ReactOS 0.4.16-dev-1493-ge7358c5
Classes | Macros | Functions
dib16bpp.c File Reference
#include <win32k.h>
#include <debug.h>
Include dependency graph for dib16bpp.c:

Go to the source code of this file.

Classes

union  NICEPIXEL32
 
union  NICEPIXEL16_565
 
union  NICEPIXEL16_555
 

Macros

#define NDEBUG
 
#define DEC_OR_INC(var, decTrue, amount)    ((var) = (decTrue) ? ((var) - (amount)) : ((var) + (amount)))
 

Functions

VOID DIB_16BPP_PutPixel (SURFOBJ *SurfObj, LONG x, LONG y, ULONG c)
 
ULONG DIB_16BPP_GetPixel (SURFOBJ *SurfObj, LONG x, LONG y)
 
VOID DIB_16BPP_HLine (SURFOBJ *SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
 
VOID DIB_16BPP_VLine (SURFOBJ *SurfObj, LONG x, LONG y1, LONG y2, ULONG c)
 
BOOLEAN DIB_16BPP_BitBltSrcCopy (PBLTINFO BltInfo)
 
BOOLEAN DIB_16BPP_ColorFill (SURFOBJ *DestSurface, RECTL *DestRect, ULONG color)
 
BOOLEAN DIB_16BPP_TransparentBlt (SURFOBJ *DestSurf, SURFOBJ *SourceSurf, RECTL *DestRect, RECTL *SourceRect, XLATEOBJ *ColorTranslation, ULONG iTransColor)
 
static __inline UCHAR Clamp6 (ULONG val)
 
static __inline UCHAR Clamp5 (ULONG val)
 
BOOLEAN DIB_16BPP_AlphaBlend (SURFOBJ *Dest, SURFOBJ *Source, RECTL *DestRect, RECTL *SourceRect, CLIPOBJ *ClipRegion, XLATEOBJ *ColorTranslation, BLENDOBJ *BlendObj)
 

Macro Definition Documentation

◆ DEC_OR_INC

#define DEC_OR_INC (   var,
  decTrue,
  amount 
)     ((var) = (decTrue) ? ((var) - (amount)) : ((var) + (amount)))

Definition at line 17 of file dib16bpp.c.

◆ NDEBUG

#define NDEBUG

Definition at line 14 of file dib16bpp.c.

Function Documentation

◆ Clamp5()

static __inline UCHAR Clamp5 ( ULONG  val)
static

Definition at line 845 of file dib16bpp.c.

846{
847 return (val > 31) ? 31 : (UCHAR)val;
848}
val
GLuint GLfloat * val
Definition: glext.h:7180
UCHAR
unsigned char UCHAR
Definition: xmlstorage.h:181

Referenced by DIB_16BPP_AlphaBlend().

◆ Clamp6()

static __inline UCHAR Clamp6 ( ULONG  val)
static

Definition at line 839 of file dib16bpp.c.

840{
841 return (val > 63) ? 63 : (UCHAR)val;
842}

Referenced by DIB_16BPP_AlphaBlend().

◆ DIB_16BPP_AlphaBlend()

BOOLEAN DIB_16BPP_AlphaBlend ( SURFOBJ *  Dest,
SURFOBJ *  Source,
RECTL *  DestRect,
RECTL *  SourceRect,
CLIPOBJ *  ClipRegion,
XLATEOBJ *  ColorTranslation,
BLENDOBJ *  BlendObj 
)

Definition at line 851 of file dib16bpp.c.

