summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/glide/fxapi.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/drivers/glide/fxapi.c')
-rw-r--r--src/mesa/drivers/glide/fxapi.c951
1 files changed, 0 insertions, 951 deletions
diff --git a/src/mesa/drivers/glide/fxapi.c b/src/mesa/drivers/glide/fxapi.c
deleted file mode 100644
index 238f491599..0000000000
--- a/src/mesa/drivers/glide/fxapi.c
+++ /dev/null
@@ -1,951 +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
- */
-
-
-/* fxapi.c - public interface to FX/Mesa functions (fxmesa.h) */
-
-
-#ifdef HAVE_CONFIG_H
-#include "conf.h"
-#endif
-
-#if defined(FX)
-#include "fxdrv.h"
-
-#include "drivers/common/driverfuncs.h"
-#include "main/framebuffer.h"
-
-#ifndef TDFX_DEBUG
-int TDFX_DEBUG = (0
-/* | VERBOSE_VARRAY */
-/* | VERBOSE_TEXTURE */
-/* | VERBOSE_IMMEDIATE */
-/* | VERBOSE_PIPELINE */
-/* | VERBOSE_DRIVER */
-/* | VERBOSE_STATE */
-/* | VERBOSE_API */
-/* | VERBOSE_DISPLAY_LIST */
-/* | VERBOSE_LIGHTING */
-/* | VERBOSE_PRIMS */
-/* | VERBOSE_VERTS */
- );
-#endif
-
-static fxMesaContext fxMesaCurrentCtx = NULL;
-
-/*
- * Status of 3Dfx hardware initialization
- */
-
-static int glbGlideInitialized = 0;
-static int glb3DfxPresent = 0;
-static int glbTotNumCtx = 0;
-
-static GrHwConfiguration glbHWConfig;
-static int glbCurrentBoard = 0;
-
-
-#if defined(__WIN32__)
-static int
-cleangraphics(void)
-{
- glbTotNumCtx = 1;
- fxMesaDestroyContext(fxMesaCurrentCtx);
-
- return 0;
-}
-#elif defined(__linux__)
-static void
-cleangraphics(void)
-{
- glbTotNumCtx = 1;
- fxMesaDestroyContext(fxMesaCurrentCtx);
-}
-
-static void
-cleangraphics_handler(int s)
-{
- fprintf(stderr, "fxmesa: ERROR: received a not handled signal %d\n", s);
-
- cleangraphics();
-/* abort(); */
- exit(1);
-}
-#endif
-
-
-/*
- * Query 3Dfx hardware presence/kind
- */
-static GLboolean GLAPIENTRY fxQueryHardware (void)
-{
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "fxQueryHardware()\n");
- }
-
- if (!glbGlideInitialized) {
- grGlideInit();
- glb3DfxPresent = FX_grSstQueryHardware(&glbHWConfig);
-
- glbGlideInitialized = 1;
-
-#if defined(__WIN32__)
- _onexit((_onexit_t) cleangraphics);
-#elif defined(__linux__)
- /* Only register handler if environment variable is not defined. */
- if (!getenv("MESA_FX_NO_SIGNALS")) {
- atexit(cleangraphics);
- }
-#endif
- }
-
- return glb3DfxPresent;
-}
-
-
-/*
- * Select the Voodoo board to use when creating
- * a new context.
- */
-GLint GLAPIENTRY fxMesaSelectCurrentBoard (int n)
-{
- fxQueryHardware();
-
- if ((n < 0) || (n >= glbHWConfig.num_sst))
- return -1;
-
- return glbHWConfig.SSTs[glbCurrentBoard = n].type;
-}
-
-
-fxMesaContext GLAPIENTRY fxMesaGetCurrentContext (void)
-{
- return fxMesaCurrentCtx;
-}
-
-
-void GLAPIENTRY fxGetScreenGeometry (GLint *w, GLint *h)
-{
- GLint width = 0;
- GLint height = 0;
-
- if (fxMesaCurrentCtx != NULL) {
- width = fxMesaCurrentCtx->screen_width;
- height = fxMesaCurrentCtx->screen_height;
- }
-
- if (w != NULL) {
- *w = width;
- }
- if (h != NULL) {
- *h = height;
- }
-}
-
-
-/*
- * The 3Dfx Global Palette extension for GLQuake.
