301 lines
10 KiB
C
301 lines
10 KiB
C
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/******************************Module*Header*******************************\
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* Module Name: dl_pdata.h
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*
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* Routines to execute fast PolyData primitives.
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*
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* Created: 1-10-1996
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* Author: Hock San Lee [hockl]
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*
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* Copyright (c) 1996 Microsoft Corporation
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\**************************************************************************/
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#ifndef __dl_pdata_h_
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#define __dl_pdata_h_
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#define __PDATA_SIZE_T2F (2 * sizeof(__GLfloat))
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#define __PDATA_SIZE_C3F (3 * sizeof(__GLfloat))
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#define __PDATA_SIZE_C4F (sizeof(__GLcolor))
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#define __PDATA_SIZE_N3F (3 * sizeof(__GLfloat))
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//#define __PDATA_SIZE_V2F (2 * sizeof(__GLfloat))
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#define __PDATA_SIZE_V3F (3 * sizeof(__GLfloat))
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// We always set the POLYDATA_DLIST_COLOR_SLOW flag for colors. It allows us
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// to eliminate the flags field in the fast PolyData records.
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#define __PDATA_PD_FLAGS_T2F (POLYDATA_TEXTURE_VALID|POLYDATA_DLIST_TEXTURE2)
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#define __PDATA_PD_FLAGS_C3F (POLYDATA_COLOR_VALID)
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#define __PDATA_PD_FLAGS_C4F (POLYDATA_COLOR_VALID|POLYDATA_DLIST_COLOR_4)
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#define __PDATA_PD_FLAGS_N3F (POLYDATA_NORMAL_VALID)
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//#define __PDATA_PD_FLAGS_V2F (POLYDATA_VERTEX2)
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#define __PDATA_PD_FLAGS_V3F (POLYDATA_VERTEX3)
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#define __PDATA_PA_FLAGS_T2F (POLYARRAY_TEXTURE2)
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#define __PDATA_PA_FLAGS_C3F (0)
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#define __PDATA_PA_FLAGS_C4F (0)
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#define __PDATA_PA_FLAGS_N3F (0)
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//#define __PDATA_PA_FLAGS_V2F (POLYARRAY_VERTEX2)
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#define __PDATA_PA_FLAGS_V3F (POLYARRAY_VERTEX3)
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#endif // __dl_pdata_h_
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#ifndef __BUILD_GLI386__
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#ifdef __GLLE_POLYDATA_C3F_V3F
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#define __DL_PDATA_NAME __glle_PolyData_C3F_V3F
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#define __DL_PDATA_T2F 0
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#define __DL_PDATA_C3F 1
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#define __DL_PDATA_C4F 0
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#define __DL_PDATA_N3F 0
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// #define __DL_PDATA_V2F 0
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#define __DL_PDATA_V3F 1
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#endif
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#ifdef __GLLE_POLYDATA_N3F_V3F
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#define __DL_PDATA_NAME __glle_PolyData_N3F_V3F
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#define __DL_PDATA_T2F 0
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#define __DL_PDATA_C3F 0
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#define __DL_PDATA_C4F 0
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#define __DL_PDATA_N3F 1
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// #define __DL_PDATA_V2F 0
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#define __DL_PDATA_V3F 1
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#endif
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#ifdef __GLLE_POLYDATA_C3F_N3F_V3F
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#define __DL_PDATA_NAME __glle_PolyData_C3F_N3F_V3F
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#define __DL_PDATA_T2F 0
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#define __DL_PDATA_C3F 1
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#define __DL_PDATA_C4F 0
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#define __DL_PDATA_N3F 1
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// #define __DL_PDATA_V2F 0
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#define __DL_PDATA_V3F 1
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#endif
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#ifdef __GLLE_POLYDATA_C4F_N3F_V3F
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#define __DL_PDATA_NAME __glle_PolyData_C4F_N3F_V3F
