diff options
Diffstat (limited to 'mesalib/src/mesa/main/vtxfmt.c')
| -rw-r--r-- | mesalib/src/mesa/main/vtxfmt.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/vtxfmt.c b/mesalib/src/mesa/main/vtxfmt.c new file mode 100644 index 000000000..8d6f560a8 --- /dev/null +++ b/mesalib/src/mesa/main/vtxfmt.c @@ -0,0 +1,195 @@ +/* + * Mesa 3-D graphics library + * Version: 6.3 + * + * Copyright (C) 1999-2004 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. + * + * Authors: + * Keith Whitwell <keith@tungstengraphics.com> + * Gareth Hughes + */ + +#include "glheader.h" +#include "api_loopback.h" +#include "context.h" +#include "imports.h" +#include "mtypes.h" +#include "state.h" +#include "vtxfmt.h" + + +/* The neutral vertex format. This wraps all tnl module functions, + * verifying that the currently-installed module is valid and then + * installing the function pointers in a lazy fashion. It records the + * function pointers that have been swapped out, which allows a fast + * restoration of the neutral module in almost all cases -- a typical + * app might only require 4-6 functions to be modified from the neutral + * baseline, and only restoring these is certainly preferable to doing + * the entire module's 60 or so function pointers. + */ + +#define PRE_LOOPBACK( FUNC ) \ +{ \ + GET_CURRENT_CONTEXT(ctx); \ + struct gl_tnl_module * const tnl = &(ctx->TnlModule); \ + const int tmp_offset = _gloffset_ ## FUNC ; \ + \ + ASSERT( tnl->Current ); \ + ASSERT( tnl->SwapCount < NUM_VERTEX_FORMAT_ENTRIES ); \ + ASSERT( tmp_offset >= 0 ); \ + \ + if (tnl->SwapCount == 0) \ + ctx->Driver.BeginVertices( ctx ); \ + \ + /* Save the swapped function's dispatch entry so it can be */ \ + /* restored later. */ \ + tnl->Swapped[tnl->SwapCount].location = & (((_glapi_proc *)ctx->Exec)[tmp_offset]); \ + tnl->Swapped[tnl->SwapCount].function = (_glapi_proc)TAG(FUNC); \ + tnl->SwapCount++; \ + \ + if ( 0 ) \ + _mesa_debug(ctx, " swapping gl" #FUNC"...\n" ); \ + \ + /* Install the tnl function pointer. */ \ + SET_ ## FUNC(ctx->Exec, tnl->Current->FUNC); \ +} + +#define TAG(x) neutral_##x +#include "vtxfmt_tmp.h" + + +/** + * Use the per-vertex functions found in <vfmt> to initialze the given + * API dispatch table. + */ +static void +install_vtxfmt( struct _glapi_table *tab, const GLvertexformat *vfmt ) +{ + SET_ArrayElement(tab, vfmt->ArrayElement); + SET_Color3f(tab, vfmt->Color3f); + SET_Color3fv(tab, vfmt->Color3fv); + SET_Color4f(tab, vfmt->Color4f); + SET_Color4fv(tab, vfmt->Color4fv); + SET_EdgeFlag(tab, vfmt->EdgeFlag); + SET_EvalCoord1f(tab, vfmt->EvalCoord1f); + SET_EvalCoord1fv(tab, vfmt->EvalCoord1fv); + SET_EvalCoord2f(tab, vfmt->EvalCoord2f); + SET_EvalCoord2fv(tab, vfmt->EvalCoord2fv); + SET_EvalPoint1(tab, vfmt->EvalPoint1); + SET_EvalPoint2(tab, vfmt->EvalPoint2); + SET_FogCoordfEXT(tab, vfmt->FogCoordfEXT); + SET_FogCoordfvEXT(tab, vfmt->FogCoordfvEXT); + SET_Indexf(tab, vfmt->Indexf); + SET_Indexfv(tab, vfmt->Indexfv); + SET_Materialfv(tab, vfmt->Materialfv); + SET_MultiTexCoord1fARB(tab, vfmt->MultiTexCoord1fARB); + SET_MultiTexCoord1fvARB(tab, vfmt->MultiTexCoord1fvARB); + SET_MultiTexCoord2fARB(tab, vfmt->MultiTexCoord2fARB); + SET_MultiTexCoord2fvARB(tab, vfmt->MultiTexCoord2fvARB); + SET_MultiTexCoord3fARB(tab, vfmt->MultiTexCoord3fARB); + SET_MultiTexCoord3fvARB(tab, vfmt->MultiTexCoord3fvARB); + SET_MultiTexCoord4fARB(tab, vfmt->MultiTexCoord4fARB); + SET_MultiTexCoord4fvARB(tab, vfmt->MultiTexCoord4fvARB); + SET_Normal3f(tab, vfmt->Normal3f); + SET_Normal3fv(tab, vfmt->Normal3fv); + SET_SecondaryColor3fEXT(tab, vfmt->SecondaryColor3fEXT); + SET_SecondaryColor3fvEXT(tab, vfmt->SecondaryColor3fvEXT); + SET_TexCoord1f(tab, vfmt->TexCoord1f); + SET_TexCoord1fv(tab, vfmt->TexCoord1fv); + SET_TexCoord2f(tab, vfmt->TexCoord2f); + SET_TexCoord2fv(tab, vfmt->TexCoord2fv); + SET_TexCoord3f(tab, vfmt->TexCoord3f); + SET_TexCoord3fv(tab, vfmt->TexCoord3fv); + SET_TexCoord4f(tab, vfmt->TexCoord4f); + SET_TexCoord4fv(tab, vfmt->TexCoord4fv); + SET_Vertex2f(tab, vfmt->Vertex2f); + SET_Vertex2fv(tab, vfmt->Vertex2fv); + SET_Vertex3f(tab, vfmt->Vertex3f); + SET_Vertex3fv(tab, vfmt->Vertex3fv); + SET_Vertex4f(tab, vfmt->Vertex4f); + SET_Vertex4fv(tab, vfmt->Vertex4fv); + SET_CallList(tab, vfmt->CallList); + SET_CallLists(tab, vfmt->CallLists); + SET_Begin(tab, vfmt->Begin); + SET_End(tab, vfmt->End); + SET_Rectf(tab, vfmt->Rectf); + SET_DrawArrays(tab, vfmt->DrawArrays); + SET_DrawElements(tab, vfmt->DrawElements); + SET_DrawRangeElements(tab, vfmt->DrawRangeElements); + SET_MultiDrawElementsEXT(tab, vfmt->MultiDrawElementsEXT); + SET_EvalMesh1(tab, vfmt->EvalMesh1); + SET_EvalMesh2(tab, vfmt->EvalMesh2); + ASSERT(tab->EvalMesh2); + + /* GL_NV_vertex_program */ + SET_VertexAttrib1fNV(tab, vfmt->VertexAttrib1fNV); + SET_VertexAttrib1fvNV(tab, vfmt->VertexAttrib1fvNV); + SET_VertexAttrib2fNV(tab, vfmt->VertexAttrib2fNV); + SET_VertexAttrib2fvNV(tab, vfmt->VertexAttrib2fvNV); + SET_VertexAttrib3fNV(tab, vfmt->VertexAttrib3fNV); + SET_VertexAttrib3fvNV(tab, vfmt->VertexAttrib3fvNV); + SET_VertexAttrib4fNV(tab, vfmt->VertexAttrib4fNV); + SET_VertexAttrib4fvNV(tab, vfmt->VertexAttrib4fvNV); +#if FEATURE_ARB_vertex_program + SET_VertexAttrib1fARB(tab, vfmt->VertexAttrib1fARB); + SET_VertexAttrib1fvARB(tab, vfmt->VertexAttrib1fvARB); + SET_VertexAttrib2fARB(tab, vfmt->VertexAttrib2fARB); + SET_VertexAttrib2fvARB(tab, vfmt->VertexAttrib2fvARB); + SET_VertexAttrib3fARB(tab, vfmt->VertexAttrib3fARB); + SET_VertexAttrib3fvARB(tab, vfmt->VertexAttrib3fvARB); + SET_VertexAttrib4fARB(tab, vfmt->VertexAttrib4fARB); + SET_VertexAttrib4fvARB(tab, vfmt->VertexAttrib4fvARB); +#endif +} + + +void _mesa_init_exec_vtxfmt( GLcontext *ctx ) +{ + install_vtxfmt( ctx->Exec, &neutral_vtxfmt ); + ctx->TnlModule.SwapCount = 0; +} + + +void _mesa_install_exec_vtxfmt( GLcontext *ctx, const GLvertexformat *vfmt ) +{ + ctx->TnlModule.Current = vfmt; + _mesa_restore_exec_vtxfmt( ctx ); +} + + +void _mesa_install_save_vtxfmt( GLcontext *ctx, const GLvertexformat *vfmt ) +{ + install_vtxfmt( ctx->Save, vfmt ); +} + + +void _mesa_restore_exec_vtxfmt( GLcontext *ctx ) +{ + struct gl_tnl_module *tnl = &(ctx->TnlModule); + GLuint i; + + /* Restore the neutral tnl module wrapper. + */ + for ( i = 0 ; i < tnl->SwapCount ; i++ ) { + *(tnl->Swapped[i].location) = tnl->Swapped[i].function; + } + + tnl->SwapCount = 0; +} |