diff options
Diffstat (limited to 'nx-X11/extras/Mesa_6.4.2/src/mesa/tnl/t_array_import.c')
-rw-r--r-- | nx-X11/extras/Mesa_6.4.2/src/mesa/tnl/t_array_import.c | 352 |
1 files changed, 352 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa_6.4.2/src/mesa/tnl/t_array_import.c b/nx-X11/extras/Mesa_6.4.2/src/mesa/tnl/t_array_import.c new file mode 100644 index 000000000..7cc834ffa --- /dev/null +++ b/nx-X11/extras/Mesa_6.4.2/src/mesa/tnl/t_array_import.c @@ -0,0 +1,352 @@ +/* + * 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 <keith@tungstengraphics.com> + */ + +#include "glheader.h" +#include "context.h" +#include "macros.h" +#include "imports.h" +#include "state.h" +#include "mtypes.h" + +#include "array_cache/acache.h" +#include "math/m_translate.h" + +#include "t_array_import.h" +#include "t_context.h" + + +static void _tnl_import_vertex( GLcontext *ctx, + GLboolean writeable, + GLboolean stride ) +{ + struct gl_client_array *tmp; + GLboolean is_writeable = 0; + struct tnl_vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs; + const GLubyte *data; + + tmp = _ac_import_vertex(ctx, + GL_FLOAT, + stride ? 4*sizeof(GLfloat) : 0, + 0, + writeable, + &is_writeable); + + data = tmp->Ptr; + inputs->Obj.data = (GLfloat (*)[4]) data; + inputs->Obj.start = (GLfloat *) data; + inputs->Obj.stride = tmp->StrideB; + inputs->Obj.size = tmp->Size; +} + +static void _tnl_import_normal( GLcontext *ctx, + GLboolean writeable, + GLboolean stride ) +{ + struct gl_client_array *tmp; + GLboolean is_writeable = 0; + struct tnl_vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs; + const GLubyte *data; + + tmp = _ac_import_normal(ctx, GL_FLOAT, + stride ? 3*sizeof(GLfloat) : 0, writeable, + &is_writeable); + + data = tmp->Ptr; + inputs->Normal.data = (GLfloat (*)[4]) data; + inputs->Normal.start = (GLfloat *) data; + inputs->Normal.stride = tmp->StrideB; + inputs->Normal.size = 3; +} + + +static void _tnl_import_color( GLcontext *ctx, + GLboolean writeable, + GLboolean stride ) +{ + struct gl_client_array *tmp; + GLboolean is_writeable = 0; + struct tnl_vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs; + const GLubyte *data; + + tmp = _ac_import_color(ctx, + GL_FLOAT, + stride ? 4*sizeof(GLfloat) : 0, + 4, + writeable, + &is_writeable); + + data = tmp->Ptr; + inputs->Color.data = (GLfloat (*)[4]) data; + inputs->Color.start = (GLfloat *) data; + inputs->Color.stride = tmp->StrideB; + inputs->Color.size = tmp->Size; +} + + +static void _tnl_import_secondarycolor( GLcontext *ctx, + GLboolean writeable, + GLboolean stride ) +{ + struct gl_client_array *tmp; + GLboolean is_writeable = 0; + struct tnl_vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs; + const GLubyte *data; + + tmp = _ac_import_secondarycolor(ctx, + GL_FLOAT, + stride ? 4*sizeof(GLfloat) : 0, + 4, + writeable, + &is_writeable); + + data = tmp->Ptr; + inputs->SecondaryColor.data = (GLfloat (*)[4]) data; + inputs->SecondaryColor.start = (GLfloat *) data; + inputs->SecondaryColor.stride = tmp->StrideB; + inputs->SecondaryColor.size = tmp->Size; +} + +static void _tnl_import_fogcoord( GLcontext *ctx, + GLboolean writeable, + GLboolean stride ) +{ + struct tnl_vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs; + struct gl_client_array *tmp; + GLboolean is_writeable = 0; + const GLubyte *data; + + tmp = _ac_import_fogcoord(ctx, GL_FLOAT, + stride ? sizeof(GLfloat) : 0, writeable, + &is_writeable); + + data = tmp->Ptr; + inputs->FogCoord.data = (GLfloat (*)[4]) data; + inputs->FogCoord.start = (GLfloat *) data; + inputs->FogCoord.stride = tmp->StrideB; +} + +static void _tnl_import_index( GLcontext *ctx, + GLboolean writeable, + GLboolean stride ) +{ + struct tnl_vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs; + struct gl_client_array *tmp; + GLboolean is_writeable = 0; + const GLubyte *data; + + tmp = _ac_import_index(ctx, GL_FLOAT, + stride ? sizeof(GLfloat) : 0, writeable, + &is_writeable); + + data = tmp->Ptr; + inputs->Index.data = (GLfloat (*)[4]) data; + inputs->Index.start = (GLfloat *) data; + inputs->Index.stride = tmp->StrideB; +} + + +static void _tnl_import_texcoord( GLcontext *ctx, + GLuint unit, + GLboolean writeable, + GLboolean stride ) +{ + struct tnl_vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs; + struct gl_client_array *tmp; + GLboolean is_writeable = 0; + const GLubyte *data; + + tmp = _ac_import_texcoord(ctx, unit, GL_FLOAT, + stride ? 