- * More a trick than a real extesion, use the shared global
- * palette extension.
- */
-extern void GLAPIENTRY gl3DfxSetPaletteEXT(GLuint * pal); /* silence warning */
-void GLAPIENTRY
-gl3DfxSetPaletteEXT(GLuint * pal)
-{
- fxMesaContext fxMesa = fxMesaCurrentCtx;
-
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- int i;
-
- fprintf(stderr, "gl3DfxSetPaletteEXT(...)\n");
-
- for (i = 0; i < 256; i++) {
- fprintf(stderr, "\t%x\n", pal[i]);
- }
- }
-
- if (fxMesa) {
- fxMesa->haveGlobalPaletteTexture = 1;
-
- grTexDownloadTable(GR_TEXTABLE_PALETTE, (GuTexPalette *) pal);
- }
-}
-
-
-static GrScreenResolution_t fxBestResolution (int width, int height)
-{
- static int resolutions[][3] = {
- { GR_RESOLUTION_320x200, 320, 200 },
- { GR_RESOLUTION_320x240, 320, 240 },
- { GR_RESOLUTION_400x256, 400, 256 },
- { GR_RESOLUTION_512x384, 512, 384 },
- { GR_RESOLUTION_640x200, 640, 200 },
- { GR_RESOLUTION_640x350, 640, 350 },
- { GR_RESOLUTION_640x400, 640, 400 },
- { GR_RESOLUTION_640x480, 640, 480 },
- { GR_RESOLUTION_800x600, 800, 600 },
- { GR_RESOLUTION_960x720, 960, 720 },
- { GR_RESOLUTION_856x480, 856, 480 },
- { GR_RESOLUTION_512x256, 512, 256 },
- { GR_RESOLUTION_1024x768, 1024, 768 },
- { GR_RESOLUTION_1280x1024, 1280, 1024 },
- { GR_RESOLUTION_1600x1200, 1600, 1200 },
- { GR_RESOLUTION_400x300, 400, 300 },
- { GR_RESOLUTION_1152x864, 1152, 864 },
- { GR_RESOLUTION_1280x960, 1280, 960 },
- { GR_RESOLUTION_1600x1024, 1600, 1024 },
- { GR_RESOLUTION_1792x1344, 1792, 1344 },
- { GR_RESOLUTION_1856x1392, 1856, 1392 },
- { GR_RESOLUTION_1920x1440, 1920, 1440 },
- { GR_RESOLUTION_2048x1536, 2048, 1536 },
- { GR_RESOLUTION_2048x2048, 2048, 2048 }
- };
-
- int i, size;
- int lastvalidres = GR_RESOLUTION_640x480;
- int min = 2048 * 2048; /* max is GR_RESOLUTION_2048x2048 */
- GrResolution resTemplate = {
- GR_QUERY_ANY,
- GR_QUERY_ANY,
- 2 /*GR_QUERY_ANY */,
- GR_QUERY_ANY
- };
- GrResolution *presSupported;
-
- fxQueryHardware();
-
- size = grQueryResolutions(&resTemplate, NULL);
- presSupported = malloc(size);
-
- size /= sizeof(GrResolution);
- grQueryResolutions(&resTemplate, presSupported);
-
- for (i = 0; i < size; i++) {
- int r = presSupported[i].resolution;
- if ((width <= resolutions[r][1]) && (height <= resolutions[r][2])) {
- if (min > (resolutions[r][1] * resolutions[r][2])) {
- min = resolutions[r][1] * resolutions[r][2];
- lastvalidres = r;
- }
- }
- }
-
- free(presSupported);
-
- return resolutions[lastvalidres][0];
-}
-
-
-fxMesaContext GLAPIENTRY
-fxMesaCreateBestContext(GLuint win, GLint width, GLint height,
- const GLint attribList[])
-{
- int res = fxBestResolution(width, height);
-
- if (res == -1) {
- return NULL;
- }
-
- return fxMesaCreateContext(win, res, GR_REFRESH_60Hz, attribList);
-}
-
-
-/*
- * Create a new FX/Mesa context and return a handle to it.
