| /* $Id: ss_context.c,v 1.3 2000/11/13 20:02:58 keithw Exp $ */ |
| |
| /* |
| * Mesa 3-D graphics library |
| * Version: 3.5 |
| * |
| * 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. |
| * |
| * Authors: |
| * Keith Whitwell <keithw@valinux.com> |
| */ |
| |
| |
| #include "glheader.h" |
| #include "mem.h" |
| |
| |
| #include "ss_context.h" |
| #include "ss_triangle.h" |
| #include "ss_vb.h" |
| |
| #include "swrast_setup.h" |
| |
| |
| /* Stub for swsetup->Triangle to select a true triangle function |
| * after a state change. |
| */ |
| static void |
| _swsetup_validate_quad( GLcontext *ctx, GLuint v0, GLuint v1, |
| GLuint v2, GLuint v3, GLuint pv ) |
| { |
| _swsetup_choose_trifuncs( ctx ); |
| SWSETUP_CONTEXT(ctx)->Quad( ctx, v0, v1, v2, v3, pv ); |
| } |
| |
| static void |
| _swsetup_validate_triangle( GLcontext *ctx, GLuint v0, GLuint v1, |
| GLuint v2, GLuint pv ) |
| { |
| _swsetup_choose_trifuncs( ctx ); |
| SWSETUP_CONTEXT(ctx)->Triangle( ctx, v0, v1, v2, pv ); |
| } |
| |
| static void |
| _swsetup_validate_line( GLcontext *ctx, GLuint v0, GLuint v1, GLuint pv ) |
| { |
| _swsetup_choose_trifuncs( ctx ); |
| SWSETUP_CONTEXT(ctx)->Line( ctx, v0, v1, pv ); |
| } |
| |
| |
| static void |
| _swsetup_validate_points( GLcontext *ctx, GLuint first, GLuint last ) |
| { |
| _swsetup_choose_trifuncs( ctx ); |
| SWSETUP_CONTEXT(ctx)->Points( ctx, first, last ); |
| } |
| |
| |
| |
| static void |
| _swsetup_validate_rastersetup( struct vertex_buffer *VB, |
| GLuint start, GLuint end ) |
| { |
| GLcontext *ctx = VB->ctx; |
| _swsetup_choose_rastersetup_func( ctx ); |
| SWSETUP_CONTEXT(ctx)->RasterSetup( VB, start, end ); |
| } |
| |
| |
| #define _SWSETUP_NEW_RASTERSETUP (_NEW_RENDERMODE| \ |
| _NEW_TEXTURE| \ |
| _NEW_COLOR| \ |
| _NEW_FOG| \ |
| _NEW_POINT) |
| |
| #define _SWSETUP_NEW_RENDERINDEX (_NEW_POLYGON|_NEW_LIGHT) |
| |
| |
| #if 0 |
| /* TODO: sleep/wakeup mechanism |
| */ |
| static void |
| _swsetup_sleep( GLcontext *ctx, GLuint new_state ) |
| { |
| } |
| #endif |
| |
| static void |
| _swsetup_invalidate_state( GLcontext *ctx, GLuint new_state ) |
| { |
| SScontext *swsetup = SWSETUP_CONTEXT(ctx); |
| |
| swsetup->NewState |= new_state; |
| |
| if (new_state & _SWSETUP_NEW_RENDERINDEX) { |
| swsetup->Triangle = _swsetup_validate_triangle; |
| swsetup->Line = _swsetup_validate_line; |
| swsetup->Points = _swsetup_validate_points; |
| swsetup->Quad = _swsetup_validate_quad; |
| } |
| |
| if (new_state & _SWSETUP_NEW_RASTERSETUP) { |
| swsetup->RasterSetup = _swsetup_validate_rastersetup; |
| } |
| } |
| |
| |
| |
| /* Dispatch from these fixed entrypoints to the state-dependent |
| * functions: |
| */ |
| void |
| _swsetup_Quad( GLcontext *ctx, GLuint v0, GLuint v1, |
| GLuint v2, GLuint v3, GLuint pv ) |
| { |
| SWSETUP_CONTEXT(ctx)->Quad( ctx, v0, v1, v2, v3, pv ); |
| } |
| |
| void |
| _swsetup_Triangle( GLcontext *ctx, GLuint v0, GLuint v1, |
| GLuint v2, GLuint pv ) |
| { |
| SWSETUP_CONTEXT(ctx)->Triangle( ctx, v0, v1, v2, pv ); |
| } |
| |
| void |
| _swsetup_Line( GLcontext *ctx, GLuint v0, GLuint v1, GLuint pv ) |
| { |
| SWSETUP_CONTEXT(ctx)->Line( ctx, v0, v1, pv ); |
| } |
| |
| |
| void |
| _swsetup_Points( GLcontext *ctx, GLuint first, GLuint last ) |
| { |
| SWSETUP_CONTEXT(ctx)->Points( ctx, first, last ); |
| } |
| |
| void |
| _swsetup_RasterSetup( struct vertex_buffer *VB, GLuint start, GLuint end ) |
| { |
| SWSETUP_CONTEXT(VB->ctx)->RasterSetup( VB, start, end ); |
| } |
| |
| void |
| _swsetup_InvalidateState( GLcontext *ctx, GLuint new_state ) |
| { |
| SWSETUP_CONTEXT(ctx)->InvalidateState( ctx, new_state ); |
| } |
| |
| |
| GLboolean |
| _swsetup_CreateContext( GLcontext *ctx ) |
| { |
| SScontext *swsetup = (SScontext *)CALLOC(sizeof(SScontext)); |
| |
| if (!swsetup) |
| return GL_FALSE; |
| |
| ctx->swsetup_context = swsetup; |
| |
| swsetup->NewState = ~0; |
| swsetup->InvalidateState = _swsetup_invalidate_state; |
| swsetup->Quad = _swsetup_validate_quad; |
| swsetup->Triangle = _swsetup_validate_triangle; |
| swsetup->Line = _swsetup_validate_line; |
| swsetup->Points = _swsetup_validate_points; |
| swsetup->RasterSetup = _swsetup_validate_rastersetup; |
| |
| _swsetup_vb_init( ctx ); |
| _swsetup_trifuncs_init( ctx ); |
| |
| return GL_TRUE; |
| } |
| |
| void |
| _swsetup_DestroyContext( GLcontext *ctx ) |
| { |
| if (SWSETUP_CONTEXT(ctx)) { |
| FREE(SWSETUP_CONTEXT(ctx)); |
| ctx->swsetup_context = 0; |
| } |
| } |
| |
| void |
| _swsetup_RegisterVB( struct vertex_buffer *VB ) |
| { |
| SSvertexbuffer *ssvb = (SSvertexbuffer *)CALLOC(sizeof(SSvertexbuffer) ); |
| |
| ssvb->verts = ALIGN_MALLOC( sizeof(SWvertex) * VB->Size, 32); |
| if (!ssvb->verts) { |
| FREE(ssvb); |
| /*return GL_FALSE;*/ |
| } |
| |
| VB->swsetup_vb = ssvb; |
| /*return GL_TRUE;*/ |
| } |
| |
| |
| void |
| _swsetup_UnregisterVB( struct vertex_buffer *VB ) |
| { |
| SSvertexbuffer *ssvb = SWSETUP_VB(VB); |
| |
| if (ssvb) { |
| if (ssvb->verts) ALIGN_FREE(ssvb->verts); |
| FREE(ssvb); |
| VB->swsetup_vb = 0; |
| } |
| } |