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/*
* Copyright 2001 by Alan Hourihane.
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Alan Hourihane not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Alan Hourihane makes no representations
* about the suitability of this software for any purpose. It is provided
* "as is" without express or implied warranty.
*
* ALAN HOURIHANE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL ALAN HOURIHANE BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*
* Authors: Alan Hourihane, <alanh@tungstengraphics.com>
*
*/
#include "gamma_context.h"
#include "gamma_vb.h"
#include "gamma_lock.h"
#if defined(USE_X86_ASM)
#include "x86/common_x86_asm.h"
#endif
#include "context.h"
#include "swrast/swrast.h"
#define GAMMA_DATE "20021125"
/* Return the width and height of the current color buffer.
*/
static void gammaDDGetBufferSize( GLframebuffer *buffer,
GLuint *width, GLuint *height )
{
GET_CURRENT_CONTEXT(ctx);
gammaContextPtr gmesa = GAMMA_CONTEXT(ctx);
GAMMAHW_LOCK( gmesa );
*width = gmesa->driDrawable->w;
*height = gmesa->driDrawable->h;
GAMMAHW_UNLOCK( gmesa );
}
/* Return various strings for glGetString().
*/
static const GLubyte *gammaDDGetString( GLcontext *ctx, GLenum name )
{
static char buffer[128];
switch ( name ) {
case GL_VENDOR:
return (GLubyte *)"VA Linux Systems, Inc.";
case GL_RENDERER:
sprintf( buffer, "Mesa DRI Gamma " GAMMA_DATE );
/* Append any CPU-specific information.
*/
#ifdef USE_X86_ASM
if ( _mesa_x86_cpu_features ) {
strncat( buffer, " x86", 4 );
}
#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
#endif
return (GLubyte *)buffer;
default:
return NULL;
}
}
/* Enable the extensions supported by this driver.
*/
void gammaDDInitExtensions( GLcontext *ctx )
{
/* None... */
}
/* Initialize the driver's misc functions.
*/
void gammaDDInitDriverFuncs( GLcontext *ctx )
{
ctx->Driver.GetBufferSize = gammaDDGetBufferSize;
ctx->Driver.ResizeBuffers = _swrast_alloc_buffers;
ctx->Driver.GetString = gammaDDGetString;
ctx->Driver.Error = NULL;
/* Pixel path fallbacks
*/
ctx->Driver.Accum = _swrast_Accum;
ctx->Driver.Bitmap = _swrast_Bitmap;
ctx->Driver.CopyPixels = _swrast_CopyPixels;
ctx->Driver.DrawPixels = _swrast_DrawPixels;
ctx->Driver.ReadPixels = _swrast_ReadPixels;
ctx->Driver.ResizeBuffers = _swrast_alloc_buffers;
/* Swrast hooks for imaging extensions:
*/
ctx->Driver.CopyColorTable = _swrast_CopyColorTable;
ctx->Driver.CopyColorSubTable = _swrast_CopyColorSubTable;
ctx->Driver.CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D;
ctx->Driver.CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D;
}
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