- */
-fxMesaContext GLAPIENTRY
-fxMesaCreateContext(GLuint win,
- GrScreenResolution_t res,
- GrScreenRefresh_t ref, const GLint attribList[])
-{
- fxMesaContext fxMesa = NULL;
- GLcontext *ctx = NULL, *shareCtx = NULL;
- struct dd_function_table functions;
-
- int i;
- const char *str;
- int sliaa, numSLI, samplesPerChip;
- struct SstCard_St *voodoo;
- struct tdfx_glide *Glide;
-
- GLboolean aux;
- GLboolean doubleBuffer;
- GLuint colDepth;
- GLuint depthSize, alphaSize, stencilSize, accumSize;
- GLuint redBits, greenBits, blueBits, alphaBits;
- GrPixelFormat_t pixFmt;
-
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "fxMesaCreateContext(...)\n");
- }
-
- /* Okay, first process the user flags */
- aux = GL_FALSE;
- doubleBuffer = GL_FALSE;
- colDepth = 16;
- depthSize = alphaSize = stencilSize = accumSize = 0;
-
- i = 0;
- while (attribList[i] != FXMESA_NONE) {
- switch (attribList[i]) {
- case FXMESA_COLORDEPTH:
- colDepth = attribList[++i];
- break;
- case FXMESA_DOUBLEBUFFER:
- doubleBuffer = GL_TRUE;
- break;
- case FXMESA_ALPHA_SIZE:
- if ((alphaSize = attribList[++i])) {
- aux = GL_TRUE;
- }
- break;
- case FXMESA_DEPTH_SIZE:
- if ((depthSize = attribList[++i])) {
- aux = GL_TRUE;
- }
- break;
- case FXMESA_STENCIL_SIZE:
- stencilSize = attribList[++i];
- break;
- case FXMESA_ACCUM_SIZE:
- accumSize = attribList[++i];
- break;
- /* XXX ugly hack here for sharing display lists */
- case FXMESA_SHARE_CONTEXT:
- shareCtx = (GLcontext *)attribList[++i];
- break;
- default:
- fprintf(stderr, "fxMesaCreateContext: ERROR: wrong parameter (%d) passed\n", attribList[i]);
- return NULL;
- }
- i++;
- }
-
- if (!fxQueryHardware()) {
- str = "no Voodoo hardware!";
- goto errorhandler;
- }
-
- grSstSelect(glbCurrentBoard);
- /*grEnable(GR_OPENGL_MODE_EXT);*/ /* [koolsmoky] */
- voodoo = &glbHWConfig.SSTs[glbCurrentBoard];
-
- fxMesa = (fxMesaContext)CALLOC_STRUCT(tfxMesaContext);
- if (!fxMesa) {
- str = "private context";
- goto errorhandler;
- }
-
- if (getenv("MESA_FX_INFO")) {
- fxMesa->verbose = GL_TRUE;
- }
-
- fxMesa->type = voodoo->type;
- fxMesa->HavePalExt = voodoo->HavePalExt && !getenv("MESA_FX_IGNORE_PALEXT");
- fxMesa->HavePixExt = voodoo->HavePixExt && !getenv("MESA_FX_IGNORE_PIXEXT");
- fxMesa->HaveTexFmt = voodoo->HaveTexFmt && !getenv("MESA_FX_IGNORE_TEXFMT");
- fxMesa->HaveCmbExt = voodoo->HaveCmbExt && !getenv("MESA_FX_IGNORE_CMBEXT");
- fxMesa->HaveMirExt = voodoo->HaveMirExt && !getenv("MESA_FX_IGNORE_MIREXT");
- fxMesa->HaveTexUma = voodoo->HaveTexUma && !getenv("MESA_FX_IGNORE_TEXUMA");
- fxMesa->Glide = glbHWConfig.Glide;
- Glide = &fxMesa->Glide;
- fxMesa->HaveTexus2 = Glide->txImgQuantize &&
- Glide->txMipQuantize &&
- Glide->txPalToNcc && !getenv("MESA_FX_IGNORE_TEXUS2");
-
- /* Determine if we need vertex swapping, RGB order and SLI/AA */
- sliaa = 0;
- switch (fxMesa->type) {
- case GR_SSTTYPE_VOODOO:
- case GR_SSTTYPE_SST96:
- case GR_SSTTYPE_Banshee:
- fxMesa->bgrOrder = GL_TRUE;
- fxMesa->snapVertices = (getenv("MESA_FX_NOSNAP") == NULL);
- break;
