diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/r128/r128_span.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/r128/r128_span.c | 368 |
1 files changed, 0 insertions, 368 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/r128/r128_span.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/r128/r128_span.c deleted file mode 100644 index fd4722b3b..000000000 --- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/r128/r128_span.c +++ /dev/null @@ -1,368 +0,0 @@ -/* $XFree86: xc/lib/GL/mesa/src/drv/r128/r128_span.c,v 1.8 2002/10/30 12:51:39 alanh Exp $ */ -/************************************************************************** - -Copyright 1999, 2000 ATI Technologies Inc. and Precision Insight, Inc., - Cedar Park, Texas. -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 -ATI, PRECISION INSIGHT AND/OR THEIR 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: - * Gareth Hughes <gareth@valinux.com> - * Keith Whitwell <keith@tungstengraphics.com> - * Kevin E. Martin <martin@valinux.com> - * - */ - -#include "r128_context.h" -#include "r128_ioctl.h" -#include "r128_state.h" -#include "r128_span.h" -#include "r128_tex.h" - -#include "swrast/swrast.h" - -#define DBG 0 - -#define HAVE_HW_DEPTH_SPANS 1 -#define HAVE_HW_DEPTH_PIXELS 1 - -#define LOCAL_VARS \ - r128ContextPtr rmesa = R128_CONTEXT(ctx); \ - r128ScreenPtr r128scrn = rmesa->r128Screen; \ - __DRIscreenPrivate *sPriv = rmesa->driScreen; \ - __DRIdrawablePrivate *dPriv = rmesa->driDrawable; \ - GLuint pitch = r128scrn->frontPitch * r128scrn->cpp; \ - GLuint height = dPriv->h; \ - char *buf = (char *)(sPriv->pFB + \ - rmesa->drawOffset + \ - (dPriv->x * r128scrn->cpp) + \ - (dPriv->y * pitch)); \ - char *read_buf = (char *)(sPriv->pFB + \ - rmesa->readOffset + \ - (dPriv->x * r128scrn->cpp) + \ - (dPriv->y * pitch)); \ - GLuint p; \ - (void) read_buf; (void) buf; (void) p - -#define LOCAL_DEPTH_VARS \ - r128ContextPtr rmesa = R128_CONTEXT(ctx); \ - r128ScreenPtr r128scrn = rmesa->r128Screen; \ - __DRIscreenPrivate *sPriv = rmesa->driScreen; \ - __DRIdrawablePrivate *dPriv = rmesa->driDrawable; \ - GLuint height = dPriv->h; \ - (void) r128scrn; (void) sPriv; (void) height - -#define LOCAL_STENCIL_VARS LOCAL_DEPTH_VARS - -#define Y_FLIP( _y ) (height - _y - 1) - -#define HW_LOCK() - -#define HW_UNLOCK() - - - -/* ================================================================ - * Color buffer - */ - -/* 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) r128##x##_RGB565 -#define TAG2(x,y) r128##x##_RGB565##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) r128##x##_ARGB8888 -#define TAG2(x,y) r128##x##_ARGB8888##y -#include "spantmp2.h" - - -/* ================================================================ - * Depth buffer - */ - -/* 16-bit depth buffer functions - */ - -#define WRITE_DEPTH_SPAN() \ - r128WriteDepthSpanLocked( rmesa, n, \ - x + dPriv->x, \ - y + dPriv->y, \ - depth, mask ); - -#define WRITE_DEPTH_PIXELS() \ -do { \ - GLint ox[MAX_WIDTH]; \ - GLint oy[MAX_WIDTH]; \ - for ( i = 0 ; i < n ; i++ ) { \ - ox[i] = x[i] + dPriv->x; \ - oy[i] = Y_FLIP( y[i] ) + dPriv->y; \ - } \ - r128WriteDepthPixelsLocked( rmesa, n, ox, oy, depth, mask ); \ -} while (0) - -#define READ_DEPTH_SPAN() \ -do { \ - GLushort *buf = (GLushort *)((GLubyte *)sPriv->pFB + \ - r128scrn->spanOffset); \ - GLint i; \ - \ - r128ReadDepthSpanLocked( rmesa, n, \ - x + dPriv->x, \ - y + dPriv->y ); \ - r128WaitForIdleLocked( rmesa ); \ - \ - for ( i = 0 ; i < n ; i++ ) { \ - depth[i] = buf[i]; \ - } \ -} while (0) - -#define READ_DEPTH_PIXELS() \ -do { \ - GLushort *buf = (GLushort *)((GLubyte *)sPriv->pFB + \ - r128scrn->spanOffset); \ - GLint i, remaining = n; \ - \ - while ( remaining > 0 ) { \ - GLint ox[128]; \ - GLint oy[128]; \ - GLint count; \ - \ - if ( remaining <= 128 ) { \ - count = remaining; \ - } else { \ - count = 128; \ - } \ - for ( i = 0 ; i < count ; i++ ) { \ - ox[i] = x[i] + dPriv->x; \ - oy[i] = Y_FLIP( y[i] ) + dPriv->y; \ - } \ - \ - r128ReadDepthPixelsLocked( rmesa, count, ox, oy ); \ - r128WaitForIdleLocked( rmesa ); \ - \ - for ( i = 0 ; i < count ; i++ ) { \ - depth[i] = buf[i]; \ - } \ - depth += count; \ - x += count; \ - y += count; \ - remaining -= count; \ - } \ -} while (0) - -#define TAG(x) r128##x##_16 -#include "depthtmp.h" - - -/* 24-bit depth, 8-bit stencil buffer functions - */ -#define WRITE_DEPTH_SPAN() \ - r128WriteDepthSpanLocked( rmesa, n, \ - x + dPriv->x, \ - y + dPriv->y, \ - depth, mask ); - -#define WRITE_DEPTH_PIXELS() \ -do { \ - GLint ox[MAX_WIDTH]; \ - GLint oy[MAX_WIDTH]; \ - for ( i = 0 ; i < n ; i++ ) { \ - ox[i] = x[i] + dPriv->x; \ - oy[i] = Y_FLIP( y[i] ) + dPriv->y; \ - } \ - r128WriteDepthPixelsLocked( rmesa, n, ox, oy, depth, mask ); \ -} while (0) - -#define READ_DEPTH_SPAN() \ -do { \ - GLuint *buf = (GLuint *)((GLubyte *)sPriv->pFB + \ - r128scrn->spanOffset); \ - GLint i; \ - \ - r128ReadDepthSpanLocked( rmesa, n, \ - x + dPriv->x, \ - y + dPriv->y ); \ - r128WaitForIdleLocked( rmesa ); \ - \ - for ( i = 0 ; i < n ; i++ ) { \ - depth[i] = buf[i] & 0x00ffffff; \ - } \ -} while (0) - -#define READ_DEPTH_PIXELS() \ -do { \ - GLuint *buf = (GLuint *)((GLubyte *)sPriv->pFB + \ - r128scrn->spanOffset); \ - GLint i, remaining = n; \ - \ - while ( remaining > 0 ) { \ - GLint ox[128]; \ - GLint oy[128]; \ - GLint count; \ - \ - if ( remaining <= 128 ) { \ - count = remaining; \ - } else { \ - count = 128; \ - } \ - for ( i = 0 ; i < count ; i++ ) { \ - ox[i] = x[i] + dPriv->x; \ - oy[i] = Y_FLIP( y[i] ) + dPriv->y; \ - } \ - \ - r128ReadDepthPixelsLocked( rmesa, count, ox, oy ); \ - r128WaitForIdleLocked( rmesa ); \ - \ - for ( i = 0 ; i < count ; i++ ) { \ - depth[i] = buf[i] & 0x00ffffff; \ - } \ - depth += count; \ - x += count; \ - y += count; \ - remaining -= count; \ - } \ -} while (0) - -#define TAG(x) r128##x##_24_8 -#include "depthtmp.h" - - - -/* ================================================================ - * Stencil buffer - */ - -/* FIXME: Add support