From f4092abdf94af6a99aff944d6264bc1284e8bdd4 Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Mon, 10 Oct 2011 17:43:39 +0200 Subject: Imported nx-X11-3.1.0-1.tar.gz Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository --- .../extras/Mesa/src/mesa/swrast_setup/ss_context.c | 250 +++++++++++++++++++++ 1 file changed, 250 insertions(+) create mode 100644 nx-X11/extras/Mesa/src/mesa/swrast_setup/ss_context.c (limited to 'nx-X11/extras/Mesa/src/mesa/swrast_setup/ss_context.c') diff --git a/nx-X11/extras/Mesa/src/mesa/swrast_setup/ss_context.c b/nx-X11/extras/Mesa/src/mesa/swrast_setup/ss_context.c new file mode 100644 index 000000000..c63646ca9 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/swrast_setup/ss_context.c @@ -0,0 +1,250 @@ +/* + * Mesa 3-D graphics library + * Version: 6.1 + * + * 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 + */ + +#include "glheader.h" +#include "imports.h" +#include "colormac.h" +#include "ss_context.h" +#include "ss_triangle.h" +#include "swrast_setup.h" +#include "tnl/tnl.h" +#include "tnl/t_context.h" +#include "tnl/t_pipeline.h" +#include "tnl/t_vertex.h" + +/* Need to check lighting state and vertex program state to know + * if two-sided lighting is in effect. + */ +#define _SWSETUP_NEW_RENDERINDEX (_NEW_POLYGON|_NEW_LIGHT|_NEW_PROGRAM) + + +GLboolean +_swsetup_CreateContext( GLcontext *ctx ) +{ + SScontext *swsetup = (SScontext *)CALLOC(sizeof(SScontext)); + + if (!swsetup) + return GL_FALSE; + + ctx->swsetup_context = swsetup; + + swsetup->NewState = ~0; + _swsetup_trifuncs_init( ctx ); + + _tnl_init_vertices( ctx, ctx->Const.MaxArrayLockSize + 12, + sizeof(SWvertex) ); + + + return GL_TRUE; +} + +void +_swsetup_DestroyContext( GLcontext *ctx ) +{ + SScontext *swsetup = SWSETUP_CONTEXT(ctx); + + if (swsetup) { + FREE(swsetup); + ctx->swsetup_context = 0; + } + + _tnl_free_vertices( ctx ); +} + +static void +_swsetup_RenderPrimitive( GLcontext *ctx, GLenum mode ) +{ + SWSETUP_CONTEXT(ctx)->render_prim = mode; + _swrast_render_primitive( ctx, mode ); +} + +#define SWZ ((SWvertex *)0) +#define SWOffset(MEMBER) (((char *)&(SWZ->MEMBER)) - ((char *)SWZ)) + +#define EMIT_ATTR( ATTR, STYLE, MEMBER ) \ +do { \ + map[e].attrib = (ATTR); \ + map[e].format = (STYLE); \ + map[e].offset = SWOffset(MEMBER); \ + e++; \ +} while (0) + + +/* + * We patch this function into tnl->Driver.Render.Start. + * It's called when we start rendering a vertex buffer. + */ +static void +_swsetup_RenderStart( GLcontext *ctx ) +{ + SScontext *swsetup = SWSETUP_CONTEXT(ctx); + TNLcontext *tnl = TNL_CONTEXT(ctx); + struct vertex_buffer *VB = &tnl->vb; + GLuint new_state = swsetup->NewState; + + if (new_state & _SWSETUP_NEW_RENDERINDEX) { + _swsetup_choose_trifuncs( ctx ); + } + + swsetup->NewState = 0; + + _swrast_render_start( ctx ); + + /* Important: + */ + VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr; + + + if (tnl->render_inputs != swsetup->last_index) { + GLuint index = tnl->render_inputs; + struct tnl_attr_map map[_TNL_ATTRIB_MAX]; + int i, e = 0; + + EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, win ); + + if (index & _TNL_BIT_COLOR0) + EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4CHAN_4F_RGBA, color ); + + if (index & _TNL_BIT_COLOR1) + EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_4CHAN_4F_RGBA, specular); + + if (index & _TNL_BIT_FOG) + EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1F, fog); + + if (index & _TNL_BITS_TEX_ANY) { + for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) { + if (index & _TNL_BIT_TEX(i)) { + EMIT_ATTR( _TNL_ATTRIB_TEX0+i, EMIT_4F, texcoord[i] ); + } + } + } + + if (index & _TNL_BIT_INDEX) + EMIT_ATTR( _TNL_ATTRIB_INDEX, EMIT_1F, index ); + + if (index & _TNL_BIT_POINTSIZE) + EMIT_ATTR( _TNL_ATTRIB_POINTSIZE, EMIT_1F, pointSize ); + + _tnl_install_attrs( ctx, map, e, + ctx->Viewport._WindowMap.m, + sizeof(SWvertex) ); + + swsetup->last_index = index; + } + +} + +/* + * We patch this function into tnl->Driver.Render.Finish. + * It's called when we finish rendering a vertex buffer. + */ +static void +_swsetup_RenderFinish( GLcontext *ctx ) +{ + _swrast_render_finish( ctx ); +} + +void +_swsetup_InvalidateState( GLcontext *ctx, GLuint new_state ) +{ + SScontext *swsetup = SWSETUP_CONTEXT(ctx); + swsetup->NewState |= new_state; + _tnl_invalidate_vertex_state( ctx, new_state ); +} + + +void +_swsetup_Wakeup( GLcontext *ctx ) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + SScontext *swsetup = SWSETUP_CONTEXT(ctx); + + tnl->Driver.Render.Start = _swsetup_RenderStart; + tnl->Driver.Render.Finish = _swsetup_RenderFinish; + tnl->Driver.Render.PrimitiveNotify = _swsetup_RenderPrimitive; + tnl->Driver.Render.Interp = _tnl_interp; + tnl->Driver.Render.CopyPV = _tnl_copy_pv; + tnl->Driver.Render.ClippedPolygon = _tnl_RenderClippedPolygon; /* new */ + tnl->Driver.Render.ClippedLine = _tnl_RenderClippedLine; /* new */ + /* points */ + /* line */ + /* triangle */ + /* quad */ + tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts; + tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts; + tnl->Driver.Render.ResetLineStipple = _swrast_ResetLineStipple; + tnl->Driver.Render.BuildVertices = _tnl_build_vertices; + tnl->Driver.Render.Multipass = 0; + + _tnl_invalidate_vertices( ctx, ~0 ); + _tnl_need_projected_coords( ctx, GL_TRUE ); + _swsetup_InvalidateState( ctx, ~0 ); + + swsetup->verts = (SWvertex *)tnl->clipspace.vertex_buf; + swsetup->last_index = 0; +} + + + + + +/* Populate a swrast SWvertex from an attrib-style vertex. + */ +void +_swsetup_Translate( GLcontext *ctx, const void *vertex, SWvertex *dest ) +{ + const GLfloat *m = ctx->Viewport._WindowMap.m; + GLfloat tmp[4]; + GLuint i; + + _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_POS, tmp ); + + dest->win[0] = m[0] * tmp[0] + m[12]; + dest->win[1] = m[5] * tmp[1] + m[13]; + dest->win[2] = m[10] * tmp[2] + m[14]; + dest->win[3] = tmp[3]; + + + for (i = 0 ; i < ctx->Const.MaxTextureUnits ; i++) + _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_TEX0+i, dest->texcoord[i] ); + + _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_COLOR0, tmp ); + UNCLAMPED_FLOAT_TO_RGBA_CHAN( dest->color, tmp ); + + _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_COLOR1, tmp ); + UNCLAMPED_FLOAT_TO_RGBA_CHAN( dest->specular, tmp ); + + _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_FOG, tmp ); + dest->fog = tmp[0]; + + _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_INDEX, tmp ); + dest->index = (GLuint) tmp[0]; + + _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_POINTSIZE, tmp ); + dest->pointSize = tmp[0]; +} + -- cgit v1.2.3