- case GR_SSTTYPE_Voodoo2:
- fxMesa->bgrOrder = GL_TRUE;
- fxMesa->snapVertices = GL_FALSE;
- break;
- case GR_SSTTYPE_Voodoo4:
- case GR_SSTTYPE_Voodoo5:
- /* number of SLI units and AA Samples per chip */
- if ((str = Glide->grGetRegistryOrEnvironmentStringExt("SSTH3_SLI_AA_CONFIGURATION")) != NULL) {
- sliaa = atoi(str);
- }
- case GR_SSTTYPE_Voodoo3:
- default:
- fxMesa->bgrOrder = GL_FALSE;
- fxMesa->snapVertices = GL_FALSE;
- break;
- }
- /* XXX todo - Add the old SLI/AA settings for Napalm. */
- switch(voodoo->numChips) {
- case 4: /* 4 chips */
- switch(sliaa) {
- case 8: /* 8 Sample AA */
- numSLI = 1;
- samplesPerChip = 2;
- break;
- case 7: /* 4 Sample AA */
- numSLI = 1;
- samplesPerChip = 1;
- break;
- case 6: /* 2 Sample AA */
- numSLI = 2;
- samplesPerChip = 1;
- break;
- default:
- numSLI = 4;
- samplesPerChip = 1;
- }
- break;
- case 2: /* 2 chips */
- switch(sliaa) {
- case 4: /* 4 Sample AA */
- numSLI = 1;
- samplesPerChip = 2;
- break;
- case 3: /* 2 Sample AA */
- numSLI = 1;
- samplesPerChip = 1;
- break;
- default:
- numSLI = 2;
- samplesPerChip = 1;
- }
- break;
- default: /* 1 chip */
- switch(sliaa) {
- case 1: /* 2 Sample AA */
- numSLI = 1;
- samplesPerChip = 2;
- break;
- default:
- numSLI = 1;
- samplesPerChip = 1;
- }
- }
-
- fxMesa->fsaa = samplesPerChip * voodoo->numChips / numSLI; /* 1:noFSAA, 2:2xFSAA, 4:4xFSAA, 8:8xFSAA */
-
- switch (fxMesa->colDepth = colDepth) {
- case 15:
- redBits = 5;
- greenBits = 5;
- blueBits = 5;
- alphaBits = depthSize ? 1 : 8;
- switch(fxMesa->fsaa) {
- case 8:
- pixFmt = GR_PIXFMT_AA_8_ARGB_1555;
- break;
- case 4:
- pixFmt = GR_PIXFMT_AA_4_ARGB_1555;
- break;
- case 2:
- pixFmt = GR_PIXFMT_AA_2_ARGB_1555;
- break;
- default:
- pixFmt = GR_PIXFMT_ARGB_1555;
- }
- break;
- case 16:
- redBits = 5;
- greenBits = 6;
- blueBits = 5;
- alphaBits = depthSize ? 0 : 8;
- switch(fxMesa->fsaa) {
- case 8:
- pixFmt = GR_PIXFMT_AA_8_RGB_565;
- break;
- case 4:
- pixFmt = GR_PIXFMT_AA_4_RGB_565;
- break;
- case 2:
- pixFmt = GR_PIXFMT_AA_2_RGB_565;
- break;
- default:
- pixFmt = GR_PIXFMT_RGB_565;
- }
- break;
- case 24:
- fxMesa->colDepth = 32;
- case 32:
- redBits = 8;
- greenBits = 8;
- blueBits = 8;
- alphaBits = 8;
- switch(fxMesa->fsaa) {
- case 8:
- pixFmt = GR_PIXFMT_AA_8_ARGB_8888;
- break;
- case 4:
- pixFmt = GR_PIXFMT_AA_4_ARGB_8888;
- break;
- case 2:
- pixFmt = GR_PIXFMT_AA_2_ARGB_8888;
- break;
- default:
- pixFmt = GR_PIXFMT_ARGB_8888;
- }
- break;
- default:
- str = "pixelFormat";
- goto errorhandler;
- }
-
- /* Tips:
- * 1. we don't bother setting/checking AUX for stencil, because we'll decide
- * later whether we have HW stencil, based on depth buffer (thus AUX is
- * properly set)
- * 2. when both DEPTH and ALPHA are enabled, depth should win. However, it is
- * not clear whether 15bpp and 32bpp require AUX alpha buffer. Furthermore,
- * alpha buffering is required only if destination alpha is used in alpha
- * blending; alpha blending modes that do not use destination alpha can be
- * used w/o alpha buffer.
