diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/tnl/t_save_playback.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/tnl/t_save_playback.c | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/tnl/t_save_playback.c b/nx-X11/extras/Mesa/src/mesa/tnl/t_save_playback.c new file mode 100644 index 000000000..995964c96 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/tnl/t_save_playback.c @@ -0,0 +1,215 @@ +/* + * 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. + */ + +/* Author: + * Keith Whitwell <keith@tungstengraphics.com> + */ + +#include "glheader.h" +#include "context.h" +#include "imports.h" +#include "mtypes.h" +#include "macros.h" +#include "light.h" +#include "state.h" +#include "t_pipeline.h" +#include "t_save_api.h" +#include "t_vtx_api.h" + +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->ColorPtr, etc and just use the AttrPtr's. + */ +static void _tnl_bind_vertex_list( GLcontext *ctx, + const struct tnl_vertex_list *node ) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + struct vertex_buffer *VB = &tnl->vb; + struct tnl_vertex_arrays *tmp = &tnl->save_inputs; + GLfloat *data = node->buffer; + GLuint attr, i; + + /* Setup constant data in the VB. + */ + VB->Count = node->count; + VB->Primitive = node->prim; + VB->PrimitiveCount = node->prim_count; + VB->Elts = NULL; + VB->NormalLengthPtr = node->normal_lengths; + + for (attr = 0; attr <= _TNL_ATTRIB_INDEX; attr++) { + if (node->attrsz[attr]) { + tmp->Attribs[attr].count = node->count; + tmp->Attribs[attr].data = (GLfloat (*)[4]) data; + tmp->Attribs[attr].start = data; + tmp->Attribs[attr].size = node->attrsz[attr]; + tmp->Attribs[attr].stride = node->vertex_size * sizeof(GLfloat); + VB->AttribPtr[attr] = &tmp->Attribs[attr]; + data += node->attrsz[attr]; + } + else { + 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 edgeflag to a contiguous array + */ + if (ctx->Polygon.FrontMode != GL_FILL || ctx->Polygon.BackMode != GL_FILL) { + if (node->attrsz[_TNL_ATTRIB_EDGEFLAG]) { + VB->EdgeFlag = _tnl_translate_edgeflag( ctx, data, + node->count, + node->vertex_size ); + data++; + } + else + VB->EdgeFlag = _tnl_import_current_edgeflag( ctx, node->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]; + } +} + +static void _playback_copy_to_current( GLcontext *ctx, + const struct tnl_vertex_list *node ) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + const GLfloat *data; + GLuint i; + + if (node->count) + data = node->buffer + (node->count-1) * node->vertex_size; + else + data = node->buffer; + + for (i = _TNL_ATTRIB_POS+1 ; i <= _TNL_ATTRIB_INDEX ; i++) { + if (node->attrsz[i]) { + COPY_CLEAN_4V(tnl->vtx.current[i], node->attrsz[i], data); + data += node->attrsz[i]; + } + } + + /* Edgeflag requires special treatment: + */ + if (node->attrsz[_TNL_ATTRIB_EDGEFLAG]) { + ctx->Current.EdgeFlag = (data[0] == 1.0); + } + + /* Colormaterial -- this kindof sucks. + */ + if (ctx->Light.ColorMaterialEnabled) { + _mesa_update_color_material(ctx, ctx->Current.Attrib[VERT_ATTRIB_COLOR0]); + } + + if (node->have_materials) { + tnl->Driver.NotifyMaterialChange( ctx ); + } + + /* CurrentExecPrimitive + */ + if (node->prim_count) { + GLenum mode = node->prim[node->prim_count - 1].mode; + if (mode & PRIM_END) + ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END; + else + ctx->Driver.CurrentExecPrimitive = (mode & PRIM_MODE_MASK); + } +} + + +/** + * Execute the buffer and save copied verts. + */ +void _tnl_playback_vertex_list( GLcontext *ctx, void *data ) +{ + const struct tnl_vertex_list *node = (const struct tnl_vertex_list *) data; + TNLcontext *tnl = TNL_CONTEXT(ctx); + + FLUSH_CURRENT(ctx, 0); + + if (node->prim_count > 0 && node->count > 0) { + + if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END && + (node->prim[0].mode & PRIM_BEGIN)) { + + /* Degenerate case: list is called inside begin/end pair and + * includes operations such as glBegin or glDrawArrays. + */ + _mesa_error( ctx, GL_INVALID_OPERATION, "displaylist recursive begin"); + _tnl_loopback_vertex_list( ctx, node ); + return; + } + else if (tnl->save.replay_flags) { + /* Various degnerate cases: translate into immediate mode + * calls rather than trying to execute in place. + */ + _tnl_loopback_vertex_list( ctx, node ); + return; + } + + if (ctx->NewState) + _mesa_update_state( ctx ); + + if ((ctx->VertexProgram.Enabled && !ctx->VertexProgram._Enabled) || + (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled)) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glBegin (invalid vertex/fragment program)"); + return; + } + + _tnl_bind_vertex_list( ctx, node ); + + tnl->Driver.RunPipeline( ctx ); + } + + /* Copy to current? + */ + _playback_copy_to_current( ctx, node ); +} |