-/* -*- mode: C; tab-width:8; -*-
-
- fxdd.c - 3Dfx VooDoo Mesa span and pixel functions
-*/
-
/*
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * Mesa 3-D graphics library
+ * Version: 4.0
*
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
+ * Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
*
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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:
*
- * See the file fxapi.c for more informations about authors
+ * 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"
-#ifdef _MSC_VER
-#ifdef _WIN32
-#pragma warning( disable : 4090 4022 )
-/* 4101 : "different 'const' qualifier"
- * 4022 : "pointer mistmatch for actual parameter 'n'
- */
-#endif
-#endif
+/************************************************************************/
+/***** 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 ); \
+ }
-#if !defined(FXMESA_USE_ARGB)
+#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 ) ) {
-/* KW: Rearranged the args in the call to grLfbWriteRegion().
+#define HW_READ_UNLOCK() \
+ grLfbUnlock( GR_LFB_READ_ONLY, fxMesa->currentFB ); \
+ }
+
+#define HW_WRITE_CLIPLOOP() \
+ do { \
+ int _nc = 1; /* numcliprects */ \
+ /* [dBorca] Hack alert: */ \
+ /* remember, we need to flip the scissor, too */ \
+ /* is it better to do it inside fxDDScissor? */ \
+ while (_nc--) { \
+ 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 { \
+ int _nc = 1; /* numcliprects */ \
+ /* [dBorca] Hack alert: */ \
+ /* remember, we need to flip the scissor, too */ \
+ /* is it better to do it inside fxDDScissor? */ \
+ while (_nc--) { \
+ 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...
*/
-#define LFB_WRITE_SPAN_MESA(dst_buffer, \
- dst_x, \
- dst_y, \
- src_width, \
- src_stride, \
- src_data) \
- grLfbWriteRegion(dst_buffer, \
- dst_x, \
- dst_y, \
- GR_LFB_SRC_FMT_8888, \
- src_width, \
- 1, \
- src_stride, \
- src_data) \
-
-
-#else /* defined(FXMESA_USE_RGBA) */
-
-#define MESACOLOR_TO_ARGB(c) ( \
- ( ((unsigned int)(c[ACOMP]))<<24 ) | \
- ( ((unsigned int)(c[RCOMP]))<<16 ) | \
- ( ((unsigned int)(c[GCOMP]))<<8 ) | \
- ( (unsigned int)(c[BCOMP])) )
-
-void LFB_WRITE_SPAN_MESA(GrBuffer_t dst_buffer,
- FxU32 dst_x,
- FxU32 dst_y,
- FxU32 src_width,
- FxI32 src_stride,
- void *src_data )
-{
- /* Covert to ARGB */
- GLubyte (*rgba)[4] = src_data;
- GLuint argb[MAX_WIDTH];
- int i;
-
- for (i = 0; i < src_width; i++)
- {
- argb[i] = MESACOLOR_TO_ARGB(rgba[i]);
- }
- FX_grLfbWriteRegion(dst_buffer,
- dst_x,
- dst_y,
- GR_LFB_SRC_FMT_8888,
- src_width,
- 1,
- src_stride,
- (void*)argb);
-}
-#endif
+#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"
+
/************************************************************************/
-/***** Span functions *****/
+/***** Depth functions *****/
/************************************************************************/
+#define DBG 0
-static void fxDDWriteRGBASpan(const GLcontext *ctx,
- GLuint n, GLint x, GLint y,
- const GLubyte rgba[][4], const GLubyte mask[])
-{
- fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx;
- GLuint i;
- GLint bottom=fxMesa->height-1;
-
- if (MESA_VERBOSE&VERBOSE_DRIVER) {
- fprintf(stderr,"fxmesa: fxDDWriteRGBASpan(...)\n");
- }
-
- if (mask) {
- int span=0;
-
- for (i=0;i<n;i++) {
- if (mask[i]) {
- ++span;
- } else {
- if (span > 0) {
- LFB_WRITE_SPAN_MESA( fxMesa->currentFB, x+i-span, bottom-y,
- /* GR_LFB_SRC_FMT_8888,*/ span, /*1,*/ 0, (void *) rgba[i-span] );
- span = 0;
- }
- }
- }
+#undef HW_WRITE_LOCK
+#undef HW_WRITE_UNLOCK
+#undef HW_READ_LOCK
+#undef HW_READ_UNLOCK