- * 3. `alphaBits' is what we can provide
- * `alphaSize' is what app requests
- * if we cannot provide enough bits for alpha buffer, we should fallback to
- * SW alpha. However, setting `alphaBits' to `alphaSize' might confuse some
- * of the span functions...
- */
-
- fxMesa->haveHwAlpha = GL_FALSE;
- if (alphaSize && (alphaSize <= alphaBits)) {
- alphaSize = alphaBits;
- fxMesa->haveHwAlpha = GL_TRUE;
- }
-
- fxMesa->haveHwStencil = (fxMesa->HavePixExt && stencilSize && depthSize == 24);
-
- fxMesa->haveZBuffer = depthSize > 0;
- fxMesa->haveDoubleBuffer = doubleBuffer;
- fxMesa->haveGlobalPaletteTexture = GL_FALSE;
- fxMesa->board = glbCurrentBoard;
-
- fxMesa->haveTwoTMUs = (voodoo->nTexelfx > 1);
-
- if ((str = Glide->grGetRegistryOrEnvironmentStringExt("FX_GLIDE_NUM_TMU"))) {
- if (atoi(str) <= 1) {
- fxMesa->haveTwoTMUs = GL_FALSE;
- }
- }
-
- if ((str = Glide->grGetRegistryOrEnvironmentStringExt("FX_GLIDE_SWAPPENDINGCOUNT"))) {
- fxMesa->maxPendingSwapBuffers = atoi(str);
- if (fxMesa->maxPendingSwapBuffers > 6) {
- fxMesa->maxPendingSwapBuffers = 6;
- } else if (fxMesa->maxPendingSwapBuffers < 0) {
- fxMesa->maxPendingSwapBuffers = 0;
- }
- } else {
- fxMesa->maxPendingSwapBuffers = 2;
- }
-
- if ((str = Glide->grGetRegistryOrEnvironmentStringExt("FX_GLIDE_SWAPINTERVAL"))) {
- fxMesa->swapInterval = atoi(str);
- } else {
- fxMesa->swapInterval = 0;
- }
-
- BEGIN_BOARD_LOCK();
- if (fxMesa->HavePixExt) {
- fxMesa->glideContext = Glide->grSstWinOpenExt((FxU32)win, res, ref,
- GR_COLORFORMAT_ABGR, GR_ORIGIN_LOWER_LEFT,
- pixFmt,
- 2, aux);
- } else if (pixFmt == GR_PIXFMT_RGB_565) {
- fxMesa->glideContext = grSstWinOpen((FxU32)win, res, ref,
- GR_COLORFORMAT_ABGR, GR_ORIGIN_LOWER_LEFT,
- 2, aux);
- } else {
- fxMesa->glideContext = 0;
- }
- END_BOARD_LOCK();
- if (!fxMesa->glideContext) {
- str = "grSstWinOpen";
- goto errorhandler;
- }
-
- /* screen */
- fxMesa->screen_width = FX_grSstScreenWidth();
- fxMesa->screen_height = FX_grSstScreenHeight();
-
- /* window inside screen */
- fxMesa->width = fxMesa->screen_width;
- fxMesa->height = fxMesa->screen_height;
-
- /* scissor inside window */
- fxMesa->clipMinX = 0;
- fxMesa->clipMaxX = fxMesa->width;
- fxMesa->clipMinY = 0;
- fxMesa->clipMaxY = fxMesa->height;
-
- if (fxMesa->verbose) {
- FxI32 tmuRam, fbRam;
-
- /* Not that it matters, but tmuRam and fbRam change after grSstWinOpen. */
- tmuRam = voodoo->tmuConfig[GR_TMU0].tmuRam;
- fbRam = voodoo->fbRam;
- BEGIN_BOARD_LOCK();
- grGet(GR_MEMORY_TMU, 4, &tmuRam);
- grGet(GR_MEMORY_FB, 4, &fbRam);
- END_BOARD_LOCK();
-
- fprintf(stderr, "Voodoo Using Glide %s\n", grGetString(GR_VERSION));
- fprintf(stderr, "Voodoo Board: %d/%d, %s, %d GPU\n",
