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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.c312
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;
- }
-}
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