diff options
Diffstat (limited to 'src/mesa/drivers/dri/gamma/gamma_dd.c')
| -rw-r--r-- | src/mesa/drivers/dri/gamma/gamma_dd.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/gamma/gamma_dd.c b/src/mesa/drivers/dri/gamma/gamma_dd.c new file mode 100644 index 0000000000..5bd84026e9 --- /dev/null +++ b/src/mesa/drivers/dri/gamma/gamma_dd.c @@ -0,0 +1,128 @@ +/* + * 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; +} |