# HG changeset patch
# User Sam Lantinga <slouken@libsdl.org>
# Date 1261122119 0
# Node ID c8bed77b03863ba36a5ffd8dd6bccf6466ea8bb5
# Parent  b931bcfd94a06fd009926233e1758de5e1f33a99
Added SDL_DrawRect(), SDL_DrawRects(), SDL_BlendRect() and SDL_BlendRects()
Fixed line drawing so when blending a sequence of lines there are no overlapping pixels drawn.

diff -r b931bcfd94a0 -r c8bed77b0386 src/video/SDL_blendfillrect.c
--- a/src/video/SDL_blendfillrect.c	Fri Dec 18 07:03:09 2009 +0000
+++ b/src/video/SDL_blendfillrect.c	Fri Dec 18 07:41:59 2009 +0000
@@ -203,11 +203,6 @@
         return -1;
     }
 
-    if (blendMode < SDL_BLENDMODE_BLEND) {
-        Uint32 color = SDL_MapRGBA(dst->format, r, g, b, a);
-        return SDL_FillRect(dst, rect, color);
-    }
-
     /* This function doesn't work on surfaces < 8 bpp */
     if (dst->format->BitsPerPixel < 8) {
         SDL_SetError("SDL_BlendFillRect(): Unsupported surface format");
@@ -281,11 +276,6 @@
         return -1;
     }
 
-    if (blendMode < SDL_BLENDMODE_BLEND) {
-        Uint32 color = SDL_MapRGBA(dst->format, r, g, b, a);
-        return SDL_FillRects(dst, rects, color);
-    }
-
     /* This function doesn't work on surfaces < 8 bpp */
     if (dst->format->BitsPerPixel < 8) {
         SDL_SetError("SDL_BlendFillRects(): Unsupported surface format");
diff -r b931bcfd94a0 -r c8bed77b0386 src/video/SDL_blendline.c
--- a/src/video/SDL_blendline.c	Fri Dec 18 07:03:09 2009 +0000
+++ b/src/video/SDL_blendline.c	Fri Dec 18 07:41:59 2009 +0000
@@ -25,22 +25,23 @@
 
 static int
 SDL_BlendLine_RGB555(SDL_Surface * dst, int x1, int y1, int x2, int y2,
-                     int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+                     int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a,
+                     SDL_bool draw_end)
 {
     unsigned inva = 0xff - a;
 
     switch (blendMode) {
     case SDL_BLENDMODE_BLEND:
-        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_BLEND_RGB555);
+        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_BLEND_RGB555, draw_end);
         break;
     case SDL_BLENDMODE_ADD:
-        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_ADD_RGB555);
+        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_ADD_RGB555, draw_end);
         break;
     case SDL_BLENDMODE_MOD:
-        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_MOD_RGB555);
+        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_MOD_RGB555, draw_end);
         break;
     default:
-        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_RGB555);
+        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_RGB555, draw_end);
         break;
     }
     return 0;
@@ -48,22 +49,23 @@
 
 static int
 SDL_BlendLine_RGB565(SDL_Surface * dst, int x1, int y1, int x2, int y2,
-                     int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+                     int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a,
+                     SDL_bool draw_end)
 {
     unsigned inva = 0xff - a;
 
     switch (blendMode) {
     case SDL_BLENDMODE_BLEND:
-        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_BLEND_RGB565);
+        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_BLEND_RGB565, draw_end);
         break;
     case SDL_BLENDMODE_ADD:
-        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_ADD_RGB565);
+        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_ADD_RGB565, draw_end);
         break;
     case SDL_BLENDMODE_MOD:
-        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_MOD_RGB565);
+        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_MOD_RGB565, draw_end);
         break;
     default:
-        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_RGB565);
+        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_RGB565, draw_end);
         break;
     }
     return 0;
@@ -71,22 +73,23 @@
 
 static int
 SDL_BlendLine_RGB888(SDL_Surface * dst, int x1, int y1, int x2, int y2,
-                     int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+                     int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a,
+                     SDL_bool draw_end)
 {
     unsigned inva = 0xff - a;
 
