diff options
Diffstat (limited to 'src/mesa/drivers/dri')
| -rw-r--r-- | src/mesa/drivers/dri/swrast/swrast_span.c | 72 |
1 files changed, 29 insertions, 43 deletions
diff --git a/src/mesa/drivers/dri/swrast/swrast_span.c b/src/mesa/drivers/dri/swrast/swrast_span.c index 2d3c25dcbef..f8e503463fa 100644 --- a/src/mesa/drivers/dri/swrast/swrast_span.c +++ b/src/mesa/drivers/dri/swrast/swrast_span.c @@ -63,56 +63,42 @@ static const GLubyte kernel[16] = { /* 32-bit BGRA */ #define STORE_PIXEL_A8R8G8B8(DST, X, Y, VALUE) \ - DST[3] = VALUE[ACOMP]; \ - DST[2] = VALUE[RCOMP]; \ - DST[1] = VALUE[GCOMP]; \ - DST[0] = VALUE[BCOMP] + *DST = VALUE[ACOMP] << 24 | VALUE[RCOMP] << 16 | VALUE[GCOMP] << 8 | VALUE[BCOMP] #define STORE_PIXEL_RGB_A8R8G8B8(DST, X, Y, VALUE) \ - DST[3] = 0xff; \ - DST[2] = VALUE[RCOMP]; \ - DST[1] = VALUE[GCOMP]; \ - DST[0] = VALUE[BCOMP] + *DST = 0xff << 24 | VALUE[RCOMP] << 16 | VALUE[GCOMP] << 8 | VALUE[BCOMP] #define FETCH_PIXEL_A8R8G8B8(DST, SRC) \ - DST[ACOMP] = SRC[3]; \ - DST[RCOMP] = SRC[2]; \ - DST[GCOMP] = SRC[1]; \ - DST[BCOMP] = SRC[0] + DST[ACOMP] = *SRC >> 24; \ + DST[RCOMP] = (*SRC >> 16) & 0xff; \ + DST[GCOMP] = (*SRC >> 8) & 0xff; \ + DST[BCOMP] = *SRC & 0xff /* 32-bit BGRX */ #define STORE_PIXEL_X8R8G8B8(DST, X, Y, VALUE) \ - DST[3] = 0xff; \ - DST[2] = VALUE[RCOMP]; \ - DST[1] = VALUE[GCOMP]; \ - DST[0] = VALUE[BCOMP] + *DST = 0xff << 24 | VALUE[RCOMP] << 16 | VALUE[GCOMP] << 8 | VALUE[BCOMP] #define STORE_PIXEL_RGB_X8R8G8B8(DST, X, Y, VALUE) \ - DST[3] = 0xff; \ - DST[2] = VALUE[RCOMP]; \ - DST[1] = VALUE[GCOMP]; \ - DST[0] = VALUE[BCOMP] + *DST = 0xff << 24 | VALUE[RCOMP] << 16 | VALUE[GCOMP] << 8 | VALUE[BCOMP] #define FETCH_PIXEL_X8R8G8B8(DST, SRC) \ - DST[ACOMP] = 0xff; \ - DST[RCOMP] = SRC[2]; \ - DST[GCOMP] = SRC[1]; \ - DST[BCOMP] = SRC[0] + DST[ACOMP] = 0xff; \ + DST[RCOMP] = (*SRC >> 16) & 0xff; \ + DST[GCOMP] = (*SRC >> 8) & 0xff; \ + DST[BCOMP] = *SRC & 0xff /* 16-bit BGR */ #define STORE_PIXEL_R5G6B5(DST, X, Y, VALUE) \ do { \ int d = DITHER_COMP(X, Y) >> 6; \ - GLushort *p = (GLushort *)DST; \ - *p = ( ((DITHER_CLAMP((VALUE[RCOMP]) + d) & 0xf8) << 8) | \ - ((DITHER_CLAMP((VALUE[GCOMP]) + d) & 0xfc) << 3) | \ - ((DITHER_CLAMP((VALUE[BCOMP]) + d) & 0xf8) >> 3) ); \ + *DST = ( ((DITHER_CLAMP((VALUE[RCOMP]) + d) & 0xf8) << 8) | \ + ((DITHER_CLAMP((VALUE[GCOMP]) + d) & 0xfc) << 3) | \ + ((DITHER_CLAMP((VALUE[BCOMP]) + d) & 0xf8) >> 3) ); \ } while(0) #define FETCH_PIXEL_R5G6B5(DST, SRC) \ do { \ - GLushort p = *(GLushort *)SRC; \ DST[ACOMP] = 0xff; \ - DST[RCOMP] = ((p >> 8) & 0xf8) * 255 / 0xf8; \ - DST[GCOMP] = ((p >> 3) & 0xfc) * 255 / 0xfc; \ - DST[BCOMP] = ((p << 3) & 0xf8) * 255 / 0xf8; \ + DST[RCOMP] = ((*SRC >> 8) & 0xf8) * 255 / 0xf8; \ + DST[GCOMP] = ((*SRC >> 3) & 0xfc) * 255 / 0xfc; \ + DST[BCOMP] = ((*SRC << 3) & 0xf8) * 255 / 0xf8; \ } while(0) @@ -145,8 +131,8 @@ static const GLubyte kernel[16] = { #define SPAN_VARS \ struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb); #define INIT_PIXEL_PTR(P, X, Y) \ - GLubyte *P = (GLubyte *)xrb->Base.Data + YFLIP(xrb, Y) * xrb->pitch + (X) * 4; -#define INC_PIXEL_PTR(P) P += 4 + GLuint *P = (GLuint *)xrb->Base.Data + YFLIP(xrb, Y) * xrb->pitch / 4 + (X) +#define INC_PIXEL_PTR(P) P++ #define STORE_PIXEL(DST, X, Y, VALUE) \ STORE_PIXEL_A8R8G8B8(DST, X, Y, VALUE) #define STORE_PIXEL_RGB(DST, X, Y, VALUE) \ @@ -163,8 +149,8 @@ static const GLubyte kernel[16] = { #define SPAN_VARS \ struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb); #define INIT_PIXEL_PTR(P, X, Y) \ - GLubyte *P = (GLubyte *)xrb->Base.Data + YFLIP(xrb, Y) * xrb->pitch + (X) * 4; -#define INC_PIXEL_PTR(P) P += 4 + GLuint *P = (GLuint *)xrb->Base.Data + YFLIP(xrb, Y) * xrb->pitch / 4 + (X); +#define INC_PIXEL_PTR(P) P++ #define STORE_PIXEL(DST, X, Y, VALUE) \ STORE_PIXEL_X8R8G8B8(DST, X, Y, VALUE) #define STORE_PIXEL_RGB(DST, X, Y, VALUE) \ @@ -181,8 +167,8 @@ static const GLubyte kernel[16] = { #define SPAN_VARS \ struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb); #define INIT_PIXEL_PTR(P, X, Y) \ - GLubyte *P = (GLubyte *)xrb->Base.Data + YFLIP(xrb, Y) * xrb->pitch + (X) * 2; -#define INC_PIXEL_PTR(P) P += 2 + GLushort *P = (GLushort *)xrb->Base.Data + YFLIP(xrb, Y) * xrb->pitch / 2 + (X); +#define INC_PIXEL_PTR(P) P++ #define STORE_PIXEL(DST, X, Y, VALUE) \ STORE_PIXEL_R5G6B5(DST, X, Y, VALUE) #define FETCH_PIXEL(DST, SRC) \ @@ -234,8 +220,8 @@ static const GLubyte kernel[16] = { #define SPAN_VARS \ struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb); #define INIT_PIXEL_PTR(P, X, Y) \ - GLubyte *P = (GLubyte *)row; -#define INC_PIXEL_PTR(P) P += 4 + GLuint *P = (GLuint *)row; +#define INC_PIXEL_PTR(P) P++ #define STORE_PIXEL(DST, X, Y, VALUE) \ STORE_PIXEL_A8R8G8B8(DST, X, Y, VALUE) #define STORE_PIXEL_RGB(DST, X, Y, VALUE) \ @@ -252,8 +238,8 @@ static const GLubyte kernel[16] = { #define SPAN_VARS \ struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb); #define INIT_PIXEL_PTR(P, X, Y) \ - GLubyte *P = (GLubyte *)row; -#define INC_PIXEL_PTR(P) P += 4 + GLuint *P = (GLuint *)row; +#define INC_PIXEL_PTR(P) P++ #define STORE_PIXEL(DST, X, Y, VALUE) \ STORE_PIXEL_X8R8G8B8(DST, X, Y, VALUE) #define STORE_PIXEL_RGB(DST, X, Y, VALUE) \ @@ -270,7 +256,7 @@ static const GLubyte kernel[16] = { #define SPAN_VARS \ struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb); #define INIT_PIXEL_PTR(P, X, Y) \ - GLubyte *P = (GLubyte *)row; + GLushort *P = (GLushort *)row; #define INC_PIXEL_PTR(P) P += 2 #define STORE_PIXEL(DST, X, Y, VALUE) \ STORE_PIXEL_R5G6B5(DST, X, Y, VALUE) |