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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>
*/
#include "types.h"
#include "vbrender.h"
#include <stdio.h>
#include <stdlib.h>
#include "mm.h"
#include "mgalib.h"
#include "mgaclear.h"
#include "mgadd.h"
#include "mgadepth.h"
#include "mgalog.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"
/***************************************
* Mesa's Driver Functions
***************************************/
static const GLubyte *mgaDDGetString( GLcontext *ctx, GLenum name )
{
mgaContextPtr mmesa = MGA_CONTEXT( ctx );
switch (name) {
case GL_VENDOR:
return "Precision Insight";
case GL_RENDERER:
if (MGA_IS_G200(mmesa)) return "DRI-MGA-G200";
if (MGA_IS_G400(mmesa)) return "DRI-MGA-G400";
return "DRI-MGA";
default:
return 0;
}
}
static GLint mgaGetParameteri(const GLcontext *ctx, GLint param)
{
switch (param) {
case DD_HAVE_HARDWARE_FOG:
return 1;
default:
mgaError("mgaGetParameteri(): unknown parameter!\n");
return 0;
}
}
static void mgaBufferSize(GLcontext *ctx, GLuint *width, GLuint *height)
{
mgaContextPtr mmesa = MGA_CONTEXT(ctx);
/* 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_EXT_multitexture" );
gl_extensions_disable( ctx, "GL_SGIS_multitexture" );
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" );
}
/* 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_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" );
}
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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