From f4092abdf94af6a99aff944d6264bc1284e8bdd4 Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Mon, 10 Oct 2011 17:43:39 +0200 Subject: Imported nx-X11-3.1.0-1.tar.gz Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository --- .../extras/Mesa/src/mesa/drivers/glide/fxddspan.c | 663 +++++++++++++++++++++ 1 file changed, 663 insertions(+) create mode 100644 nx-X11/extras/Mesa/src/mesa/drivers/glide/fxddspan.c (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/glide/fxddspan.c') diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxddspan.c b/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxddspan.c new file mode 100644 index 000000000..79abbefc2 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxddspan.c @@ -0,0 +1,663 @@ +/* + * Mesa 3-D graphics library + * Version: 4.0 + * + * Copyright (C) 1999-2001 Brian Paul 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 + * 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. + */ + +/* Authors: + * David Bucciarelli + * Brian Paul + * Daryll Strauss + * Keith Whitwell + * Daniel Borca + * Hiroshi Morii + */ + + +/* fxdd.c - 3Dfx VooDoo Mesa span and pixel functions */ + + +#ifdef HAVE_CONFIG_H +#include "conf.h" +#endif + +#if defined(FX) + +#include "fxdrv.h" +#include "fxglidew.h" +#include "swrast/swrast.h" + + +/************************************************************************/ +/***** Span functions *****/ +/************************************************************************/ + +#define DBG 0 + + +#define LOCAL_VARS \ + GLuint pitch = info.strideInBytes; \ + GLuint height = fxMesa->height; \ + char *buf = (char *)((char *)info.lfbPtr + 0 /* x, y offset */); \ + GLuint p; \ + (void) buf; (void) p; + +#define CLIPPIXEL( _x, _y ) ( _x >= minx && _x < maxx && \ + _y >= miny && _y < maxy ) + +#define CLIPSPAN( _x, _y, _n, _x1, _n1, _i ) \ + if ( _y < miny || _y >= maxy ) { \ + _n1 = 0, _x1 = x; \ + } else { \ + _n1 = _n; \ + _x1 = _x; \ + if ( _x1 < minx ) _i += (minx-_x1), n1 -= (minx-_x1), _x1 = minx;\ + if ( _x1 + _n1 >= maxx ) n1 -= (_x1 + n1 - maxx); \ + } + +#define Y_FLIP(_y) (height - _y - 1) + +#define HW_WRITE_LOCK() \ + fxMesaContext fxMesa = FX_CONTEXT(ctx); \ + GrLfbInfo_t info; \ + info.size = sizeof(GrLfbInfo_t); \ + if ( grLfbLock( GR_LFB_WRITE_ONLY, \ + fxMesa->currentFB, LFB_MODE, \ + GR_ORIGIN_UPPER_LEFT, FXFALSE, &info ) ) { + +#define HW_WRITE_UNLOCK() \ + grLfbUnlock( GR_LFB_WRITE_ONLY, fxMesa->currentFB ); \ + } + +#define HW_READ_LOCK() \ + fxMesaContext fxMesa = FX_CONTEXT(ctx); \ + GrLfbInfo_t info; \ + info.size = sizeof(GrLfbInfo_t); \ + if ( grLfbLock( GR_LFB_READ_ONLY, fxMesa->currentFB, \ + LFB_MODE, GR_ORIGIN_UPPER_LEFT, FXFALSE, &info ) ) { + +#define HW_READ_UNLOCK() \ + grLfbUnlock( GR_LFB_READ_ONLY, fxMesa->currentFB ); \ + } + +#define HW_WRITE_CLIPLOOP() \ + do { \ + /* remember, we need to flip the scissor, too */ \ + /* is it better to do it inside fxDDScissor? */ \ + const int minx = fxMesa->clipMinX; \ + const int maxy = Y_FLIP(fxMesa->clipMinY); \ + const int maxx = fxMesa->clipMaxX; \ + const int miny = Y_FLIP(fxMesa->clipMaxY); + +#define HW_READ_CLIPLOOP() \ + do { \ + /* remember, we need to flip the scissor, too */ \ + /* is it better to do