     switch (blendMode) {
     case SDL_BLENDMODE_BLEND:
-        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_BLEND_RGB888);
+        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_BLEND_RGB888, draw_end);
         break;
     case SDL_BLENDMODE_ADD:
-        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_ADD_RGB888);
+        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_ADD_RGB888, draw_end);
         break;
     case SDL_BLENDMODE_MOD:
-        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_MOD_RGB888);
+        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_MOD_RGB888, draw_end);
         break;
     default:
-        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_RGB888);
+        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_RGB888, draw_end);
         break;
     }
     return 0;
@@ -94,22 +97,23 @@
 
 static int
 SDL_BlendLine_ARGB8888(SDL_Surface * dst, int x1, int y1, int x2, int y2,
-                       int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+                       int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a,
+                       SDL_bool draw_end)
 {
     unsigned inva = 0xff - a;
 
     switch (blendMode) {
     case SDL_BLENDMODE_BLEND:
-        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_BLEND_ARGB8888);
+        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_BLEND_ARGB8888, draw_end);
         break;
     case SDL_BLENDMODE_ADD:
-        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_ADD_ARGB8888);
+        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_ADD_ARGB8888, draw_end);
         break;
     case SDL_BLENDMODE_MOD:
-        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_MOD_ARGB8888);
+        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_MOD_ARGB8888, draw_end);
         break;
     default:
-        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_ARGB8888);
+        DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY_ARGB8888, draw_end);
         break;
     }
     return 0;
@@ -117,7 +121,8 @@
 
 static int
 SDL_BlendLine_RGB(SDL_Surface * dst, int x1, int y1, int x2, int y2,
-                  int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+                  int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a,
+                  SDL_bool draw_end)
 {
     SDL_PixelFormat *fmt = dst->format;
     unsigned inva = 0xff - a;
@@ -126,32 +131,32 @@
     case 2:
         switch (blendMode) {
         case SDL_BLENDMODE_BLEND:
-            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY2_BLEND_RGB);
+            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY2_BLEND_RGB, draw_end);
             break;
         case SDL_BLENDMODE_ADD:
-            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY2_ADD_RGB);
+            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY2_ADD_RGB, draw_end);
             break;
         case SDL_BLENDMODE_MOD:
-            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY2_MOD_RGB);
+            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY2_MOD_RGB, draw_end);
             break;
         default:
-            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY2_RGB);
+            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY2_RGB, draw_end);
             break;
         }
         return 0;
     case 4:
         switch (blendMode) {
         case SDL_BLENDMODE_BLEND:
-            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY4_BLEND_RGB);
+            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY4_BLEND_RGB, draw_end);
             break;
         case SDL_BLENDMODE_ADD:
-            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY4_ADD_RGB);
+            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY4_ADD_RGB, draw_end);
             break;
         case SDL_BLENDMODE_MOD:
-            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY4_MOD_RGB);
+            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY4_MOD_RGB, draw_end);
             break;
         default:
-            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY4_RGB);
+            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY4_RGB, draw_end);
             break;
         }
         return 0;
@@ -163,7 +168,8 @@
 
 static int
 SDL_BlendLine_RGBA(SDL_Surface * dst, int x1, int y1, int x2, int y2,
-                   int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+                   int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a,
+                   SDL_bool draw_end)
 {
     SDL_PixelFormat *fmt = dst->format;
     unsigned inva = 0xff - a;
@@ -172,16 +178,16 @@
     case 4:
         switch (blendMode) {
         case SDL_BLENDMODE_BLEND:
-            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY4_BLEND_RGBA);
+            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY4_BLEND_RGBA, draw_end);
             break;
         case SDL_BLENDMODE_ADD:
-            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY4_ADD_RGBA);
+            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY4_ADD_RGBA, draw_end);
             break;
         case SDL_BLENDMODE_MOD:
-            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY4_MOD_RGBA);
+            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY4_MOD_RGBA, draw_end);
             break;
         default:
-            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY4_RGBA);
+            DRAWLINE(x1, y1, x2, y2, DRAW_SETPIXELXY4_RGBA, draw_end);
             break;
         }
         return 0;
@@ -218,14 +224,14 @@
         switch (dst->format->Rmask) {
         case 0x7C00:
             return SDL_BlendLine_RGB555(dst, x1, y1, x2, y2, blendMode, r, g,
-                                        b, a);
+                                        b, a, SDL_TRUE);
         }
         break;
     case 16:
         switch (dst->format->Rmask) {
         case 0xF800:
             return SDL_BlendLine_RGB565(dst, x1, y1, x2, y2, blendMode, r, g,
-                                        b, a);
+                                        b, a, SDL_TRUE);
         }
         break;
     case 32:
@@ -233,10 +239,10 @@
         case 0x00FF0000:
             if (!dst->format->Amask) {
                 return SDL_BlendLine_RGB888(dst, x1, y1, x2, y2, blendMode, r,
-                                            g, b, a);
+                                            g, b, a, SDL_TRUE);
             } else {
                 return SDL_BlendLine_ARGB8888(dst, x1, y1, x2, y2, blendMode,
-                                              r, g, b, a);
+                                              r, g, b, a, SDL_TRUE);
             }
             break;
         }
@@ -246,9 +252,11 @@
     }
 