854{
855 INT DstX, DstY, SrcX, SrcY;
856 BLENDFUNCTION BlendFunc;
857 NICEPIXEL32 SrcPixel32;
858 UCHAR Alpha;
859 EXLATEOBJ* pexlo;
860 EXLATEOBJ exloSrcRGB;
861
862 DPRINT("DIB_16BPP_AlphaBlend: srcRect: (%d,%d)-(%d,%d), dstRect: (%d,%d)-(%d,%d)\n",
863 SourceRect->left, SourceRect->top, SourceRect->right, SourceRect->bottom,
864 DestRect->left, DestRect->top, DestRect->right, DestRect->bottom);
865
866 BlendFunc = BlendObj->BlendFunction;
867 if (BlendFunc.BlendOp != AC_SRC_OVER)
868 {
869 DPRINT1("BlendOp != AC_SRC_OVER\n");
870 return FALSE;
871 }
872 if (BlendFunc.BlendFlags != 0)
873 {
874 DPRINT1("BlendFlags != 0\n");
875 return FALSE;
876 }
877 if ((BlendFunc.AlphaFormat & ~AC_SRC_ALPHA) != 0)
878 {
879 DPRINT1("Unsupported AlphaFormat (0x%x)\n", BlendFunc.AlphaFormat);
880 return FALSE;
881 }
882 if ((BlendFunc.AlphaFormat & AC_SRC_ALPHA) != 0 &&
883 (BitsPerFormat(Source->iBitmapFormat) != 32))
884 {
885 DPRINT1("Source bitmap must be 32bpp when AC_SRC_ALPHA is set\n");
886 return FALSE;
887 }
888
889 if (!ColorTranslation)
890 {
891 DPRINT1("ColorTranslation must not be NULL!\n");
892 return FALSE;
893 }
894
895 pexlo = CONTAINING_RECORD(ColorTranslation, EXLATEOBJ, xlo);
896 EXLATEOBJ_vInitialize(&exloSrcRGB, pexlo->ppalSrc, &gpalRGB, 0, 0, 0);
897
898 if (pexlo->ppalDst->flFlags & PAL_RGB16_555)
899 {
900 NICEPIXEL16_555 DstPixel16;
901
902 SrcY = SourceRect->top;
903 DstY = DestRect->top;
904 while ( DstY < DestRect->bottom )
905 {
906 SrcX = SourceRect->left;
907 DstX = DestRect->left;
908 while(DstX < DestRect->right)
909 {
910 SrcPixel32.ul = DIB_GetSource(Source, SrcX, SrcY, &exloSrcRGB.xlo);
911 SrcPixel32.col.red = (SrcPixel32.col.red * BlendFunc.SourceConstantAlpha) / 255;
912 SrcPixel32.col.green = (SrcPixel32.col.green * BlendFunc.SourceConstantAlpha) / 255;
913 SrcPixel32.col.blue = (SrcPixel32.col.blue * BlendFunc.SourceConstantAlpha) / 255;
914
915 Alpha = ((BlendFunc.AlphaFormat & AC_SRC_ALPHA) != 0) ?
916 (SrcPixel32.col.alpha * BlendFunc.SourceConstantAlpha) / 255 :
917 BlendFunc.SourceConstantAlpha;
918
919 Alpha >>= 3;
920
921 DstPixel16.us = DIB_16BPP_GetPixel(Dest, DstX, DstY) & 0xFFFF;
922 /* Perform bit loss */
923 SrcPixel32.col.red >>= 3;
924 SrcPixel32.col.green >>= 3;
925 SrcPixel32.col.blue >>= 3;
926
927 /* Do the blend in the right bit depth */
928 DstPixel16.col.red = Clamp5((DstPixel16.col.red * (31 - Alpha)) / 31 + SrcPixel32.col.red);
929 DstPixel16.col.green = Clamp5((DstPixel16.col.green * (31 - Alpha)) / 31 + SrcPixel32.col.green);
930 DstPixel16.col.blue = Clamp5((DstPixel16.col.blue * (31 - Alpha)) / 31 + SrcPixel32.col.blue);
931
932 DIB_16BPP_PutPixel(Dest, DstX, DstY, DstPixel16.us);
933
934 DstX++;
935 SrcX = SourceRect->left + ((DstX-DestRect->left)*(SourceRect->right - SourceRect->left))
936 /(DestRect->right-DestRect->left);
937 }
938 DstY++;
939 SrcY = SourceRect->top + ((DstY-DestRect->top)*(SourceRect->bottom - SourceRect->top))
940 /(DestRect->bottom-DestRect->top);
941 }
942 }
943 else
944 {
945 NICEPIXEL16_565 DstPixel16;
946 UCHAR Alpha6, Alpha5;
947
948 SrcY = SourceRect->top;
949 DstY = DestRect->top;
950 while ( DstY < DestRect->bottom )
951 {
952 SrcX = SourceRect->left;
953 DstX = DestRect->left;
954 while(DstX < DestRect->right)
955 {
956 SrcPixel32.ul = DIB_GetSource(Source, SrcX, SrcY, &exloSrcRGB.xlo);
957 SrcPixel32.col.red = (SrcPixel32.col.red * BlendFunc.SourceConstantAlpha) / 255;
958 SrcPixel32.col.green = (SrcPixel32.col.green * BlendFunc.SourceConstantAlpha) / 255;
959 SrcPixel32.col.blue = (SrcPixel32.col.blue * BlendFunc.SourceConstantAlpha) / 255;
960
961 Alpha = ((BlendFunc.AlphaFormat & AC_SRC_ALPHA) != 0) ?
962 (SrcPixel32.col.alpha * BlendFunc.SourceConstantAlpha) / 255 :
963 BlendFunc.SourceConstantAlpha;
964
965 Alpha6 = Alpha >> 2;
966 Alpha5 = Alpha >> 3;
967
968 DstPixel16.us = DIB_16BPP_GetPixel(Dest, DstX, DstY) & 0xFFFF;
969 /* Perform bit loss */
970 SrcPixel32.col.red >>= 3;
971 SrcPixel32.col.green >>= 2;
972 SrcPixel32.col.blue >>= 3;
973
974 /* Do the blend in the right bit depth */
975 DstPixel16.col.red = Clamp5((DstPixel16.col.red * (31 - Alpha5)) / 31 + SrcPixel32.col.red);
976 DstPixel16.col.green = Clamp6((DstPixel16.col.green * (63 - Alpha6)) / 63 + SrcPixel32.col.green);
977 DstPixel16.col.blue = Clamp5((DstPixel16.col.blue * (31 - Alpha5)) / 31 + SrcPixel32.col.blue);
978
979 DIB_16BPP_PutPixel(Dest, DstX, DstY, DstPixel16.us);
980
981 DstX++;
982 SrcX = SourceRect->left + ((DstX-DestRect->left)*(SourceRect->right - SourceRect->left))
983 /(DestRect->right-DestRect->left);
984 }
985 DstY++;
986 SrcY = SourceRect->top + ((DstY-DestRect->top)*(SourceRect->bottom - SourceRect->top))
987 /(DestRect->bottom-DestRect->top);
988 }
989 }
990
991 EXLATEOBJ_vCleanup(&exloSrcRGB);
992
993 return TRUE;
994}
DPRINT1
#define DPRINT1
Definition: precomp.h:8
DIB_16BPP_PutPixel
VOID DIB_16BPP_PutPixel(SURFOBJ *SurfObj, LONG x, LONG y, ULONG c)
Definition: dib16bpp.c:21
DIB_16BPP_GetPixel
ULONG DIB_16BPP_GetPixel(SURFOBJ *SurfObj, LONG x, LONG y)
Definition: dib16bpp.c:30
Clamp5
static __inline UCHAR Clamp5(ULONG val)
Definition: dib16bpp.c:845
Clamp6
static __inline UCHAR Clamp6(ULONG val)
Definition: dib16bpp.c:839
TRUE
#define TRUE
Definition: types.h:120
FALSE
#define FALSE
Definition: types.h:117
BlendFunc
static const BLENDFUNCTION BlendFunc
Definition: general.c:34
right
GLdouble GLdouble right
Definition: glext.h:10859
bottom
GLint GLint bottom
Definition: glext.h:7726
AC_SRC_ALPHA
#define AC_SRC_ALPHA
Definition: alphablend.c:9
Source
_In_ UINT _In_ UINT _In_ PNDIS_PACKET Source
Definition: ndis.h:3169
DPRINT
#define DPRINT
Definition: sndvol32.h:73
RECTL::bottom
long bottom
Definition: polytest.cpp:53
RECTL::right
long right
Definition: polytest.cpp:53
RECTL::top
long top
Definition: polytest.cpp:53
RECTL::left
long left
Definition: polytest.cpp:53
_BLENDFUNCTION
Definition: wingdi.h:3204
_BLENDFUNCTION::BlendOp
BYTE BlendOp
Definition: wingdi.h:3205
_BLENDFUNCTION::BlendFlags
BYTE BlendFlags
Definition: wingdi.h:3206
_BLENDFUNCTION::AlphaFormat
BYTE AlphaFormat
Definition: wingdi.h:3208
_BLENDFUNCTION::SourceConstantAlpha
BYTE SourceConstantAlpha
Definition: wingdi.h:3207
_BLENDOBJ::BlendFunction
BLENDFUNCTION BlendFunction
Definition: winddi.h:224
_EXLATEOBJ
Definition: xlateobj.h:20
_EXLATEOBJ::xlo
XLATEOBJ xlo
Definition: xlateobj.h:21
_EXLATEOBJ::ppalDst
PPALETTE ppalDst
Definition: xlateobj.h:26
_EXLATEOBJ::ppalSrc
PPALETTE ppalSrc
Definition: xlateobj.h:25
_PALETTE::flFlags
FLONG flFlags
Definition: palette.h:40
INT
int32_t INT
Definition: typedefs.h:58
CONTAINING_RECORD
#define CONTAINING_RECORD(address, type, field)
Definition: typedefs.h:260
NICEPIXEL16_555
Definition: dib16bpp.c:827
NICEPIXEL16_555::us
USHORT us
Definition: dib16bpp.c:828
NICEPIXEL16_555::col
struct NICEPIXEL16_555::@5360 col
NICEPIXEL16_565
Definition: dib16bpp.c:816
NICEPIXEL16_565::col
struct NICEPIXEL16_565::@5359 col
NICEPIXEL16_565::us
USHORT us
Definition: dib16bpp.c:817
NICEPIXEL32::ul
ULONG ul
Definition: alphablend.c:16
NICEPIXEL32::col
struct NICEPIXEL32::@5357 col
DIB_GetSource
#define DIB_GetSource(SourceSurf, sx, sy, ColorTranslation)
Definition: dib.h:136
BitsPerFormat
#define BitsPerFormat(Format)
Definition: surface.h:109
gpalRGB
PALETTE gpalRGB
Definition: palette.c:20
PAL_RGB16_555
@ PAL_RGB16_555
Definition: palette.h:27
AC_SRC_OVER
#define AC_SRC_OVER
Definition: wingdi.h:1369
EXLATEOBJ_vInitialize
VOID NTAPI EXLATEOBJ_vInitialize(_Out_ PEXLATEOBJ pexlo, _In_opt_ PALETTE *ppalSrc, _In_opt_ PALETTE *ppalDst, _In_ COLORREF crSrcBackColor, _In_ COLORREF crDstBackColor, _In_ COLORREF crDstForeColor)
Definition: xlateobj.c:358
EXLATEOBJ_vCleanup
VOID NTAPI EXLATEOBJ_vCleanup(_Inout_ PEXLATEOBJ pexlo)
Definition: xlateobj.c:649

