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/*
* 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 <keith@tungstengraphics.com>
*/
/* $XFree86: xc/lib/GL/mesa/src/drv/mga/mgadd.c,v 1.13 2002/09/11 19:49:07 tsi Exp $ */
#include "mtypes.h"
#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 "20021125"
/***************************************
* 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;
}
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