     if (!dst->format->Amask) {
-        return SDL_BlendLine_RGB(dst, x1, y1, x2, y2, blendMode, r, g, b, a);
+        return SDL_BlendLine_RGB(dst, x1, y1, x2, y2, blendMode,
+                                 r, g, b, a, SDL_TRUE);
     } else {
-        return SDL_BlendLine_RGBA(dst, x1, y1, x2, y2, blendMode, r, g, b, a);
+        return SDL_BlendLine_RGBA(dst, x1, y1, x2, y2, blendMode,
+                                  r, g, b, a, SDL_TRUE);
     }
 }
 
@@ -260,7 +268,8 @@
     int x1, y1;
     int x2, y2;
     int (*func)(SDL_Surface * dst, int x1, int y1, int x2, int y2,
-                int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a) = NULL;
+                int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a,
+                SDL_bool draw_end) = NULL;
     int status = 0;
 
     if (!dst) {
@@ -328,7 +337,10 @@
             continue;
         }
 
-        status = func(dst, x1, y1, x2, y2, blendMode, r, g, b, a);
+        status = func(dst, x1, y1, x2, y2, blendMode, r, g, b, a, SDL_FALSE);
+    }
+    if (points[0].x != points[count-1].x || points[0].y != points[count-1].y) {
+        SDL_BlendPoint(dst, points[count-1].x, points[count-1].y, r, g, b, a);
     }
     return status;
 }
diff -r b931bcfd94a0 -r c8bed77b0386 src/video/SDL_blendrect.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/video/SDL_blendrect.c	Fri Dec 18 07:41:59 2009 +0000
@@ -0,0 +1,75 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2009 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#include "SDL_video.h"
+
+
+int
+SDL_BlendRect(SDL_Surface * dst, const SDL_Rect * rect,
+              int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+    SDL_Rect full_rect;
+    SDL_Point points[5];
+
+    if (!dst) {
+        SDL_SetError("Passed NULL destination surface");
+        return -1;
+    }
+
+    /* If 'rect' == NULL, then outline the whole surface */
+    if (!rect) {
+        full_rect.x = 0;
+        full_rect.y = 0;
+        full_rect.w = dst->w;
+        full_rect.h = dst->h;
+        rect = &full_rect;
+    }
+
+    points[0].x = rect->x;
+    points[0].y = rect->y;
+    points[1].x = rect->x+rect->w-1;
+    points[1].y = rect->y;
+    points[2].x = rect->x+rect->w-1;
+    points[2].y = rect->y+rect->h-1;
+    points[3].x = rect->x;
+    points[3].y = rect->y+rect->h-1;
+    points[4].x = rect->x;
+    points[4].y = rect->y;
+    return SDL_BlendLines(dst, points, 5, blendMode, r, g, b, a);
+}
+
+int
+SDL_BlendRects(SDL_Surface * dst, const SDL_Rect ** rects, int count,
+               int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
+{
+    int i;
+
+    for (i = 0; i < count; ++i) {
+        if (SDL_BlendRect(dst, rects[i], blendMode, r, g, b, a) < 0) {
+            return -1;
+        }
+    }
+    return 0;
+}
+
+/* vi: set ts=4 sw=4 expandtab: */
diff -r b931bcfd94a0 -r c8bed77b0386 src/video/SDL_draw.h
--- a/src/video/SDL_draw.h	Fri Dec 18 07:03:09 2009 +0000
+++ b/src/video/SDL_draw.h	Fri Dec 18 07:41:59 2009 +0000
@@ -283,7 +283,7 @@
 
