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/*
* GLX Hardware Device Driver for Matrox G200/G400
* Copyright (C) 1999 Wittawat Yamwong
*
* 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
* WITTAWAT YAMWONG, OR ANY OTHER CONTRIBUTORS 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.
*
*
* Wittawat Yamwong <Wittawat.Yamwong@stud.uni-hannover.de>
*/
/* $XFree86: xc/lib/GL/mesa/src/drv/mga/mgadd.c,v 1.6 2000/11/08 05:02:45 dawes Exp $ */
#include "types.h"
#include "vbrender.h"
#include <stdio.h>
#include <stdlib.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 "mgapipeline.h"
#include "extensions.h"
#include "vb.h"
#include "dd.h"
#if defined(USE_X86_ASM) || defined(USE_3DNOW_ASM) || defined(USE_KATMAI_ASM)
#include "X86/common_x86_asm.h"
#endif
#define MGA_DATE "20010215"
/***************************************
* Mesa's Driver Functions
***************************************/
static const GLubyte *mgaDDGetString( GLcontext *ctx, GLenum name )
{
mgaContextPtr mmesa = MGA_CONTEXT( ctx );
static GLubyte buffer[128];
switch ( name ) {
case GL_VENDOR:
return (GLubyte *) "VA Linux Systems Inc.";
case GL_RENDERER:
sprintf( (void *)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 ( gl_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_KATMAI_ASM
if ( cpu_has_xmm ) {
strncat( buffer, "/SSE", 4 );
}
#endif
return buffer;
default:
return NULL;
}
}
static GLint mgaGetParameteri(const GLcontext *ctx, GLint param)
{
switch (param) {
case DD_HAVE_HARDWARE_FOG:
return 1;
default:
fprintf(stderr, "mgaGetParameteri(): unknown parameter!\n");
return 0;
}
}
static void mgaBufferSize(GLcontext *ctx, GLuint *width, GLuint *height)
{
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 */
gl_extensions_disable( ctx, "GL_EXT_shared_texture_palette" );
gl_extensions_disable( ctx, "GL_EXT_paletted_texture" );
/* Support multitexture only on the g400.
*/
if (!MGA_IS_G400(MGA_CONTEXT(ctx)))
{
gl_extensions_disable( ctx, "GL_ARB_multitexture" );
}
/* Turn on texenv_add for the G400.
*/
if (MGA_IS_G400(MGA_CONTEXT(ctx)))
{
gl_extensions_enable( ctx, "GL_EXT_texture_env_add" );
#if defined (MESA_packed_depth_stencil)
gl_extensions_enable( ctx, "GL_MESA_packed_depth_stencil" );
#endif
#if defined (MESA_experimetal_agp_allocator)
if (!getenv("MGA_DISABLE_AGP_ALLOCATOR"))
gl_extensions_enable( ctx, "GL_MESA_experimental_agp_allocator" );
#endif
}
/* we don't support point parameters in hardware yet */
gl_extensions_disable( ctx, "GL_EXT_point_parameters" );
/* No support for fancy imaging stuff. This should kill off
* a few rogue fallbacks.
*/
gl_extensions_disable( ctx, "ARB_imaging" );
gl_extensions_disable( ctx, "GL_EXT_blend_color" );
gl_extensions_disable( ctx, "GL_EXT_blend_minmax" );
gl_extensions_disable( ctx, "GL_EXT_blend_logic_op" );
gl_extensions_disable( ctx, "GL_EXT_blend_subtract" );
gl_extensions_disable( ctx, "GL_INGR_blend_func_separate" );
gl_extensions_disable( ctx, "GL_EXT_texture_lod_bias" );
gl_extensions_disable( ctx, "GL_MESA_resize_buffers" );
gl_extensions_disable( ctx, "GL_SGI_color_matrix" );
gl_extensions_disable( ctx, "GL_SGI_color_table" );
gl_extensions_disable( ctx, "GL_SGIX_pixel_texture" );
gl_extensions_disable( ctx, "GL_ARB_texture_cube_map" );
gl_extensions_disable( ctx, "GL_ARB_texture_compression" );
gl_extensions_disable( ctx, "GL_EXT_convolution" );
}
void mgaDDInitDriverFuncs( GLcontext *ctx )
{
ctx->Driver.GetBufferSize = mgaBufferSize;
ctx->Driver.GetString = mgaDDGetString;
ctx->Driver.GetParameteri = mgaGetParameteri;
ctx->Driver.RegisterVB = mgaDDRegisterVB;
ctx->Driver.UnregisterVB = mgaDDUnregisterVB;
ctx->Driver.BuildPrecalcPipeline = mgaDDBuildPrecalcPipeline;
}
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