mesa/vf: Remove.

Unused.  Probably replaced by translate module.
This commit is contained in:
José Fonseca 2011-04-23 11:49:41 +01:00
parent de29ee0e6d
commit abda64efce
5 changed files with 0 additions and 2257 deletions

View file

@ -161,12 +161,6 @@ vbo_sources = [
'vbo/vbo_save_loopback.c',
]
vf_sources = [
'vf/vf.c',
'vf/vf_generic.c',
'vf/vf_sse.c',
]
statetracker_sources = [
'state_tracker/st_atom.c',
'state_tracker/st_atom_blend.c',
@ -256,7 +250,6 @@ mesa_sources = (
math_sources +
program_sources +
vbo_sources +
vf_sources +
statetracker_sources
)

View file

@ -1,372 +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 "main/glheader.h"
#include "main/context.h"
#include "main/colormac.h"
#include "vf.h"
#define DBG 0
static GLboolean match_fastpath( struct vertex_fetch *vf,
const struct vf_fastpath *fp)
{
GLuint j;
if (vf->attr_count != fp->attr_count)
return GL_FALSE;
for (j = 0; j < vf->attr_count; j++)
if (vf->attr[j].format != fp->attr[j].format ||
vf->attr[j].inputsize != fp->attr[j].size ||
vf->attr[j].vertoffset != fp->attr[j].offset)
return GL_FALSE;
if (fp->match_strides) {
if (vf->vertex_stride != fp->vertex_stride)
return GL_FALSE;
for (j = 0; j < vf->attr_count; j++)
if (vf->attr[j].inputstride != fp->attr[j].stride)
return GL_FALSE;
}
return GL_TRUE;
}
static GLboolean search_fastpath_emit( struct vertex_fetch *vf )
{
struct vf_fastpath *fp = vf->fastpath;
for ( ; fp ; fp = fp->next) {
if (match_fastpath(vf, fp)) {
vf->emit = fp->func;
return GL_TRUE;
}
}
return GL_FALSE;
}
void vf_register_fastpath( struct vertex_fetch *vf,
GLboolean match_strides )
{
struct vf_fastpath *fastpath = CALLOC_STRUCT(vf_fastpath);
GLuint i;
fastpath->vertex_stride = vf->vertex_stride;
fastpath->attr_count = vf->attr_count;
fastpath->match_strides = match_strides;
fastpath->func = vf->emit;
fastpath->attr = (struct vf_attr_type *)
malloc(vf->attr_count * sizeof(fastpath->attr[0]));
for (i = 0; i < vf->attr_count; i++) {
fastpath->attr[i].format = vf->attr[i].format;
fastpath->attr[i].stride = vf->attr[i].inputstride;
fastpath->attr[i].size = vf->attr[i].inputsize;
fastpath->attr[i].offset = vf->attr[i].vertoffset;
}
fastpath->next = vf->fastpath;
vf->fastpath = fastpath;
}
/***********************************************************************
* Build codegen functions or return generic ones:
*/
static void choose_emit_func( struct vertex_fetch *vf,
GLuint count,
GLubyte *dest)
{
vf->emit = NULL;
/* Does this match an existing (hardwired, codegen or known-bad)
* fastpath?
*/
if (search_fastpath_emit(vf)) {
/* 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 (vf->codegen_emit) {
vf->codegen_emit( vf );
}
if (!vf->emit) {
vf_generate_hardwired_emit(vf);
}
/* Otherwise use the generic version:
*/
if (!vf->emit)
vf->emit = vf_generic_emit;
vf->emit( vf, count, dest );
}
/***********************************************************************
* Public entrypoints, mostly dispatch to the above:
*/
GLuint vf_set_vertex_attributes( struct vertex_fetch *vf,
const struct vf_attr_map *map,
GLuint nr,
GLuint vertex_stride )
{
GLuint offset = 0;
GLuint i, j;
assert(nr < VF_ATTRIB_MAX);
memset(vf->lookup, 0, sizeof(vf->lookup));
for (j = 0, i = 0; i < nr; i++) {
const GLuint format = map[i].format;
if (format == EMIT_PAD) {
if (DBG)
printf("%d: pad %d, offset %d\n", i,
map[i].offset, offset);
offset += map[i].offset;
}
else {
assert(vf->lookup[map[i].attrib] == 0);
vf->lookup[map[i].attrib] = &vf->attr[j];
vf->attr[j].attrib = map[i].attrib;
vf->attr[j].format = format;
vf->attr[j].insert = vf_format_info[format].insert;
vf->attr[j].extract = vf_format_info[format].extract;
vf->attr[j].vertattrsize = vf_format_info[format].attrsize;
vf->attr[j].vertoffset = offset;
if (DBG)
printf("%d: %s, offset %d\n", i,
vf_format_info[format].name,
vf->attr[j].vertoffset);
offset += vf_format_info[format].attrsize;
j++;
}
}
vf->attr_count = j;
vf->vertex_stride = vertex_stride ? vertex_stride : offset;
vf->emit = choose_emit_func;
assert(vf->vertex_stride >= offset);
return vf->vertex_stride;
}
void vf_set_vp_matrix( struct vertex_fetch *vf,
const GLfloat *viewport )
{
assert(vf->allow_viewport_emits);
/* scale */
vf->vp[0] = viewport[MAT_SX];
vf->vp[1] = viewport[MAT_SY];
vf->vp[2] = viewport[MAT_SZ];
vf->vp[3] = 1.0;
/* translate */
vf->vp[4] = viewport[MAT_TX];
vf->vp[5] = viewport[MAT_TY];
vf->vp[6] = viewport[MAT_TZ];
vf->vp[7] = 0.0;
}
void vf_set_vp_scale_translate( struct vertex_fetch *vf,
const GLfloat *scale,
const GLfloat *translate )
{
assert(vf->allow_viewport_emits);
vf->vp[0] = scale[0];
vf->vp[1] = scale[1];
vf->vp[2] = scale[2];
vf->vp[3] = scale[3];
vf->vp[4] = translate[0];
vf->vp[5] = translate[1];
vf->vp[6] = translate[2];
vf->vp[7] = translate[3];
}
/* Set attribute pointers, adjusted for start position:
*/
void vf_set_sources( struct vertex_fetch *vf,
GLvector4f * const sources[],
GLuint start )
{
struct vf_attr *a = vf->attr;
GLuint j;
for (j = 0; j < vf->attr_count; j++) {
const GLvector4f *vptr = sources[a[j].attrib];
if ((a[j].inputstride != vptr->stride) ||
(a[j].inputsize != vptr->size))
vf->emit = choose_emit_func;
a[j].inputstride = vptr->stride;
a[j].inputsize = vptr->size;
a[j].do_insert = a[j].insert[vptr->size - 1];
a[j].inputptr = ((GLubyte *)vptr->data) + start * vptr->stride;
}
}
/* Emit count VB vertices to dest.