◆ DIB_16BPP_BitBltSrcCopy()

BOOLEAN DIB_16BPP_BitBltSrcCopy ( PBLTINFO  BltInfo)

Definition at line 144 of file dib16bpp.c.

145{
146 LONG i, j, sx, sy, xColor, f1;
147 PBYTE SourceBits, DestBits, SourceLine, DestLine;
148 PBYTE SourceBits_4BPP, SourceLine_4BPP;
149 PWORD Source32, Dest32;
150 DWORD Index, StartLeft, EndRight;
151 BOOLEAN bTopToBottom, bLeftToRight;
152
153 DPRINT("DIB_16BPP_BitBltSrcCopy: SrcSurf cx/cy (%d/%d), DestSuft cx/cy (%d/%d) dstRect: (%d,%d)-(%d,%d)\n",
154 BltInfo->SourceSurface->sizlBitmap.cx, BltInfo->SourceSurface->sizlBitmap.cy,
155 BltInfo->DestSurface->sizlBitmap.cx, BltInfo->DestSurface->sizlBitmap.cy,
156 BltInfo->DestRect.left, BltInfo->DestRect.top, BltInfo->DestRect.right, BltInfo->DestRect.bottom);
157
158 /* Get back left to right flip here */
159 bLeftToRight = BltInfo->DestRect.left > BltInfo->DestRect.right;
160
161 /* Check for top to bottom flip needed. */
162 bTopToBottom = BltInfo->DestRect.top > BltInfo->DestRect.bottom;
163
164 DPRINT("BltInfo->SourcePoint.x is '%d' & BltInfo->SourcePoint.y is '%d'.\n",
165 BltInfo->SourcePoint.x, BltInfo->SourcePoint.y);
166
167 /* Make WellOrdered with top < bottom and left < right */
168 RECTL_vMakeWellOrdered(&BltInfo->DestRect);
169
170 DPRINT("BPP is '%d/%d' & BltInfo->SourcePoint.x is '%d' & BltInfo->SourcePoint.y is '%d'.\n",
171 BltInfo->SourceSurface->iBitmapFormat, BltInfo->SourcePoint.x, BltInfo->SourcePoint.y);
172
173 DestBits = (PBYTE)BltInfo->DestSurface->pvScan0 + (BltInfo->DestRect.top * BltInfo->DestSurface->lDelta) + 2 * BltInfo->DestRect.left;
174
175 switch(BltInfo->SourceSurface->iBitmapFormat)
176 {
177 case BMF_1BPP:
178 DPRINT("1BPP Case Selected with DestRect Width of '%d'.\n",
179 BltInfo->DestRect.right - BltInfo->DestRect.left);
180 sx = BltInfo->SourcePoint.x;
181
182 /* This sets sy to the top line */
183 sy = BltInfo->SourcePoint.y;
184
185 if (bTopToBottom)
186 {
187 /* This sets sy to the bottom line */
188 sy += BltInfo->SourceSurface->lDelta * (BltInfo->DestRect.bottom - BltInfo->DestRect.top - 1);
189 }
190
191 for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
192 {
193 sx = BltInfo->SourcePoint.x;
194
195 if (bLeftToRight)
196 {
197 /* This sets the sx to the rightmost pixel */
198 sx += (BltInfo->DestRect.right - BltInfo->DestRect.left - 1);
199 StartLeft = BltInfo->DestRect.left + 1;
200 EndRight = BltInfo->DestRect.right + 1;
201 }
202 else
203 {
204 StartLeft = BltInfo->DestRect.left;
205 EndRight = BltInfo->DestRect.right;
206 }
207
208 for (i = StartLeft; i < EndRight; i++)
209 {
210 if(DIB_1BPP_GetPixel(BltInfo->SourceSurface, sx, sy) == 0)
211 {
212 DIB_16BPP_PutPixel(BltInfo->DestSurface, i, j,
213 XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, 0));
214 }
215 else
216 {
217 DIB_16BPP_PutPixel(BltInfo->DestSurface, i, j,
218 XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, 1));
219 }
220 DEC_OR_INC(sx, bLeftToRight, 1);
221 }
222 DEC_OR_INC(sy, bTopToBottom, 1);
223 }
224 break;
225
226 case BMF_4BPP:
227 DPRINT("4BPP Case Selected with DestRect Width of '%d'.\n",
228 BltInfo->DestRect.right - BltInfo->DestRect.left);
229
230 /* This sets SourceBits_4BPP to the top line */
231 SourceBits_4BPP = (PBYTE)BltInfo->SourceSurface->pvScan0 +
232 (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) +
233 (BltInfo->SourcePoint.x >> 1);
234
235 if (bTopToBottom)
236 {
237 /* This sets SourceBits_4BPP to the bottom line */
238 SourceBits_4BPP += (BltInfo->DestRect.bottom - BltInfo->DestRect.top - 1) * BltInfo->SourceSurface->lDelta;
239 }
240
241 for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
242 {
243 SourceLine_4BPP = SourceBits_4BPP;
244 sx = BltInfo->SourcePoint.x;
245 if (bLeftToRight)
246 {
247 /* This sets sx to the rightmost pixel */
248 sx += (BltInfo->DestRect.right - BltInfo->DestRect.left - 1);
249 }
250
251 f1 = sx & 1;
252
253 for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
254 {
255 xColor = XLATEOBJ_iXlate(BltInfo->XlateSourceToDest,
256 (*SourceLine_4BPP & altnotmask[f1]) >> (4 * (1 - f1)));
257 DIB_16BPP_PutPixel(BltInfo->DestSurface, i, j, xColor);
258 if(f1 == 1)
259 {
260 DEC_OR_INC(SourceLine_4BPP, bLeftToRight, 1);
261 f1 = 0;
262 }
263 else
264 {
265 f1 = 1;
266 }
267 DEC_OR_INC(sx, bLeftToRight, 1);
268 }
269 DEC_OR_INC(SourceBits_4BPP, bTopToBottom, BltInfo->SourceSurface->lDelta);
270 }
271 break;
272
273 case BMF_8BPP:
274 DPRINT("8BPP Case Selected with DestRect Width of '%d'.\n",
275 BltInfo->DestRect.right - BltInfo->DestRect.left);
276
277 /* This sets SourceLine to the top line */
278 SourceLine = (PBYTE)BltInfo->SourceSurface->pvScan0 +
279 (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) +
280 BltInfo->SourcePoint.x;
281 DestLine = DestBits;
282
283 if (bTopToBottom)
284 {
285 /* This sets SourceLine to the bottom line */
286 SourceLine += BltInfo->SourceSurface->lDelta