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#define __DL_PDATA_T2F 0
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#define __DL_PDATA_C3F 0
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#define __DL_PDATA_C4F 1
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#define __DL_PDATA_N3F 1
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// #define __DL_PDATA_V2F 0
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#define __DL_PDATA_V3F 1
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#endif
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#ifdef __GLLE_POLYDATA_T2F_V3F
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#define __DL_PDATA_NAME __glle_PolyData_T2F_V3F
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#define __DL_PDATA_T2F 1
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#define __DL_PDATA_C3F 0
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#define __DL_PDATA_C4F 0
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#define __DL_PDATA_N3F 0
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// #define __DL_PDATA_V2F 0
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#define __DL_PDATA_V3F 1
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#endif
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#ifdef __GLLE_POLYDATA_T2F_C3F_V3F
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#define __DL_PDATA_NAME __glle_PolyData_T2F_C3F_V3F
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#define __DL_PDATA_T2F 1
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#define __DL_PDATA_C3F 1
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#define __DL_PDATA_C4F 0
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#define __DL_PDATA_N3F 0
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// #define __DL_PDATA_V2F 0
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#define __DL_PDATA_V3F 1
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#endif
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#ifdef __GLLE_POLYDATA_T2F_N3F_V3F
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#define __DL_PDATA_NAME __glle_PolyData_T2F_N3F_V3F
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#define __DL_PDATA_T2F 1
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#define __DL_PDATA_C3F 0
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#define __DL_PDATA_C4F 0
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#define __DL_PDATA_N3F 1
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// #define __DL_PDATA_V2F 0
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#define __DL_PDATA_V3F 1
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#endif
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#ifdef __GLLE_POLYDATA_T2F_C3F_N3F_V3F
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#define __DL_PDATA_NAME __glle_PolyData_T2F_C3F_N3F_V3F
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#define __DL_PDATA_T2F 1
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#define __DL_PDATA_C3F 1
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#define __DL_PDATA_C4F 0
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#define __DL_PDATA_N3F 1
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// #define __DL_PDATA_V2F 0
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#define __DL_PDATA_V3F 1
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#endif
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#ifdef __GLLE_POLYDATA_T2F_C4F_N3F_V3F
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#define __DL_PDATA_NAME __glle_PolyData_T2F_C4F_N3F_V3F
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#define __DL_PDATA_T2F 1
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#define __DL_PDATA_C3F 0
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#define __DL_PDATA_C4F 1
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#define __DL_PDATA_N3F 1
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// #define __DL_PDATA_V2F 0
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#define __DL_PDATA_V3F 1
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#endif
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/*************************************************************************/
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// Compute record size, pd flags and pa flags
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#if __DL_PDATA_T2F
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#define __DL_PDATA_SIZE_T __PDATA_SIZE_T2F
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#define __DL_PDATA_PD_FLAGS_T __PDATA_PD_FLAGS_T2F
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#define __DL_PDATA_PA_FLAGS_T __PDATA_PA_FLAGS_T2F
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#else
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#define __DL_PDATA_SIZE_T 0
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#define __DL_PDATA_PD_FLAGS_T 0
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#define __DL_PDATA_PA_FLAGS_T 0
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#endif
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#if __DL_PDATA_C3F
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#define __DL_PDATA_SIZE_C __PDATA_SIZE_C3F
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#define __DL_PDATA_PD_FLAGS_C __PDATA_PD_FLAGS_C3F
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#define __DL_PDATA_PA_FLAGS_C __PDATA_PA_FLAGS_C3F
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#elif __DL_PDATA_C4F
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#define __DL_PDATA_SIZE_C __PDATA_SIZE_C4F