*/
void vf_emit_vertices( struct vertex_fetch *vf,
GLuint count,
void *dest )
{
vf->emit( vf, count, (GLubyte*) dest );
}
/* Extract a named attribute from a hardware vertex. Will have to
* reverse any viewport transformation, swizzling or other conversions
* which may have been applied.
*
* This is mainly required for on-the-fly vertex translations to
* swrast format.
*/
void vf_get_attr( struct vertex_fetch *vf,
const void *vertex,
GLenum attr,
const GLfloat *dflt,
GLfloat *dest )
{
const struct vf_attr *a = vf->attr;
const GLuint attr_count = vf->attr_count;
GLuint j;
for (j = 0; j < attr_count; j++) {
if (a[j].attrib == attr) {
a[j].extract( &a[j], dest, (GLubyte *)vertex + a[j].vertoffset );
return;
}
}
/* Else return the value from ctx->Current.
*/
memcpy( dest, dflt, 4*sizeof(GLfloat));
}
struct vertex_fetch *vf_create( GLboolean allow_viewport_emits )
{
struct vertex_fetch *vf = CALLOC_STRUCT(vertex_fetch);
GLuint i;
for (i = 0; i < VF_ATTRIB_MAX; i++)
vf->attr[i].vf = vf;
vf->allow_viewport_emits = allow_viewport_emits;
switch(CHAN_TYPE) {
case GL_UNSIGNED_BYTE:
vf->chan_scale[0] = 255.0;
vf->chan_scale[1] = 255.0;
vf->chan_scale[2] = 255.0;
vf->chan_scale[3] = 255.0;
break;
case GL_UNSIGNED_SHORT:
vf->chan_scale[0] = 65535.0;
vf->chan_scale[1] = 65535.0;
vf->chan_scale[2] = 65535.0;
vf->chan_scale[3] = 65535.0;
break;
default:
vf->chan_scale[0] = 1.0;
vf->chan_scale[1] = 1.0;
vf->chan_scale[2] = 1.0;
vf->chan_scale[3] = 1.0;
break;
}
vf->identity[0] = 0.0;
vf->identity[1] = 0.0;
vf->identity[2] = 0.0;
vf->identity[3] = 1.0;
vf->codegen_emit = NULL;
#ifdef USE_SSE_ASM
if (!_mesa_getenv("MESA_NO_CODEGEN"))
vf->codegen_emit = vf_generate_sse_emit;
#endif
return vf;
}
void vf_destroy( struct vertex_fetch *vf )
{
struct vf_fastpath *fp, *tmp;
for (fp = vf->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);
}
vf->fastpath = NULL;
FREE(vf);
}

View file

@ -1,234 +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>
*/
#ifndef VF_VERTEX_H
#define VF_VERTEX_H
#include "main/glheader.h"
#include "math/m_vector.h"
enum {
VF_ATTRIB_POS = 0,
VF_ATTRIB_WEIGHT = 1,
VF_ATTRIB_NORMAL = 2,
VF_ATTRIB_COLOR0 = 3,
VF_ATTRIB_COLOR1 = 4,
VF_ATTRIB_FOG = 5,
VF_ATTRIB_COLOR_INDEX = 6,
VF_ATTRIB_EDGEFLAG = 7,
VF_ATTRIB_TEX0 = 8,
VF_ATTRIB_TEX1 = 9,
VF_ATTRIB_TEX2 = 10,
VF_ATTRIB_TEX3 = 11,
VF_ATTRIB_TEX4 = 12,
VF_ATTRIB_TEX5 = 13,
VF_ATTRIB_TEX6 = 14,
VF_ATTRIB_TEX7 = 15,
VF_ATTRIB_VAR0 = 16,
VF_ATTRIB_VAR1 = 17,
VF_ATTRIB_VAR2 = 18,
VF_ATTRIB_VAR3 = 19,
VF_ATTRIB_VAR4 = 20,
VF_ATTRIB_VAR5 = 21,
VF_ATTRIB_VAR6 = 22,
VF_ATTRIB_VAR7 = 23,
VF_ATTRIB_POINTSIZE = 24,
VF_ATTRIB_BFC0 = 25,
VF_ATTRIB_BFC1 = 26,
VF_ATTRIB_CLIP_POS = 27,
VF_ATTRIB_VERTEX_HEADER = 28,
VF_ATTRIB_MAX = 29
};
enum vf_attr_format {
EMIT_1F,
EMIT_2F,
EMIT_3F,
EMIT_4F,
EMIT_2F_VIEWPORT, /* do viewport transform and emit */
EMIT_3F_VIEWPORT, /* do viewport transform and emit */
EMIT_4F_VIEWPORT, /* do viewport transform and emit */
EMIT_3F_XYW, /* for projective texture */
EMIT_1UB_1F, /* for fog coordinate */
EMIT_3UB_3F_RGB, /* for specular color */
EMIT_3UB_3F_BGR, /* for specular color */
EMIT_4UB_4F_RGBA, /* for color */
EMIT_4UB_4F_BGRA, /* for color */
EMIT_4UB_4F_ARGB, /* for color */
EMIT_4UB_4F_ABGR, /* for color */
EMIT_4CHAN_4F_RGBA, /* for swrast color */
EMIT_PAD, /* leave a hole of 'offset' bytes */
EMIT_MAX
};
struct vf_attr_map {
GLuint attrib;
enum vf_attr_format format;
GLuint offset;
};
struct vertex_fetch;
void vf_set_vp_matrix( struct vertex_fetch *vf,
const GLfloat *viewport );
void vf_set_vp_scale_translate( struct vertex_fetch *vf,
const GLfloat *scale,
const GLfloat *translate );
GLuint vf_set_vertex_attributes( struct vertex_fetch *vf,
const struct vf_attr_map *map,
GLuint nr,
GLuint vertex_stride );
void vf_set_sources( struct vertex_fetch *vf,
GLvector4f * const attrib[],
GLuint start );
void vf_emit_vertices( struct vertex_fetch *vf,
GLuint count,
void *dest );
void vf_get_attr( struct vertex_fetch *vf,
const void *vertex,
GLenum attr,
const GLfloat *dflt,
GLfloat *dest );
struct vertex_fetch *vf_create( GLboolean allow_viewport_emits );
void vf_destroy( struct vertex_fetch *vf );
/***********************************************************************
* Internal functions and structs:
*/
struct vf_attr;
typedef void (*vf_extract_func)( const struct vf_attr *a,
GLfloat *out,
const GLubyte *v );
typedef void (*vf_insert_func)( const struct vf_attr *a,
GLubyte *v,
const GLfloat *in );
typedef void (*vf_emit_func)( struct vertex_fetch *vf,
GLuint count,
GLubyte *dest );
/* Describes how to convert/move a vertex attribute from a vertex