it inside fxDDScissor? */ \ + const int minx = fxMesa->clipMinX; \ + const int maxy = Y_FLIP(fxMesa->clipMinY); \ + const int maxx = fxMesa->clipMaxX; \ + const int miny = Y_FLIP(fxMesa->clipMaxY); + +#define HW_ENDCLIPLOOP() \ + } while (0) + + +/* 16 bit, ARGB1555 color spanline and pixel functions */ + +#undef LFB_MODE +#define LFB_MODE GR_LFBWRITEMODE_1555 + +#undef BYTESPERPIXEL +#define BYTESPERPIXEL 2 + +#undef INIT_MONO_PIXEL +#define INIT_MONO_PIXEL(p, color) \ + p = TDFXPACKCOLOR1555( color[RCOMP], color[GCOMP], color[BCOMP], color[ACOMP] ) + +#define WRITE_RGBA( _x, _y, r, g, b, a ) \ + *(GLushort *)(buf + _x*BYTESPERPIXEL + _y*pitch) = \ + TDFXPACKCOLOR1555( r, g, b, a ) + +#define WRITE_PIXEL( _x, _y, p ) \ + *(GLushort *)(buf + _x*BYTESPERPIXEL + _y*pitch) = p + +#define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLushort p = *(GLushort *)(buf + _x*BYTESPERPIXEL + _y*pitch); \ + rgba[0] = FX_rgb_scale_5[(p >> 10) & 0x1F]; \ + rgba[1] = FX_rgb_scale_5[(p >> 5) & 0x1F]; \ + rgba[2] = FX_rgb_scale_5[ p & 0x1F]; \ + rgba[3] = (p & 0x8000) ? 255 : 0; \ + } while (0) + +#define TAG(x) tdfx##x##_ARGB1555 +#include "../dri/common/spantmp.h" + + +/* 16 bit, RGB565 color spanline and pixel functions */ +/* [dBorca] Hack alert: + * This is wrong. The alpha value is lost, even when we provide + * HW alpha (565 w/o depth buffering). To really update alpha buffer, + * we would need to do the 565 writings via 8888 colorformat and rely + * on the Voodoo to perform color scaling. In which case our 565 span + * would look nicer! But this violates FSAA rules... + */ + +#undef LFB_MODE +#define LFB_MODE GR_LFBWRITEMODE_565 + +#undef BYTESPERPIXEL +#define BYTESPERPIXEL 2 + +#undef INIT_MONO_PIXEL +#define INIT_MONO_PIXEL(p, color) \ + p = TDFXPACKCOLOR565( color[RCOMP], color[GCOMP], color[BCOMP] ) + +#define WRITE_RGBA( _x, _y, r, g, b, a ) \ + *(GLushort *)(buf + _x*BYTESPERPIXEL + _y*pitch) = \ + TDFXPACKCOLOR565( r, g, b ) + +#define WRITE_PIXEL( _x, _y, p ) \ + *(GLushort *)(buf + _x*BYTESPERPIXEL + _y*pitch) = p + +#define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLushort p = *(GLushort *)(buf + _x*BYTESPERPIXEL + _y*pitch); \ + rgba[0] = FX_rgb_scale_5[(p >> 11) & 0x1F]; \ + rgba[1] = FX_rgb_scale_6[(p >> 5) & 0x3F]; \ + rgba[2] = FX_rgb_scale_5[ p & 0x1F]; \ + rgba[3] = 0xff; \ + } while (0) + +#define TAG(x) tdfx##x##_RGB565 +#include "../dri/common/spantmp.h" + + +/* 32 bit, ARGB8888 color spanline and pixel functions */ + +#undef LFB_MODE +#define LFB_MODE GR_LFBWRITEMODE_8888 + +#undef BYTESPERPIXEL +#define BYTESPERPIXEL 4 + +#undef INIT_MONO_PIXEL +#define INIT_MONO_PIXEL(p, color) \ + p = TDFXPACKCOLOR8888( color[RCOMP], color[GCOMP], color[BCOMP], color[ACOMP] ) + +#define WRITE_RGBA( _x, _y, r, g, b, a ) \ + *(GLuint *)(buf + _x*BYTESPERPIXEL + _y*pitch) = \ + TDFXPACKCOLOR8888( r, g, b, a ) + +#define WRITE_PIXEL( _x, _y, p ) \ + *(GLuint *)(buf + _x*BYTESPERPIXEL + _y*pitch) = p + +#define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLuint p = *(GLuint *)(buf + _x*BYTESPERPIXEL + _y*pitch); \ + rgba[0] = (p >> 16) & 0xff; \ + rgba[1] = (p >> 8) & 0xff; \ + rgba[2] = (p >> 0) & 0xff; \ + rgba[3] = (p >> 24) & 0xff; \ + } while (0) + +#define TAG(x) tdfx##x##_ARGB8888 +#include "../dri/common/spantmp.h" + + +/************************************************************************/ +/***** Depth functions *****/ +/************************************************************************/ + +#define DBG 0 + +#undef HW_WRITE_LOCK +#undef HW_WRITE_UNLOCK +#undef HW_READ_LOCK +#undef HW_READ_UNLOCK + +#define HW_CLIPLOOP HW_WRITE_CLIPLOOP + +#define LOCAL_DEPTH_VARS \ + GLuint pitch = info.strideInBytes; \ + GLuint height = fxMesa->height; \ + char *buf = (char *)((char *)info.lfbPtr + 0 /* x, y offset */); \ + (void) buf; + +#define HW_WRITE_LOCK() \ + fxMesaContext fxMesa = FX_CONTEXT(ctx); \ + GrLfbInfo_t info; \ + info.size = sizeof(GrLfbInfo_t); \ + if ( grLfbLock( GR_LFB_WRITE_ONLY, \ + GR_BUFFER_AUXBUFFER, LFB_MODE, \ + GR_ORIGIN_UPPER_LEFT, FXFALSE, &info ) ) { + +#define HW_WRITE_UNLOCK() \ + grLfbUnlock( GR_LFB_WRITE_ONLY, GR_BUFFER_AUXBUFFER); \ + } + +#define HW_READ_LOCK() \ + fxMesaContext fxMesa = FX_CONTEXT(ctx); \ + GrLfbInfo_t info; \ + info.size = sizeof(GrLfbInfo_t); \ + if ( grLfbLock( GR_LFB_READ_ONLY, GR_BUFFER_AUXBUFFER, \ + LFB_MODE, GR_ORIGIN_UPPER_LEFT, FXFALSE, &info ) ) { + +#define HW_READ_UNLOCK() \ + grLfbUnlock( GR_LFB_READ_ONLY, GR_BUFFER_AUXBUFFER); \ + } + + +/* 16 bit, depth spanline and pixel functions */ + +#undef LFB_MODE +#define LFB_MODE GR_LFBWRITEMODE_ZA16 + +#undef BYTESPERPIXEL +#define BYTESPERPIXEL 2 + +#define WRITE_DEPTH( _x, _y, d ) \ + *(GLushort *)(buf + _x*BYTESPERPIXEL + _y*pitch) = d + +#define READ_DEPTH( d, _x, _y ) \ + d = *(GLushort *)(buf + _x*BYTESPERPIXEL + _y*pitch) + +#define TAG(x) tdfx##x##_Z16 +#include "../dri/common/depthtmp.h" + + +/* 24 bit, depth spanline and pixel functions (for use w/ stencil) */ +/* [dBorca] Hack alert: + * This is evil. The incoming Mesa's 24bit depth value + * is shifted left 8 bits, to obtain a full 32bit value, + * which will be thrown into the framebuffer. We rely on + * the fact that Voodoo hardware transforms a 32bit value + * into 24bit value automatically and, MOST IMPORTANT, won't + * alter the upper 8bits of the value already existing in the + * framebuffer (where stencil resides). + */ + +#undef LFB_MODE +#define LFB_MODE GR_LFBWRITEMODE_Z32 + +#undef BYTESPERPIXEL +#define BYTESPERPIXEL 4 + +#define WRITE_DEPTH( _x, _y, d ) \ + *(GLuint *)(buf + _x*BYTESPERPIXEL + _y*pitch) = d << 8 + +#define READ_DEPTH( d, _x, _y ) \ + d = (*(GLuint *)(buf + _x*BYTESPERPIXEL + _y*pitch)) & 0xffffff + +#define TAG(x) tdfx##x##_Z24 +#include "../dri/common/depthtmp.h" + + +/* 32 bit, depth spanline and pixel functions (for use w/o stencil) */ +/* [dBorca] Hack alert: + * This is more evil. We make Mesa run in 32bit depth, but + * tha Voodoo HW can only handle 24bit depth. Well, exploiting + * the pixel pipeline, we can achieve 24:8 format for greater + * precision... + * If anyone tells me how to really store 32bit values into the + * depth buffer, I'll write the *_Z32 routines. Howver, bear in + * mind that means running without stencil! + */ + +/************************************************************************/ +/***** Span functions (optimized) *****/ +/************************************************************************/ + +/* + * Read a span of 15-bit RGB pixels. Note, we don't worry about cliprects + * since OpenGL says obscured pixels have undefined values. + */ +static void fxReadRGBASpan_ARGB1555 (const GLcontext * ctx, + struct gl_renderbuffer *rb, + GLuint n, + GLint x, GLint y, + GLubyte rgba[][4]) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GrLfbInfo_t info; + info.size = sizeof(GrLfbInfo_t); + if (grLfbLock(GR_LFB_READ_ONLY, fxMesa->currentFB, + GR_LFBWRITEMODE_ANY, GR_ORIGIN_UPPER_LEFT, FXFALSE, &info)) { + const GLint winX = 0; + const GLint winY = fxMesa->height - 1; + const GLushort *data16 = (const GLushort *)((const GLubyte *)info.lfbPtr + + (winY - y) * info.strideInBytes + + (winX + x) * 2); + const GLuint *data32 = (const GLuint *) data16; + GLuint i, j; + GLuint extraPixel = (n & 1); + n -= extraPixel; + + for (i = j = 0; i < n; i += 2, j++) { + GLuint pixel = data32[j]; + rgba[i][0] = FX_rgb_scale_5[(pixel >> 10) & 0x1F]; + rgba[i][1] = FX_rgb_scale_5[(pixel >> 5) & 0x1F]; + rgba[i][2] = FX_rgb_scale_5[ pixel & 0x1F]; + rgba[i][3] = (pixel & 0x8000) ? 255 : 0; + rgba[i+1][0] = FX_rgb_scale_5[(pixel >> 26) & 0x1F]; + rgba[i+1][1] = FX_rgb_scale_5[(pixel >> 21) & 0x1F]; + rgba[i+1][2] = FX_rgb_scale_5[(pixel >> 16) & 0x1F]; + rgba[i+1][3] = (pixel & 0x80000000) ? 255 : 0; + } + if (extraPixel) { + GLushort pixel = data16[n]; + rgba[n][0] = FX_rgb_scale_5[(pixel >> 10) & 0x1F]; + rgba[n][1] = FX_rgb_scale_5[(pixel >> 5) & 0x1F]; + rgba[n][2] = FX_rgb_scale_5[ pixel & 0x1F]; + rgba[n][3] = (pixel & 0x8000) ? 255 : 0; + } + + grLfbUnlock(GR_LFB_READ_ONLY, fxMesa->currentFB); + } +} + +/* + * Read a span of 16-bit RGB pixels. Note, we don't worry about cliprects + * since OpenGL says obscured pixels have undefined values. + */ +static void fxReadRGBASpan_RGB565 (const GLcontext * ctx, + struct gl_renderbuffer *rb, + GLuint n, + GLint x, GLint y, + GLubyte rgba[][4]) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GrLfbInfo_t info; + info.size = sizeof(GrLfbInfo_t); + if (grLfbLock(GR_LFB_READ_ONLY, fxMesa->currentFB, + GR_LFBWRITEMODE_ANY, GR_ORIGIN_UPPER_LEFT, FXFALSE, &info)) { + const GLint winX = 0; + const GLint winY = fxMesa->height - 1; + const GLushort *data16 = (const GLushort *)((const GLubyte *)info.lfbPtr + + (winY - y) * info.strideInBytes + + (winX + x) * 2); + const GLuint *data32 = (const GLuint *) data16; + GLuint i, j; + GLuint extraPixel = (n & 1); + n -= extraPixel; + + for (i = j = 0; i < n; i += 2, j++) { + GLuint pixel = data32[j]; + rgba[i][0] = FX_rgb_scale_5[(pixel >> 11) & 0x1F]; + rgba[i][1] = FX_rgb_scale_6[(pixel >> 5) & 0x3F]; + rgba[i][2] = FX_rgb_scale_5[ pixel & 0x1F]; + rgba[i][3] = 255; + rgba[i+1][0] = FX_rgb_scale_5[(pixel >> 27) & 0x1F]; + rgba[i+1][1] = FX_rgb_scale_6[(pixel >> 21) & 0x3F]; + rgba[i+1][2] = FX_rgb_scale_5[(pixel >> 16) & 0x1F]; + rgba[i+1][3] = 255; + } + if (extraPixel) { + GLushort pixel = data16[n]; + rgba[n][0] = FX_rgb_scale_5[(pixel >> 11) & 0x1F]; + rgba[n][1] = FX_rgb_scale_6[(pixel >> 5) & 0x3F]; + rgba[n][2] = FX_rgb_scale_5[ pixel & 0x1F]; + rgba[n][3] = 255; + } + + grLfbUnlock(GR_LFB_READ_ONLY, fxMesa->currentFB); + } +} + +/* + * Read a span of 32-bit RGB pixels. Note, we