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/*
* (c) Copyright IBM Corporation 2002
* 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 SYSTEM, IBM AND/OR THEIR 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:
* Ian Romanick <idr@us.ibm.com>
*/
/* $XFree86:$ */
#include <string.h>
#include <stdlib.h>
#include "mtypes.h"
#include "extensions.h"
#include "utils.h"
#if defined(USE_X86_ASM)
#include "x86/common_x86_asm.h"
#endif
unsigned
driParseDebugString( const char * debug,
const struct dri_debug_control * control )
{
unsigned flag;
flag = 0;
if ( debug != NULL ) {
while( control->string != NULL ) {
if ( strstr( debug, control->string ) != NULL ) {
flag |= control->flag;
}
control++;
}
}
return flag;
}
unsigned
driGetRendererString( char * buffer, const char * hardware_name,
const char * driver_date, GLuint agp_mode )
{
#ifdef USE_X86_ASM
char * x86_str = "";
char * mmx_str = "";
char * tdnow_str = "";
char * sse_str = "";
#endif
unsigned offset;
offset = sprintf( buffer, "Mesa DRI %s %s", hardware_name, driver_date );
/* Append any AGP-specific information.
*/
switch ( agp_mode ) {
case 1:
case 2:
case 4:
case 8:
offset += sprintf( & buffer[ offset ], " AGP %ux", agp_mode );
break;
default:
break;
}
/* Append any CPU-specific information.
*/
#ifdef USE_X86_ASM
if ( _mesa_x86_cpu_features ) {
x86_str = " x86";
}
# ifdef USE_MMX_ASM
if ( cpu_has_mmx ) {
mmx_str = (cpu_has_mmxext) ? "/MMX+" : "/MMX";
}
# endif
# ifdef USE_3DNOW_ASM
if ( cpu_has_3dnow ) {
tdnow_str = (cpu_has_3dnowext) ? "/3DNow!+" : "/3DNow!";
}
# endif
# ifdef USE_SSE_ASM
if ( cpu_has_xmm ) {
sse_str = (cpu_has_xmm2) ? "/SSE2" : "/SSE";
}
# endif
offset += sprintf( & buffer[ offset ], "%s%s%s%s",
x86_str, mmx_str, tdnow_str, sse_str );
#elif defined(USE_SPARC_ASM)
offset += sprintf( & buffer[ offset ], " Sparc" );
#endif
return offset;
}
void driInitExtensions( GLcontext * ctx,
const char * const extensions_to_enable[],
GLboolean enable_imaging )
{
unsigned i;
if ( enable_imaging ) {
_mesa_enable_imaging_extensions( ctx );
}
for ( i = 0 ; extensions_to_enable[i] != NULL ; i++ ) {
_mesa_enable_extension( ctx, extensions_to_enable[i] );
}
}
GLboolean
driCheckDriDdxDrmVersions(__DRIscreenPrivate *sPriv,
const char * driver_name,
int dri_major, int dri_minor,
int ddx_major, int ddx_minor,
int drm_major, int drm_minor)
{
static const char format[] = "%s DRI driver expected %s version %d.%d.x "
"but got version %d.%d.%d";
int major, minor, patch;
#ifndef _SOLO
/* Check the DRI version */
if (XF86DRIQueryVersion(sPriv->display, &major, &minor, &patch)) {
if (major != dri_major || minor < dri_minor) {
__driUtilMessage(format, "DRI", driver_name, dri_major, dri_minor,
major, minor, patch);
return GL_FALSE;
}
}
#else
(void)major;(void)minor;(void)patch;
#endif
/* Check that the DDX driver version is compatible */
if (sPriv->ddxMajor != ddx_major || sPriv->ddxMinor < ddx_minor) {
__driUtilMessage(format, "DDX", driver_name, ddx_major, ddx_minor,
sPriv->ddxMajor, sPriv->ddxMinor, sPriv->ddxPatch);
return GL_FALSE;
}
/* Check that the DRM driver version is compatible */
if (sPriv->drmMajor != drm_major || sPriv->drmMinor < drm_minor) {
__driUtilMessage(format, "DRM", driver_name, drm_major, drm_minor,
sPriv->drmMajor, sPriv->drmMinor, sPriv->drmPatch);
return GL_FALSE;
}
return GL_TRUE;
}
GLboolean driClipRectToFramebuffer( const GLframebuffer *buffer,
GLint *x, GLint *y,
GLsizei *width, GLsizei *height )
{
/* left clipping */
if (*x < buffer->_Xmin) {
*width -= (buffer->_Xmin - *x);
*x = buffer->_Xmin;
}
/* right clipping */
if (*x + *width > buffer->_Xmax)
*width -= (*x + *width - buffer->_Xmax - 1);
if (*width <= 0)
return GL_FALSE;
/* bottom clipping */
if (*y < buffer->_Ymin) {
*height -= (buffer->_Ymin - *y);
*y = buffer->_Ymin;
}
/* top clipping */
if (*y + *height > buffer->_Ymax)
*height -= (*y + *height - buffer->_Ymax - 1);
if (*height <= 0)
return GL_FALSE;
return GL_TRUE;
}
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