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 --- nx-X11/extras/Mesa/src/mesa/tnl/t_vtx_exec.c | 284 +++++++++++++++++++++++++++ 1 file changed, 284 insertions(+) create mode 100644 nx-X11/extras/Mesa/src/mesa/tnl/t_vtx_exec.c (limited to 'nx-X11/extras/Mesa/src/mesa/tnl/t_vtx_exec.c') diff --git a/nx-X11/extras/Mesa/src/mesa/tnl/t_vtx_exec.c b/nx-X11/extras/Mesa/src/mesa/tnl/t_vtx_exec.c new file mode 100644 index 000000000..ef609781c --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/tnl/t_vtx_exec.c @@ -0,0 +1,284 @@ +/* + * Mesa 3-D graphics library + * Version: 5.1 + * + * Copyright (C) 1999-2003 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 "api_eval.h" +#include "context.h" +#include "enums.h" +#include "state.h" +#include "macros.h" +#include "math/m_eval.h" +#include "t_vtx_api.h" +#include "t_pipeline.h" + + +static void _tnl_print_vtx( GLcontext *ctx ) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + GLuint count = tnl->vtx.initial_counter - tnl->vtx.counter; + GLuint i; + + _mesa_debug(ctx, "_tnl_print_vtx: %u vertices %d primitives, %d vertsize\n", + count, + tnl->vtx.prim_count, + tnl->vtx.vertex_size); + + for (i = 0 ; i < tnl->vtx.prim_count ; i++) { + struct tnl_prim *prim = &tnl->vtx.prim[i]; + _mesa_debug(NULL, " prim %d: %s %d..%d %s %s\n", + i, + _mesa_lookup_enum_by_nr(prim->mode & PRIM_MODE_MASK), + prim->start, + prim->start + prim->count, + (prim->mode & PRIM_BEGIN) ? "BEGIN" : "(wrap)", + (prim->mode & PRIM_END) ? "END" : "(wrap)"); + } +} + +GLboolean *_tnl_translate_edgeflag( GLcontext *ctx, const GLfloat *data, + GLuint count, GLuint stride ) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + GLboolean *ef = tnl->vtx.edgeflag_tmp; + GLuint i; + + if (!ef) + ef = tnl->vtx.edgeflag_tmp = (GLboolean *) MALLOC( tnl->vb.Size ); + + for (i = 0 ; i < count ; i++, data += stride) + ef[i] = (data[0] == 1.0); + + return ef; +} + + +GLboolean *_tnl_import_current_edgeflag( GLcontext *ctx, + GLuint count ) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + GLboolean *ef = tnl->vtx.edgeflag_tmp; + GLboolean tmp = ctx->Current.EdgeFlag; + GLuint i; + + if (!ef) + ef = tnl->vtx.edgeflag_tmp = (GLboolean *) MALLOC( tnl->vb.Size ); + + for (i = 0 ; i < count ; i++) + ef[i] = tmp; + + return ef; +} + +static INLINE GLint get_size( const GLfloat *f ) +{ + if (f[3] != 1.0) return 4; + if (f[2] != 0.0) return 3; + return 2; +} + +/* Some nasty stuff still hanging on here. + * + * TODO - remove VB->NormalPtr, etc and just use the AttrPtr's. + */ +static void _tnl_vb_bind_vtx( GLcontext *ctx ) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + struct vertex_buffer *VB = &tnl->vb; + struct tnl_vertex_arrays *tmp = &tnl->vtx_inputs; + GLfloat *data = tnl->vtx.buffer; + GLuint count = tnl->vtx.initial_counter - tnl->vtx.counter; + GLuint attr, i; + + if (0) fprintf(stderr, "_tnl_vb_bind_vtx(): %d verts %d vertsize\n", + count, tnl->vtx.vertex_size); + + + /* Setup constant data in the VB. + */ + VB->Count = count; + VB->Primitive = tnl->vtx.prim; + VB->PrimitiveCount = tnl->vtx.prim_count; + VB->Elts = NULL; + VB->NormalLengthPtr = NULL; + + for (attr = 0; attr <= _TNL_ATTRIB_INDEX ; attr++) { + if (tnl->vtx.attrsz[attr]) { + tmp->Attribs[attr].count = count; + tmp->Attribs[attr].data = (GLfloat (*)[4]) data; + tmp->Attribs[attr].start = data; + tmp->Attribs[attr].size = tnl->vtx.attrsz[attr]; + tmp->Attribs[attr].stride = tnl->vtx.vertex_size * sizeof(GLfloat); + VB->AttribPtr[attr] = &tmp->Attribs[attr]; + data += tnl->vtx.attrsz[attr]; + } + else { +/* VB->AttribPtr[attr] = &tnl->current.Attribs[attr]; */ + + + tmp->Attribs[attr].count = 1; + tmp->Attribs[attr].data = (GLfloat (*)[4]) tnl->vtx.current[attr]; + tmp->Attribs[attr].start = tnl->vtx.current[attr]; + tmp->Attribs[attr].size = get_size( tnl->vtx.current[attr] ); + tmp->Attribs[attr].stride = 0; + VB->AttribPtr[attr] = &tmp->Attribs[attr]; + } + } + + + /* Copy and translate EdgeFlag to a contiguous array of GLbooleans + */ + if (ctx->Polygon.FrontMode != GL_FILL || ctx->Polygon.BackMode != GL_FILL) { + if (tnl->vtx.attrsz[_TNL_ATTRIB_EDGEFLAG]) { + VB->EdgeFlag = _tnl_translate_edgeflag( ctx, data, count, + tnl->vtx.vertex_size ); + data++; + } + else + VB->EdgeFlag = _tnl_import_current_edgeflag( ctx, count ); + } + + /* Legacy pointers -- remove one day. + */ + VB->ObjPtr = VB->AttribPtr[_TNL_ATTRIB_POS]; + VB->NormalPtr = VB->AttribPtr[_TNL_ATTRIB_NORMAL]; + VB->ColorPtr[0] = VB->AttribPtr[_TNL_ATTRIB_COLOR0]; + VB->ColorPtr[1] = NULL; + VB->IndexPtr[0] = VB->AttribPtr[_TNL_ATTRIB_INDEX]; + VB->IndexPtr[1] = NULL; + VB->SecondaryColorPtr[0] = VB->AttribPtr[_TNL_ATTRIB_COLOR1]; + VB->SecondaryColorPtr[1] = NULL; + VB->FogCoordPtr = VB->AttribPtr[_TNL_ATTRIB_FOG]; + + for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) { + VB->TexCoordPtr[i] = VB->AttribPtr[_TNL_ATTRIB_TEX0 + i]; + } +} + + +/* + * NOTE: Need to have calculated primitives by this point -- do it on the fly. + * NOTE: Old 'parity' issue is gone. + */ +static GLuint _tnl_copy_vertices( GLcontext *ctx ) +{ + TNLcontext *tnl = TNL_CONTEXT( ctx ); + GLuint nr = tnl->vtx.prim[tnl->vtx.prim_count-1].count; + GLuint ovf, i; + GLuint sz = tnl->vtx.vertex_size; + GLfloat *dst = tnl->vtx.copied.buffer; + GLfloat *src = (tnl->vtx.buffer + + tnl->vtx.prim[tnl->vtx.prim_count-1].start * + tnl->vtx.vertex_size); + + + switch( ctx->Driver.CurrentExecPrimitive ) + { + case GL_POINTS: + return 0; + case GL_LINES: + ovf = nr&1; + for (i = 0 ; i < ovf ; i++) + _mesa_memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz * sizeof(GLfloat) ); + return i; + case GL_TRIANGLES: + ovf = nr%3; + for (i = 0 ; i < ovf ; i++) + _mesa_memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz * sizeof(GLfloat) ); + return i; + case GL_QUADS: + ovf = nr&3; + for (i = 0 ; i < ovf ; i++) + _mesa_memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz * sizeof(GLfloat) ); + return i; + case GL_LINE_STRIP: + if (nr == 0) + return 0; + else { + _mesa_memcpy( dst, src+(nr-1)*sz, sz * sizeof(GLfloat) ); + return 1; + } + case GL_LINE_LOOP: + case GL_TRIANGLE_FAN: + case GL_POLYGON: + if (nr == 0) + return 0; + else if (nr == 1) { + _mesa_memcpy( dst, src+0, sz * sizeof(GLfloat) ); + return 1; + } else { + _mesa_memcpy( dst, src+0, sz * sizeof(GLfloat) ); + _mesa_memcpy( dst+sz, src+(nr-1)*sz, sz * sizeof(GLfloat) ); + return 2; + } + case GL_TRIANGLE_STRIP: + case GL_QUAD_STRIP: + switch (nr) { + case 0: ovf = 0; break; + case 1: ovf = 1; break; + default: ovf = 2 + (nr&1); break; + } + for (i = 0 ; i < ovf ; i++) + _mesa_memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz * sizeof(GLfloat) ); + return i; + case GL_POLYGON+1: + return 0; + default: + assert(0); + return 0; + } +} + + +/** + * Execute the buffer and save copied verts. + */ +void _tnl_flush_vtx( GLcontext *ctx ) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + GLuint vertex_count = tnl->vtx.initial_counter - tnl->vtx.counter; + + if (0) + _tnl_print_vtx( ctx ); + + if (tnl->vtx.prim_count && vertex_count) { + + tnl->vtx.copied.nr = _tnl_copy_vertices( ctx ); + + if (tnl->vtx.copied.nr != vertex_count) { + if (ctx->NewState) + _mesa_update_state( ctx ); + + _tnl_vb_bind_vtx( ctx ); + + tnl->Driver.RunPipeline( ctx ); + } + } + + tnl->vtx.prim_count = 0; + tnl->vtx.counter = tnl->vtx.initial_counter; + tnl->vtx.vbptr = tnl->vtx.buffer; +} -- cgit v1.2.3