/* * * GLX Hardware Device Driver for Sun Creator/Creator3D * Copyright (C) 2000 David S. Miller * * 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 * DAVID MILLER, OR ANY OTHER CONTRIBUTORS 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. * * * David S. Miller <davem@redhat.com> */ #include "main/mtypes.h" #include "ffb_dd.h" #include "ffb_span.h" #include "ffb_context.h" #include "ffb_lock.h" #include "swrast/swrast.h" #define DBG 0 #define HW_LOCK() \ ffbContextPtr fmesa = FFB_CONTEXT(ctx); \ if (!fmesa->hw_locked) \ LOCK_HARDWARE(fmesa); #define HW_UNLOCK() \ if (!fmesa->hw_locked) \ UNLOCK_HARDWARE(fmesa); \ #define LOCAL_VARS \ __DRIdrawablePrivate *dPriv = fmesa->driDrawable; \ GLuint height = dPriv->h; \ GLuint p; \ char *buf; \ (void) p #define INIT_MONO_PIXEL(p, color) \ p = ((color[0] << 0) | \ (color[1] << 8) | \ (color[2] << 16)) /* We use WID clipping, so this test always passes. */ #define CLIPPIXEL(__x, __y) (1) /* And also, due to WID clipping, we need not do anything * special here. */ #define CLIPSPAN(__x,__y,__n,__x1,__n1,__i) \ __n1 = __n; \ __x1 = __x; \ #define HW_CLIPLOOP() \ do { unsigned int fbc, ppc, cmp; \ FFBWait(fmesa, fmesa->regs); \ fbc = fmesa->regs->fbc; ppc = fmesa->regs->ppc; cmp = fmesa->regs->cmp; \ fmesa->regs->fbc = ((fbc & \ ~(FFB_FBC_WB_C | FFB_FBC_ZE_MASK | FFB_FBC_RGBE_MASK)) \ | (FFB_FBC_ZE_OFF | FFB_FBC_RGBE_MASK)); \ fmesa->regs->ppc = ((ppc & \ ~(FFB_PPC_XS_MASK | FFB_PPC_ABE_MASK | FFB_PPC_DCE_MASK | \ FFB_PPC_APE_MASK | FFB_PPC_CS_MASK)) \ | (FFB_PPC_XS_WID | FFB_PPC_ABE_DISABLE | \ FFB_PPC_DCE_DISABLE | FFB_PPC_APE_DISABLE | \ FFB_PPC_CS_VAR)); \ fmesa->regs->cmp = ((cmp & ~(0xff << 16)) | (0x80 << 16)); \ fmesa->ffbScreen->rp_active = 1; \ FFBWait(fmesa, fmesa->regs); \ buf = (char *)(fmesa->sfb32 + (dPriv->x << 2) + (dPriv->y << 13));\ if (dPriv->numClipRects) { #define HW_ENDCLIPLOOP() \ } \ fmesa->regs->fbc = fbc; \ fmesa->regs->ppc = ppc; \ fmesa->regs->cmp = cmp; \ fmesa->ffbScreen->rp_active = 1; \ } while(0) #define Y_FLIP(__y) (height - __y - 1) #define READ_RGBA(rgba,__x,__y) \ do { GLuint p = *(GLuint *)(buf + ((__x)<<2) + ((__y)<<13)); \ rgba[0] = (p >> 0) & 0xff; \ rgba[1] = (p >> 8) & 0xff; \ rgba[2] = (p >> 16) & 0xff; \ rgba[3] = 0xff; \ } while(0) #define WRITE_RGBA(__x, __y, __r, __g, __b, __a) \ *(GLuint *)(buf + ((__x)<<2) + ((__y)<<13)) = \ ((((__r) & 0xff) << 0) | \ (((__g) & 0xff) << 8) | \ (((__b) & 0xff) << 16)) #define WRITE_PIXEL(__x, __y, __p) \ *(GLuint *)(buf + ((__x)<<2) + ((__y)<<13)) = (__p) #define TAG(x) ffb##x##_888 #include "spantmp.h" /** * Plug in the Get/Put routines for the given driRenderbuffer. */ void ffbSetSpanFunctions(driRenderbuffer *drb, const GLvisual *vis) { assert(vis->redBits == 8); assert(vis->greenBits == 8); assert(vis->blueBits == 8); ffbInitPointers_888(&drb->Base); }