287 * (BltInfo->DestRect.bottom - BltInfo->DestRect.top - 1);
288 }
289
290 for (j = BltInfo->DestRect.top; j < BltInfo->DestRect.bottom; j++)
291 {
292 SourceBits = SourceLine;
293 DestBits = DestLine;
294
295 if (bLeftToRight)
296 {
297 /* This sets SourceBits to the rightmost pixel */
298 SourceBits += (BltInfo->DestRect.right - BltInfo->DestRect.left - 1);
299 }
300
301 for (i = BltInfo->DestRect.left; i < BltInfo->DestRect.right; i++)
302 {
303 *((WORD *)DestBits) = (WORD)XLATEOBJ_iXlate(
304 BltInfo->XlateSourceToDest, *SourceBits);
305 DEC_OR_INC(SourceBits, bLeftToRight, 1);
306 DestBits += 2;
307 }
308 DEC_OR_INC(SourceLine, bTopToBottom, BltInfo->SourceSurface->lDelta);
309 DestLine += BltInfo->DestSurface->lDelta;
310 }
311 break;
312
313 case BMF_16BPP:
314 DPRINT("16BPP Case Selected with DestRect Width of '%d'.\n",
315 BltInfo->DestRect.right - BltInfo->DestRect.left);
316
317 DPRINT("BMF_16BPP-dstRect: (%d,%d)-(%d,%d) and Width of '%d'.\n",
318 BltInfo->DestRect.left, BltInfo->DestRect.top,
319 BltInfo->DestRect.right, BltInfo->DestRect.bottom,
320 BltInfo->DestRect.right - BltInfo->DestRect.left);
321
322 if ((BltInfo->XlateSourceToDest == NULL ||
323 (BltInfo->XlateSourceToDest->flXlate & XO_TRIVIAL) != 0) &&
324 (!bTopToBottom && !bLeftToRight))
325 {
326 DPRINT("XO_TRIVIAL is TRUE.\n");
327 if (BltInfo->DestRect.top < BltInfo->SourcePoint.y)
328 {
329 /* This sets SourceBits to the top line */
330 SourceBits = (PBYTE)BltInfo->SourceSurface->pvScan0 +
331 (BltInfo->SourcePoint.y *
332 BltInfo->SourceSurface->lDelta) + 2 *
333 BltInfo->SourcePoint.x;
334
335 for (j = BltInfo->DestRect.top; j < BltInfo->DestRect.bottom; j++)
336 {
337 RtlMoveMemory(DestBits, SourceBits,
338 2 * (BltInfo->DestRect.right -
339 BltInfo->DestRect.left));
340
341 SourceBits += BltInfo->SourceSurface->lDelta;
342 DestBits += BltInfo->DestSurface->lDelta;
343 }
344 }
345 else
346 {
347 /* This sets SourceBits to the bottom line */
348 SourceBits = (PBYTE)BltInfo->SourceSurface->pvScan0 +
349 ((BltInfo->SourcePoint.y + BltInfo->DestRect.bottom -
350 BltInfo->DestRect.top - 1) *
351 BltInfo->SourceSurface->lDelta) + 2 *
352 BltInfo->SourcePoint.x;
353
354 DestBits = (PBYTE)BltInfo->DestSurface->pvScan0 +
355 ((BltInfo->DestRect.bottom - 1) *
356 BltInfo->DestSurface->lDelta) + 2 *
357 BltInfo->DestRect.left;
358
359 for (j = BltInfo->DestRect.bottom - 1;
360 BltInfo->DestRect.top <= j; j--)
361 {
362 RtlMoveMemory(DestBits, SourceBits, 2 *
363 (BltInfo->DestRect.right -
364 BltInfo->DestRect.left));
365
366 SourceBits -= BltInfo->SourceSurface->lDelta;
367 DestBits -= BltInfo->DestSurface->lDelta;
368 }
369 }
370 }
371 else
372 {
373 DPRINT("XO_TRIVIAL is NOT TRUE.\n");
374 if (!bTopToBottom && !bLeftToRight)
375 /* **Note: Indent is purposefully less than desired to keep reviewable differences to a minimum for PR** */
376 {
377 DPRINT("Flip is None.\n");
378 if (BltInfo->DestRect.top < BltInfo->SourcePoint.y)
379 {
380 SourceLine = (PBYTE)BltInfo->SourceSurface->pvScan0 +
381 (BltInfo->SourcePoint.y *
382 BltInfo->SourceSurface->lDelta) + 2 *
383 BltInfo->SourcePoint.x;
384
385 DestLine = DestBits;
386 for (j = BltInfo->DestRect.top; j < BltInfo->DestRect.bottom; j++)
387 {
388 SourceBits = SourceLine;
389 DestBits = DestLine;
390 for (i = BltInfo->DestRect.left; i <
391 BltInfo->DestRect.right; i++)
392 {
393 *((WORD *)DestBits) = (WORD)XLATEOBJ_iXlate(
394 BltInfo->XlateSourceToDest,
395 *((WORD *)SourceBits));
396 SourceBits += 2;
397 DestBits += 2;
398 }
399 SourceLine += BltInfo->SourceSurface->lDelta;
400 DestLine += BltInfo->DestSurface->lDelta;
401 }
402 }
403 else
404 {
405 SourceLine = (PBYTE)BltInfo->SourceSurface->pvScan0 +
406 ((BltInfo->SourcePoint.y +
407 BltInfo->DestRect.bottom -
408 BltInfo->DestRect.top - 1) *
409 BltInfo->SourceSurface->lDelta) + 2 *
410 BltInfo->SourcePoint.x;
411
412 DestLine = (PBYTE)BltInfo->DestSurface->pvScan0 +
413 ((BltInfo->DestRect.bottom - 1) *
414 BltInfo->DestSurface->lDelta) + 2 *
415 BltInfo->DestRect.left;
416
417 for (j = BltInfo->DestRect.bottom - 1;
418 BltInfo->DestRect.top <= j; j--)
419 {
420 SourceBits = SourceLine;
421 DestBits = DestLine;
422 for (i = BltInfo->DestRect.left; i <
423 BltInfo->DestRect.right; i++)
424 {
425 *((WORD *)DestBits) = (WORD)XLATEOBJ_iXlate(
426 BltInfo->XlateSourceToDest,
427 *((WORD *)SourceBits));
428 SourceBits += 2;
429 DestBits += 2;
430 }
431 SourceLine -= BltInfo->SourceSurface->lDelta;
432 DestLine -= BltInfo->DestSurface->lDelta;
433 }
434 }
435 }
436 else
437 {
438 /* Buffering for source and destination flip overlaps. Fixes KHMZ MirrorTest CORE-16642 */
439 BOOL TopToBottomDone = FALSE;
440
441 if (bLeftToRight)
442 {
443 DPRINT("Flip is bLeftToRight.\n");
444
445 /* Allocate enough pixels for a row in WORD's */
446 WORD *store = ExAllocatePoolWithTag(NonPagedPool,