- fxMesa->board + 1,
- glbHWConfig.num_sst,
- grGetString(GR_HARDWARE),
- voodoo->numChips);
- fprintf(stderr, "Voodoo Memory: FB = %ld, TM = %d x %ld\n",
- fbRam,
- voodoo->nTexelfx,
- tmuRam);
- fprintf(stderr, "Voodoo Screen: %dx%d:%d %s, %svertex snapping\n",
- fxMesa->screen_width,
- fxMesa->screen_height,
- colDepth,
- fxMesa->bgrOrder ? "BGR" : "RGB",
- fxMesa->snapVertices ? "" : "no ");
- }
-
- sprintf(fxMesa->rendererString, "Mesa %s v0.63 %s%s",
- grGetString(GR_RENDERER),
- grGetString(GR_HARDWARE),
- ((fxMesa->type < GR_SSTTYPE_Voodoo4) && (voodoo->numChips > 1)) ? " SLI" : "");
-
- fxMesa->glVis = _mesa_create_visual(GL_TRUE, /* RGB mode */
- doubleBuffer,
- GL_FALSE, /* stereo */
- redBits, /* RGBA.R bits */
- greenBits, /* RGBA.G bits */
- blueBits, /* RGBA.B bits */
- alphaSize, /* RGBA.A bits */
- 0, /* index bits */
- depthSize, /* depth_size */
- stencilSize, /* stencil_size */
- accumSize,
- accumSize,
- accumSize,
- alphaSize ? accumSize : 0,
- 1);
- if (!fxMesa->glVis) {
- str = "_mesa_create_visual";
- goto errorhandler;
- }
-
- _mesa_init_driver_functions(&functions);
- ctx = fxMesa->glCtx = _mesa_create_context(fxMesa->glVis, shareCtx,
- &functions, (void *) fxMesa);
- if (!ctx) {
- str = "_mesa_create_context";
- goto errorhandler;
- }
-
-
- if (!fxDDInitFxMesaContext(fxMesa)) {
- str = "fxDDInitFxMesaContext";
- goto errorhandler;
- }
-
-
- fxMesa->glBuffer = _mesa_create_framebuffer(fxMesa->glVis);
-#if 0
-/* XXX this is a complete mess :(
- * _mesa_add_soft_renderbuffers
- * driNewRenderbuffer
- */
- GL_FALSE, /* no software depth */
- stencilSize && !fxMesa->haveHwStencil,
- fxMesa->glVis->accumRedBits > 0,
- alphaSize && !fxMesa->haveHwAlpha);
-#endif
- if (!fxMesa->glBuffer) {
- str = "_mesa_create_framebuffer";
- goto errorhandler;
- }
-
- glbTotNumCtx++;
-
- /* install signal handlers */
-#if defined(__linux__)
- /* Only install if environment var. is not set. */
- if (!getenv("MESA_FX_NO_SIGNALS")) {
- signal(SIGINT, cleangraphics_handler);
- signal(SIGHUP, cleangraphics_handler);
- signal(SIGPIPE, cleangraphics_handler);
- signal(SIGFPE, cleangraphics_handler);
- signal(SIGBUS, cleangraphics_handler);
- signal(SIGILL, cleangraphics_handler);
- signal(SIGSEGV, cleangraphics_handler);
- signal(SIGTERM, cleangraphics_handler);
- }
-#endif
-
- return fxMesa;
-
-errorhandler:
- if (fxMesa) {
- if (fxMesa->glideContext) {
- grSstWinClose(fxMesa->glideContext);
- fxMesa->glideContext = 0;
- }
-
- if (fxMesa->state) {
- FREE(fxMesa->state);
- }
- if (fxMesa->fogTable) {
- FREE(fxMesa->fogTable);
- }
- if (fxMesa->glBuffer) {
- _mesa_reference_framebuffer(&fxMesa->glBuffer, NULL);
- }
- if (fxMesa->glVis) {