 #define ABS(_x) ((_x) < 0 ? -(_x) : (_x))
 
-#define BRESENHAM(x1, y1, x2, y2, op) \
+#define BRESENHAM(x1, y1, x2, y2, op, draw_end) \
 { \
     int i, deltax, deltay, numpixels; \
     int d, dinc1, dinc2; \
@@ -325,6 +325,9 @@
     x = x1; \
     y = y1; \
  \
+    if (!draw_end) { \
+        --numpixels; \
+    } \
     for (i = 0; i < numpixels; ++i) { \
         op(x, y); \
         if (d < 0) { \
@@ -338,10 +341,11 @@
         } \
     } \
 }
-#define DRAWLINE(x0, y0, x1, y1, op)	BRESENHAM(x0, y0, x1, y1, op)
+#define DRAWLINE    BRESENHAM
 
 /*
  * Define draw rect macro
+ * (not tested, this level of optimization not needed ... yet?)
  */
 #define DRAWRECT(type, op) \
 do { \
diff -r b931bcfd94a0 -r c8bed77b0386 src/video/SDL_drawline.c
--- a/src/video/SDL_drawline.c	Fri Dec 18 07:03:09 2009 +0000
+++ b/src/video/SDL_drawline.c	Fri Dec 18 07:41:59 2009 +0000
@@ -46,16 +46,16 @@
 
     switch (dst->format->BytesPerPixel) {
     case 1:
-        DRAWLINE(x1, y1, x2, y2, DRAW_FASTSETPIXEL1);
+        DRAWLINE(x1, y1, x2, y2, DRAW_FASTSETPIXEL1, SDL_TRUE);
         break;
     case 2:
-        DRAWLINE(x1, y1, x2, y2, DRAW_FASTSETPIXEL2);
+        DRAWLINE(x1, y1, x2, y2, DRAW_FASTSETPIXEL2, SDL_TRUE);
         break;
     case 3:
         SDL_Unsupported();
         return -1;
     case 4:
-        DRAWLINE(x1, y1, x2, y2, DRAW_FASTSETPIXEL4);
+        DRAWLINE(x1, y1, x2, y2, DRAW_FASTSETPIXEL4, SDL_TRUE);
         break;
     }
     return 0;
@@ -96,16 +96,16 @@
 
         switch (dst->format->BytesPerPixel) {
         case 1:
-            DRAWLINE(x1, y1, x2, y2, DRAW_FASTSETPIXEL1);
+            DRAWLINE(x1, y1, x2, y2, DRAW_FASTSETPIXEL1, SDL_TRUE);
             break;
         case 2:
-            DRAWLINE(x1, y1, x2, y2, DRAW_FASTSETPIXEL2);
+            DRAWLINE(x1, y1, x2, y2, DRAW_FASTSETPIXEL2, SDL_TRUE);
             break;
         case 3:
             SDL_Unsupported();
             return -1;
         case 4:
-            DRAWLINE(x1, y1, x2, y2, DRAW_FASTSETPIXEL4);
+            DRAWLINE(x1, y1, x2, y2, DRAW_FASTSETPIXEL4, SDL_TRUE);
             break;
         }
     }
diff -r b931bcfd94a0 -r c8bed77b0386 src/video/SDL_drawrect.c
--- a/src/video/SDL_drawrect.c	Fri Dec 18 07:03:09 2009 +0000
+++ b/src/video/SDL_drawrect.c	Fri Dec 18 07:41:59 2009 +0000
@@ -22,398 +22,39 @@
 #include "SDL_config.h"
 
 #include "SDL_video.h"
-#include "SDL_blit.h"
 