* array to a vertex structure.
*/
struct vf_attr
{
struct vertex_fetch *vf;
GLuint format;
GLuint inputsize;
GLuint inputstride;
GLuint vertoffset; /* position of the attrib in the vertex struct */
GLuint attrib; /* which vertex attrib (0=position, etc) */
GLuint vertattrsize; /* size of the attribute in bytes */
GLubyte *inputptr;
const vf_insert_func *insert;
vf_insert_func do_insert;
vf_extract_func extract;
};
struct vertex_fetch
{
struct vf_attr attr[VF_ATTRIB_MAX];
GLuint attr_count;
GLuint vertex_stride;
struct vf_attr *lookup[VF_ATTRIB_MAX];
vf_emit_func emit;
/* Parameters and constants for codegen:
*/
GLboolean allow_viewport_emits;
GLfloat vp[8];
GLfloat chan_scale[4];
GLfloat identity[4];
struct vf_fastpath *fastpath;
void (*codegen_emit)( struct vertex_fetch *vf );
};
struct vf_attr_type {
GLuint format;
GLuint size;
GLuint stride;
GLuint offset;
};
struct vf_fastpath {
GLuint vertex_stride;
GLuint attr_count;
GLboolean match_strides;
struct vf_attr_type *attr;
vf_emit_func func;
struct vf_fastpath *next;
};
void vf_register_fastpath( struct vertex_fetch *vtx,
GLboolean match_strides );
void vf_generic_emit( struct vertex_fetch *vf,
GLuint count,
GLubyte *v );
void vf_generate_hardwired_emit( struct vertex_fetch *vf );
void vf_generate_sse_emit( struct vertex_fetch *vf );
struct vf_format_info {
const char *name;
vf_extract_func extract;
vf_insert_func insert[4];
const GLuint attrsize;
};
const struct vf_format_info vf_format_info[EMIT_MAX];
#endif

View file

@ -1,982 +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 "main/glheader.h"
#include "main/context.h"
#include "main/colormac.h"
#include "main/macros.h"
#include "main/simple_list.h"
#include "vf/vf.h"
/*
* These functions take the NDC coordinates pointed to by 'in', apply the
* NDC->Viewport mapping and store the results at 'v'.
*/
static INLINE void insert_4f_viewport_4( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
GLfloat *out = (GLfloat *)v;
const GLfloat *scale = a->vf->vp;
const GLfloat *trans = a->vf->vp + 4;
out[0] = scale[0] * in[0] + trans[0];
out[1] = scale[1] * in[1] + trans[1];
out[2] = scale[2] * in[2] + trans[2];
out[3] = in[3];
}
static INLINE void insert_4f_viewport_3( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
GLfloat *out = (GLfloat *)v;
const GLfloat *scale = a->vf->vp;
const GLfloat *trans = a->vf->vp + 4;
out[0] = scale[0] * in[0] + trans[0];
out[1] = scale[1] * in[1] + trans[1];
out[2] = scale[2] * in[2] + trans[2];
out[3] = 1;
}
static INLINE void insert_4f_viewport_2( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
GLfloat *out = (GLfloat *)v;
const GLfloat *scale = a->vf->vp;
const GLfloat *trans = a->vf->vp + 4;
out[0] = scale[0] * in[0] + trans[0];
out[1] = scale[1] * in[1] + trans[1];
out[2] = trans[2];
out[3] = 1;
}
static INLINE void insert_4f_viewport_1( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
GLfloat *out = (GLfloat *)v;
const GLfloat *scale = a->vf->vp;
const GLfloat *trans = a->vf->vp + 4;
out[0] = scale[0] * in[0] + trans[0];
out[1] = trans[1];
out[2] = trans[2];
out[3] = 1;
}
static INLINE void insert_3f_viewport_3( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
GLfloat *out = (GLfloat *)v;
const GLfloat *scale = a->vf->vp;
const GLfloat *trans = a->vf->vp + 4;
out[0] = scale[0] * in[0] + trans[0];
out[1] = scale[1] * in[1] + trans[1];
out[2] = scale[2] * in[2] + trans[2];
}
static INLINE void insert_3f_viewport_2( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
GLfloat *out = (GLfloat *)v;
const GLfloat *scale = a->vf->vp;
const GLfloat *trans = a->vf->vp + 4;
out[0] = scale[0] * in[0] + trans[0];
out[1] = scale[1] * in[1] + trans[1];
out[2] = scale[2] * in[2] + trans[2];
}
static INLINE void insert_3f_viewport_1( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
GLfloat *out = (GLfloat *)v;
const GLfloat *scale = a->vf->vp;
const GLfloat *trans = a->vf->vp + 4;
out[0] = scale[0] * in[0] + trans[0];
out[1] = trans[1];
out[2] = trans[2];
}
static INLINE void insert_2f_viewport_2( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
GLfloat *out = (GLfloat *)v;
const GLfloat *scale = a->vf->vp;
const GLfloat *trans = a->vf->vp + 4;
out[0] = scale[0] * in[0] + trans[0];
out[1] = scale[1] * in[1] + trans[1];
}
static INLINE void insert_2f_viewport_1( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
GLfloat *out = (GLfloat *)v;
const GLfloat *scale = a->vf->vp;
const GLfloat *trans = a->vf->vp + 4;
out[0] = scale[0] * in[0] + trans[0];
out[1] = trans[1];
}
/*
* These functions do the same as above, except for the viewport mapping.