- if (span > 0)
- LFB_WRITE_SPAN_MESA( fxMesa->currentFB, x+n-span, bottom-y,
- /* GR_LFB_SRC_FMT_8888, */ span, /*1,*/ 0, (void *) rgba[n-span] );
- } else
- LFB_WRITE_SPAN_MESA( fxMesa->currentFB, x, bottom-y,/* GR_LFB_SRC_FMT_8888,*/
- n,/* 1,*/ 0, (void *) rgba );
-}
+#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;
-static void fxDDWriteRGBSpan(const GLcontext *ctx,
- GLuint n, GLint x, GLint y,
- const GLubyte rgb[][3], const GLubyte mask[])
-{
- fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx;
- GLuint i;
- GLint bottom=fxMesa->height-1;
- GLubyte rgba[MAX_WIDTH][4];
-
- if (MESA_VERBOSE&VERBOSE_DRIVER) {
- fprintf(stderr,"fxmesa: fxDDWriteRGBSpan()\n");
- }
-
- if (mask) {
- int span=0;
-
- for (i=0;i<n;i++) {
- if (mask[i]) {
- rgba[span][RCOMP] = rgb[i][0];
- rgba[span][GCOMP] = rgb[i][1];
- rgba[span][BCOMP] = rgb[i][2];
- rgba[span][ACOMP] = 255;
- ++span;
- } else {
- if (span > 0) {
- LFB_WRITE_SPAN_MESA( fxMesa->currentFB, x+i-span, bottom-y,
- /*GR_LFB_SRC_FMT_8888,*/ span,/* 1,*/ 0, (void *) rgba );
- span = 0;
- }
- }
+#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); \
}
- if (span > 0)
- LFB_WRITE_SPAN_MESA( fxMesa->currentFB, x+n-span, bottom-y,
- /*GR_LFB_SRC_FMT_8888,*/ span,/* 1,*/ 0, (void *) rgba );
- } else {
- for (i=0;i<n;i++) {
- rgba[i][RCOMP]=rgb[i][0];
- rgba[i][GCOMP]=rgb[i][1];
- rgba[i][BCOMP]=rgb[i][2];
- rgba[i][ACOMP]=255;
+#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); \
}
- LFB_WRITE_SPAN_MESA( fxMesa->currentFB, x, bottom-y,/* GR_LFB_SRC_FMT_8888,*/
- n,/* 1,*/ 0, (void *) rgba );
- }
-}
+/* 16 bit, depth spanline and pixel functions */
-static void fxDDWriteMonoRGBASpan(const GLcontext *ctx,
- GLuint n, GLint x, GLint y,
- const GLubyte mask[])
-{
- fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx;
- GLuint i;
- GLint bottom=fxMesa->height-1;
- GLuint data[MAX_WIDTH];
-
- if (MESA_VERBOSE&VERBOSE_DRIVER) {
- fprintf(stderr,"fxmesa: fxDDWriteMonoRGBASpan(...)\n");
- }
-
- if (mask) {
- int span=0;
-
- for (i=0;i<n;i++) {
- if (mask[i]) {
- data[span] = (GLuint) fxMesa->color;
- ++span;
- } else {
- if (span > 0) {
- FX_grLfbWriteRegion( fxMesa->currentFB, x+i-span, bottom-y,
- GR_LFB_SRC_FMT_8888, span, 1, 0,
- (void *) data );
- span = 0;
- }
- }
- }
+#undef LFB_MODE
+#define LFB_MODE GR_LFBWRITEMODE_ZA16
- if (span > 0)
- FX_grLfbWriteRegion( fxMesa->currentFB, x+n-span, bottom-y,
- GR_LFB_SRC_FMT_8888, span, 1, 0,
- (void *) data );
- } else {
- for (i=0;i<n;i++) {
- data[i]=(GLuint) fxMesa->color;
- }
+#undef BYTESPERPIXEL
+#define BYTESPERPIXEL 2
- FX_grLfbWriteRegion( fxMesa->currentFB, x, bottom-y, GR_LFB_SRC_FMT_8888,
- n, 1, 0, (void *) data );
- }
-}
+#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)
-static void fxDDReadRGBASpan(const GLcontext *ctx,
- GLuint n, GLint x, GLint y, GLubyte rgba[][4])
-{
- fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx;
- GLushort data[MAX_WIDTH];
- GLuint i;
- GLint bottom=fxMesa->height-1;
-
- if (MESA_VERBOSE&VERBOSE_DRIVER) {
- fprintf(stderr,"fxmesa: fxDDReadRGBASpan(...)\n");
- }
-
- assert(n < MAX_WIDTH);
-
- grLfbReadRegion( fxMesa->currentFB, x, bottom-y, n, 1, 0, data);
- for (i=0;i<n;i++) {
-#if FXMESA_USE_ARGB
- rgba[i][RCOMP]=(data[i] & 0xF800) >> 8;
- rgba[i][GCOMP]=(data[i] & 0x07E0) >> 3;
- rgba[i][BCOMP]=(data[i] & 0x001F) << 3;
-#else
- rgba[i][RCOMP]=(data[i] & 0x001f) << 3;
- rgba[i][GCOMP]=(data[i] & 0x07e0) >> 3;
- rgba[i][BCOMP]=(data[i] & 0xf800) >> 8;
-#endif
- rgba[i][ACOMP]=255;
- }
+#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!