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#define __DL_PDATA_PD_FLAGS_C __PDATA_PD_FLAGS_C4F
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#define __DL_PDATA_PA_FLAGS_C __PDATA_PA_FLAGS_C4F
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#else
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#define __DL_PDATA_SIZE_C 0
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#define __DL_PDATA_PD_FLAGS_C 0
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#define __DL_PDATA_PA_FLAGS_C 0
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#endif
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#if __DL_PDATA_N3F
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#define __DL_PDATA_SIZE_N __PDATA_SIZE_N3F
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#define __DL_PDATA_PD_FLAGS_N __PDATA_PD_FLAGS_N3F
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#define __DL_PDATA_PA_FLAGS_N __PDATA_PA_FLAGS_N3F
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#else
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#define __DL_PDATA_SIZE_N 0
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#define __DL_PDATA_PD_FLAGS_N 0
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#define __DL_PDATA_PA_FLAGS_N 0
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#endif
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#if __DL_PDATA_V2F
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#define __DL_PDATA_SIZE_V __PDATA_SIZE_V2F
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#define __DL_PDATA_PD_FLAGS_V __PDATA_PD_FLAGS_V2F
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#define __DL_PDATA_PA_FLAGS_V __PDATA_PA_FLAGS_V2F
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#elif __DL_PDATA_V3F
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#define __DL_PDATA_SIZE_V __PDATA_SIZE_V3F
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#define __DL_PDATA_PD_FLAGS_V __PDATA_PD_FLAGS_V3F
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#define __DL_PDATA_PA_FLAGS_V __PDATA_PA_FLAGS_V3F
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#else
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#define __DL_PDATA_SIZE_V 0
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#define __DL_PDATA_PD_FLAGS_V 0
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#define __DL_PDATA_PA_FLAGS_V 0
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#endif
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#define __DL_PDATA_SIZE \
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(__DL_PDATA_SIZE_T+__DL_PDATA_SIZE_C+__DL_PDATA_SIZE_N+__DL_PDATA_SIZE_V)
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#define __DL_PDATA_PD_FLAGS \
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(__DL_PDATA_PD_FLAGS_T|__DL_PDATA_PD_FLAGS_C|__DL_PDATA_PD_FLAGS_N|__DL_PDATA_PD_FLAGS_V)
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#define __DL_PDATA_PA_FLAGS \
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(__DL_PDATA_PA_FLAGS_T|__DL_PDATA_PA_FLAGS_C|__DL_PDATA_PA_FLAGS_N|__DL_PDATA_PA_FLAGS_V)
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/*************************************************************************/
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// Compute data offsets. This is here only because our compiler generates
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// better x86 assembly output!
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#define __DL_PDATA_TEXTURE_OFFSET (0)
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#define __DL_PDATA_COLOR_OFFSET (__DL_PDATA_SIZE_T)
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#define __DL_PDATA_NORMAL_OFFSET (__DL_PDATA_SIZE_T+__DL_PDATA_SIZE_C)
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#define __DL_PDATA_VERTEX_OFFSET (__DL_PDATA_SIZE_T+__DL_PDATA_SIZE_C+__DL_PDATA_SIZE_N)
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/*************************************************************************/
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// Playback a fast __glle_PolyData record in Begin.
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const GLubyte * FASTCALL __DL_PDATA_NAME(__GLcontext *gc, const GLubyte *PC)
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{
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POLYARRAY *pa;
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POLYDATA *pd;
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pa = gc->paTeb;
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if (pa->flags & POLYARRAY_IN_BEGIN)
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{
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// Update pa fields.
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pa->flags |= __DL_PDATA_PA_FLAGS;
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pd = pa->pdNextVertex++;
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#if __DL_PDATA_T2F
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pa->pdCurTexture = pd;
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#endif
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#if __DL_PDATA_C3F || __DL_PDATA_C4F
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pa->pdCurColor = pd;
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#endif
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#if __DL_PDATA_N3F
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pa->pdCurNormal = pd;
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#endif
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// Update pd attributes.