*/
static INLINE void insert_4f_4( const struct vf_attr *a, GLubyte *v, const GLfloat *in )
{
GLfloat *out = (GLfloat *)(v);
(void) a;
out[0] = in[0];
out[1] = in[1];
out[2] = in[2];
out[3] = in[3];
}
static INLINE void insert_4f_3( const struct vf_attr *a, GLubyte *v, const GLfloat *in )
{
GLfloat *out = (GLfloat *)(v);
(void) a;
out[0] = in[0];
out[1] = in[1];
out[2] = in[2];
out[3] = 1;
}
static INLINE void insert_4f_2( const struct vf_attr *a, GLubyte *v, const GLfloat *in )
{
GLfloat *out = (GLfloat *)(v);
(void) a;
out[0] = in[0];
out[1] = in[1];
out[2] = 0;
out[3] = 1;
}
static INLINE void insert_4f_1( const struct vf_attr *a, GLubyte *v, const GLfloat *in )
{
GLfloat *out = (GLfloat *)(v);
(void) a;
out[0] = in[0];
out[1] = 0;
out[2] = 0;
out[3] = 1;
}
static INLINE void insert_3f_xyw_4( const struct vf_attr *a, GLubyte *v, const GLfloat *in )
{
GLfloat *out = (GLfloat *)(v);
(void) a;
out[0] = in[0];
out[1] = in[1];
out[2] = in[3];
}
static INLINE void insert_3f_xyw_err( const struct vf_attr *a, GLubyte *v, const GLfloat *in )
{
(void) a; (void) v; (void) in;
exit(1);
}
static INLINE void insert_3f_3( const struct vf_attr *a, GLubyte *v, const GLfloat *in )
{
GLfloat *out = (GLfloat *)(v);
(void) a;
out[0] = in[0];
out[1] = in[1];
out[2] = in[2];
}
static INLINE void insert_3f_2( const struct vf_attr *a, GLubyte *v, const GLfloat *in )
{
GLfloat *out = (GLfloat *)(v);
(void) a;
out[0] = in[0];
out[1] = in[1];
out[2] = 0;
}
static INLINE void insert_3f_1( const struct vf_attr *a, GLubyte *v, const GLfloat *in )
{
GLfloat *out = (GLfloat *)(v);
(void) a;
out[0] = in[0];
out[1] = 0;
out[2] = 0;
}
static INLINE void insert_2f_2( const struct vf_attr *a, GLubyte *v, const GLfloat *in )
{
GLfloat *out = (GLfloat *)(v);
(void) a;
out[0] = in[0];
out[1] = in[1];
}
static INLINE void insert_2f_1( const struct vf_attr *a, GLubyte *v, const GLfloat *in )
{
GLfloat *out = (GLfloat *)(v);
(void) a;
out[0] = in[0];
out[1] = 0;
}
static INLINE void insert_1f_1( const struct vf_attr *a, GLubyte *v, const GLfloat *in )
{
GLfloat *out = (GLfloat *)(v);
(void) a;
out[0] = in[0];
}
static INLINE void insert_null( const struct vf_attr *a, GLubyte *v, const GLfloat *in )
{
(void) a; (void) v; (void) in;
}
static INLINE void insert_4chan_4f_rgba_4( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
GLchan *c = (GLchan *)v;
(void) a;
UNCLAMPED_FLOAT_TO_CHAN(c[0], in[0]);
UNCLAMPED_FLOAT_TO_CHAN(c[1], in[1]);
UNCLAMPED_FLOAT_TO_CHAN(c[2], in[2]);
UNCLAMPED_FLOAT_TO_CHAN(c[3], in[3]);
}
static INLINE void insert_4chan_4f_rgba_3( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
GLchan *c = (GLchan *)v;
(void) a;
UNCLAMPED_FLOAT_TO_CHAN(c[0], in[0]);
UNCLAMPED_FLOAT_TO_CHAN(c[1], in[1]);
UNCLAMPED_FLOAT_TO_CHAN(c[2], in[2]);
c[3] = CHAN_MAX;
}
static INLINE void insert_4chan_4f_rgba_2( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
GLchan *c = (GLchan *)v;
(void) a;
UNCLAMPED_FLOAT_TO_CHAN(c[0], in[0]);
UNCLAMPED_FLOAT_TO_CHAN(c[1], in[1]);
c[2] = 0;
c[3] = CHAN_MAX;
}
static INLINE void insert_4chan_4f_rgba_1( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
GLchan *c = (GLchan *)v;
(void) a;
UNCLAMPED_FLOAT_TO_CHAN(c[0], in[0]);
c[1] = 0;
c[2] = 0;
c[3] = CHAN_MAX;
}
static INLINE void insert_4ub_4f_rgba_4( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[0]);
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[2]);
UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[3]);
}
static INLINE void insert_4ub_4f_rgba_3( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[0]);
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[2]);
v[3] = 0xff;
}
static INLINE void insert_4ub_4f_rgba_2( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[0]);
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
v[2] = 0;
v[3] = 0xff;
}
static INLINE void insert_4ub_4f_rgba_1( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[0]);
v[1] = 0;
v[2] = 0;
v[3] = 0xff;
}
