diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/glide/fxddspan.c')
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/glide/fxddspan.c | 663 |
1 files changed, 0 insertions, 663 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxddspan.c b/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxddspan.c deleted file mode 100644 index 79abbefc2..000000000 --- a/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxddspan.c +++ /dev/null @@ -1,663 +0,0 @@ -/* - * 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 */ |