4 * sizeof(GLfloat) : 0, + 0, + writeable, + &is_writeable); + + data = tmp->Ptr; + inputs->TexCoord[unit].data = (GLfloat (*)[4]) data; + inputs->TexCoord[unit].start = (GLfloat *) data; + inputs->TexCoord[unit].stride = tmp->StrideB; + inputs->TexCoord[unit].size = tmp->Size; +} + + +static void _tnl_import_edgeflag( GLcontext *ctx, + GLboolean writeable, + GLboolean stride ) +{ + struct tnl_vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs; + struct gl_client_array *tmp; + GLboolean is_writeable = 0; + const GLubyte *data; + (void) writeable; (void) stride; + + tmp = _ac_import_edgeflag(ctx, GL_UNSIGNED_BYTE, + sizeof(GLubyte), + 0, + &is_writeable); + + data = tmp->Ptr; + inputs->EdgeFlag = (GLubyte *) data; +} + + + +static void _tnl_import_attrib( GLcontext *ctx, + GLuint index, + GLboolean writeable, + GLboolean stride ) +{ + struct tnl_vertex_arrays *inputs = &TNL_CONTEXT(ctx)->array_inputs; + struct gl_client_array *tmp; + GLboolean is_writeable = 0; + const GLubyte *data; + + tmp = _ac_import_attrib(ctx, index, GL_FLOAT, + stride ? 4 * sizeof(GLfloat) : 0, + 4, /* want GLfloat[4] */ + writeable, + &is_writeable); + + data = tmp->Ptr; + inputs->Attribs[index].data = (GLfloat (*)[4]) data; + inputs->Attribs[index].start = (GLfloat *) data; + inputs->Attribs[index].stride = tmp->StrideB; + inputs->Attribs[index].size = tmp->Size; +} + + +static void _tnl_constant_attrib( TNLcontext *tnl, + struct tnl_vertex_arrays *tmp, + GLuint i ) +{ + tmp->Attribs[i].count = 1; + tmp->Attribs[i].data = (GLfloat (*)[4]) tnl->vtx.current[i]; + tmp->Attribs[i].start = tnl->vtx.current[i]; + tmp->Attribs[i].size = 4; + tmp->Attribs[i].stride = 0; + tnl->vb.AttribPtr[i] = &tmp->Attribs[i]; +} + + + +void _tnl_vb_bind_arrays( GLcontext *ctx, GLint start, GLint end) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + struct vertex_buffer *VB = &tnl->vb; + struct tnl_vertex_arrays *tmp = &tnl->array_inputs; + GLuint i, index; + + VB->Count = end - start; + VB->Elts = NULL; + + _ac_import_range( ctx, start, end ); + + /* When vertex program mode is enabled, the generic vertex program + * attribute arrays have priority over the conventional attributes. + * Try to use them now. + */ + for (index = 0; index < VERT_ATTRIB_MAX; index++) { + /* When vertex program mode is enabled, the generic vertex attribute + * arrays have priority over the conventional vertex arrays. + */ + if (ctx->VertexProgram._Enabled + && ctx->Array.VertexAttrib[index].Enabled) { + /* Use generic attribute array */ + _tnl_import_attrib( ctx, index, GL_FALSE, GL_TRUE ); + VB->AttribPtr[index] = &tmp->Attribs[index]; + } + /* use conventional arrays... */ + else if (index == VERT_ATTRIB_POS) { + _tnl_import_vertex( ctx, 0, 0 ); + tmp->Obj.count = VB->Count; + VB->AttribPtr[_TNL_ATTRIB_POS] = &tmp->Obj; + } + else if (index == VERT_ATTRIB_NORMAL) { + _tnl_import_normal( ctx, 0, 0 ); + tmp->Normal.count = VB->Count; + VB->AttribPtr[_TNL_ATTRIB_NORMAL] = &tmp->Normal; + } + else if (index == VERT_ATTRIB_COLOR0) { + _tnl_import_color( ctx, 0, 0 ); + tmp->Color.count = VB->Count; + VB->AttribPtr[_TNL_ATTRIB_COLOR0] = &tmp->Color; + } + else if (index == VERT_ATTRIB_COLOR1) { + _tnl_import_secondarycolor( ctx, 0, 0 ); + tmp->SecondaryColor.count = VB->Count; + VB->AttribPtr[_TNL_ATTRIB_COLOR1] = &tmp->SecondaryColor; + } + else if (index == VERT_ATTRIB_FOG) { + _tnl_import_fogcoord( ctx, 0, 0 ); + tmp->FogCoord.count = VB->Count; + VB->AttribPtr[_TNL_ATTRIB_FOG] = &tmp->FogCoord; + } + else if (index >= VERT_ATTRIB_TEX0 && index <= VERT_ATTRIB_TEX7) { + i = index - VERT_ATTRIB_TEX0; + _tnl_import_texcoord( ctx, i, GL_FALSE, GL_FALSE ); + tmp->TexCoord[i].count = VB->Count; + VB->AttribPtr[_TNL_ATTRIB_TEX0 + i] = &tmp->TexCoord[i]; + } + else { + _tnl_constant_attrib(tnl, tmp, index); + } + } + + /* odd-ball vertex attributes */ + { + _tnl_import_index( ctx, 0, 0 ); + tmp->Index.count = VB->Count; + VB->AttribPtr[_TNL_ATTRIB_INDEX] = &tmp->Index; + } + + { + _tnl_import_edgeflag( ctx, GL_TRUE, sizeof(GLboolean) ); + VB->EdgeFlag = (GLboolean *) tmp->EdgeFlag; + } + + /* These are constant & could be precalculated: + */ + for (i = _TNL_ATTRIB_MAT_FRONT_AMBIENT; i < _TNL_ATTRIB_INDEX; i++) { + _tnl_constant_attrib(tnl, tmp, i); + } + + + /* 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]; + } +} |