static INLINE void insert_4ub_4f_bgra_4( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[0]);
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[2]);
UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[3]);
}
static INLINE void insert_4ub_4f_bgra_3( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[0]);
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[2]);
v[3] = 0xff;
}
static INLINE void insert_4ub_4f_bgra_2( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[0]);
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
v[0] = 0;
v[3] = 0xff;
}
static INLINE void insert_4ub_4f_bgra_1( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[0]);
v[1] = 0;
v[0] = 0;
v[3] = 0xff;
}
static INLINE void insert_4ub_4f_argb_4( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[0]);
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]);
UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[2]);
UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[3]);
}
static INLINE void insert_4ub_4f_argb_3( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[0]);
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]);
UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[2]);
v[0] = 0xff;
}
static INLINE void insert_4ub_4f_argb_2( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[0]);
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]);
v[3] = 0x00;
v[0] = 0xff;
}
static INLINE void insert_4ub_4f_argb_1( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[0]);
v[2] = 0x00;
v[3] = 0x00;
v[0] = 0xff;
}
static INLINE void insert_4ub_4f_abgr_4( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[0]);
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]);
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[2]);
UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[3]);
}
static INLINE void insert_4ub_4f_abgr_3( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[0]);
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]);
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[2]);
v[0] = 0xff;
}
static INLINE void insert_4ub_4f_abgr_2( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[0]);
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]);
v[1] = 0x00;
v[0] = 0xff;
}
static INLINE void insert_4ub_4f_abgr_1( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[0]);
v[2] = 0x00;
v[1] = 0x00;
v[0] = 0xff;
}
static INLINE void insert_3ub_3f_rgb_3( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[0]);
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[2]);
}
static INLINE void insert_3ub_3f_rgb_2( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[0]);
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
v[2] = 0;
}
static INLINE void insert_3ub_3f_rgb_1( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[0]);
v[1] = 0;
v[2] = 0;
}
static INLINE void insert_3ub_3f_bgr_3( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[0]);
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[2]);
}
static INLINE void insert_3ub_3f_bgr_2( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[0]);
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
v[0] = 0;
}
static INLINE void insert_3ub_3f_bgr_1( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[0]);
v[1] = 0;
v[0] = 0;
}
static INLINE void insert_1ub_1f_1( const struct vf_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[0]);
}
/***********************************************************************
* Functions to perform the reverse operations to the above, for
* swrast translation and clip-interpolation.
*
* Currently always extracts a full 4 floats.
*/
static void extract_4f_viewport( const struct vf_attr *a, GLfloat *out,
const GLubyte *v )
{
const GLfloat *in = (const GLfloat *)v;
const GLfloat *scale = a->vf->vp;
const GLfloat *trans = a->vf->vp + 4;
/* Although included for completeness, the position coordinate is
* usually handled differently during clipping.
*/
out[0] = (in[0] - trans[0]) / scale[0];
out[1] = (in[1] - trans[1]) / scale[1];