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pd->flags |= __DL_PDATA_PD_FLAGS;
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#if __DL_PDATA_V2F
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// Vertex
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pd->obj.x = ((__GLcoord *) &PC[__DL_PDATA_VERTEX_OFFSET])->x;
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pd->obj.y = ((__GLcoord *) &PC[__DL_PDATA_VERTEX_OFFSET])->y;
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pd->obj.z = __glZero;
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pd->obj.w = __glOne;
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#elif __DL_PDATA_V3F
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// Vertex
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pd->obj.x = ((__GLcoord *) &PC[__DL_PDATA_VERTEX_OFFSET])->x;
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pd->obj.y = ((__GLcoord *) &PC[__DL_PDATA_VERTEX_OFFSET])->y;
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pd->obj.z = ((__GLcoord *) &PC[__DL_PDATA_VERTEX_OFFSET])->z;
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pd->obj.w = __glOne;
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#endif
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#if __DL_PDATA_T2F
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// Texture coord
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pd->texture.x = ((__GLcoord *) &PC[__DL_PDATA_TEXTURE_OFFSET])->x;
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pd->texture.y = ((__GLcoord *) &PC[__DL_PDATA_TEXTURE_OFFSET])->y;
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pd->texture.z = __glZero;
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pd->texture.w = __glOne;
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#endif
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#if __DL_PDATA_C3F
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// Color
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pd->color[0].r = ((__GLcolor *) &PC[__DL_PDATA_COLOR_OFFSET])->r;
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pd->color[0].g = ((__GLcolor *) &PC[__DL_PDATA_COLOR_OFFSET])->g;
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pd->color[0].b = ((__GLcolor *) &PC[__DL_PDATA_COLOR_OFFSET])->b;
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pd->color[0].a = gc->alphaVertexScale;
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#elif __DL_PDATA_C4F
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// Color
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pd->color[0] = *((__GLcolor *) &PC[__DL_PDATA_COLOR_OFFSET]);
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#endif
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#if __DL_PDATA_N3F
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// Normal
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pd->normal.x = ((__GLcoord *) &PC[__DL_PDATA_NORMAL_OFFSET])->x;
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pd->normal.y = ((__GLcoord *) &PC[__DL_PDATA_NORMAL_OFFSET])->y;
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pd->normal.z = ((__GLcoord *) &PC[__DL_PDATA_NORMAL_OFFSET])->z;
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#endif
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pd[1].flags = 0;
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if (pd >= pa->pdFlush)
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PolyArrayFlushPartialPrimitive();
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}
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else
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{
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// Something went wrong at playback time! We can either try to playback
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// this record using the regular API or punt it altogether. I cannot think
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// of a situation when this can happen, so we will punt it for now.
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WARNING("Display list: playing back POLYDATA outside BEGIN!\n");
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}
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return PC + __DL_PDATA_SIZE;
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}
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#undef __DL_PDATA_NAME
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#undef __DL_PDATA_T2F
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#undef __DL_PDATA_C3F
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#undef __DL_PDATA_C4F
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#undef __DL_PDATA_N3F
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#undef __DL_PDATA_V2F
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#undef __DL_PDATA_V3F
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#undef __DL_PDATA_SIZE_T
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#undef __DL_PDATA_SIZE_C
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#undef __DL_PDATA_SIZE_N
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#undef __DL_PDATA_SIZE_V
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#undef __DL_PDATA_PD_FLAGS_T
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#undef __DL_PDATA_PD_FLAGS_C
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#undef __DL_PDATA_PD_FLAGS_N
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#undef __DL_PDATA_PD_FLAGS_V
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#undef __DL_PDATA_PA_FLAGS_T
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#undef __DL_PDATA_PA_FLAGS_C
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#undef __DL_PDATA_PA_FLAGS_N
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#undef __DL_PDATA_PA_FLAGS_V
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#undef __DL_PDATA_SIZE
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#undef __DL_PDATA_PD_FLAGS
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#undef __DL_PDATA_PA_FLAGS
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#undef __DL_PDATA_TEXTURE_OFFSET
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#undef __DL_PDATA_COLOR_OFFSET
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#undef __DL_PDATA_NORMAL_OFFSET
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#undef __DL_PDATA_VERTEX_OFFSET
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#endif // __BUILD_GLI386__
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