diff options
Diffstat (limited to 'src/mesa/drivers/dri/tdfx/tdfx_dd.c')
-rw-r--r-- | src/mesa/drivers/dri/tdfx/tdfx_dd.c | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/src/mesa/drivers/dri/tdfx/tdfx_dd.c b/src/mesa/drivers/dri/tdfx/tdfx_dd.c deleted file mode 100644 index e981f9a..0000000 --- a/src/mesa/drivers/dri/tdfx/tdfx_dd.c +++ /dev/null @@ -1,222 +0,0 @@ -/* -*- mode: c; c-basic-offset: 3 -*- - * - * Copyright 2000 VA Linux Systems Inc., Fremont, California. - * - * 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 (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS 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. - */ - -/** - * \file tdfx_dd.c - * Device driver interface functions for 3Dfx based cards. - * - * \author Gareth Hughes <gareth@valinux.com> (Original rewrite 29 Sep - 1 Oct 2000) - * \author Brian Paul <brianp@valinux.com> - */ - -#include "tdfx_context.h" -#include "tdfx_dd.h" -#include "tdfx_lock.h" -#include "tdfx_pixels.h" - -#include "utils.h" -#include "main/context.h" - - -/* These are used in calls to FX_grColorMaskv() */ -const GLboolean false4[4] = { GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE }; -const GLboolean true4[4] = { GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE }; - - - -/* KW: Put the word Mesa in the render string because quakeworld - * checks for this rather than doing a glGet(GL_MAX_TEXTURE_SIZE). - * Why? - */ -static const GLubyte *tdfxDDGetString( struct gl_context *ctx, GLenum name ) -{ - tdfxContextPtr fxMesa = (tdfxContextPtr) ctx->DriverCtx; - - switch (name) { - case GL_RENDERER: - { - /* The renderer string must be per-context state to handle - * multihead correctly. - */ - char *const buffer = fxMesa->rendererString; - char hardware[64]; - - LOCK_HARDWARE(fxMesa); - strncpy(hardware, fxMesa->Glide.grGetString(GR_HARDWARE), - sizeof(hardware)); - hardware[sizeof(hardware) - 1] = '\0'; - UNLOCK_HARDWARE(fxMesa); - - if ((strncmp(hardware, "Voodoo3", 7) == 0) - || (strncmp(hardware, "Voodoo4", 7) == 0) - || (strncmp(hardware, "Voodoo5", 7) == 0)) { - hardware[7] = '\0'; - } - else if (strncmp(hardware, "Voodoo Banshee", 14) == 0) { - strcpy(&hardware[6], "Banshee"); - } - else { - /* unexpected result: replace spaces with hyphens */ - int i; - for (i = 0; i < sizeof(hardware) && hardware[i]; i++) { - if (hardware[i] == ' ' || hardware[i] == '\t') { - hardware[i] = '-'; - } - } - } - - (void) driGetRendererString(buffer, hardware, 0); - return (const GLubyte *) buffer; - } - case GL_VENDOR: - return (const GLubyte *)"VA Linux Systems, Inc."; - default: - return NULL; - } -} - - -static void -tdfxBeginQuery(struct gl_context *ctx, struct gl_query_object *q) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - - (void) q; - - if (q->Target == GL_SAMPLES_PASSED_ARB) { - LOCK_HARDWARE(fxMesa); - fxMesa->Glide.grFinish(); - fxMesa->Glide.grReset(GR_STATS_PIXELS); - UNLOCK_HARDWARE(fxMesa); - } -} - - -static void -tdfxEndQuery(struct gl_context *ctx, struct gl_query_object *q) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - FxI32 total_pixels; - FxI32 z_fail_pixels; - - - if (q->Target == GL_SAMPLES_PASSED_ARB) { - LOCK_HARDWARE(fxMesa); - fxMesa->Glide.grFinish(); - - fxMesa->Glide.grGet(GR_STATS_PIXELS_DEPTHFUNC_FAIL, sizeof(FxI32), - &z_fail_pixels); - fxMesa->Glide.grGet(GR_STATS_PIXELS_IN, sizeof(FxI32), &total_pixels); - - q->Result = total_pixels - z_fail_pixels; - - /* Apparently, people have seen z_fail_pixels > total_pixels under - * some conditions on some 3Dfx hardware. The occlusion query spec - * requires that we clamp to 0. - */ - if (q->Result < 0) { - q->Result = 0; - } - - q->Ready = GL_TRUE; - - UNLOCK_HARDWARE(fxMesa); - } -} - - -#define VISUAL_EQUALS_RGBA(vis, r, g, b, a) \ - ((vis->redBits == r) && \ - (vis->greenBits == g) && \ - (vis->blueBits == b) && \ - (vis->alphaBits == a)) - -void tdfxDDInitDriverFuncs( const struct gl_config *visual, - struct dd_function_table *functions ) -{ - if ( MESA_VERBOSE & VERBOSE_DRIVER ) { - fprintf( stderr, "tdfx: %s()\n", __FUNCTION__ ); - } - - functions->GetString = tdfxDDGetString; - functions->BeginQuery = tdfxBeginQuery; - functions->EndQuery = tdfxEndQuery; - - /* Accelerated paths - */ - if ( VISUAL_EQUALS_RGBA(visual, 8, 8, 8, 8) ) - { - functions->DrawPixels = tdfx_drawpixels_R8G8B8A8; - functions->ReadPixels = tdfx_readpixels_R8G8B8A8; - } - else if ( VISUAL_EQUALS_RGBA(visual, 5, 6, 5, 0) ) - { - functions->ReadPixels = tdfx_readpixels_R5G6B5; - } -} - - -/* - * These are here for lack of a better place. - */ - -void -FX_grColorMaskv(struct gl_context *ctx, const GLboolean rgba[4]) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - LOCK_HARDWARE(fxMesa); - if (ctx->Visual.redBits == 8) { - /* 32bpp mode */ - ASSERT( fxMesa->Glide.grColorMaskExt ); - fxMesa->Glide.grColorMaskExt(rgba[RCOMP], rgba[GCOMP], - rgba[BCOMP], rgba[ACOMP]); - } - else { - /* 16 bpp mode */ - /* we never have an alpha buffer */ - fxMesa->Glide.grColorMask(rgba[RCOMP] || rgba[GCOMP] || rgba[BCOMP], - GL_FALSE); - } - UNLOCK_HARDWARE(fxMesa); -} - -void -FX_grColorMaskv_NoLock(struct gl_context *ctx, const GLboolean rgba[4]) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - if (ctx->Visual.redBits == 8) { - /* 32bpp mode */ - ASSERT( fxMesa->Glide.grColorMaskExt ); - fxMesa->Glide.grColorMaskExt(rgba[RCOMP], rgba[GCOMP], - rgba[BCOMP], rgba[ACOMP]); - } - else { - /* 16 bpp mode */ - /* we never have an alpha buffer */ - fxMesa->Glide.grColorMask(rgba[RCOMP] || rgba[GCOMP] || rgba[BCOMP], - GL_FALSE); - } -} |