- _mesa_destroy_visual(fxMesa->glVis);
- }
- if (fxMesa->glCtx) {
- _mesa_destroy_context(fxMesa->glCtx);
- }
- FREE(fxMesa);
- }
-
- fprintf(stderr, "fxMesaCreateContext: ERROR: %s\n", str);
- return NULL;
-}
-
-
-/*
- * Function to set the new window size in the context (mainly for the Voodoo Rush)
- */
-void GLAPIENTRY
-fxMesaUpdateScreenSize(fxMesaContext fxMesa)
-{
- fxMesa->width = FX_grSstScreenWidth();
- fxMesa->height = FX_grSstScreenHeight();
-}
-
-
-/*
- * Destroy the given FX/Mesa context.
- */
-void GLAPIENTRY
-fxMesaDestroyContext(fxMesaContext fxMesa)
-{
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "fxMesaDestroyContext(...)\n");
- }
-
- if (!fxMesa)
- return;
-
- if (fxMesa->verbose) {
- fprintf(stderr, "Misc Stats:\n");
- fprintf(stderr, " # swap buffer: %u\n", fxMesa->stats.swapBuffer);
-
- if (!fxMesa->stats.swapBuffer)
- fxMesa->stats.swapBuffer = 1;
-
- fprintf(stderr, "Textures Stats:\n");
- fprintf(stderr, " Free texture memory on TMU0: %d\n",
- fxMesa->freeTexMem[FX_TMU0]);
- if (fxMesa->haveTwoTMUs)
- fprintf(stderr, " Free texture memory on TMU1: %d\n",
- fxMesa->freeTexMem[FX_TMU1]);
- fprintf(stderr, " # request to TMM to upload a texture objects: %u\n",
- fxMesa->stats.reqTexUpload);
- fprintf(stderr,
- " # request to TMM to upload a texture objects per swapbuffer: %.2f\n",
- fxMesa->stats.reqTexUpload / (float) fxMesa->stats.swapBuffer);
- fprintf(stderr, " # texture objects uploaded: %u\n",
- fxMesa->stats.texUpload);
- fprintf(stderr, " # texture objects uploaded per swapbuffer: %.2f\n",
- fxMesa->stats.texUpload / (float) fxMesa->stats.swapBuffer);
- fprintf(stderr, " # MBs uploaded to texture memory: %.2f\n",
- fxMesa->stats.memTexUpload / (float) (1 << 20));
- fprintf(stderr,
- " # MBs uploaded to texture memory per swapbuffer: %.2f\n",
- (fxMesa->stats.memTexUpload /
- (float) fxMesa->stats.swapBuffer) / (float) (1 << 20));
- }
-
- glbTotNumCtx--;
-
- if (!glbTotNumCtx && getenv("MESA_FX_INFO")) {
- GrSstPerfStats_t st;
-
- FX_grSstPerfStats(&st);
-
- fprintf(stderr, "Pixels Stats:\n");
- fprintf(stderr, " # pixels processed (minus buffer clears): %u\n",
- (unsigned) st.pixelsIn);
- fprintf(stderr, " # pixels not drawn due to chroma key test failure: %u\n",
- (unsigned) st.chromaFail);
- fprintf(stderr, " # pixels not drawn due to depth test failure: %u\n",
- (unsigned) st.zFuncFail);
- fprintf(stderr,
- " # pixels not drawn due to alpha test failure: %u\n",
- (unsigned) st.aFuncFail);
- fprintf(stderr, " # pixels drawn (including buffer clears and LFB writes): %u\n",
- (unsigned) st.pixelsOut);
- }
-
- /* close the hardware first,
- * so we can debug atexit problems (memory leaks, etc).
