| /* |
| * 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 ); \ |
| \ |
| /* 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_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; |
| } |