+ */
/************************************************************************/
-/***** Pixel functions *****/
+/***** Span functions (optimized) *****/
/************************************************************************/
-static void fxDDWriteRGBAPixels(const GLcontext *ctx,
- GLuint n, const GLint x[], const GLint y[],
- CONST GLubyte rgba[][4], const GLubyte mask[])
+/*
+ * 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,
+ GLuint n,
+ GLint x, GLint y,
+ GLubyte rgba[][4])
{
- fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx;
- GLuint i;
- GLint bottom=fxMesa->height-1;
-
- if (MESA_VERBOSE&VERBOSE_DRIVER) {
- fprintf(stderr,"fxmesa: fxDDWriteRGBAPixels(...)\n");
- }
-
- for(i=0;i<n;i++)
- if(mask[i])
- LFB_WRITE_SPAN_MESA(fxMesa->currentFB,x[i],bottom-y[i],
- /*GR_LFB_SRC_FMT_8888,*/1,/*1,*/0,(void *)rgba[i]);
+ 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);
+ }
}
-static void fxDDWriteMonoRGBAPixels(const GLcontext *ctx,
- GLuint n, const GLint x[], const GLint y[],
- const GLubyte mask[])
+/*
+ * 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,
+ GLuint n,
+ GLint x, GLint y,
+ GLubyte rgba[][4])
{
- fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx;
- GLuint i;
- GLint bottom=fxMesa->height-1;
-
- if (MESA_VERBOSE&VERBOSE_DRIVER) {
- fprintf(stderr,"fxmesa: fxDDWriteMonoRGBAPixels(...)\n");
- }
-
- for(i=0;i<n;i++)
- if(mask[i])
- FX_grLfbWriteRegion(fxMesa->currentFB,x[i],bottom-y[i],
- GR_LFB_SRC_FMT_8888,1,1,0,(void *) &fxMesa->color);
+ 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);
+ }
}
-static void fxDDReadRGBAPixels(const GLcontext *ctx,
- GLuint n, const GLint x[], const GLint y[],
- GLubyte rgba[][4], const GLubyte mask[])
+/*
+ * 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,
+ GLuint n,
+ GLint x, GLint y,
+ GLubyte rgba[][4])
{
- fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx;
- GLuint i;
- GLint bottom=fxMesa->height-1;
- GLushort data;
-
- if (MESA_VERBOSE&VERBOSE_DRIVER) {
- fprintf(stderr,"fxmesa: fxDDReadRGBAPixels(...)\n");
- }
-
- for(i=0;i<n;i++)
- if(mask[i]) {
- grLfbReadRegion(fxMesa->currentFB,x[i],bottom-y[i],1,1,0,&data);
- #if FXMESA_USE_ARGB
- rgba[i][RCOMP]=(data & 0xF800) >> 8;
- rgba[i][GCOMP]=(data & 0x07E0) >> 3;
- rgba[i][BCOMP]=(data & 0x001F) >> 8;
- #else
- rgba[i][RCOMP]=(data & 0x001f) << 3;
- rgba[i][GCOMP]=(data & 0x07e0) >> 3;
- rgba[i][BCOMP]=(data & 0xf800) >> 8;
- #endif
- /* the alpha value should be read from the auxiliary buffer when required */
-
- rgba[i][ACOMP]=255;
- }
+ 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 *****/
+/***** Depth functions (optimized) *****/
/************************************************************************/
-void fxDDReadDepthSpanFloat(GLcontext *ctx,
- GLuint n, GLint x, GLint y, GLfloat depth[])
+void
+fxReadDepthSpan_Z16(GLcontext * ctx,
+ GLuint n, GLint x, GLint y, GLdepth depth[])
{
- fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx;
- GLuint i;
- GLint bottom=fxMesa->height-1;
- GLushort data[MAX_WIDTH];
+ fxMesaContext fxMesa = FX_CONTEXT(ctx);
+ GLint bottom = fxMesa->height - 1;
+ GLushort depth16[MAX_WIDTH];
+ GLuint i;
- if (MESA_VERBOSE&VERBOSE_DRIVER) {
- fprintf(stderr,"fxmesa: fxDDReadDepthSpanFloat(...)\n");
- }
+ if (TDFX_DEBUG & VERBOSE_DRIVER) {