- */
- grSstWinClose(fxMesa->glideContext);
- fxCloseHardware();
-
- fxDDDestroyFxMesaContext(fxMesa); /* must be before _mesa_destroy_context */
- _mesa_destroy_visual(fxMesa->glVis);
- _mesa_destroy_context(fxMesa->glCtx);
- _mesa_reference_framebuffer(&fxMesa->glBuffer, NULL);
- fxTMClose(fxMesa); /* must be after _mesa_destroy_context */
-
- FREE(fxMesa);
-
- if (fxMesa == fxMesaCurrentCtx)
- fxMesaCurrentCtx = NULL;
-}
-
-
-/*
- * Make the specified FX/Mesa context the current one.
- */
-void GLAPIENTRY
-fxMesaMakeCurrent(fxMesaContext fxMesa)
-{
- if (!fxMesa) {
- _mesa_make_current(NULL, NULL, NULL);
- fxMesaCurrentCtx = NULL;
-
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "fxMesaMakeCurrent(NULL)\n");
- }
-
- return;
- }
-
- /* if this context is already the current one, we can return early */
- if (fxMesaCurrentCtx == fxMesa
- && fxMesaCurrentCtx->glCtx == _mesa_get_current_context()) {
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "fxMesaMakeCurrent(NOP)\n");
- }
-
- return;
- }
-
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "fxMesaMakeCurrent(...)\n");
- }
-
- if (fxMesaCurrentCtx)
- grGlideGetState((GrState *) fxMesaCurrentCtx->state);
-
- fxMesaCurrentCtx = fxMesa;
-
- grSstSelect(fxMesa->board);
- grGlideSetState((GrState *) fxMesa->state);
-
- _mesa_make_current(fxMesa->glCtx, fxMesa->glBuffer, fxMesa->glBuffer);
-
- fxSetupDDPointers(fxMesa->glCtx);
-}
-
-
-/*
- * Swap front/back buffers for current context if double buffered.
- */
-void GLAPIENTRY
-fxMesaSwapBuffers(void)
-{
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "fxMesaSwapBuffers()\n");
- }
-
- if (fxMesaCurrentCtx) {
- _mesa_notifySwapBuffers(fxMesaCurrentCtx->glCtx);
-
- if (fxMesaCurrentCtx->haveDoubleBuffer) {
-
- grBufferSwap(fxMesaCurrentCtx->swapInterval);
-
-#if 0
- /*
- * Don't allow swap buffer commands to build up!
- */
- while (FX_grGetInteger(GR_PENDING_BUFFERSWAPS) >
- fxMesaCurrentCtx->maxPendingSwapBuffers)
- /* The driver is able to sleep when waiting for the completation
- of multiple swapbuffer operations instead of wasting
- CPU time (NOTE: you must uncomment the following line in the
- in order to enable this option) */
- /* usleep(10000); */
- ;
-#endif
-
- fxMesaCurrentCtx->stats.swapBuffer++;
- }
- }
-}
-
-
-/*
- * Shutdown Glide library
- */
-void GLAPIENTRY
-fxCloseHardware(void)
-{
- if (glbGlideInitialized) {
- if (glbTotNumCtx == 0) {
- grGlideShutdown();
- glbGlideInitialized = 0;
- }
- }
-}
-
-
-#else
-
-
-/*
- * Need this to provide at least one external definition.
- */
-extern int gl_fx_dummy_function_api(void);
-int
-gl_fx_dummy_function_api(void)
-{
- return 0;
-}
-
-#endif /* FX */
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-31 14:51:16 +0000