don't worry about cliprects + * since OpenGL says obscured pixels have undefined values. + */ +static void fxReadRGBASpan_ARGB8888 (const GLcontext * ctx, + struct gl_renderbuffer *rb, + GLuint n, + GLint x, GLint y, + GLubyte rgba[][4]) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GLuint i; + grLfbReadRegion(fxMesa->currentFB, x, fxMesa->height - 1 - y, n, 1, n * 4, rgba); + for (i = 0; i < n; i++) { + GLubyte c = rgba[i][0]; + rgba[i][0] = rgba[i][2]; + rgba[i][2] = c; + } +} + + +/************************************************************************/ +/***** Depth functions (optimized) *****/ +/************************************************************************/ + +static void +fxReadDepthSpan_Z16(GLcontext * ctx, struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, GLdepth depth[]) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GLint bottom = fxMesa->height - 1; + GLushort depth16[MAX_WIDTH]; + GLuint i; + + if (TDFX_DEBUG & VERBOSE_DRIVER) { + fprintf(stderr, "fxReadDepthSpan_Z16(...)\n"); + } + + grLfbReadRegion(GR_BUFFER_AUXBUFFER, x, bottom - y, n, 1, 0, depth16); + for (i = 0; i < n; i++) { + depth[i] = depth16[i]; + } +} + + +static void +fxReadDepthSpan_Z24(GLcontext * ctx, struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, GLdepth depth[]) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GLint bottom = fxMesa->height - 1; + GLuint i; + + if (TDFX_DEBUG & VERBOSE_DRIVER) { + fprintf(stderr, "fxReadDepthSpan_Z24(...)\n"); + } + + grLfbReadRegion(GR_BUFFER_AUXBUFFER, x, bottom - y, n, 1, 0, depth); + for (i = 0; i < n; i++) { + depth[i] &= 0xffffff; + } +} + + +/************************************************************************/ +/***** Stencil functions (optimized) *****/ +/************************************************************************/ + +static void +fxWriteStencilSpan (GLcontext *ctx, struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + const GLstencil stencil[], const GLubyte mask[]) +{ + /* + * XXX todo + */ +} + +static void +fxReadStencilSpan(GLcontext * ctx, struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, GLstencil stencil[]) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + GLint bottom = fxMesa->height - 1; + GLuint zs32[MAX_WIDTH]; + GLuint i; + + if (TDFX_DEBUG & VERBOSE_DRIVER) { + fprintf(stderr, "fxReadStencilSpan(...)\n"); + } + + grLfbReadRegion(GR_BUFFER_AUXBUFFER, x, bottom - y, n, 1, 0, zs32); + for (i = 0; i < n; i++) { + stencil[i] = zs32[i] >> 24; + } +} + +static void +fxWriteStencilPixels (GLcontext *ctx, struct gl_renderbuffer *rb, GLuint n, + const GLint x[], const GLint y[], + const GLstencil stencil[], + const GLubyte mask[]) +{ + /* + * XXX todo + */ +} + +static void +fxReadStencilPixels (GLcontext *ctx, struct gl_renderbuffer *rb, GLuint n, + const GLint x[], const GLint y[], + GLstencil stencil[]) +{ + /* + * XXX todo + */ +} + + + +/* + * 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 +fxDDSetBuffer(GLcontext * ctx, GLframebuffer * buffer, GLuint bufferBit) +{ + fxMesaContext fxMesa = FX_CONTEXT(ctx); + (void) buffer; + + if (TDFX_DEBUG & VERBOSE_DRIVER) { + fprintf(stderr, "fxDDSetBuffer(%x)\n", (int)bufferBit); + } + + if (bufferBit == BUFFER_BIT_FRONT_LEFT) { + fxMesa->currentFB = GR_BUFFER_FRONTBUFFER; + grRenderBuffer(fxMesa->currentFB); + } + else if (bufferBit == BUFFER_BIT_BACK_LEFT) { + fxMesa->currentFB = GR_BUFFER_BACKBUFFER; + grRenderBuffer(fxMesa->currentFB); + } +} + + +/************************************************************************/ + + + +void +fxSetupDDSpanPointers(GLcontext * ctx) +{ + struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference( ctx ); + fxMesaContext fxMesa = FX_CONTEXT(ctx); + + swdd->SetBuffer = fxDDSetBuffer; + + switch (fxMesa->colDepth) { + case 15: + swdd->WriteRGBASpan = tdfxWriteRGBASpan_ARGB1555; + swdd->WriteRGBSpan = tdfxWriteRGBSpan_ARGB1555; + swdd->WriteRGBAPixels = tdfxWriteRGBAPixels_ARGB1555; + swdd->WriteMonoRGBASpan = tdfxWriteMonoRGBASpan_ARGB1555; + swdd->WriteMonoRGBAPixels = tdfxWriteMonoRGBAPixels_ARGB1555; + swdd->ReadRGBASpan = /*td*/fxReadRGBASpan_ARGB1555; + swdd->ReadRGBAPixels = tdfxReadRGBAPixels_ARGB1555; + + swdd->WriteDepthSpan = tdfxWriteDepthSpan_Z16; + swdd->WriteDepthPixels = tdfxWriteDepthPixels_Z16; + swdd->ReadDepthSpan = /*td*/fxReadDepthSpan_Z16; + swdd->ReadDepthPixels = tdfxReadDepthPixels_Z16; + break; + case 16: + swdd->WriteRGBASpan = tdfxWriteRGBASpan_RGB565; + swdd->WriteRGBSpan = tdfxWriteRGBSpan_RGB565; + swdd->WriteRGBAPixels = tdfxWriteRGBAPixels_RGB565; + swdd->WriteMonoRGBASpan = tdfxWriteMonoRGBASpan_RGB565; + swdd->WriteMonoRGBAPixels = tdfxWriteMonoRGBAPixels_RGB565; + swdd->ReadRGBASpan = /*td*/fxReadRGBASpan_RGB565; + swdd->ReadRGBAPixels = tdfxReadRGBAPixels_RGB565; + + swdd->WriteDepthSpan = tdfxWriteDepthSpan_Z16; + swdd->WriteDepthPixels = tdfxWriteDepthPixels_Z16; + swdd->ReadDepthSpan = /*td*/fxReadDepthSpan_Z16; + swdd->ReadDepthPixels = tdfxReadDepthPixels_Z16; + break; + case 32: + swdd->WriteRGBASpan = tdfxWriteRGBASpan_ARGB8888; + swdd->WriteRGBSpan = tdfxWriteRGBSpan_ARGB8888; + swdd->WriteRGBAPixels = tdfxWriteRGBAPixels_ARGB8888; + swdd->WriteMonoRGBASpan = tdfxWriteMonoRGBASpan_ARGB8888; + swdd->WriteMonoRGBAPixels = tdfxWriteMonoRGBAPixels_ARGB8888; + swdd->ReadRGBASpan = /*td*/fxReadRGBASpan_ARGB8888; + swdd->ReadRGBAPixels = tdfxReadRGBAPixels_ARGB8888; + + swdd->WriteDepthSpan = tdfxWriteDepthSpan_Z24; + swdd->WriteDepthPixels = tdfxWriteDepthPixels_Z24; + swdd->ReadDepthSpan = /*td*/fxReadDepthSpan_Z24; + swdd->ReadDepthPixels = tdfxReadDepthPixels_Z24; + break; + } + + if (fxMesa->haveHwStencil) { + swdd->WriteStencilSpan = fxWriteStencilSpan; + swdd->ReadStencilSpan = fxReadStencilSpan; + swdd->WriteStencilPixels = fxWriteStencilPixels; + swdd->ReadStencilPixels = fxReadStencilPixels; + } +#if 0 + swdd->WriteCI8Span = NULL; + swdd->WriteCI32Span = NULL; + swdd->WriteMonoCISpan = NULL; + swdd->WriteCI32Pixels = NULL; + swdd->WriteMonoCIPixels = NULL; + swdd->ReadCI32Span = NULL; + swdd->ReadCI32Pixels = NULL; + + swdd->SpanRenderStart = tdfxSpanRenderStart; /* BEGIN_BOARD_LOCK */ + swdd->SpanRenderFinish = tdfxSpanRenderFinish; /* END_BOARD_LOCK */ +#endif +} + + +#else + + +/* + * Need this to provide at least one external definition. + */ + +extern int gl_fx_dummy_function_span(void); +int +gl_fx_dummy_function_span(void) +{ + return 0; +} + +#endif /* FX */ -- cgit v1.2.3