home *** CD-ROM | disk | FTP | other *** search
- /* $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
-