+ fprintf(stderr, "%s(...)\n", __FUNCTION__);
+ }
- grLfbReadRegion(GR_BUFFER_AUXBUFFER,x,bottom-y,n,1,0,data);
+ grLfbReadRegion(GR_BUFFER_AUXBUFFER, x, bottom - y, n, 1, 0, depth16);
+ for (i = 0; i < n; i++) {
+ depth[i] = depth16[i];
+ }
+}
+
+
+void
+fxReadDepthSpan_Z24(GLcontext * ctx,
+ 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, "%s(...)\n", __FUNCTION__);
+ }
+
+ grLfbReadRegion(GR_BUFFER_AUXBUFFER, x, bottom - y, n, 1, 0, depth);
+ for (i = 0; i < n; i++) {
+ depth[i] &= 0xffffff;
+ }
+}
- /*
- convert the read values to float values [0.0 .. 1.0].
+
+/************************************************************************/
+/***** Stencil functions (optimized) *****/
+/************************************************************************/
+
+void fxWriteStencilSpan (GLcontext *ctx, GLuint n, GLint x, GLint y,
+ const GLstencil stencil[], const GLubyte mask[])
+{
+ /*
+ * XXX todo
*/
- for(i=0;i<n;i++)
- depth[i]=data[i]/65535.0f;
}
-void fxDDReadDepthSpanInt(GLcontext *ctx,
- GLuint n, GLint x, GLint y, GLdepth depth[])
+void
+fxReadStencilSpan(GLcontext * ctx,
+ GLuint n, GLint x, GLint y, GLstencil stencil[])
{
- fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx;
- GLint bottom=fxMesa->height-1;
+ fxMesaContext fxMesa = FX_CONTEXT(ctx);
+ GLint bottom = fxMesa->height - 1;
+ GLuint zs32[MAX_WIDTH];
+ GLuint i;
- if (MESA_VERBOSE&VERBOSE_DRIVER) {
- fprintf(stderr,"fxmesa: fxDDReadDepthSpanInt(...)\n");
- }
+ if (TDFX_DEBUG & VERBOSE_DRIVER) {
+ fprintf(stderr, "%s(...)\n", __FUNCTION__);
+ }
- grLfbReadRegion(GR_BUFFER_AUXBUFFER,x,bottom-y,n,1,0,depth);
+ grLfbReadRegion(GR_BUFFER_AUXBUFFER, x, bottom - y, n, 1, 0, zs32);
+ for (i = 0; i < n; i++) {
+ stencil[i] = zs32[i] >> 24;
+ }
}
-GLuint fxDDDepthTestSpanGeneric(GLcontext *ctx,
- GLuint n, GLint x, GLint y, const GLdepth z[],
- GLubyte mask[])
+void fxWriteStencilPixels (GLcontext *ctx, GLuint n,
+ const GLint x[], const GLint y[],
+ const GLstencil stencil[],
+ const GLubyte mask[])
{
- fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx;
- GLushort depthdata[MAX_WIDTH];
- GLdepth *zptr=depthdata;
- GLubyte *m=mask;
- GLuint i;
- GLuint passed=0;
- GLint bottom=fxMesa->height-1;
-
- if (MESA_VERBOSE&VERBOSE_DRIVER) {
- fprintf(stderr,"fxmesa: fxDDDepthTestSpanGeneric(...)\n");
- }
-
- grLfbReadRegion(GR_BUFFER_AUXBUFFER,x,bottom-y,n,1,0,depthdata);
-
- /* switch cases ordered from most frequent to less frequent */
- switch (ctx->Depth.Func) {
- case GL_LESS:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0; i<n; i++,zptr++,m++) {
- if (*m) {
- if (z[i] < *zptr) {
- /* pass */
- *zptr = z[i];
- passed++;
- } else {
- /* fail */
- *m = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0; i<n; i++,zptr++,m++) {
- if (*m) {
- if (z[i] < *zptr) {
- /* pass */
- passed++;
- } else {
- *m = 0;
- }
- }
- }
- }
- break;
- case GL_LEQUAL:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- if (z[i] <= *zptr) {
- *zptr = z[i];
- passed++;
- } else {
- *m = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- if (z[i] <= *zptr) {
- /* pass */
- passed++;
- } else {
- *m = 0;
- }
- }
- }
- }
- break;
- case GL_GEQUAL:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- if (z[i] >= *zptr) {
- *zptr = z[i];
- passed++;
- } else {
