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interp_tmp.h
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2000-01-07
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/* $Id: interp_tmp.h,v 1.2.2.1 1999/11/25 16:51:24 keithw Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.1
*
* Copyright (C) 1999 Brian Paul 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
* 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
* BRIAN PAUL 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.
*/
static void NAME( struct vertex_buffer *VB,
GLuint dst, GLfloat t, GLuint in, GLuint out )
{
#if (IND & (CLIP_RGBA0|CLIP_FOG_COORD))
GLfloat col[3][4];
#endif
(void) VB;
(void) dst;
(void) t;
(void) in;
(void) out;
#if (IND & CLIP_RGBA0)
UBYTE_RGBA_TO_FLOAT_RGBA(col[1], VB->Color[0]->data[in]);
UBYTE_RGBA_TO_FLOAT_RGBA(col[2], VB->Color[0]->data[out]);
INTERP_SZ( t, col, 0, 1, 2, 4 );
FLOAT_RGBA_TO_UBYTE_RGBA(VB->Color[0]->data[dst], col[0]);
#endif
#if (IND & CLIP_RGBA1)
if (VB->ctx->TriangleCaps & DD_TRI_LIGHT_TWOSIDE) {
UBYTE_RGBA_TO_FLOAT_RGBA(col[1], VB->Color[1]->data[in]);
UBYTE_RGBA_TO_FLOAT_RGBA(col[2], VB->Color[1]->data[out]);
INTERP_SZ( t, col, 0, 1, 2, 4 );
FLOAT_RGBA_TO_UBYTE_RGBA(VB->Color[1]->data[dst], col[0]);
}
if (VB->ctx->TriangleCaps & DD_SEPERATE_SPECULAR)
{
UBYTE_RGBA_TO_FLOAT_RGBA(col[1], VB->Spec[0][in]);
UBYTE_RGBA_TO_FLOAT_RGBA(col[2], VB->Spec[0][out]);
INTERP_SZ( t, col, 0, 1, 2, 3 );
FLOAT_RGBA_TO_UBYTE_RGBA(VB->Spec[0][dst], col[0]);
if (VB->ctx->TriangleCaps & DD_TRI_LIGHT_TWOSIDE) {
UBYTE_RGBA_TO_FLOAT_RGBA(col[1], VB->Spec[1][in]);
UBYTE_RGBA_TO_FLOAT_RGBA(col[2], VB->Spec[1][out]);
INTERP_SZ( t, col, 0, 1, 2, 3 );
FLOAT_RGBA_TO_UBYTE_RGBA(VB->Spec[1][dst], col[0]);
}
}
#endif
#if (IND & CLIP_FOG_COORD)
col[0][0] = UBYTE_COLOR_TO_FLOAT_COLOR( VB->Spec[0][in][3]);
col[0][1] = UBYTE_COLOR_TO_FLOAT_COLOR( VB->Spec[0][out][3]);
col[0][2] = LINTERP( t, col[0][0], col[0][1] );
FLOAT_COLOR_TO_UBYTE_COLOR(VB->Spec[0][dst][3], col[0][2]);
#endif
#if (IND & CLIP_INDEX0)
VB->IndexPtr->data[dst] = (GLuint) (GLint)
LINTERP( t,
(GLfloat) VB->Index[0]->data[in],
(GLfloat) VB->Index[0]->data[out] );
#endif
#if (IND & CLIP_INDEX1)
VB->Index[1]->data[dst] = (GLuint) (GLint)
LINTERP( t,
(GLfloat) VB->Index[1]->data[in],
(GLfloat) VB->Index[1]->data[out] );
#endif
#if (IND & CLIP_TEX0)
INTERP_SZ( t,
VB->TexCoordPtr[0]->data,
dst, in, out,
VB->TexCoordPtr[0]->size );
#endif
#if (IND & CLIP_TEX1)
INTERP_SZ( t,
VB->TexCoordPtr[1]->data,
dst, in, out,
VB->TexCoordPtr[1]->size );
#endif
}
#undef IND
#undef NAME