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author | marha <marha@users.sourceforge.net> | 2012-01-25 08:32:49 +0100 |
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committer | marha <marha@users.sourceforge.net> | 2012-01-25 08:32:49 +0100 |
commit | 0c1cee47049afdcf74d87a23f4f4fd57867f6798 (patch) | |
tree | 14c117114d1b996e5b04e6546b1580ea53bc26f2 /mesalib/src/mesa/drivers/dri/swrast/swrast_span.c | |
parent | 5be921907008288d6465962063bc10fd7a5b1906 (diff) | |
parent | e6432710d8a586386b3c7025e845cf4f80830da3 (diff) | |
download | vcxsrv-0c1cee47049afdcf74d87a23f4f4fd57867f6798.tar.gz vcxsrv-0c1cee47049afdcf74d87a23f4f4fd57867f6798.tar.bz2 vcxsrv-0c1cee47049afdcf74d87a23f4f4fd57867f6798.zip |
Merge remote-tracking branch 'origin/released'
Diffstat (limited to 'mesalib/src/mesa/drivers/dri/swrast/swrast_span.c')
-rw-r--r-- | mesalib/src/mesa/drivers/dri/swrast/swrast_span.c | 347 |
1 files changed, 0 insertions, 347 deletions
diff --git a/mesalib/src/mesa/drivers/dri/swrast/swrast_span.c b/mesalib/src/mesa/drivers/dri/swrast/swrast_span.c deleted file mode 100644 index ba6174f9d..000000000 --- a/mesalib/src/mesa/drivers/dri/swrast/swrast_span.c +++ /dev/null @@ -1,347 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 7.1 - * - * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. - * Copyright 2008, 2010 George Sapountzis <gsapountzis@gmail.com> - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#include "swrast_priv.h" - -#define YFLIP(_xrb, Y) ((_xrb)->Base.Height - (Y) - 1) - -/* - * Dithering support takes the "computation" extreme in the "computation vs. - * storage" trade-off. This approach is very simple to implement and any - * computational overhead should be acceptable. XMesa uses table lookups for - * around 8KB of storage overhead per visual. - */ -#define DITHER 1 - -static const GLubyte kernel[16] = { - 0*16, 8*16, 2*16, 10*16, - 12*16, 4*16, 14*16, 6*16, - 3*16, 11*16, 1*16, 9*16, - 15*16, 7*16, 13*16, 5*16, -}; - -#if DITHER -#define DITHER_COMP(X, Y) kernel[((X) & 0x3) | (((Y) & 0x3) << 2)] - -#define DITHER_CLAMP(X) (((X) < 255) ? (X) : 255) -#else -#define DITHER_COMP(X, Y) 0 - -#define DITHER_CLAMP(X) (X) -#endif - - -/* - * Pixel macros shared across front/back buffer span functions. - */ - -/* 32-bit BGRA */ -#define STORE_PIXEL_A8R8G8B8(DST, X, Y, VALUE) \ - *DST = VALUE[ACOMP] << 24 | VALUE[RCOMP] << 16 | VALUE[GCOMP] << 8 | VALUE[BCOMP] -#define STORE_PIXEL_RGB_A8R8G8B8(DST, X, Y, VALUE) \ - *DST = 0xff << 24 | VALUE[RCOMP] << 16 | VALUE[GCOMP] << 8 | VALUE[BCOMP] -#define FETCH_PIXEL_A8R8G8B8(DST, SRC) \ - 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 = 0xff << 24 | VALUE[RCOMP] << 16 | VALUE[GCOMP] << 8 | VALUE[BCOMP] -#define STORE_PIXEL_RGB_X8R8G8B8(DST, X, Y, VALUE) \ - *DST = 0xff << 24 | VALUE[RCOMP] << 16 | VALUE[GCOMP] << 8 | VALUE[BCOMP] -#define FETCH_PIXEL_X8R8G8B8(DST, SRC) \ - 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; \ - *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 { \ - DST[ACOMP] = 0xff; \ - DST[RCOMP] = ((*SRC >> 8) & 0xf8) * 255 / 0xf8; \ - DST[GCOMP] = ((*SRC >> 3) & 0xfc) * 255 / 0xfc; \ - DST[BCOMP] = ((*SRC << 3) & 0xf8) * 255 / 0xf8; \ - } while(0) - - -/* 8-bit BGR */ -#define STORE_PIXEL_R3G3B2(DST, X, Y, VALUE) \ - do { \ - int d = DITHER_COMP(X, Y) >> 3; \ - GLubyte *p = (GLubyte *)DST; \ - *p = ( ((DITHER_CLAMP((VALUE[RCOMP]) + d) & 0xe0) >> 5) | \ - ((DITHER_CLAMP((VALUE[GCOMP]) + d) & 0xe0) >> 2) | \ - ((DITHER_CLAMP((VALUE[BCOMP]) + d) & 0xc0) >> 0) ); \ - } while(0) -#define FETCH_PIXEL_R3G3B2(DST, SRC) \ - do { \ - GLubyte p = *(GLubyte *)SRC; \ - DST[ACOMP] = 0xff; \ - DST[RCOMP] = ((p << 5) & 0xe0) * 255 / 0xe0; \ - DST[GCOMP] = ((p << 2) & 0xe0) * 255 / 0xe0; \ - DST[BCOMP] = ((p << 0) & 0xc0) * 255 / 0xc0; \ - } while(0) - - -/* - * Generate code for back-buffer span functions. - */ - -/* 32-bit BGRA */ -#define NAME(FUNC) FUNC##_A8R8G8B8 -#define RB_TYPE GLubyte -#define SPAN_VARS \ - struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb); -#define INIT_PIXEL_PTR(P, X, Y) \ - 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) \ - STORE_PIXEL_RGB_A8R8G8B8(DST, X, Y, VALUE) -#define FETCH_PIXEL(DST, SRC) \ - FETCH_PIXEL_A8R8G8B8(DST, SRC) - -#include "swrast/s_spantemp.h" - - -/* 32-bit BGRX */ -#define NAME(FUNC) FUNC##_X8R8G8B8 -#define RB_TYPE GLubyte -#define SPAN_VARS \ - struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb); -#define INIT_PIXEL_PTR(P, X, Y) \ - 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) \ - STORE_PIXEL_RGB_X8R8G8B8(DST, X, Y, VALUE) -#define FETCH_PIXEL(DST, SRC) \ - FETCH_PIXEL_X8R8G8B8(DST, SRC) - -#include "swrast/s_spantemp.h" - - -/* 16-bit BGR */ -#define NAME(FUNC) FUNC##_R5G6B5 -#define RB_TYPE GLubyte -#define SPAN_VARS \ - struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb); -#define INIT_PIXEL_PTR(P, X, Y) \ - 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) \ - FETCH_PIXEL_R5G6B5(DST, SRC) - -#include "swrast/s_spantemp.h" - - -/* 8-bit BGR */ -#define NAME(FUNC) FUNC##_R3G3B2 -#define RB_TYPE GLubyte -#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) * 1; -#define INC_PIXEL_PTR(P) P += 1 -#define STORE_PIXEL(DST, X, Y, VALUE) \ - STORE_PIXEL_R3G3B2(DST, X, Y, VALUE) -#define FETCH_PIXEL(DST, SRC) \ - FETCH_PIXEL_R3G3B2(DST, SRC) - -#include "swrast/s_spantemp.h" - - -/* - * Generate code for front-buffer span functions. - */ - -/* 32-bit BGRA */ -#define NAME(FUNC) FUNC##_A8R8G8B8_front -#define RB_TYPE GLubyte -#define SPAN_VARS \ - struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb); -#define INIT_PIXEL_PTR(P, X, Y) \ - 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) \ - STORE_PIXEL_RGB_A8R8G8B8(DST, X, Y, VALUE) -#define FETCH_PIXEL(DST, SRC) \ - FETCH_PIXEL_A8R8G8B8(DST, SRC) - -#include "swrast_spantemp.h" - - -/* 32-bit BGRX */ -#define NAME(FUNC) FUNC##_X8R8G8B8_front -#define RB_TYPE GLubyte -#define SPAN_VARS \ - struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb); -#define INIT_PIXEL_PTR(P, X, Y) \ - 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) \ - STORE_PIXEL_RGB_X8R8G8B8(DST, X, Y, VALUE) -#define