 
-#ifdef __SSE__
-/* *INDENT-OFF* */
-
-#ifdef _MSC_VER
-#define SSE_BEGIN \
-    __m128 c128; \
-    c128.m128_u32[0] = color; \
-    c128.m128_u32[1] = color; \
-    c128.m128_u32[2] = color; \
-    c128.m128_u32[3] = color;
-#else
-#define SSE_BEGIN \
-    DECLARE_ALIGNED(Uint32, cccc[4], 16); \
-    cccc[0] = color; \
-    cccc[1] = color; \
-    cccc[2] = color; \
-    cccc[3] = color; \
-    __m128 c128 = *(__m128 *)cccc;
-#endif
-
-#define SSE_WORK \
-    for (i = n / 64; i--;) { \
-        _mm_stream_ps((float *)(p+0), c128); \
-        _mm_stream_ps((float *)(p+16), c128); \
-        _mm_stream_ps((float *)(p+32), c128); \
-        _mm_stream_ps((float *)(p+48), c128); \
-        p += 64; \
-    }
-
-#define SSE_END
-
-#define DEFINE_SSE_FILLRECT(bpp, type) \
-static void \
-SDL_DrawRect##bpp##SSE(Uint8 *pixels, int pitch, Uint32 color, int w, int h) \
-{ \
-    SSE_BEGIN; \
- \
-    while (h--) { \
-        int i, n = w * bpp; \
-        Uint8 *p = pixels; \
- \
-        if (n > 63) { \
-            int adjust = 16 - ((uintptr_t)p & 15); \
-            if (adjust < 16) { \
-                n -= adjust; \
-                adjust /= bpp; \
-                while (adjust--) { \
-                    *((type *)p) = (type)color; \
-                    p += bpp; \
-                } \
-            } \
-            SSE_WORK; \
-        } \
-        if (n & 63) { \
-            int remainder = (n & 63); \
-            remainder /= bpp; \
-            while (remainder--) { \
-                *((type *)p) = (type)color; \
-                p += bpp; \
-            } \
-        } \
-        pixels += pitch; \
-    } \
- \
-    SSE_END; \
-}
-
-static void
-SDL_DrawRect1SSE(Uint8 *pixels, int pitch, Uint32 color, int w, int h)
-{
-    SSE_BEGIN;
-
-    while (h--) {
-        int i, n = w;
-        Uint8 *p = pixels;
-
-        if (n > 63) {
-            int adjust = 16 - ((uintptr_t)p & 15);
-            if (adjust) {
-                n -= adjust;
-                SDL_memset(p, color, adjust);
-                p += adjust;
-            }
-            SSE_WORK;
-        }
-        if (n & 63) {
-            int remainder = (n & 63);
-            SDL_memset(p, color, remainder);
-            p += remainder;
-        }
-        pixels += pitch;
-    }
-
-    SSE_END;
-}
-/*DEFINE_SSE_FILLRECT(1, Uint8)*/
-DEFINE_SSE_FILLRECT(2, Uint16)
-DEFINE_SSE_FILLRECT(4, Uint32)
-
-/* *INDENT-ON* */
-#endif /* __SSE__ */
-
-#ifdef __MMX__
-/* *INDENT-OFF* */
-
-#define MMX_BEGIN \
-    __m64 c64 = _mm_set_pi32(color, color)
-
-#define MMX_WORK \
-    for (i = n / 64; i--;) { \
-        _mm_stream_pi((__m64 *)(p+0), c64); \
-        _mm_stream_pi((__m64 *)(p+8), c64); \
-        _mm_stream_pi((__m64 *)(p+16), c64); \
-        _mm_stream_pi((__m64 *)(p+24), c64); \
-        _mm_stream_pi((__m64 *)(p+32), c64); \
-        _mm_stream_pi((__m64 *)(p+40), c64); \
-        _mm_stream_pi((__m64 *)(p+48), c64); \
-        _mm_stream_pi((__m64 *)(p+56), c64); \
-        p += 64; \
-    }
-
-#define MMX_END \
-    _mm_empty()
-
-#define DEFINE_MMX_FILLRECT(bpp, type) \
-static void \
-SDL_DrawRect##bpp##MMX(Uint8 *pixels, int pitch, Uint32 color, int w, int h) \
-{ \
-    MMX_BEGIN; \
- \
-    while (h--) { \
-        int i, n = w * bpp; \
-        Uint8 *p = pixels; \
- \
-        if (n > 63) { \
-            int adjust = 8 - ((uintptr_t)p & 7); \
-            if (adjust < 8) { \
-                n -= adjust; \
-                adjust /= bpp; \
