diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/mga/mgaspan.c')
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/mga/mgaspan.c | 312 |
1 files changed, 0 insertions, 312 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/mga/mgaspan.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/mga/mgaspan.c deleted file mode 100644 index c62b1c875..000000000 --- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/mga/mgaspan.c +++ /dev/null @@ -1,312 +0,0 @@ -/* - * Copyright 2000-2001 VA Linux Systems, Inc. - * All Rights Reserved. - * - * 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 - * on the rights to use, copy, modify, merge, publish, distribute, sub - * license, 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 (including the next - * paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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. - * - * Authors: - * Keith Whitwell <keith@tungstengraphics.com> - */ -/* $XFree86: xc/lib/GL/mesa/src/drv/mga/mgaspan.c,v 1.11 2002/10/30 12:51:36 alanh Exp $ */ - -#include "mtypes.h" -#include "mgadd.h" -#include "mgacontext.h" -#include "mgaspan.h" -#include "mgaioctl.h" -#include "swrast/swrast.h" - -#define DBG 0 - -#define LOCAL_VARS \ - mgaContextPtr mmesa = MGA_CONTEXT(ctx); \ - __DRIdrawablePrivate *dPriv = mmesa->mesa_drawable; \ - mgaScreenPrivate *mgaScreen = mmesa->mgaScreen; \ - __DRIscreenPrivate *sPriv = mmesa->driScreen; \ - GLuint pitch = mgaScreen->frontPitch; \ - GLuint height = dPriv->h; \ - char *read_buf = (char *)(sPriv->pFB + \ - mmesa->readOffset + \ - dPriv->x * mgaScreen->cpp + \ - dPriv->y * pitch); \ - char *buf = (char *)(sPriv->pFB + \ - mmesa->drawOffset + \ - dPriv->x * mgaScreen->cpp + \ - dPriv->y * pitch); \ - GLuint p; \ - (void) read_buf; (void) buf; (void) p - - - -#define LOCAL_DEPTH_VARS \ - mgaContextPtr mmesa = MGA_CONTEXT(ctx); \ - __DRIdrawablePrivate *dPriv = mmesa->mesa_drawable; \ - mgaScreenPrivate *mgaScreen = mmesa->mgaScreen; \ - __DRIscreenPrivate *sPriv = mmesa->driScreen; \ - GLuint pitch = mgaScreen->frontPitch; \ - GLuint height = dPriv->h; \ - char *buf = (char *)(sPriv->pFB + \ - mgaScreen->depthOffset + \ - dPriv->x * mgaScreen->cpp + \ - dPriv->y * pitch) - -#define LOCAL_STENCIL_VARS LOCAL_DEPTH_VARS - -#define HW_LOCK() - -/* FIXME could/should we use dPriv->numClipRects like the other drivers? */ -#define HW_CLIPLOOP() \ - do { \ - int _nc = mmesa->numClipRects; \ - while (_nc--) { \ - int minx = mmesa->pClipRects[_nc].x1 - mmesa->drawX; \ - int miny = mmesa->pClipRects[_nc].y1 - mmesa->drawY; \ - int maxx = mmesa->pClipRects[_nc].x2 - mmesa->drawX; \ - int maxy = mmesa->pClipRects[_nc].y2 - mmesa->drawY; - -#define HW_ENDCLIPLOOP() \ - } \ - } while (0) - -#define HW_UNLOCK() - - - -#define Y_FLIP(_y) (height - _y - 1) - -/* 16 bit, RGB565 color spanline and pixel functions - */ -#define SPANTMP_PIXEL_FMT GL_RGB -#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_SHORT_5_6_5 - -#define TAG(x) mga##x##_565 -#define TAG2(x,y) mga##x##_565##y -#include "spantmp2.h" - -/* 32 bit, ARGB8888 color spanline and pixel functions - */ -#define SPANTMP_PIXEL_FMT GL_BGRA -#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV - -#define TAG(x) mga##x##_8888 -#define TAG2(x,y) mga##x##_8888##y -#include "spantmp2.h" - - -/* 16 bit depthbuffer functions. - */ -#define WRITE_DEPTH( _x, _y, d ) \ - *(GLushort *)(buf + (_x)*2 + (_y)*pitch) = d; - -#define READ_DEPTH( d, _x, _y ) \ - d = *(GLushort *)(buf + (_x)*2 + (_y)*pitch); - -#define TAG(x) mga##x##_16 -#include "depthtmp.h" - - - - -/* 32 bit depthbuffer functions. - */ -#define WRITE_DEPTH( _x, _y, d ) \ - *(GLuint *)(buf + (_x)*4 + (_y)*pitch) = d; - -#define READ_DEPTH( d, _x, _y ) \ - d = *(GLuint *)(buf + (_x)*4 + (_y)*pitch); - -#define TAG(x) mga##x##_32 -#include "depthtmp.h" - - - -/* 24/8 bit interleaved depth/stencil functions - */ -#define WRITE_DEPTH( _x, _y, d ) { \ - GLuint tmp = *(GLuint *)(buf + (_x)*4 + (_y)*pitch); \ - tmp &= 0xff; \ - tmp |= (d) << 8; \ - *(GLuint *)(buf + (_x)*4 + (_y)*pitch) = tmp; \ -} - -#define READ_DEPTH( d, _x, _y ) { \ - d = (*(GLuint *)(buf + (_x)*4 + (_y)*pitch) & ~0xff) >> 8; \ -} - -#define TAG(x) mga##x##_24_8 -#include "depthtmp.h" - -#define WRITE_STENCIL( _x, _y, d ) { \ - GLuint tmp = *(GLuint *)(buf + _x*4 + _y*pitch); \ - tmp &= 0xffffff00; \ - tmp |= d & 0xff; \ - *(GLuint *)(buf + _x*4 + _y*pitch) = tmp; \ -} - -#define READ_STENCIL( d, _x, _y ) \ - d = *(GLuint *)(buf + _x*4 + _y*pitch) & 0xff; - -#define TAG(x) mga##x##_24_8 -#include "stenciltmp.h" - - - -/* - * This function is called to specify which buffer to read and write - * for software rasterization (swrast) fallbacks. This doesn't necessarily - * correspond to glDrawBuffer() or glReadBuffer() calls. - */ -static void mgaDDSetBuffer(GLcontext *ctx, GLframebuffer *buffer, - GLuint bufferBit) -{ - mgaContextPtr mmesa = MGA_CONTEXT(ctx); - unsigned int offset; - - assert((bufferBit == BUFFER_BIT_FRONT_LEFT) || (bufferBit == BUFFER_BIT_BACK_LEFT)); - - offset = (bufferBit == BUFFER_BIT_FRONT_LEFT) - ? mmesa->mgaScreen->frontOffset - : mmesa->mgaScreen->backOffset; - - mmesa->drawOffset = offset; - mmesa->readOffset = offset; - - assert( (buffer == mmesa->driDrawable->driverPrivate) - || (buffer == mmesa->driReadable->driverPrivate) ); - - mmesa->mesa_drawable = (buffer == mmesa->driDrawable->driverPrivate) - ? mmesa->driDrawable : mmesa->driReadable; -} - -void mgaSpanRenderStart( GLcontext *ctx ) -{ - mgaContextPtr mmesa = MGA_CONTEXT(ctx); - FLUSH_BATCH( mmesa ); - LOCK_HARDWARE_QUIESCENT( mmesa ); -} - -void mgaSpanRenderFinish( GLcontext *ctx ) -{ - mgaContextPtr mmesa = MGA_CONTEXT(ctx); - _swrast_flush( ctx ); - UNLOCK_HARDWARE( mmesa ); -} - -/** - * Initialize the driver callbacks for the read / write span functions. - * - * \bug - * To really support RGB888 and RGBA8888 visuals, we need separate read and - * write routines for 888 and 8888. We also need to determine whether or not - * the visual has destination alpha. - */ -void mgaDDInitSpanFuncs( GLcontext *ctx ) -{ - mgaContextPtr mmesa = MGA_CONTEXT(ctx); - struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference(ctx); - - swdd->SetBuffer = mgaDDSetBuffer; - - switch (mmesa->mgaScreen->cpp) { - case 2: -#if 0 - mgaInitPointers_565( swdd ); - swdd->ReadDepthSpan = mgaReadDepthSpan_16; - swdd->WriteDepthSpan = mgaWriteDepthSpan_16; - swdd->ReadDepthPixels = mgaReadDepthPixels_16; - swdd->WriteDepthPixels = mgaWriteDepthPixels_16; -#endif - break; - - case 4: -#if 0 - mgaInitPointers_8888( swdd ); - - if (!mmesa->hw_stencil) { - swdd->ReadDepthSpan = mgaReadDepthSpan_32; - swdd->WriteDepthSpan = mgaWriteDepthSpan_32; - swdd->ReadDepthPixels = mgaReadDepthPixels_32; - swdd->WriteDepthPixels = mgaWriteDepthPixels_32; - } else { - swdd->ReadDepthSpan = mgaReadDepthSpan_24_8; - swdd->WriteDepthSpan = mgaWriteDepthSpan_24_8; - swdd->ReadDepthPixels = mgaReadDepthPixels_24_8; - swdd->WriteDepthPixels = mgaWriteDepthPixels_24_8; - - swdd->ReadStencilSpan = mgaReadStencilSpan_24_8; - swdd->WriteStencilSpan = mgaWriteStencilSpan_24_8; - swdd->ReadStencilPixels = mgaReadStencilPixels_24_8; - swdd->WriteStencilPixels = mgaWriteStencilPixels_24_8; - } -#endif - break; - } - swdd->SpanRenderStart = mgaSpanRenderStart; - swdd->SpanRenderFinish = mgaSpanRenderFinish; -} - - -/** - * Plug in the Get/Put routines for the given driRenderbuffer. - */ -void -mgaSetSpanFunctions(driRenderbuffer *drb, const GLvisual *vis) -{ - if (drb->Base.InternalFormat == GL_RGBA) { - if (vis->redBits == 5 && vis->greenBits == 6 && vis->blueBits == 5) { - mgaInitPointers_565(&drb->Base); - } - else { - mgaInitPointers_8888(&drb->Base); - } - } - else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT16) { - drb->Base.GetRow = mgaReadDepthSpan_16; - drb->Base.GetValues = mgaReadDepthPixels_16; - drb->Base.PutRow = mgaWriteDepthSpan_16; - drb->Base.PutMonoRow = mgaWriteMonoDepthSpan_16; - drb->Base.PutValues = mgaWriteDepthPixels_16; - drb->Base.PutMonoValues = NULL; - } - else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT24) { - drb->Base.GetRow = mgaReadDepthSpan_24_8; - drb->Base.GetValues = mgaReadDepthPixels_24_8; - drb->Base.PutRow = mgaWriteDepthSpan_24_8; - drb->Base.PutMonoRow = mgaWriteMonoDepthSpan_24_8; - drb->Base.PutValues = mgaWriteDepthPixels_24_8; - drb->Base.PutMonoValues = NULL; - } - else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT32) { - drb->Base.GetRow = mgaReadDepthSpan_32; - drb->Base.GetValues = mgaReadDepthPixels_32; - drb->Base.PutRow = mgaWriteDepthSpan_32; - drb->Base.PutMonoRow = mgaWriteMonoDepthSpan_32; - drb->Base.PutValues = mgaWriteDepthPixels_32; - drb->Base.PutMonoValues = NULL; - } - else if (drb->Base.InternalFormat == GL_STENCIL_INDEX8_EXT) { - drb->Base.GetRow = mgaReadStencilSpan_24_8; - drb->Base.GetValues = mgaReadStencilPixels_24_8; - drb->Base.PutRow = mgaWriteStencilSpan_24_8; - drb->Base.PutMonoRow = mgaWriteMonoStencilSpan_24_8; - drb->Base.PutValues = mgaWriteStencilPixels_24_8; - drb->Base.PutMonoValues = NULL; - } -} |