out[2] = (in[2] - trans[2]) / scale[2];
out[3] = in[3];
}
static void extract_3f_viewport( const struct vf_attr *a, GLfloat *out,
const GLubyte *v )
{
const GLfloat *in = (const GLfloat *)v;
const GLfloat *scale = a->vf->vp;
const GLfloat *trans = a->vf->vp + 4;
out[0] = (in[0] - trans[0]) / scale[0];
out[1] = (in[1] - trans[1]) / scale[1];
out[2] = (in[2] - trans[2]) / scale[2];
out[3] = 1;
}
static void extract_2f_viewport( const struct vf_attr *a, GLfloat *out,
const GLubyte *v )
{
const GLfloat *in = (const GLfloat *)v;
const GLfloat *scale = a->vf->vp;
const GLfloat *trans = a->vf->vp + 4;
out[0] = (in[0] - trans[0]) / scale[0];
out[1] = (in[1] - trans[1]) / scale[1];
out[2] = 0;
out[3] = 1;
}
static void extract_4f( const struct vf_attr *a, GLfloat *out, const GLubyte *v )
{
const GLfloat *in = (const GLfloat *)v;
(void) a;
out[0] = in[0];
out[1] = in[1];
out[2] = in[2];
out[3] = in[3];
}
static void extract_3f_xyw( const struct vf_attr *a, GLfloat *out, const GLubyte *v )
{
const GLfloat *in = (const GLfloat *)v;
(void) a;
out[0] = in[0];
out[1] = in[1];
out[2] = 0;
out[3] = in[2];
}
static void extract_3f( const struct vf_attr *a, GLfloat *out, const GLubyte *v )
{
const GLfloat *in = (const GLfloat *)v;
(void) a;
out[0] = in[0];
out[1] = in[1];
out[2] = in[2];
out[3] = 1;
}
static void extract_2f( const struct vf_attr *a, GLfloat *out, const GLubyte *v )
{
const GLfloat *in = (const GLfloat *)v;
(void) a;
out[0] = in[0];
out[1] = in[1];
out[2] = 0;
out[3] = 1;
}
static void extract_1f( const struct vf_attr *a, GLfloat *out, const GLubyte *v )
{
const GLfloat *in = (const GLfloat *)v;
(void) a;
out[0] = in[0];
out[1] = 0;
out[2] = 0;
out[3] = 1;
}
static void extract_4chan_4f_rgba( const struct vf_attr *a, GLfloat *out,
const GLubyte *v )
{
GLchan *c = (GLchan *)v;
(void) a;
out[0] = CHAN_TO_FLOAT(c[0]);
out[1] = CHAN_TO_FLOAT(c[1]);
out[2] = CHAN_TO_FLOAT(c[2]);
out[3] = CHAN_TO_FLOAT(c[3]);
}
static void extract_4ub_4f_rgba( const struct vf_attr *a, GLfloat *out,
const GLubyte *v )
{
(void) a;
out[0] = UBYTE_TO_FLOAT(v[0]);
out[1] = UBYTE_TO_FLOAT(v[1]);
out[2] = UBYTE_TO_FLOAT(v[2]);
out[3] = UBYTE_TO_FLOAT(v[3]);
}
static void extract_4ub_4f_bgra( const struct vf_attr *a, GLfloat *out,
const GLubyte *v )
{
(void) a;
out[2] = UBYTE_TO_FLOAT(v[0]);
out[1] = UBYTE_TO_FLOAT(v[1]);
out[0] = UBYTE_TO_FLOAT(v[2]);
out[3] = UBYTE_TO_FLOAT(v[3]);
}
static void extract_4ub_4f_argb( const struct vf_attr *a, GLfloat *out,
const GLubyte *v )
{
(void) a;
out[3] = UBYTE_TO_FLOAT(v[0]);
out[0] = UBYTE_TO_FLOAT(v[1]);
out[1] = UBYTE_TO_FLOAT(v[2]);
out[2] = UBYTE_TO_FLOAT(v[3]);
}
static void extract_4ub_4f_abgr( const struct vf_attr *a, GLfloat *out,
const GLubyte *v )
{
(void) a;
out[3] = UBYTE_TO_FLOAT(v[0]);
out[2] = UBYTE_TO_FLOAT(v[1]);
out[1] = UBYTE_TO_FLOAT(v[2]);
out[0] = UBYTE_TO_FLOAT(v[3]);
}
static void extract_3ub_3f_rgb( const struct vf_attr *a, GLfloat *out,
const GLubyte *v )
{
(void) a;
out[0] = UBYTE_TO_FLOAT(v[0]);
out[1] = UBYTE_TO_FLOAT(v[1]);
out[2] = UBYTE_TO_FLOAT(v[2]);
out[3] = 1;
}
static void extract_3ub_3f_bgr( const struct vf_attr *a, GLfloat *out,
const GLubyte *v )
{
(void) a;
out[2] = UBYTE_TO_FLOAT(v[0]);
out[1] = UBYTE_TO_FLOAT(v[1]);
out[0] = UBYTE_TO_FLOAT(v[2]);
out[3] = 1;
}
static void extract_1ub_1f( const struct vf_attr *a, GLfloat *out, const GLubyte *v )
{
(void) a;
out[0] = UBYTE_TO_FLOAT(v[0]);
out[1] = 0;
out[2] = 0;
out[3] = 1;
}
const struct vf_format_info vf_format_info[EMIT_MAX] =
{
{ "1f",
extract_1f,
{ insert_1f_1, insert_1f_1, insert_1f_1, insert_1f_1 },
sizeof(GLfloat) },
{ "2f",
extract_2f,
{ insert_2f_1, insert_2f_2, insert_2f_2, insert_2f_2 },
2 * sizeof(GLfloat) },
{ "3f",
extract_3f,
{ insert_3f_1, insert_3f_2, insert_3f_3, insert_3f_3 },
3 * sizeof(GLfloat) },
{ "4f",
extract_4f,
{ insert_4f_1, insert_4f_2, insert_4f_3, insert_4f_4 },
4 * sizeof(GLfloat) },
{ "2f_viewport",
extract_2f_viewport,
{ insert_2f_viewport_1, insert_2f_viewport_2, insert_2f_viewport_2,
