *format = info.texture_formats[i];
+ break;
+ }
}
}
@@ -330,7 +335,7 @@ SDL_CreateWindowTexture(_THIS, SDL_Window * window, Uint32 * format, void ** pix
}
static int
-SDL_UpdateWindowTexture(_THIS, SDL_Window * window, const SDL_Rect * rects, int numrects)
+SDL_UpdateWindowTexture(SDL_VideoDevice *unused, SDL_Window * window, const SDL_Rect * rects, int numrects)
{
SDL_WindowTextureData *data;
SDL_Rect rect;
@@ -360,7 +365,7 @@ SDL_UpdateWindowTexture(_THIS, SDL_Window * window, const SDL_Rect * rects, int
}
static void
-SDL_DestroyWindowTexture(_THIS, SDL_Window * window)
+SDL_DestroyWindowTexture(SDL_VideoDevice *unused, SDL_Window * window)
{
SDL_WindowTextureData *data;
diff --git a/src/video/x11/SDL_x11modes.c b/src/video/x11/SDL_x11modes.c
index 6336f0c..cd7b38c 100644
--- a/src/video/x11/SDL_x11modes.c
+++ b/src/video/x11/SDL_x11modes.c
@@ -674,7 +674,6 @@ X11_GetDisplayModes(_THIS, SDL_VideoDisplay * sdl_display)
int screen_w;
int screen_h;
SDL_DisplayMode mode;
- SDL_DisplayModeData *modedata;
/* Unfortunately X11 requires the window to be created with the correct
* visual and depth ahead of time, but the SDL API allows you to create
@@ -692,6 +691,7 @@ X11_GetDisplayModes(_THIS, SDL_VideoDisplay * sdl_display)
if (data->use_xinerama) {
if (data->use_vidmode && !data->xinerama_info.x_org && !data->xinerama_info.y_org &&
(screen_w > data->xinerama_info.width || screen_h > data->xinerama_info.height)) {
+ SDL_DisplayModeData *modedata;
/* Add the full (both screens combined) xinerama mode only on the display that starts at 0,0
* if we're using vidmode.
*/
@@ -707,6 +707,7 @@ X11_GetDisplayModes(_THIS, SDL_VideoDisplay * sdl_display)
}
else if (!data->use_xrandr)
{
+ SDL_DisplayModeData *modedata;
/* Add the current mode of each monitor otherwise if we can't get them from xrandr */
mode.w = data->xinerama_info.width;
mode.h = data->xinerama_info.height;
@@ -759,6 +760,7 @@ X11_GetDisplayModes(_THIS, SDL_VideoDisplay * sdl_display)
if (data->use_vidmode &&
X11_XF86VidModeGetAllModeLines(display, data->vidmode_screen, &nmodes, &modes)) {
int i;
+ SDL_DisplayModeData *modedata;
#ifdef X11MODES_DEBUG
printf("VidMode modes: (unsorted)\n");
@@ -787,6 +789,7 @@ X11_GetDisplayModes(_THIS, SDL_VideoDisplay * sdl_display)
#endif /* SDL_VIDEO_DRIVER_X11_XVIDMODE */
if (!data->use_xrandr && !data->use_vidmode) {
+ SDL_DisplayModeData *modedata;
/* Add the desktop mode */
mode = sdl_display->desktop_mode;
modedata = (SDL_DisplayModeData *) SDL_calloc(1, sizeof(SDL_DisplayModeData));
diff --git a/src/video/x11/edid-parse.c b/src/video/x11/edid-parse.c
index 8608bf2..2c145e2 100644
--- a/src/video/x11/edid-parse.c
+++ b/src/video/x11/edid-parse.c
@@ -548,7 +548,6 @@ yesno (int v)
void
dump_monitor_info (MonitorInfo *info)
{
- char *s;
int i;
printf ("Checksum: %d (%s)\n",
@@ -601,6 +600,7 @@ dump_monitor_info (MonitorInfo *info)
}
else
{
+ const char *s;
printf ("Video Signal Level: %f\n", info->analog.video_signal_level);
printf ("Sync Signal Level: %f\n", info->analog.sync_signal_level);
printf ("Total Signal Level: %f\n", info->analog.total_signal_level);