447 (BltInfo->DestRect.right - BltInfo->DestRect.left + 1) * 2, TAG_DIB);
448 if (store == NULL)
449 {
450 DPRINT1("Storage Allocation Failed.\n");
451 return FALSE;
452 }
453 WORD Index;
454
455 /* This sets SourceBits to the bottom line */
456 SourceBits = (PBYTE)BltInfo->SourceSurface->pvScan0
457 + ((BltInfo->SourcePoint.y + BltInfo->DestRect.bottom - BltInfo->DestRect.top - 1)
458 * BltInfo->SourceSurface->lDelta) + 2 * BltInfo->SourcePoint.x;
459
460 /* Sets DestBits to the bottom line */
461 DestBits = (PBYTE)BltInfo->DestSurface->pvScan0
462 + (BltInfo->DestRect.bottom - 1) * BltInfo->DestSurface->lDelta
463 + 2 * BltInfo->DestRect.left + 2;
464
465 for (j = BltInfo->DestRect.bottom - 1; BltInfo->DestRect.top <= j; j--)
466 {
467 /* Set Dest32 to right pixel */
468 Dest32 = (WORD *) DestBits + (BltInfo->DestRect.right - BltInfo->DestRect.left - 1);
469 Source32 = (WORD *) SourceBits;
470
471 Index = 0;
472
473 /* Store pixels from left to right */
474 for (i = BltInfo->DestRect.right - 1; BltInfo->DestRect.left <= i; i--)
475 {
476 store[Index] = (WORD)XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, *(WORD *)Source32++);
477 Index++;
478 }
479
480 Index = 0;
481
482 /* Copy stored data to pixels from right to left */
483 for (i = BltInfo->DestRect.right - 1; BltInfo->DestRect.left <= i; i--)
484 {
485 *(WORD *)Dest32-- = store[Index];
486 Index++;
487 }
488
489 SourceBits -= BltInfo->SourceSurface->lDelta;
490 DestBits -= BltInfo->DestSurface->lDelta;
491 }
492 ExFreePoolWithTag(store, TAG_DIB);
493 TopToBottomDone = TRUE;
494 }
495
496 if (bTopToBottom)
497 {
498 DPRINT("Flip is bTopToBottom.\n");
499
500 /* Allocate enough pixels for a column in WORD's */
501 WORD *store = ExAllocatePoolWithTag(NonPagedPool,
502 (BltInfo->DestRect.bottom - BltInfo->DestRect.top + 1) * 2, TAG_DIB);
503 if (store == NULL)
504 {
505 DPRINT1("Storage Allocation Failed.\n");
506 return FALSE;
507 }
508
509 /* This set SourceBits to the top line */
510 SourceBits = (PBYTE)BltInfo->SourceSurface->pvScan0
511 + (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta)
512 + 2 * BltInfo->SourcePoint.x;
513
514 /* This sets DestBits to the top line */
515 DestBits = (PBYTE)BltInfo->DestSurface->pvScan0
516 + ((BltInfo->DestRect.top) * BltInfo->DestSurface->lDelta)
517 + 2 * BltInfo->DestRect.left;
518
519 if ((BltInfo->SourceSurface->fjBitmap & BMF_TOPDOWN) == 0)
520 {
521 DestBits += BltInfo->DestSurface->lDelta;
522 }
523
524 if (bLeftToRight)
525 {
526 DPRINT("Adjusting DestBits for bLeftToRight.\n");
527 DestBits += 2;
528 }
529
530 /* The TopToBottomDone flag indicates that we are flipping for bTopToBottom and bLeftToRight
531 * and have already completed the bLeftToRight. So we will lose our first flip output
532 * unless we work with its output which is at the destination site. So in this case
533 * our new Source becomes the previous outputs Destination. */
534
535 if (TopToBottomDone)
536 {
537 /* This sets SourceBits to the top line */
538 SourceBits = DestBits;
539 }
540
541 for (j = BltInfo->DestRect.right - 1; BltInfo->DestRect.left <= j ; j--)
542 {
543 /* Set Dest32 to bottom pixel */
544 Dest32 = (WORD *) DestBits + (BltInfo->DestRect.bottom - BltInfo->DestRect.top - 1)
545 * BltInfo->DestSurface->lDelta / 2;
546 Source32 = (WORD *) SourceBits;
547
548 Index = 0;
549
550 /* Store pixels from top to bottom */
551 for (i = BltInfo->DestRect.top; i <= BltInfo->DestRect.bottom - 1; i++)
552 {
553 store[Index] = XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, *Source32);
554 Source32 += BltInfo->SourceSurface->lDelta / 2;
555 Index++;
556 }
557
558 Index = 0;
559
560 /* Copy stored data to pixels from bottom to top */
561 for (i = BltInfo->DestRect.bottom - 1; BltInfo->DestRect.top <= i; i--)
562 {
563 *Dest32 = store[Index];
564 Dest32 -= BltInfo->DestSurface->lDelta / 2;
565 Index++;
566 }
567 SourceBits += 2;
568 DestBits += 2;
569 }
570 ExFreePoolWithTag(store, TAG_DIB);
571 }
572
573 }
574 }
575 break;
576
577 case BMF_24BPP:
578
579 DPRINT("BMF_24BPP-dstRect: (%d,%d)-(%d,%d) and Width of '%d'.\n",
580 BltInfo->DestRect.left, BltInfo->DestRect.top,
581 BltInfo->DestRect.right, BltInfo->DestRect.bottom,
582 BltInfo->DestRect.right - BltInfo->DestRect.left);
583
584 /* This sets SourceLine to the top line */
585 SourceLine = (PBYTE)BltInfo->SourceSurface->pvScan0 +
586 (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) +
587 3 * BltInfo->SourcePoint.x;
588
589 if (bTopToBottom)
590 {
591 /* This sets SourceLine to the bottom line */
592 SourceLine += BltInfo->SourceSurface->lDelta * (BltInfo->DestRect.bottom - BltInfo->DestRect.top - 1);
593 }
594 DestLine = DestBits;
595
596 for (j = BltInfo->DestRect.top; j < BltInfo->DestRect.bottom; j++)
597 {
598 SourceBits = SourceLine;
599 DestBits = DestLine;
600
601 if (bLeftToRight)
602 {
603 /* This sets the SourceBits to the rightmost pixel */
