From 848ff108a06c1a8171bab879669c08c9274908f5 Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Wed, 6 Aug 2003 18:01:13 +0000 Subject: mga driver, brought over by Jon Smirl --- src/mesa/drivers/dri/mga/mgadd.c | 171 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 171 insertions(+) create mode 100644 src/mesa/drivers/dri/mga/mgadd.c (limited to 'src/mesa/drivers/dri/mga/mgadd.c') diff --git a/src/mesa/drivers/dri/mga/mgadd.c b/src/mesa/drivers/dri/mga/mgadd.c new file mode 100644 index 0000000000..6ce50e6726 --- /dev/null +++ b/src/mesa/drivers/dri/mga/mgadd.c @@ -0,0 +1,171 @@ +/* + * Copyright 2000-2001 VA Linux Systems, Inc. + * 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 + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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: + * Keith Whitwell + */ +/* $XFree86: xc/lib/GL/mesa/src/drv/mga/mgadd.c,v 1.14 2002/10/30 12:51:35 alanh Exp $ */ + + +#include "mtypes.h" + + +#include +#include + +#include "mm.h" +#include "mgacontext.h" +#include "mgadd.h" +#include "mgastate.h" +#include "mgaspan.h" +#include "mgatex.h" +#include "mgatris.h" +#include "mgavb.h" +#include "mga_xmesa.h" +#include "extensions.h" +#if defined(USE_X86_ASM) +#include "X86/common_x86_asm.h" +#endif + +#define MGA_DATE "20020221" + + +/*************************************** + * Mesa's Driver Functions + ***************************************/ + + +static const GLubyte *mgaDDGetString( GLcontext *ctx, GLenum name ) +{ + mgaContextPtr mmesa = MGA_CONTEXT( ctx ); + static char buffer[128]; + + switch ( name ) { + case GL_VENDOR: + return (GLubyte *) "VA Linux Systems Inc."; + + case GL_RENDERER: + sprintf( buffer, "Mesa DRI %s " MGA_DATE, + MGA_IS_G400(mmesa) ? "G400" : + MGA_IS_G200(mmesa) ? "G200" : "MGA" ); + + /* Append any AGP-specific information. + */ + switch ( mmesa->mgaScreen->agpMode ) { + case 1: + strncat( buffer, " AGP 1x", 7 ); + break; + case 2: + strncat( buffer, " AGP 2x", 7 ); + break; + case 4: + strncat( buffer, " AGP 4x", 7 ); + break; + } + + /* Append any CPU-specific information. + */ +#ifdef USE_X86_ASM + if ( _mesa_x86_cpu_features ) { + strncat( buffer, " x86", 4 ); + } +#endif +#ifdef USE_MMX_ASM + if ( cpu_has_mmx ) { + strncat( buffer, "/MMX", 4 ); + } +#endif +#ifdef USE_3DNOW_ASM + if ( cpu_has_3dnow ) { + strncat( buffer, "/3DNow!", 7 ); + } +#endif +#ifdef USE_SSE_ASM + if ( cpu_has_xmm ) { + strncat( buffer, "/SSE", 4 ); + } +#endif + return (GLubyte *)buffer; + + default: + return NULL; + } +} + + + +static void mgaBufferSize(GLframebuffer *buffer, GLuint *width, GLuint *height) +{ + GET_CURRENT_CONTEXT(ctx); + mgaContextPtr mmesa = MGA_CONTEXT(ctx); + + /* Need to lock to make sure the driDrawable is uptodate. This + * information is used to resize Mesa's software buffers, so it has + * to be correct. + */ + LOCK_HARDWARE( mmesa ); + *width = mmesa->driDrawable->w; + *height = mmesa->driDrawable->h; + UNLOCK_HARDWARE( mmesa ); +} + +void mgaDDExtensionsInit( GLcontext *ctx ) +{ + /* paletted_textures currently doesn't work, but we could fix them later */ + /* + _mesa_enable_extension( ctx, "GL_EXT_shared_texture_palette" ); + _mesa_enable_extension( ctx, "GL_EXT_paletted_texture" ); + */ + + _mesa_enable_extension( ctx, "GL_ARB_texture_compression" ); + _mesa_enable_extension( ctx, "GL_ARB_multisample" ); + + _mesa_enable_extension( ctx, "GL_SGIS_generate_mipmap" ); + + /* Turn on multitexture and texenv_add for the G400. + */ + if (MGA_IS_G400(MGA_CONTEXT(ctx))) { + _mesa_enable_extension( ctx, "GL_ARB_multitexture" ); + _mesa_enable_extension( ctx, "GL_ARB_texture_env_add" ); + + _mesa_enable_extension( ctx, "GL_EXT_texture_env_add" ); + +#if defined (MESA_packed_depth_stencil) + _mesa_enable_extension( ctx, "GL_MESA_packed_depth_stencil" ); +#endif + +#if defined (MESA_experimetal_agp_allocator) + if (!getenv("MGA_DISABLE_AGP_ALLOCATOR")) + _mesa_enable_extension( ctx, "GL_MESA_experimental_agp_allocator" ); +#endif + } +} + + + +void mgaDDInitDriverFuncs( GLcontext *ctx ) +{ + ctx->Driver.GetBufferSize = mgaBufferSize; + ctx->Driver.ResizeBuffers = _swrast_alloc_buffers; + ctx->Driver.GetString = mgaDDGetString; +} -- cgit v1.2.3