for hardware stencil buffers. - */ - -/* - * 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 r128DDSetBuffer( GLcontext *ctx, - GLframebuffer *colorBuffer, - GLuint bufferBit ) -{ - r128ContextPtr rmesa = R128_CONTEXT(ctx); - - switch ( bufferBit ) { - case BUFFER_BIT_FRONT_LEFT: - if ( rmesa->sarea->pfCurrentPage == 1 ) { - rmesa->drawOffset = rmesa->readOffset = rmesa->r128Screen->backOffset; - rmesa->drawPitch = rmesa->readPitch = rmesa->r128Screen->backPitch; - } else { - rmesa->drawOffset = rmesa->readOffset = rmesa->r128Screen->frontOffset; - rmesa->drawPitch = rmesa->readPitch = rmesa->r128Screen->frontPitch; - } - break; - case BUFFER_BIT_BACK_LEFT: - if ( rmesa->sarea->pfCurrentPage == 1 ) { - rmesa->drawOffset = rmesa->readOffset = rmesa->r128Screen->frontOffset; - rmesa->drawPitch = rmesa->readPitch = rmesa->r128Screen->frontPitch; - } else { - rmesa->drawOffset = rmesa->readOffset = rmesa->r128Screen->backOffset; - rmesa->drawPitch = rmesa->readPitch = rmesa->r128Screen->backPitch; - } - break; - default: - break; - } -} - -void r128SpanRenderStart( GLcontext *ctx ) -{ - r128ContextPtr rmesa = R128_CONTEXT(ctx); - FLUSH_BATCH(rmesa); - LOCK_HARDWARE(rmesa); - r128WaitForIdleLocked( rmesa ); -} - -void r128SpanRenderFinish( GLcontext *ctx ) -{ - r128ContextPtr rmesa = R128_CONTEXT(ctx); - _swrast_flush( ctx ); - UNLOCK_HARDWARE( rmesa ); -} - -void r128DDInitSpanFuncs( GLcontext *ctx ) -{ - r128ContextPtr rmesa = R128_CONTEXT(ctx); - struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference(ctx); - - swdd->SetBuffer = r128DDSetBuffer; - swdd->SpanRenderStart = r128SpanRenderStart; - swdd->SpanRenderFinish = r128SpanRenderFinish; -} - - -/** - * Plug in the Get/Put routines for the given driRenderbuffer. - */ -void -r128SetSpanFunctions(driRenderbuffer *drb, const GLvisual *vis) -{ - if (drb->Base.InternalFormat == GL_RGBA) { - if (vis->redBits == 5 && vis->greenBits == 6 && vis->blueBits == 5) { - r128InitPointers_RGB565(&drb->Base); - } - else { - r128InitPointers_ARGB8888(&drb->Base); - } - } - else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT16) { - drb->Base.GetRow = r128ReadDepthSpan_16; - drb->Base.GetValues = r128ReadDepthPixels_16; - drb->Base.PutRow = r128WriteDepthSpan_16; - drb->Base.PutMonoRow = r128WriteMonoDepthSpan_16; - drb->Base.PutValues = r128WriteDepthPixels_16; - drb->Base.PutMonoValues = NULL; - } - else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT24) { - drb->Base.GetRow = r128ReadDepthSpan_24_8; - drb->Base.GetValues = r128ReadDepthPixels_24_8; - drb->Base.PutRow = r128WriteDepthSpan_24_8; - drb->Base.PutMonoRow = r128WriteMonoDepthSpan_24_8; - drb->Base.PutValues = r128WriteDepthPixels_24_8; - drb->Base.PutMonoValues = NULL; - } - else if (drb->Base.InternalFormat == GL_STENCIL_INDEX8_EXT) { - drb->Base.GetRow = NULL; - drb->Base.GetValues = NULL; - drb->Base.PutRow = NULL; - drb->Base.PutMonoRow = NULL; - drb->Base.PutValues = NULL; - drb->Base.PutMonoValues = NULL; - } -} |