604 SourceBits += (BltInfo->DestRect.right - BltInfo->DestRect.left - 1) * 3;
605 }
606 for (i = BltInfo->DestRect.left; i < BltInfo->DestRect.right; i++)
607 {
608 xColor = (*(SourceBits + 2) << 0x10) +
609 (*(SourceBits + 1) << 0x08) + (*(SourceBits));
610
611 *((WORD *)DestBits) = (WORD)XLATEOBJ_iXlate(
612 BltInfo->XlateSourceToDest, xColor);
613
614 DEC_OR_INC(SourceBits, bLeftToRight, 3);
615 DestBits += 2;
616 }
617 DEC_OR_INC(SourceLine, bTopToBottom, BltInfo->SourceSurface->lDelta);
618 DestLine += BltInfo->DestSurface->lDelta;
619 }
620 break;
621
622 case BMF_32BPP:
623 DPRINT("32BPP Case Selected with DestRect Width of '%d'.\n",
624 BltInfo->DestRect.right - BltInfo->DestRect.left);
625
626 SourceLine = (PBYTE)BltInfo->SourceSurface->pvScan0 +
627 (BltInfo->SourcePoint.y * BltInfo->SourceSurface->lDelta) +
628 4 * BltInfo->SourcePoint.x;
629
630 if (bTopToBottom)
631 {
632 /* This sets SourceLine to the bottom line */
633 SourceLine += BltInfo->DestRect.bottom - BltInfo->DestRect.top - 1;
634 }
635 DestLine = DestBits;
636
637 for (j = BltInfo->DestRect.top; j < BltInfo->DestRect.bottom; j++)
638 {
639 SourceBits = SourceLine;
640 DestBits = DestLine;
641
642 if (bLeftToRight)
643 {
644 /* This sets SourceBits to the rightmost pixel */
645 SourceBits += (BltInfo->DestRect.right - BltInfo->DestRect.left - 1) * 4;
646 }
647
648 for (i = BltInfo->DestRect.left; i < BltInfo->DestRect.right; i++)
649 {
650 *((WORD *)DestBits) = (WORD)XLATEOBJ_iXlate(
651 BltInfo->XlateSourceToDest,
652 *((PDWORD) SourceBits));
653 DEC_OR_INC(SourceBits, bLeftToRight, 4);
654 DestBits += 2;
655 }
656
657 DEC_OR_INC(SourceLine, bTopToBottom, BltInfo->SourceSurface->lDelta);
658 DestLine += BltInfo->DestSurface->lDelta;
659 }
660 break;
661
662 default:
663 DPRINT1("DIB_16BPP_BitBltSrcCopy: Unhandled Source BPP: %u\n",
664 BitsPerFormat(BltInfo->SourceSurface->iBitmapFormat));
665 return FALSE;
666 }
667
668 return TRUE;
669}
BOOLEAN
unsigned char BOOLEAN
Definition: ProcessorBind.h:185
DEC_OR_INC
#define DEC_OR_INC(var, decTrue, amount)
Definition: dib16bpp.c:17
NULL
#define NULL
Definition: types.h:112
ExAllocatePoolWithTag
#define ExAllocatePoolWithTag(hernya, size, tag)
Definition: env_spec_w32.h:350
NonPagedPool
#define NonPagedPool
Definition: env_spec_w32.h:307
BOOL
unsigned int BOOL
Definition: ntddk_ex.h:94
DWORD
unsigned long DWORD
Definition: ntddk_ex.h:95
WORD
unsigned short WORD
Definition: ntddk_ex.h:93
i
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
j
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint GLint GLint j
Definition: glfuncs.h:250
if
if(dx< 0)
Definition: linetemp.h:194
ExFreePoolWithTag
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1109
for
#define for
Definition: utility.h:88
PWORD
WORD * PWORD
Definition: pedump.c:67
PBYTE
BYTE * PBYTE
Definition: pedump.c:66
PDWORD
DWORD * PDWORD
Definition: pedump.c:68
LONG
long LONG
Definition: pedump.c:60
f1
#define f1(x, y, z)
Definition: sha1.c:30
_BLTINFO::DestRect
RECTL DestRect
Definition: dib.h:26
_BLTINFO::SourceSurface
SURFOBJ * SourceSurface
Definition: dib.h:23
_BLTINFO::DestSurface
SURFOBJ * DestSurface
Definition: dib.h:22
_BLTINFO::SourcePoint
POINTL SourcePoint
Definition: dib.h:27
_BLTINFO::XlateSourceToDest
XLATEOBJ * XlateSourceToDest
Definition: dib.h:25
_POINTL::y
LONG y
Definition: windef.h:330
_POINTL::x
LONG x
Definition: windef.h:329
_SIZE::cx
LONG cx
Definition: kdterminal.h:27
_SIZE::cy
LONG cy
Definition: kdterminal.h:28
_SURFOBJ::fjBitmap
USHORT fjBitmap
Definition: winddi.h:1217
_SURFOBJ::sizlBitmap
SIZEL sizlBitmap
Definition: winddi.h:1209
_SURFOBJ::iBitmapFormat
ULONG iBitmapFormat
Definition: winddi.h:1215
_SURFOBJ::pvScan0
PVOID pvScan0
Definition: winddi.h:1212
_SURFOBJ::lDelta
LONG lDelta
Definition: winddi.h:1213
_XLATEOBJ::flXlate
FLONG flXlate
Definition: winddi.h:1256
RtlMoveMemory
#define RtlMoveMemory(Destination, Source, Length)
Definition: typedefs.h:264
Index
_In_ WDFCOLLECTION _In_ ULONG Index
Definition: wdfcollection.h:182
altnotmask
unsigned char altnotmask[2]
Definition: dib.c:18
DIB_1BPP_GetPixel
ULONG DIB_1BPP_GetPixel(SURFOBJ *, LONG, LONG)
Definition: dib1bpp.c:30
RECTL_vMakeWellOrdered
VOID FASTCALL RECTL_vMakeWellOrdered(_Inout_ RECTL *prcl)
Definition: rect.c:81
TAG_DIB
#define TAG_DIB
Definition: tags.h:17
BMF_16BPP
#define BMF_16BPP
Definition: winddi.h:358
BMF_8BPP
#define BMF_8BPP
Definition: winddi.h:357
BMF_1BPP
#define BMF_1BPP
Definition: winddi.h:355
XLATEOBJ_iXlate
ENGAPI ULONG APIENTRY XLATEOBJ_iXlate(_In_ XLATEOBJ *pxlo, _In_ ULONG iColor)
Definition: xlateobj.c:664
BMF_24BPP
#define BMF_24BPP
Definition: winddi.h:359
BMF_TOPDOWN
#define BMF_TOPDOWN
Definition: winddi.h:1180
BMF_32BPP
#define BMF_32BPP
Definition: winddi.h:360
XO_TRIVIAL
#define XO_TRIVIAL
Definition: winddi.h:1247
BMF_4BPP
#define BMF_4BPP
Definition: winddi.h:356