insert_2f_viewport_2 },
2 * sizeof(GLfloat) },
{ "3f_viewport",
extract_3f_viewport,
{ insert_3f_viewport_1, insert_3f_viewport_2, insert_3f_viewport_3,
insert_3f_viewport_3 },
3 * sizeof(GLfloat) },
{ "4f_viewport",
extract_4f_viewport,
{ insert_4f_viewport_1, insert_4f_viewport_2, insert_4f_viewport_3,
insert_4f_viewport_4 },
4 * sizeof(GLfloat) },
{ "3f_xyw",
extract_3f_xyw,
{ insert_3f_xyw_err, insert_3f_xyw_err, insert_3f_xyw_err,
insert_3f_xyw_4 },
3 * sizeof(GLfloat) },
{ "1ub_1f",
extract_1ub_1f,
{ insert_1ub_1f_1, insert_1ub_1f_1, insert_1ub_1f_1, insert_1ub_1f_1 },
sizeof(GLubyte) },
{ "3ub_3f_rgb",
extract_3ub_3f_rgb,
{ insert_3ub_3f_rgb_1, insert_3ub_3f_rgb_2, insert_3ub_3f_rgb_3,
insert_3ub_3f_rgb_3 },
3 * sizeof(GLubyte) },
{ "3ub_3f_bgr",
extract_3ub_3f_bgr,
{ insert_3ub_3f_bgr_1, insert_3ub_3f_bgr_2, insert_3ub_3f_bgr_3,
insert_3ub_3f_bgr_3 },
3 * sizeof(GLubyte) },
{ "4ub_4f_rgba",
extract_4ub_4f_rgba,
{ insert_4ub_4f_rgba_1, insert_4ub_4f_rgba_2, insert_4ub_4f_rgba_3,
insert_4ub_4f_rgba_4 },
4 * sizeof(GLubyte) },
{ "4ub_4f_bgra",
extract_4ub_4f_bgra,
{ insert_4ub_4f_bgra_1, insert_4ub_4f_bgra_2, insert_4ub_4f_bgra_3,
insert_4ub_4f_bgra_4 },
4 * sizeof(GLubyte) },
{ "4ub_4f_argb",
extract_4ub_4f_argb,
{ insert_4ub_4f_argb_1, insert_4ub_4f_argb_2, insert_4ub_4f_argb_3,
insert_4ub_4f_argb_4 },
4 * sizeof(GLubyte) },
{ "4ub_4f_abgr",
extract_4ub_4f_abgr,
{ insert_4ub_4f_abgr_1, insert_4ub_4f_abgr_2, insert_4ub_4f_abgr_3,
insert_4ub_4f_abgr_4 },
4 * sizeof(GLubyte) },
{ "4chan_4f_rgba",
extract_4chan_4f_rgba,
{ insert_4chan_4f_rgba_1, insert_4chan_4f_rgba_2, insert_4chan_4f_rgba_3,
insert_4chan_4f_rgba_4 },
4 * sizeof(GLchan) },
{ "pad",
NULL,
{ NULL, NULL, NULL, NULL },
0 }
};
/***********************************************************************
* Hardwired fastpaths for emitting whole vertices or groups of
* vertices
*/
#define EMIT5(NR, F0, F1, F2, F3, F4, NAME) \
static void NAME( struct vertex_fetch *vf, \
GLuint count, \
GLubyte *v ) \
{ \
struct vf_attr *a = vf->attr; \
GLuint i; \
\
for (i = 0 ; i < count ; i++, v += vf->vertex_stride) { \
if (NR > 0) { \
F0( &a[0], v + a[0].vertoffset, (GLfloat *)a[0].inputptr ); \
a[0].inputptr += a[0].inputstride; \
} \
\
if (NR > 1) { \
F1( &a[1], v + a[1].vertoffset, (GLfloat *)a[1].inputptr ); \
a[1].inputptr += a[1].inputstride; \
} \
\
if (NR > 2) { \
F2( &a[2], v + a[2].vertoffset, (GLfloat *)a[2].inputptr ); \
a[2].inputptr += a[2].inputstride; \
} \
\
if (NR > 3) { \
F3( &a[3], v + a[3].vertoffset, (GLfloat *)a[3].inputptr ); \
a[3].inputptr += a[3].inputstride; \
} \
\
if (NR > 4) { \
F4( &a[4], v + a[4].vertoffset, (GLfloat *)a[4].inputptr ); \
a[4].inputptr += a[4].inputstride; \
} \
} \
}
#define EMIT2(F0, F1, NAME) EMIT5(2, F0, F1, insert_null, \
insert_null, insert_null, NAME)
#define EMIT3(F0, F1, F2, NAME) EMIT5(3, F0, F1, F2, insert_null, \
insert_null, NAME)
#define EMIT4(F0, F1, F2, F3, NAME) EMIT5(4, F0, F1, F2, F3, \
insert_null, NAME)
EMIT2(insert_3f_viewport_3, insert_4ub_4f_rgba_4, emit_viewport3_rgba4)
EMIT2(insert_3f_viewport_3, insert_4ub_4f_bgra_4, emit_viewport3_bgra4)
EMIT2(insert_3f_3, insert_4ub_4f_rgba_4, emit_xyz3_rgba4)
EMIT3(insert_4f_viewport_4, insert_4ub_4f_rgba_4, insert_2f_2, emit_viewport4_rgba4_st2)
EMIT3(insert_4f_viewport_4, insert_4ub_4f_bgra_4, insert_2f_2, emit_viewport4_bgra4_st2)
EMIT3(insert_4f_4, insert_4ub_4f_rgba_4, insert_2f_2, emit_xyzw4_rgba4_st2)
EMIT4(insert_4f_viewport_4, insert_4ub_4f_rgba_4, insert_2f_2, insert_2f_2, emit_viewport4_rgba4_st2_st2)
EMIT4(insert_4f_viewport_4, insert_4ub_4f_bgra_4, insert_2f_2, insert_2f_2, emit_viewport4_bgra4_st2_st2)
EMIT4(insert_4f_4, insert_4ub_4f_rgba_4, insert_2f_2, insert_2f_2, emit_xyzw4_rgba4_st2_st2)
/* Use the codegen paths to select one of a number of hardwired
* fastpaths.
*/
void vf_generate_hardwired_emit( struct vertex_fetch *vf )
{
vf_emit_func func = NULL;
/* Does it fit a hardwired fastpath? Help! this is growing out of
* control!
