diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/tnl/t_vertex.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/tnl/t_vertex.c | 509 |
1 files changed, 0 insertions, 509 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/tnl/t_vertex.c b/nx-X11/extras/Mesa/src/mesa/tnl/t_vertex.c deleted file mode 100644 index ca3aad140..000000000 --- a/nx-X11/extras/Mesa/src/mesa/tnl/t_vertex.c +++ /dev/null @@ -1,509 +0,0 @@ -/* - * Copyright 2003 Tungsten Graphics, inc. - * 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 - * on the rights to use, copy, modify, merge, publish, distribute, sub - * license, 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 (including the next - * paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL - * TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS 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@tungstengraphics.com> - */ - -#include "glheader.h" -#include "context.h" -#include "colormac.h" - -#include "t_context.h" -#include "t_vertex.h" - -#define DBG 0 - -/* Build and manage clipspace/ndc/window vertices. - */ - -static GLboolean match_fastpath( struct tnl_clipspace *vtx, - const struct tnl_clipspace_fastpath *fp) -{ - GLuint j; - - if (vtx->attr_count != fp->attr_count) - return GL_FALSE; - - for (j = 0; j < vtx->attr_count; j++) - if (vtx->attr[j].format != fp->attr[j].format || - vtx->attr[j].inputsize != fp->attr[j].size || - vtx->attr[j].vertoffset != fp->attr[j].offset) - return GL_FALSE; - - if (fp->match_strides) { - if (vtx->vertex_size != fp->vertex_size) - return GL_FALSE; - - for (j = 0; j < vtx->attr_count; j++) - if (vtx->attr[j].inputstride != fp->attr[j].stride) - return GL_FALSE; - } - - return GL_TRUE; -} - -static GLboolean search_fastpath_emit( struct tnl_clipspace *vtx ) -{ - struct tnl_clipspace_fastpath *fp = vtx->fastpath; - - for ( ; fp ; fp = fp->next) { - if (match_fastpath(vtx, fp)) { - vtx->emit = fp->func; - return GL_TRUE; - } - } - - return GL_FALSE; -} - -void _tnl_register_fastpath( struct tnl_clipspace *vtx, - GLboolean match_strides ) -{ - struct tnl_clipspace_fastpath *fastpath = CALLOC_STRUCT(tnl_clipspace_fastpath); - GLuint i; - - fastpath->vertex_size = vtx->vertex_size; - fastpath->attr_count = vtx->attr_count; - fastpath->match_strides = match_strides; - fastpath->func = vtx->emit; - fastpath->attr = MALLOC(vtx->attr_count * sizeof(fastpath->attr[0])); - - for (i = 0; i < vtx->attr_count; i++) { - fastpath->attr[i].format = vtx->attr[i].format; - fastpath->attr[i].stride = vtx->attr[i].inputstride; - fastpath->attr[i].size = vtx->attr[i].inputsize; - fastpath->attr[i].offset = vtx->attr[i].vertoffset; - } - - fastpath->next = vtx->fastpath; - vtx->fastpath = fastpath; -} - - - -/*********************************************************************** - * Build codegen functions or return generic ones: - */ -static void choose_emit_func( GLcontext *ctx, GLuint count, GLubyte *dest) -{ - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx); - struct tnl_clipspace_attr *a = vtx->attr; - const GLuint attr_count = vtx->attr_count; - GLuint j; - - for (j = 0; j < attr_count; j++) { - GLvector4f *vptr = VB->AttribPtr[a[j].attrib]; - a[j].inputstride = vptr->stride; - a[j].inputsize = vptr->size; - a[j].emit = a[j].insert[vptr->size - 1]; /* not always used */ - } - - vtx->emit = NULL; - - /* Does this match an existing (hardwired, codegen or known-bad) - * fastpath? - */ - if (search_fastpath_emit(vtx)) { - /* Use this result. If it is null, then it is already known - * that the current state will fail for codegen and there is no - * point trying again. - */ - } - else if (vtx->codegen_emit) { - vtx->codegen_emit(ctx); - } - - if (!vtx->emit) { - _tnl_generate_hardwired_emit(ctx); - } - - /* Otherwise use the generic version: - */ - if (!vtx->emit) - vtx->emit = _tnl_generic_emit; - - vtx->emit( ctx, count, dest ); -} - - - -static void choose_interp_func( GLcontext *ctx, - GLfloat t, - GLuint edst, GLuint eout, GLuint ein, - GLboolean force_boundary ) -{ - struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx); - - if (vtx->need_extras && - (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) { - vtx->interp = _tnl_generic_interp_extras; - } else { - vtx->interp = _tnl_generic_interp; - } - - vtx->interp( ctx, t, edst, eout, ein, force_boundary ); -} - - -static void choose_copy_pv_func( GLcontext *ctx, GLuint edst, GLuint esrc ) -{ - struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx); - - if (vtx->need_extras && - (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) { - vtx->copy_pv = _tnl_generic_copy_pv_extras; - } else { - vtx->copy_pv = _tnl_generic_copy_pv; - } - - vtx->copy_pv( ctx, edst, esrc ); -} - - -/*********************************************************************** - * Public entrypoints, mostly dispatch to the above: - */ - - -/* Interpolate between two vertices to produce a third: - */ -void _tnl_interp( GLcontext *ctx, - GLfloat t, - GLuint edst, GLuint eout, GLuint ein, - GLboolean force_boundary ) -{ - struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx); - vtx->interp( ctx, t, edst, eout, ein, force_boundary ); -} - -/* Copy colors from one vertex to another: - */ -void _tnl_copy_pv( GLcontext *ctx, GLuint edst, GLuint esrc ) -{ - struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx); - vtx->copy_pv( ctx, edst, esrc ); -} - - -/* Extract a named attribute from a hardware vertex. Will have to - * reverse any viewport transformation, swizzling or other conversions - * which may have been applied: - */ -void _tnl_get_attr( GLcontext *ctx, const void *vin, - GLenum attr, GLfloat *dest ) -{ - struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx); - const struct tnl_clipspace_attr *a = vtx->attr; - const GLuint attr_count = vtx->attr_count; - GLuint j; - - for (j = 0; j < attr_count; j++) { - if (a[j].attrib == attr) { - a[j].extract( &a[j], dest, (GLubyte *)vin + a[j].vertoffset ); - return; - } - } - - /* Else return the value from ctx->Current. - */ - _mesa_memcpy( dest, ctx->Current.Attrib[attr], 4*sizeof(GLfloat)); -} - - -/* Complementary operation to the above. - */ -void _tnl_set_attr( GLcontext *ctx, void *vout, - GLenum attr, const GLfloat *src ) -{ - struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx); - const struct tnl_clipspace_attr *a = vtx->attr; - const GLuint attr_count = vtx->attr_count; - GLuint j; - - for (j = 0; j < attr_count; j++) { - if (a[j].attrib == attr) { - a[j].insert[4-1]( &a[j], (GLubyte *)vout + a[j].vertoffset, src ); - return; - } - } -} - - -void *_tnl_get_vertex( GLcontext *ctx, GLuint nr ) -{ - struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx); - - return vtx->vertex_buf + nr * vtx->vertex_size; -} - -void _tnl_invalidate_vertex_state( GLcontext *ctx, GLuint new_state ) -{ - if (new_state & (_DD_NEW_TRI_LIGHT_TWOSIDE|_DD_NEW_TRI_UNFILLED) ) { - struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx); - vtx->new_inputs = ~0; - vtx->interp = choose_interp_func; - vtx->copy_pv = choose_copy_pv_func; - } -} - -static void invalidate_funcs( struct tnl_clipspace *vtx ) -{ - vtx->emit = choose_emit_func; - vtx->interp = choose_interp_func; - vtx->copy_pv = choose_copy_pv_func; - vtx->new_inputs = ~0; -} - -GLuint _tnl_install_attrs( GLcontext *ctx, const struct tnl_attr_map *map, - GLuint nr, const GLfloat *vp, - GLuint unpacked_size ) -{ - struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx); - GLuint offset = 0; - GLuint i, j; - - assert(nr < _TNL_ATTRIB_MAX); - assert(nr == 0 || map[0].attrib == VERT_ATTRIB_POS); - - vtx->new_inputs = ~0; - vtx->need_viewport = GL_FALSE; - - if (vp) { - vtx->need_viewport = GL_TRUE; - } - - for (j = 0, i = 0; i < nr; i++) { - const GLuint format = map[i].format; - if (format == EMIT_PAD) { - if (DBG) - _mesa_printf("%d: pad %d, offset %d\n", i, - map[i].offset, offset); - - offset += map[i].offset; - - } - else { - GLuint tmpoffset; - - if (unpacked_size) - tmpoffset = map[i].offset; - else - tmpoffset = offset; - - if (vtx->attr_count != j || - vtx->attr[j].attrib != map[i].attrib || - vtx->attr[j].format != format || - vtx->attr[j].vertoffset != tmpoffset) { - invalidate_funcs(vtx); - - vtx->attr[j].attrib = map[i].attrib; - vtx->attr[j].format = format; - vtx->attr[j].vp = vp; - vtx->attr[j].insert = _tnl_format_info[format].insert; - vtx->attr[j].extract = _tnl_format_info[format].extract; - vtx->attr[j].vertattrsize = _tnl_format_info[format].attrsize; - vtx->attr[j].vertoffset = tmpoffset; - } - - - if (DBG) - _mesa_printf("%d: %s, vp %p, offset %d\n", i, - _tnl_format_info[format].name, (void *)vp, - vtx->attr[j].vertoffset); - - offset += _tnl_format_info[format].attrsize; - j++; - } - } - - vtx->attr_count = j; - - if (unpacked_size) - vtx->vertex_size = unpacked_size; - else - vtx->vertex_size = offset; - - assert(vtx->vertex_size <= vtx->max_vertex_size); - return vtx->vertex_size; -} - - - -void _tnl_invalidate_vertices( GLcontext *ctx, GLuint newinputs ) -{ - struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx); - vtx->new_inputs |= newinputs; -} - - -/* This event has broader use beyond this file - will move elsewhere - * and probably invoke a driver callback. - */ -void _tnl_notify_pipeline_output_change( GLcontext *ctx ) -{ - struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx); - invalidate_funcs(vtx); -} - -static void update_input_ptrs( GLcontext *ctx, GLuint start ) -{ - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx); - struct tnl_clipspace_attr *a = vtx->attr; - const GLuint count = vtx->attr_count; - GLuint j; - - for (j = 0; j < count; j++) { - GLvector4f *vptr = VB->AttribPtr[a[j].attrib]; - - if (vtx->emit != choose_emit_func) { - assert(a[j].inputstride == vptr->stride); - assert(a[j].inputsize == vptr->size); - } - - a[j].inputptr = ((GLubyte *)vptr->data) + start * vptr->stride; - } - - if (a->vp) { - vtx->vp_scale[0] = a->vp[MAT_SX]; - vtx->vp_scale[1] = a->vp[MAT_SY]; - vtx->vp_scale[2] = a->vp[MAT_SZ]; - vtx->vp_scale[3] = 1.0; - vtx->vp_xlate[0] = a->vp[MAT_TX]; - vtx->vp_xlate[1] = a->vp[MAT_TY]; - vtx->vp_xlate[2] = a->vp[MAT_TZ]; - vtx->vp_xlate[3] = 0.0; - } -} - - -void _tnl_build_vertices( GLcontext *ctx, - GLuint start, - GLuint end, - GLuint newinputs ) -{ - struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx); - update_input_ptrs( ctx, start ); - vtx->emit( ctx, end - start, - (GLubyte *)(vtx->vertex_buf + - start * vtx->vertex_size)); -} - -/* Emit VB vertices start..end to dest. Note that VB vertex at - * postion start will be emitted to dest at position zero. - */ -void *_tnl_emit_vertices_to_buffer( GLcontext *ctx, - GLuint start, - GLuint end, - void *dest ) -{ - struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx); - - update_input_ptrs(ctx, start); - - /* Note: dest should not be adjusted for non-zero 'start' values: - */ - vtx->emit( ctx, end - start, dest ); - return (void *)((GLubyte *)dest + vtx->vertex_size * (end - start)); -} - - -void _tnl_init_vertices( GLcontext *ctx, - GLuint vb_size, - GLuint max_vertex_size ) -{ - struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx); - - _tnl_install_attrs( ctx, NULL, 0, NULL, 0 ); - - vtx->need_extras = GL_TRUE; - if (max_vertex_size > vtx->max_vertex_size) { - _tnl_free_vertices( ctx ); - vtx->max_vertex_size = max_vertex_size; - vtx->vertex_buf = (GLubyte *)ALIGN_CALLOC(vb_size * max_vertex_size, 32 ); - invalidate_funcs(vtx); - } - - switch(CHAN_TYPE) { - case GL_UNSIGNED_BYTE: - vtx->chan_scale[0] = 255.0; - vtx->chan_scale[1] = 255.0; - vtx->chan_scale[2] = 255.0; - vtx->chan_scale[3] = 255.0; - break; - case GL_UNSIGNED_SHORT: - vtx->chan_scale[0] = 65535.0; - vtx->chan_scale[1] = 65535.0; - vtx->chan_scale[2] = 65535.0; - vtx->chan_scale[3] = 65535.0; - break; - default: - vtx->chan_scale[0] = 1.0; - vtx->chan_scale[1] = 1.0; - vtx->chan_scale[2] = 1.0; - vtx->chan_scale[3] = 1.0; - break; - } - - vtx->identity[0] = 0.0; - vtx->identity[1] = 0.0; - vtx->identity[2] = 0.0; - vtx->identity[3] = 1.0; - - vtx->codegen_emit = NULL; - -#ifdef USE_SSE_ASM - if (!_mesa_getenv("MESA_NO_CODEGEN")) - vtx->codegen_emit = _tnl_generate_sse_emit; -#endif -} - - -void _tnl_free_vertices( GLcontext *ctx ) -{ - struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx); - struct tnl_clipspace_fastpath *fp, *tmp; - - if (vtx->vertex_buf) { - ALIGN_FREE(vtx->vertex_buf); - vtx->vertex_buf = NULL; - } - - for (fp = vtx->fastpath ; fp ; fp = tmp) { - tmp = fp->next; - FREE(fp->attr); - - /* KW: At the moment, fp->func is constrained to be allocated by - * _mesa_exec_alloc(), as the hardwired fastpaths in - * t_vertex_generic.c are handled specially. It would be nice - * to unify them, but this probably won't change until this - * module gets another overhaul. - */ - _mesa_exec_free((void *) fp->func); - FREE(fp); - } - - vtx->fastpath = NULL; -} |