-                while (adjust--) { \
-                    *((type *)p) = (type)color; \
-                    p += bpp; \
-                } \
-            } \
-            MMX_WORK; \
-        } \
-        if (n & 63) { \
-            int remainder = (n & 63); \
-            remainder /= bpp; \
-            while (remainder--) { \
-                *((type *)p) = (type)color; \
-                p += bpp; \
-            } \
-        } \
-        pixels += pitch; \
-    } \
- \
-    MMX_END; \
-}
-
-static void
-SDL_DrawRect1MMX(Uint8 *pixels, int pitch, Uint32 color, int w, int h)
-{
-    MMX_BEGIN;
-
-    while (h--) {
-        int i, n = w;
-        Uint8 *p = pixels;
-
-        if (n > 63) {
-            int adjust = 8 - ((uintptr_t)p & 7);
-            if (adjust) {
-                n -= adjust;
-                SDL_memset(p, color, adjust);
-                p += adjust;
-            }
-            MMX_WORK;
-        }
-        if (n & 63) {
-            int remainder = (n & 63);
-            SDL_memset(p, color, remainder);
-            p += remainder;
-        }
-        pixels += pitch;
-    }
-
-    MMX_END;
-}
-/*DEFINE_MMX_FILLRECT(1, Uint8)*/
-DEFINE_MMX_FILLRECT(2, Uint16)
-DEFINE_MMX_FILLRECT(4, Uint32)
-
-/* *INDENT-ON* */
-#endif /* __MMX__ */
-
-static void
-SDL_DrawRect1(Uint8 * pixels, int pitch, Uint32 color, int w, int h)
-{
-    while (h--) {
-        int n = w;
-        Uint8 *p = pixels;
-
-        if (n > 3) {
-            switch ((uintptr_t) p & 3) {
-            case 1:
-                *p++ = (Uint8) color;
-                --n;
-            case 2:
-                *p++ = (Uint8) color;
-                --n;
-            case 3:
-                *p++ = (Uint8) color;
-                --n;
-            }
-            SDL_memset4(p, color, (n >> 2));
-        }
-        if (n & 3) {
-            p += (n & ~3);
-            switch (n & 3) {
-            case 3:
-                *p++ = (Uint8) color;
-            case 2:
-                *p++ = (Uint8) color;
-            case 1:
-                *p++ = (Uint8) color;
-            }
-        }
-        pixels += pitch;
-    }
-}
-
-static void
-SDL_DrawRect2(Uint8 * pixels, int pitch, Uint32 color, int w, int h)
-{
-    while (h--) {
-        int n = w;
-        Uint16 *p = (Uint16 *) pixels;
-
-        if (n > 1) {
-            if ((uintptr_t) p & 2) {
-                *p++ = (Uint16) color;
-                --n;
-            }
-            SDL_memset4(p, color, (n >> 1));
-        }
-        if (n & 1) {
-            p[n - 1] = (Uint16) color;
-        }
-        pixels += pitch;
-    }
-}
-
-static void
-SDL_DrawRect3(Uint8 * pixels, int pitch, Uint32 color, int w, int h)
-{
-    Uint8 r = (Uint8) ((color >> 16) & 0xFF);
-    Uint8 g = (Uint8) ((color >> 8) & 0xFF);
-    Uint8 b = (Uint8) (color & 0xFF);
-
-    while (h--) {
-        int n = w;
-        Uint8 *p = pixels;
-
-        while (n--) {
-            *p++ = r;
-            *p++ = g;
-            *p++ = b;
-        }
-        pixels += pitch;
-    }
-}
-
-static void
-SDL_DrawRect4(Uint8 * pixels, int pitch, Uint32 color, int w, int h)
-{
-    while (h--) {
-        SDL_memset4(pixels, color, w);
-        pixels += pitch;
-    }
-}
-
-/* 
- * This function performs a fast fill of the given rectangle with 'color'
- */
 int
 SDL_DrawRect(SDL_Surface * dst, const SDL_Rect * rect, Uint32 color)
 {
-    SDL_Rect clipped;
-    Uint8 *pixels;
+    SDL_Rect full_rect;
+    SDL_Point points[5];
 