- *m = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- if (z[i] >= *zptr) {
- /* pass */
- passed++;
- } else {
- *m = 0;
- }
- }
- }
- }
- break;
- case GL_GREATER:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- if (z[i] > *zptr) {
- *zptr = z[i];
- passed++;
- } else {
- *m = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- if (z[i] > *zptr) {
- /* pass */
- passed++;
- } else {
- *m = 0;
- }
- }
- }
- }
- break;
- case GL_NOTEQUAL:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- if (z[i] != *zptr) {
- *zptr = z[i];
- passed++;
- } else {
- *m = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- if (z[i] != *zptr) {
- /* pass */
- passed++;
- } else {
- *m = 0;
- }
- }
- }
- }
- break;
- case GL_EQUAL:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- if (z[i] == *zptr) {
- *zptr = z[i];
- passed++;
- } else {
- *m =0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- if (z[i] == *zptr) {
- /* pass */
- passed++;
- } else {
- *m =0;
- }
- }
- }
- }
- break;
- case GL_ALWAYS:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- *zptr = z[i];
- passed++;
- }
- }
- } else {
- /* Don't update Z buffer or mask */
- passed = n;
- }
- break;
- case GL_NEVER:
- for (i=0;i<n;i++) {
- mask[i] = 0;
- }
- break;
- default:
- ;
- } /*switch*/
-
- if(passed)
- FX_grLfbWriteRegion(GR_BUFFER_AUXBUFFER,x,bottom-y,GR_LFB_SRC_FMT_ZA16,n,1,0,depthdata);
+ /*
+ * XXX todo
+ */
+}
- return passed;
+void fxReadStencilPixels (GLcontext *ctx, GLuint n,
+ const GLint x[], const GLint y[],
+ GLstencil stencil[])
+{
+ /*
+ * XXX todo
+ */
}
-void fxDDDepthTestPixelsGeneric(GLcontext* ctx,
- GLuint n, const GLint x[], const GLint y[],
- const GLdepth z[], GLubyte mask[])
+
+
+/*
+ * 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=(fxMesaContext)ctx->DriverCtx;
- GLdepth zval;
- GLuint i;
- GLint bottom=fxMesa->height-1;
-
- if (MESA_VERBOSE&VERBOSE_DRIVER) {
- fprintf(stderr,"fxmesa: fxDDDepthTestPixelsGeneric(...)\n");
- }
-
- /* switch cases ordered from most frequent to less frequent */
- switch (ctx->Depth.Func) {
- case GL_LESS:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i],bottom-y[i],1,1,0,&zval);
- if (z[i] < zval) {
- /* pass */
- FX_grLfbWriteRegion(GR_BUFFER_AUXBUFFER,x[i],bottom-y[i],GR_LFB_SRC_FMT_ZA16,1,1,0,(void*)&z[i]);
- } else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i],bottom-y[i],1,1,0,&zval);
- if (z[i] < zval) {
- /* pass */
- }
- else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- }
- break;
- case GL_LEQUAL:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i],bottom-y[i],1,1,0,&zval);
- if (z[i] <= zval) {
- /* pass */
- FX_grLfbWriteRegion(GR_BUFFER_AUXBUFFER,x[i],bottom-y[i],GR_LFB_SRC_FMT_ZA16,1,1,0,(void*)&z[i]);
- } else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i],bottom-y[i],1,1,0,&zval);
- if (z[i] <= zval) {
- /* pass */
- } else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- }
- break;
- case GL_GEQUAL:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i],bottom-y[i],1,1,0,&zval);
- if (z[i] >= zval) {
- /* pass */
- FX_grLfbWriteRegion(GR_BUFFER_AUXBUFFER,x[i],bottom-y[i],GR_LFB_SRC_FMT_ZA16,1,1,0,(void*)&z[i]);
- } else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i],bottom-y[i],1,1,0,&zval);
- if (z[i] >= zval) {
