diff options
Diffstat (limited to 'src/mesa/tnl/t_vertex_c.c')
-rw-r--r-- | src/mesa/tnl/t_vertex_c.c | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/src/mesa/tnl/t_vertex_c.c b/src/mesa/tnl/t_vertex_c.c deleted file mode 100644 index d7e1a0375f..0000000000 --- a/src/mesa/tnl/t_vertex_c.c +++ /dev/null @@ -1,267 +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" - -#include "simple_list.h" - -#ifdef WIN32 -#define vsnprintf _vsnprintf -#endif - -/* A version of code generation for t_clipspace_codegen.c which prints - * out 'c' code to implement the generated function. A useful - * debugging tool, and in concert with something like tcc or a - * library-ized gcc, could do the whole job. - */ - - -static GLboolean emit( struct tnl_clipspace_codegen *p, - const char *fmt, - ... ) -{ - if (p->buf_used < p->buf_size) { - va_list ap; - va_start( ap, fmt ); - p->buf_used += vsnprintf( p->buf + p->buf_used, - p->buf_size - p->buf_used, - fmt, ap ); - va_end( ap ); - } - - return p->buf_used < p->buf_size; -} - - -static GLboolean print_header( struct tnl_clipspace_codegen *p, - struct tnl_clipspace *vtx ) -{ - p->buf_used = 0; - p->out_offset = 0; - - return - emit(p, - "struct tnl_clipspace_attr\n" - "{\n" - " unsigned int attrib; \n" - " unsigned int format;\n" - " unsigned int vertoffset; \n" - " unsigned int vertattrsize; \n" - " char *inputptr;\n" - " unsigned int inputstride;\n" - " void *insert;\n" - " void *emit;\n" - " void * extract;\n" - " const float *vp; \n" - "};\n" - "\n" - ) && - emit(p, - "void emit_vertices( int start, int end, char *dest, \n" - " struct tnl_clipspace_attr *a) \n" - "{\n" - " int i;" - " for (i = start ; i < end ; i++, dest += %d) {\n", - vtx->vertex_size); - -} - -static GLboolean print_footer( struct tnl_clipspace_codegen *p ) -{ - return - emit(p, - " }\n" - "}\n" - ); -} - -static GLboolean emit_reg( struct tnl_clipspace_codegen *p, GLint reg ) -{ - int idx = reg & REG_OFFSET_MASK; - - switch (reg & REG_MASK) { - case REG_IN: return emit(p, "in[%d]", idx); - case REG_VP: return emit(p, "vp[%d]", idx); - case REG_TMP: return emit(p, "temp[%d]", idx); /* not used? */ - case REG_OUT: return emit(p, "out[%d]", idx); - } - - return GL_FALSE; -} - -static GLboolean print_mov( struct tnl_clipspace_codegen *p, GLint dest, GLint src ) -{ - return - emit(p, " ") && - emit_reg(p, dest) && - emit(p, " = ") && - emit_reg(p, src) && - emit(p, ";\n"); -} - - -static GLboolean print_const( struct tnl_clipspace_codegen *p, - GLint dest, GLfloat c ) -{ - return - emit(p, " ") && - emit_reg(p, dest) && - emit(p, " = %g;\n", c); -} - -static GLboolean print_const_chan( struct tnl_clipspace_codegen *p, - GLint dest, GLchan c ) -{ - return - emit(p, " ") && - emit_reg(p, dest) && - emit(p, " = ") && -#if CHAN_TYPE == GL_FLOAT - emit(p, "%f", c) && -#else - emit(p, "%d", c) && -#endif - emit(p, ";\n"); -} - -static GLboolean print_const_ubyte( struct tnl_clipspace_codegen *p, - GLint dest, GLubyte c ) -{ - return - emit(p, " ") && - emit_reg(p, dest) && - emit(p, " = %x;\n", c); -} - -static GLboolean print_mad( struct tnl_clipspace_codegen *p, - GLint dest, GLint src0, GLint src1, GLint src2 ) -{ - return - emit(p, " ") && - emit_reg(p, dest) && - emit(p, " = ") && - emit_reg(p, src0) && - emit(p, " * ") && - emit_reg(p, src1) && - emit(p, " + ") && - emit_reg(p, src2) && - emit(p, ";\n"); -} - -static GLboolean print_float_to_ubyte( struct tnl_clipspace_codegen *p, - GLint dest, GLint src ) -{ - return - emit(p, " ") && - emit(p, "UNCLAMPED_FLOAT_TO_UBYTE(") && - emit_reg(p, dest) && - emit(p, ", ") && - emit_reg(p, src) && - emit(p, ");\n"); -} - -static GLboolean print_float_to_chan( struct tnl_clipspace_codegen *p, - GLint dest, GLint src ) -{ - return - emit(p, " ") && - emit(p, "UNCLAMPED_FLOAT_TO_CHAN(") && - emit_reg(p, dest) && - emit(p, ", ") && - emit_reg(p, src) && - emit(p, ");\n"); -} - - -static GLboolean print_attr_header( struct tnl_clipspace_codegen *p, - struct tnl_clipspace_attr *a, - GLint j, - GLenum out_type, - GLboolean need_vp) -{ - char *out_type_str = "void"; - - switch(out_type) { - case GL_FLOAT: out_type_str = "float"; break; - case GL_UNSIGNED_BYTE: out_type_str = "unsigned char"; break; - case GL_UNSIGNED_SHORT: out_type_str = "unsigned short"; break; - } - - return - emit(p, " {\n") && - (need_vp ? emit(p, " const float *vp = a[%d].vp;\n", j) : 1) && - emit(p, " %s *out = (%s *)(dest + %d);\n", - out_type_str, out_type_str, a[j].vertoffset) && - emit(p, " const float *in = (const float *)a[%d].inputptr;\n", - j) && - emit(p, " a[%d].inputptr += a[%d].inputstride;\n", j, j); -} - -static GLboolean print_attr_footer( struct tnl_clipspace_codegen *p ) -{ - return emit(p, " }\n"); -} - -static tnl_emit_func print_store_func( struct tnl_clipspace_codegen *p ) -{ - fprintf(stderr, "print_store_func: emitted:\n%s\n", p->buf); - return NULL; -} - -void _tnl_init_c_codegen( struct tnl_clipspace_codegen *p ) -{ - p->emit_header = print_header; - p->emit_footer = print_footer; - p->emit_attr_header = print_attr_header; - p->emit_attr_footer = print_attr_footer; - p->emit_mov = print_mov; - p->emit_const = print_const; - p->emit_mad = print_mad; - p->emit_float_to_chan = print_float_to_chan; - p->emit_const_chan = print_const_chan; - p->emit_float_to_ubyte = print_float_to_ubyte; - p->emit_const_ubyte = print_const_ubyte; - p->emit_store_func = print_store_func; - - make_empty_list(&p->codegen_list); - - p->buf_size = 2048; - p->buf = (char *) MALLOC(p->buf_size); -} - -void _tnl_free_c_codegen( struct tnl_clipspace_codegen *p ) -{ - if (p->buf) { - FREE(p->buf); - p->buf = NULL; - } -} |