     if (!dst) {
         SDL_SetError("Passed NULL destination surface");
         return -1;
     }
 
-    /* This function doesn't work on surfaces < 8 bpp */
-    if (dst->format->BitsPerPixel < 8) {
-        SDL_SetError("SDL_DrawRect(): Unsupported surface format");
-        return -1;
-    }
-
-    /* If 'rect' == NULL, then fill the whole surface */
-    if (rect) {
-        /* Perform clipping */
-        if (!SDL_IntersectRect(rect, &dst->clip_rect, &clipped)) {
-            return 0;
-        }
-        rect = &clipped;
-    } else {
-        rect = &dst->clip_rect;
-    }
-
-    /* Perform software fill */
-    if (!dst->pixels) {
-        SDL_SetError("SDL_DrawRect(): You must lock the surface");
-        return (-1);
+    /* If 'rect' == NULL, then outline the whole surface */
+    if (!rect) {
+        full_rect.x = 0;
+        full_rect.y = 0;
+        full_rect.w = dst->w;
+        full_rect.h = dst->h;
+        rect = &full_rect;
     }
 
-    pixels = (Uint8 *) dst->pixels + rect->y * dst->pitch +
-                                     rect->x * dst->format->BytesPerPixel;
-
-    switch (dst->format->BytesPerPixel) {
-    case 1:
-        {
-            color |= (color << 8);
-            color |= (color << 16);
-#ifdef __SSE__
-            if (SDL_HasSSE()) {
-                SDL_DrawRect1SSE(pixels, dst->pitch, color, rect->w, rect->h);
-                break;
-            }
-#endif
-#ifdef __MMX__
-            if (SDL_HasMMX()) {
-                SDL_DrawRect1MMX(pixels, dst->pitch, color, rect->w, rect->h);
-                break;
-            }
-#endif
-            SDL_DrawRect1(pixels, dst->pitch, color, rect->w, rect->h);
-            break;
-        }
-
-    case 2:
-        {
-            color |= (color << 16);
-#ifdef __SSE__
-            if (SDL_HasSSE()) {
-                SDL_DrawRect2SSE(pixels, dst->pitch, color, rect->w, rect->h);
-                break;
-            }
-#endif
-#ifdef __MMX__
-            if (SDL_HasMMX()) {
-                SDL_DrawRect2MMX(pixels, dst->pitch, color, rect->w, rect->h);
-                break;
-            }
-#endif
-            SDL_DrawRect2(pixels, dst->pitch, color, rect->w, rect->h);
-            break;
-        }
-
-    case 3:
-        /* 24-bit RGB is a slow path, at least for now. */
-        {
-            SDL_DrawRect3(pixels, dst->pitch, color, rect->w, rect->h);
-            break;
-        }
-
-    case 4:
-        {
-#ifdef __SSE__
-            if (SDL_HasSSE()) {
-                SDL_DrawRect4SSE(pixels, dst->pitch, color, rect->w, rect->h);
-                break;
-            }
-#endif
-#ifdef __MMX__
-            if (SDL_HasMMX()) {
-                SDL_DrawRect4MMX(pixels, dst->pitch, color, rect->w, rect->h);
-                break;
-            }
-#endif
-            SDL_DrawRect4(pixels, dst->pitch, color, rect->w, rect->h);
-            break;
-        }
-    }
-
-    /* We're done! */
-    return 0;
+    points[0].x = rect->x;
+    points[0].y = rect->y;
+    points[1].x = rect->x+rect->w-1;
+    points[1].y = rect->y;
+    points[2].x = rect->x+rect->w-1;
+    points[2].y = rect->y+rect->h-1;
+    points[3].x = rect->x;
+    points[3].y = rect->y+rect->h-1;
+    points[4].x = rect->x;
+    points[4].y = rect->y;
+    return SDL_DrawLines(dst, points, 5, color);
 }
 
 int
@@ -421,12 +62,13 @@
               Uint32 color)
 {
     int i;
-    int status = 0;
 
     for (i = 0; i < count; ++i) {
-        status = SDL_DrawRect(dst, rects[i], color);
+        if (SDL_DrawRect(dst, rects[i], color) < 0) {
+            return -1;
+        }
     }
-    return status;
+    return 0;
 }
 
 /* vi: set ts=4 sw=4 expandtab: */