- /* pass */
- } else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- }
- break;
- case GL_GREATER:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i],bottom-y[i],1,1,0,&zval);
- if (z[i] > zval) {
- /* pass */
- FX_grLfbWriteRegion(GR_BUFFER_AUXBUFFER,x[i],bottom-y[i],GR_LFB_SRC_FMT_ZA16,1,1,0,(void*)&z[i]);
- } else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i],bottom-y[i],1,1,0,&zval);
- if (z[i] > zval) {
- /* pass */
- } else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- }
- break;
- case GL_NOTEQUAL:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i],bottom-y[i],1,1,0,&zval);
- if (z[i] != zval) {
- /* pass */
- FX_grLfbWriteRegion(GR_BUFFER_AUXBUFFER,x[i],bottom-y[i],GR_LFB_SRC_FMT_ZA16,1,1,0,(void*)&z[i]);
- } else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i],bottom-y[i],1,1,0,&zval);
- if (z[i] != zval) {
- /* pass */
- }
- else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- }
- break;
- case GL_EQUAL:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i],bottom-y[i],1,1,0,&zval);
- if (z[i] == zval) {
- /* pass */
- FX_grLfbWriteRegion(GR_BUFFER_AUXBUFFER,x[i],bottom-y[i],GR_LFB_SRC_FMT_ZA16,1,1,0,(void*)&z[i]);
- } else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i],bottom-y[i],1,1,0,&zval);
- if (z[i] == zval) {
- /* pass */
- } else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- }
- break;
- case GL_ALWAYS:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- FX_grLfbWriteRegion(GR_BUFFER_AUXBUFFER,x[i],bottom-y[i],GR_LFB_SRC_FMT_ZA16,1,1,0,(void*)&z[i]);
- }
- }
- } else {
- /* Don't update Z buffer or mask */
- }
- break;
- case GL_NEVER:
- /* depth test never passes */
- for (i=0;i<n;i++) {
- mask[i] = 0;
- }
- break;
- default:
- ;
- } /*switch*/
+ fxMesaContext fxMesa = FX_CONTEXT(ctx);
+ (void) buffer;
+
+ if (TDFX_DEBUG & VERBOSE_DRIVER) {
+ fprintf(stderr, "%s(%x)\n", __FUNCTION__, (int)bufferBit);
+ }
+
+ if (bufferBit == FRONT_LEFT_BIT) {
+ fxMesa->currentFB = GR_BUFFER_FRONTBUFFER;
+ grRenderBuffer(fxMesa->currentFB);
+ }
+ else if (bufferBit == BACK_LEFT_BIT) {
+ fxMesa->currentFB = GR_BUFFER_BACKBUFFER;
+ grRenderBuffer(fxMesa->currentFB);
+ }
}
+
/************************************************************************/
-void fxSetupDDSpanPointers(GLcontext *ctx)
+
+void
+fxSetupDDSpanPointers(GLcontext * ctx)
{
- ctx->Driver.WriteRGBASpan =fxDDWriteRGBASpan;
- ctx->Driver.WriteRGBSpan =fxDDWriteRGBSpan;
- ctx->Driver.WriteMonoRGBASpan =fxDDWriteMonoRGBASpan;
- ctx->Driver.WriteRGBAPixels =fxDDWriteRGBAPixels;
- ctx->Driver.WriteMonoRGBAPixels =fxDDWriteMonoRGBAPixels;
-
- ctx->Driver.WriteCI8Span =NULL;
- ctx->Driver.WriteCI32Span =NULL;
- ctx->Driver.WriteMonoCISpan =NULL;
- ctx->Driver.WriteCI32Pixels =NULL;
- ctx->Driver.WriteMonoCIPixels =NULL;
-
- ctx->Driver.ReadRGBASpan =fxDDReadRGBASpan;
- ctx->Driver.ReadRGBAPixels =fxDDReadRGBAPixels;
-
- ctx->Driver.ReadCI32Span =NULL;
- ctx->Driver.ReadCI32Pixels =NULL;
+ 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
}
* Need this to provide at least one external definition.
*/
-int gl_fx_dummy_function_span(void)
+extern int gl_fx_dummy_function_span(void);
+int
+gl_fx_dummy_function_span(void)
{
- return 0;
+ return 0;
}
-#endif /* FX */
+#endif /* FX */
projects / mesa.git / blobdiff