FETCH_PIXEL(DST, SRC) \ - FETCH_PIXEL_X8R8G8B8(DST, SRC) - -#include "swrast_spantemp.h" - - -/* 16-bit BGR */ -#define NAME(FUNC) FUNC##_R5G6B5_front -#define RB_TYPE GLubyte -#define SPAN_VARS \ - struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb); -#define INIT_PIXEL_PTR(P, X, Y) \ - GLushort *P = (GLushort *)row; -#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) \ - FETCH_PIXEL_R5G6B5(DST, SRC) - -#include "swrast_spantemp.h" - - -/* 8-bit BGR */ -#define NAME(FUNC) FUNC##_R3G3B2_front -#define RB_TYPE GLubyte -#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 += 1 -#define STORE_PIXEL(DST, X, Y, VALUE) \ - STORE_PIXEL_R3G3B2(DST, X, Y, VALUE) -#define FETCH_PIXEL(DST, SRC) \ - FETCH_PIXEL_R3G3B2(DST, SRC) - -#include "swrast_spantemp.h" - - -/* - * Back-buffers are malloced memory and always private. - * - * BACK_PIXMAP (not supported) - * BACK_XIMAGE - */ -void -swrast_set_span_funcs_back(struct swrast_renderbuffer *xrb, - GLuint pixel_format) -{ - switch (pixel_format) { - case PF_A8R8G8B8: - xrb->Base.GetRow = get_row_A8R8G8B8; - xrb->Base.GetValues = get_values_A8R8G8B8; - xrb->Base.PutRow = put_row_A8R8G8B8; - xrb->Base.PutValues = put_values_A8R8G8B8; - break; - case PF_X8R8G8B8: - xrb->Base.GetRow = get_row_X8R8G8B8; - xrb->Base.GetValues = get_values_X8R8G8B8; - xrb->Base.PutRow = put_row_X8R8G8B8; - xrb->Base.PutValues = put_values_X8R8G8B8; - break; - case PF_R5G6B5: - xrb->Base.GetRow = get_row_R5G6B5; - xrb->Base.GetValues = get_values_R5G6B5; - xrb->Base.PutRow = put_row_R5G6B5; - xrb->Base.PutValues = put_values_R5G6B5; - break; - case PF_R3G3B2: - xrb->Base.GetRow = get_row_R3G3B2; - xrb->Base.GetValues = get_values_R3G3B2; - xrb->Base.PutRow = put_row_R3G3B2; - xrb->Base.PutValues = put_values_R3G3B2; - break; - default: - assert(0); - return; - } -} - - -/* - * Front-buffers are provided by the loader, the xorg loader uses pixmaps. - * - * WINDOW, An X window - * GLXWINDOW, GLX window - * PIXMAP, GLX pixmap - * PBUFFER GLX Pbuffer - */ -void -swrast_set_span_funcs_front(struct swrast_renderbuffer *xrb, - GLuint pixel_format) -{ - switch (pixel_format) { - case PF_A8R8G8B8: - xrb->Base.GetRow = get_row_A8R8G8B8_front; - xrb->Base.GetValues = get_values_A8R8G8B8_front; - xrb->Base.PutRow = put_row_A8R8G8B8_front; - xrb->Base.PutValues = put_values_A8R8G8B8_front; - break; - case PF_X8R8G8B8: - xrb->Base.GetRow = get_row_X8R8G8B8_front; - xrb->Base.GetValues = get_values_X8R8G8B8_front; - xrb->Base.PutRow = put_row_X8R8G8B8_front; - xrb->Base.PutValues = put_values_X8R8G8B8_front; - break; - case PF_R5G6B5: - xrb->Base.GetRow = get_row_R5G6B5_front; - xrb->Base.GetValues = get_values_R5G6B5_front; - xrb->Base.PutRow = put_row_R5G6B5_front; - xrb->Base.PutValues = put_values_R5G6B5_front; - break; - case PF_R3G3B2: - xrb->Base.GetRow = get_row_R3G3B2_front; - xrb->Base.GetValues = get_values_R3G3B2_front; - xrb->Base.PutRow = put_row_R3G3B2_front; - xrb->Base.PutValues = put_values_R3G3B2_front; - break; - default: - assert(0); - return; - } -} |