◆ DIB_16BPP_ColorFill()

BOOLEAN DIB_16BPP_ColorFill ( SURFOBJ *  DestSurface,
RECTL *  DestRect,
ULONG  color 
)

Definition at line 673 of file dib16bpp.c.

674{
675 LONG DestY;
676
677 /* Make WellOrdered with top < bottom and left < right */
678 RECTL_vMakeWellOrdered(DestRect);
679
680#if defined(_M_IX86) && !defined(_MSC_VER)
681 /* This is about 10% faster than the generic C code below */
682 ULONG delta = DestSurface->lDelta;
683 ULONG width = (DestRect->right - DestRect->left) ;
684 PULONG pos = (PULONG) ((PBYTE)DestSurface->pvScan0 + DestRect->top * delta + (DestRect->left<<1));
685 color = (color&0xffff); /* If the color value is "abcd", put "abcdabcd" into color */
686 color += (color<<16);
687
688 for (DestY = DestRect->top; DestY< DestRect->bottom; DestY++)
689 {
690 __asm__ __volatile__ (
691 "cld\n\t"
692 "mov %1,%%ebx\n\t"
693 "mov %2,%%edi\n\t"
694 "test $0x03, %%edi\n\t" /* Align to fullword boundary */
695 "jz 1f\n\t"
696 "stosw\n\t"
697 "dec %%ebx\n\t"
698 "jz 2f\n"
699 "1:\n\t"
700 "mov %%ebx,%%ecx\n\t" /* Setup count of fullwords to fill */
701 "shr $1,%%ecx\n\t"
702 "rep stosl\n\t" /* The actual fill */
703 "test $0x01, %%ebx\n\t" /* One left to do at the right side? */
704 "jz 2f\n\t"
705 "stosw\n"
706 "2:"
707 :
708 : "a" (color), "r" (width), "m" (pos)
709 : "%ecx", "%ebx", "%edi");
710 pos =(PULONG)((ULONG_PTR)pos + delta);
711 }
712#else /* _M_IX86 */
713
714 for (DestY = DestRect->top; DestY< DestRect->bottom; DestY++)
715 {
716 DIB_16BPP_HLine (DestSurface, DestRect->left, DestRect->right, DestY, color);
717 }
718#endif
719 return TRUE;
720}
DIB_16BPP_HLine
VOID DIB_16BPP_HLine(SURFOBJ *SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
Definition: dib16bpp.c:38
width
GLint GLint GLsizei width
Definition: gl.h:1546
color
GLuint color
Definition: glext.h:6243
__asm__
__asm__(".p2align 4, 0x90\n" ".seh_proc __seh2_global_filter_func\n" "__seh2_global_filter_func:\n" "\tsub %rbp, %rax\n" "\tpush %rbp\n" "\t.seh_pushreg %rbp\n" "\tsub $32, %rsp\n" "\t.seh_stackalloc 32\n" "\t.seh_endprologue\n" "\tsub %rax, %rdx\n" "\tmov %rdx, %rbp\n" "\tjmp *%r8\n" "__seh2_global_filter_func_exit:\n" "\t.p2align 4\n" "\tadd $32, %rsp\n" "\tpop %rbp\n" "\tret\n" "\t.seh_endproc")
PULONG
uint32_t * PULONG
Definition: typedefs.h:59
ULONG_PTR
uint32_t ULONG_PTR
Definition: typedefs.h:65
ULONG
uint32_t ULONG
Definition: typedefs.h:59

◆ DIB_16BPP_GetPixel()

ULONG DIB_16BPP_GetPixel ( SURFOBJ *  SurfObj,
LONG  x,
LONG  y 
)

Definition at line 30 of file dib16bpp.c.

31{
32 PBYTE byteaddr = (PBYTE)SurfObj->pvScan0 + y * SurfObj->lDelta;
33 PWORD addr = (PWORD)byteaddr + x;
34 return (ULONG)(*addr);
35}
x
GLint GLint GLint GLint GLint x
Definition: gl.h:1548
y
GLint GLint GLint GLint GLint GLint y
Definition: gl.h:1548
addr
GLenum const GLvoid * addr
Definition: glext.h:9621

Referenced by DIB_16BPP_AlphaBlend(), and DIB_1BPP_BitBltSrcCopy().

◆ DIB_16BPP_HLine()

VOID DIB_16BPP_HLine ( SURFOBJ *  SurfObj,
LONG  x1,
LONG  x2,
LONG  y,
ULONG  c 
)

Definition at line 38 of file dib16bpp.c.

39{
40 PDWORD addr = (PDWORD)((PWORD)((PBYTE)SurfObj->pvScan0 + y * SurfObj->lDelta) + x1);
41
42#if defined(_M_IX86) && !defined(_MSC_VER)
43 /* This is about 10% faster than the generic C code below */
44 LONG Count = x2 - x1;
45
46 __asm__ __volatile__ (
47 " cld\n"
48 " mov %0, %%eax\n"
49 " shl $16, %%eax\n"
50 " andl $0xffff, %0\n" /* If the pixel value is "abcd", put "abcdabcd" in %eax */
51 " or %0, %%eax\n"
52 " mov %2, %%edi\n"
53 " test $0x03, %%edi\n" /* Align to fullword boundary */
54 " jz 0f\n"
55 " stosw\n"
56 " dec %1\n"
57 " jz 1f\n"
58 "0:\n"
59 " mov %1,%%ecx\n" /* Setup count of fullwords to fill */
60 " shr $1,%%ecx\n"
61 " rep stosl\n" /* The actual fill */
62 " test $0x01, %1\n" /* One left to do at the right side? */
63 " jz 1f\n"
64 " stosw\n"
65 "1:\n"
66 : /* no output */
67 : "r"(c), "r"(Count), "m"(addr)
68 : "%eax", "%ecx", "%edi");
69#else /* _M_IX86 */
70 LONG cx = x1;
71 DWORD cc;
72
73 if (0 != (cx & 0x01))
74 {
75 *((PWORD) addr) = (WORD)c;
76 cx++;
77 addr = (PDWORD)((PWORD)(addr) + 1);
78 }
79 cc = ((c & 0xffff) << 16) | (c & 0xffff);
80 while(cx + 1 < x2)
81 {
82 *addr++ = cc;
83 cx += 2;
84 }
85 if (cx < x2)
86 {
87 *((PWORD) addr) = (WORD)c;
88 }
89#endif /* _M_IX86 */
90}
c
const GLubyte * c
Definition: glext.h:8905
cc
uint32_t cc
Definition: isohybrid.c:75
Count
int Count
Definition: noreturn.cpp:7
cx
_Out_opt_ int * cx
Definition: commctrl.h:585
x2
_In_ CLIPOBJ _In_ BRUSHOBJ _In_ LONG _In_ LONG _In_ LONG x2
Definition: winddi.h:3710
x1
_In_ CLIPOBJ _In_ BRUSHOBJ _In_ LONG x1
Definition: winddi.h:3708

Referenced by DIB_16BPP_ColorFill().

◆ DIB_16BPP_PutPixel()

VOID DIB_16BPP_PutPixel ( SURFOBJ *  SurfObj,
LONG  x,
LONG  y,
ULONG  c 
)

Definition at line 21 of file dib16bpp.c.

