diff options
Diffstat (limited to 'src/mesa/drivers/common/t_dd_vb.c')
| -rw-r--r-- | src/mesa/drivers/common/t_dd_vb.c | 122 |
1 files changed, 121 insertions, 1 deletions
diff --git a/src/mesa/drivers/common/t_dd_vb.c b/src/mesa/drivers/common/t_dd_vb.c index 18e93959ba..1affe3132c 100644 --- a/src/mesa/drivers/common/t_dd_vb.c +++ b/src/mesa/drivers/common/t_dd_vb.c @@ -1,4 +1,4 @@ -/* $Id: t_dd_vb.c,v 1.8 2001/03/30 00:39:02 keithw Exp $ */ +/* $Id: t_dd_vb.c,v 1.9 2001/04/28 15:26:43 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -26,6 +26,7 @@ * Authors: * Keith Whitwell <keithw@valinux.com> */ +#include "math/m_translate.h" #if (HAVE_HW_VIEWPORT) #define UNVIEWPORT_VARS @@ -212,5 +213,124 @@ void TAG(print_vertex)( GLcontext *ctx, const VERTEX *v ) fprintf(stderr, "\n"); } +static void do_import( struct vertex_buffer *VB, + struct gl_client_array *to, + struct gl_client_array *from ) +{ + GLuint count = VB->Count; + + if (!to->Ptr) { + to->Ptr = ALIGN_MALLOC( VB->Size * 4 * sizeof(GLubyte), 32 ); + to->Type = GL_UNSIGNED_BYTE; + } + + /* No need to transform the same value 3000 times. + */ + if (!from->StrideB) { + to->StrideB = 0; + count = 1; + } + else + to->StrideB = 4 * sizeof(GLubyte); + + _math_trans_4ub( (GLubyte (*)[4]) to->Ptr, + from->Ptr, + from->StrideB, + from->Type, + from->Size, + 0, + count); +} + +#ifndef IMPORT_QUALIFIER +#define IMPORT_QUALIFIER static +#endif + +IMPORT_QUALIFIER void TAG(import_float_colors)( GLcontext *ctx ) +{ + LOCALVARS + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + struct gl_client_array *to = GET_UBYTE_COLOR_STORE(); + do_import( VB, to, VB->ColorPtr[0] ); + VB->ColorPtr[0] = to; +} + +IMPORT_QUALIFIER void TAG(import_float_spec_colors)( GLcontext *ctx ) +{ + LOCALVARS + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + struct gl_client_array *to = GET_UBYTE_SPEC_COLOR_STORE(); + do_import( VB, to, VB->SecondaryColorPtr[0] ); + VB->SecondaryColorPtr[0] = to; +} + +/* Interpolate the elements of the VB not included in typical hardware + * vertices. + * + * NOTE: All these arrays are guarenteed by tnl to be writeable and + * have good stride. + */ +#ifndef INTERP_QUALIFIER +#define INTERP_QUALIFIER static +#endif + +#define GET_COLOR(ptr, idx) (((GLfloat (*)[4])((ptr)->Ptr))[idx]) + + +INTERP_QUALIFIER void TAG(interp_extras)( GLcontext *ctx, + GLfloat t, + GLuint dst, GLuint out, GLuint in, + GLboolean force_boundary ) +{ + LOCALVARS + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + + fprintf(stderr, "%s\n", __FUNCTION__); + + if (VB->ColorPtr[1]) { + INTERP_4F( t, + GET_COLOR(VB->ColorPtr[1], dst), + GET_COLOR(VB->ColorPtr[1], out), + GET_COLOR(VB->ColorPtr[1], in) ); + + if (VB->SecondaryColorPtr[1]) { + INTERP_3F( t, + GET_COLOR(VB->SecondaryColorPtr[1], dst), + GET_COLOR(VB->SecondaryColorPtr[1], out), + GET_COLOR(VB->SecondaryColorPtr[1], in) ); + } + } + + if (VB->EdgeFlag) { + VB->EdgeFlag[dst] = VB->EdgeFlag[out] || force_boundary || 1; + } + + INTERP_VERTEX(ctx, t, dst, out, in, force_boundary); +} + +INTERP_QUALIFIER void TAG(copy_pv_extras)( GLcontext *ctx, + GLuint dst, GLuint src ) +{ + LOCALVARS + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + + if (VB->ColorPtr[1]) { + COPY_4FV( GET_COLOR(VB->ColorPtr[1], dst), + GET_COLOR(VB->ColorPtr[1], src) ); + + if (VB->SecondaryColorPtr[1]) { + COPY_4FV( GET_COLOR(VB->SecondaryColorPtr[1], dst), + GET_COLOR(VB->SecondaryColorPtr[1], src) ); + } + } + + COPY_PV_VERTEX(ctx, dst, src); +} + + +#undef INTERP_QUALIFIER +#undef IMPORT_QUALIFIER +#undef GET_COLOR +#undef IND #undef TAG |