22{
23 PBYTE byteaddr = (PBYTE)SurfObj->pvScan0 + y * SurfObj->lDelta;
24 PWORD addr = (PWORD)byteaddr + x;
25
26 *addr = (WORD)c;
27}

Referenced by DIB_16BPP_AlphaBlend(), and DIB_16BPP_BitBltSrcCopy().

◆ DIB_16BPP_TransparentBlt()

BOOLEAN DIB_16BPP_TransparentBlt ( SURFOBJ *  DestSurf,
SURFOBJ *  SourceSurf,
RECTL *  DestRect,
RECTL *  SourceRect,
XLATEOBJ *  ColorTranslation,
ULONG  iTransColor 
)

Definition at line 723 of file dib16bpp.c.

726{
727 LONG RoundedRight, X, Y, SourceX = 0, SourceY = 0, wd;
728 ULONG *DestBits, Source, Dest;
729
730 LONG DstHeight;
731 LONG DstWidth;
732 LONG SrcHeight;
733 LONG SrcWidth;
734
735 DstHeight = DestRect->bottom - DestRect->top;
736 DstWidth = DestRect->right - DestRect->left;
737 SrcHeight = SourceRect->bottom - SourceRect->top;
738 SrcWidth = SourceRect->right - SourceRect->left;
739
740 RoundedRight = DestRect->right - ((DestRect->right - DestRect->left) & 0x1);
741 DestBits = (ULONG*)((PBYTE)DestSurf->pvScan0 +
742 (DestRect->left << 1) +
743 DestRect->top * DestSurf->lDelta);
744 wd = DestSurf->lDelta - ((DestRect->right - DestRect->left) << 1);
745
746 for(Y = DestRect->top; Y < DestRect->bottom; Y++)
747 {
748 SourceY = SourceRect->top+(Y - DestRect->top) * SrcHeight / DstHeight;
749 for(X = DestRect->left; X < RoundedRight; X += 2, DestBits++, SourceX += 2)
750 {
751 Dest = *DestBits;
752
753 SourceX = SourceRect->left+(X - DestRect->left) * SrcWidth / DstWidth;
754 if (SourceX >= 0 && SourceY >= 0 &&
755 SourceSurf->sizlBitmap.cx > SourceX && SourceSurf->sizlBitmap.cy > SourceY)
756 {
757 Source = DIB_GetSourceIndex(SourceSurf, SourceX, SourceY);
758 if(Source != iTransColor)
759 {
760 Dest &= 0xFFFF0000;
761 Dest |= (XLATEOBJ_iXlate(ColorTranslation, Source) & 0xFFFF);
762 }
763 }
764
765 SourceX = SourceRect->left+(X+1 - DestRect->left) * SrcWidth / DstWidth;
766 if (SourceX >= 0 && SourceY >= 0 &&
767 SourceSurf->sizlBitmap.cx > SourceX && SourceSurf->sizlBitmap.cy > SourceY)
768 {
769 Source = DIB_GetSourceIndex(SourceSurf, SourceX, SourceY);
770 if(Source != iTransColor)
771 {
772 Dest &= 0xFFFF;
773 Dest |= (XLATEOBJ_iXlate(ColorTranslation, Source) << 16);
774 }
775 }
776
777 *DestBits = Dest;
778 }
779
780 if(X < DestRect->right)
781 {
782 SourceX = SourceRect->left+(X - DestRect->left) * SrcWidth / DstWidth;
783 if (SourceX >= 0 && SourceY >= 0 &&
784 SourceSurf->sizlBitmap.cx > SourceX && SourceSurf->sizlBitmap.cy > SourceY)
785 {
786 Source = DIB_GetSourceIndex(SourceSurf, SourceX, SourceY);
787 if(Source != iTransColor)
788 {
789 *((USHORT*)DestBits) = (USHORT)XLATEOBJ_iXlate(ColorTranslation,
790 Source);
791 }
792 }
793
794 DestBits = (PULONG)((ULONG_PTR)DestBits + 2);
795 }
796
797 DestBits = (ULONG*)((ULONG_PTR)DestBits + wd);
798 }
799
800 return TRUE;
801}
Y
#define Y(I)
X
#define X(b, s)
USHORT
unsigned short USHORT
Definition: pedump.c:61
DIB_GetSourceIndex
#define DIB_GetSourceIndex(SourceSurf, sx, sy)
Definition: dib.h:141
iTransColor
_In_ SURFOBJ _In_ CLIPOBJ _In_opt_ XLATEOBJ _In_ RECTL _In_ RECTL _In_ ULONG iTransColor
Definition: winddi.h:4195

◆ DIB_16BPP_VLine()

VOID DIB_16BPP_VLine ( SURFOBJ *  SurfObj,
LONG  x,
LONG  y1,
LONG  y2,
ULONG  c 
)

Definition at line 94 of file dib16bpp.c.

95{
96#if defined(_M_IX86) && !defined(_MSC_VER)
97 asm volatile(
98 " testl %2, %2" "\n\t"
99 " jle 2f" "\n\t"
100 " movl %2, %%ecx" "\n\t"
101 " shrl $2, %2" "\n\t"
102 " andl $3, %%ecx" "\n\t"
103 " jz 1f" "\n\t"
104 "0:" "\n\t"
105 " movw %%ax, (%0)" "\n\t"
106 " addl %1, %0" "\n\t"
107 " decl %%ecx" "\n\t"
108 " jnz 0b" "\n\t"
109 " testl %2, %2" "\n\t"
110 " jz 2f" "\n\t"
111 "1:" "\n\t"
112 " movw %%ax, (%0)" "\n\t"
113 " addl %1, %0" "\n\t"
114 " movw %%ax, (%0)" "\n\t"
115 " addl %1, %0" "\n\t"
116 " movw %%ax, (%0)" "\n\t"
117 " addl %1, %0" "\n\t"
118 " movw %%ax, (%0)" "\n\t"
119 " addl %1, %0" "\n\t"
120 " decl %2" "\n\t"
121 " jnz 1b" "\n\t"
122 "2:" "\n\t"
123 : /* no output */
124 : "r"((PBYTE)SurfObj->pvScan0 + (y1 * SurfObj->lDelta) + (x * sizeof (WORD))),
125 "r"(SurfObj->lDelta), "r"(y2 - y1), "a"(c)
126 : "cc", "memory", "%ecx");
127#else
128 PBYTE byteaddr = (PBYTE)(ULONG_PTR)SurfObj->pvScan0 + y1 * SurfObj->lDelta;
129 PWORD addr = (PWORD)byteaddr + x;
130 LONG lDelta = SurfObj->lDelta;
131
132 byteaddr = (PBYTE)addr;
133 while(y1++ < y2)
134 {
135 *addr = (WORD)c;
136
137 byteaddr += lDelta;
138 addr = (PWORD)byteaddr;
139 }
140#endif
141}
y1
_In_ CLIPOBJ _In_ BRUSHOBJ _In_ LONG _In_ LONG y1
Definition: winddi.h:3709
y2
_In_ CLIPOBJ _In_ BRUSHOBJ _In_ LONG _In_ LONG _In_ LONG _In_ LONG y2
Definition: winddi.h:3711