*/
switch (vf->attr_count) {
case 2:
if (vf->attr[0].do_insert == insert_3f_viewport_3) {
if (vf->attr[1].do_insert == insert_4ub_4f_bgra_4)
func = emit_viewport3_bgra4;
else if (vf->attr[1].do_insert == insert_4ub_4f_rgba_4)
func = emit_viewport3_rgba4;
}
else if (vf->attr[0].do_insert == insert_3f_3 &&
vf->attr[1].do_insert == insert_4ub_4f_rgba_4) {
func = emit_xyz3_rgba4;
}
break;
case 3:
if (vf->attr[2].do_insert == insert_2f_2) {
if (vf->attr[1].do_insert == insert_4ub_4f_rgba_4) {
if (vf->attr[0].do_insert == insert_4f_viewport_4)
func = emit_viewport4_rgba4_st2;
else if (vf->attr[0].do_insert == insert_4f_4)
func = emit_xyzw4_rgba4_st2;
}
else if (vf->attr[1].do_insert == insert_4ub_4f_bgra_4 &&
vf->attr[0].do_insert == insert_4f_viewport_4)
func = emit_viewport4_bgra4_st2;
}
break;
case 4:
if (vf->attr[2].do_insert == insert_2f_2 &&
vf->attr[3].do_insert == insert_2f_2) {
if (vf->attr[1].do_insert == insert_4ub_4f_rgba_4) {
if (vf->attr[0].do_insert == insert_4f_viewport_4)
func = emit_viewport4_rgba4_st2_st2;
else if (vf->attr[0].do_insert == insert_4f_4)
func = emit_xyzw4_rgba4_st2_st2;
}
else if (vf->attr[1].do_insert == insert_4ub_4f_bgra_4 &&
vf->attr[0].do_insert == insert_4f_viewport_4)
func = emit_viewport4_bgra4_st2_st2;
}
break;
}
vf->emit = func;
}
/***********************************************************************
* Generic (non-codegen) functions for whole vertices or groups of
* vertices
*/
void vf_generic_emit( struct vertex_fetch *vf,
GLuint count,
GLubyte *v )
{
struct vf_attr *a = vf->attr;
const GLuint attr_count = vf->attr_count;
const GLuint stride = vf->vertex_stride;
GLuint i, j;
for (i = 0 ; i < count ; i++, v += stride) {
for (j = 0; j < attr_count; j++) {
GLfloat *in = (GLfloat *)a[j].inputptr;
a[j].inputptr += a[j].inputstride;
a[j].do_insert( &a[j], v + a[j].vertoffset, in );
}
}
}

View file

@ -1,662 +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 "main/glheader.h"
#include "main/colormac.h"
#include "main/simple_list.h"
#include "main/enums.h"
#include "vf/vf.h"
#if defined(USE_SSE_ASM)
#include "x86/rtasm/x86sse.h"
#include "x86/common_x86_asm.h"
#define X 0
#define Y 1
#define Z 2
#define W 3
struct x86_program {
struct x86_function func;
struct vertex_fetch *vf;
GLboolean inputs_safe;
GLboolean outputs_safe;
GLboolean have_sse2;
struct x86_reg identity;
struct x86_reg chan0;
};
static struct x86_reg get_identity( struct x86_program *p )
{
return p->identity;
}
static void emit_load4f_4( struct x86_program *p,
struct x86_reg dest,
struct x86_reg arg0 )
{
sse_movups(&p->func, dest, arg0);
}
static void emit_load4f_3( struct x86_program *p,
struct x86_reg dest,
struct x86_reg arg0 )
{
/* Have to jump through some hoops:
*
* c 0 0 0
* c 0 0 1
* 0 0 c 1
* a b c 1
*/
sse_movss(&p->func, dest, x86_make_disp(arg0, 8));
sse_shufps(&p->func, dest, get_identity(p), SHUF(X,Y,Z,W) );
sse_shufps(&p->func, dest, dest, SHUF(Y,Z,X,W) );
sse_movlps(&p->func, dest, arg0);
}
static void emit_load4f_2( struct x86_program *p,
struct x86_reg dest,
struct x86_reg arg0 )
{
/* Initialize from identity, then pull in low two words:
*/
sse_movups(&p->func, dest, get_identity(p));
sse_movlps(&p->func, dest, arg0);
}
static void emit_load4f_1( struct x86_program *p,
struct x86_reg dest,
struct x86_reg arg0 )
{
/* Pull in low word, then swizzle in identity */
sse_movss(&p->func, dest, arg0);
sse_shufps(&p->func, dest, get_identity(p), SHUF(X,Y,Z,W) );
}
static void emit_load3f_3( struct x86_program *p,
struct x86_reg dest,
struct x86_reg arg0 )
{
/* Over-reads by 1 dword - potential SEGV if input is a vertex
* array.
*/
if (p->inputs_safe) {
sse_movups(&p->func, dest, arg0);
}
else {
/* c 0 0 0
* c c c c
* a b c c
*/
sse_movss(&p->func, dest, x86_make_disp(arg0, 8));
sse_shufps(&p->func, dest, dest, SHUF(X,X,X,X));
sse_movlps(&p->func, dest, arg0);
}
}
static void emit_load3f_2( struct x86_program *p,
struct x86_reg dest,
struct x86_reg arg0 )
{
emit_load4f_2(p, dest, arg0);
}
static void emit_load3f_1( struct x86_program *p,
struct x86_reg dest,
struct x86_reg arg0 )
{
emit_load4f_1(p, dest, arg0);
}
static void emit_load2f_2( struct x86_program *p,
struct x86_reg dest,
struct x86_reg arg0 )
{
sse_movlps(&p->func, dest, arg0);
}
static void emit_load2f_1( struct x86_program *p,
struct x86_reg dest,
struct x86_reg arg0 )
{
emit_load4f_1(p, dest, arg0);
}
static void emit_load1f_1( struct x86_program *p,
struct x86_reg dest,
struct x86_reg arg0 )
{
sse_movss(&p->func, dest, arg0);
}
static void (*load[4][4])( struct x86_program *p,
struct x86_reg dest,
struct x86_reg arg0 ) = {
{ emit_load1f_1,
emit_load1f_1,
emit_load1f_1,
emit_load1f_1 },
{ emit_load2f_1,
emit_load2f_2,
emit_load2f_2,
emit_load2f_2 },
{ emit_load3f_1,
emit_load3f_2,
emit_load3f_3,
emit_load3f_3 },
{ emit_load4f_1,
emit_load4f_2,
emit_load4f_3,
emit_load4f_4 }
};
static void emit_load( struct x86_program *p,
struct x86_reg dest,
GLuint sz,
struct x86_reg src,
GLuint src_sz)
{
load[sz-1][src_sz-1](p, dest, src);
}
static void emit_store4f( struct x86_program *p,
struct x86_reg dest,
struct x86_reg arg0 )
{
sse_movups(&p->func, dest, arg0);
}
static void emit_store3f( struct x86_program *p,
struct x86_reg dest,
struct x86_reg arg0 )
{
if (p->outputs_safe) {
/* Emit the extra dword anyway. This may hurt writecombining,
* may cause other problems.
*/
sse_movups(&p->func, dest, arg0);
}
else {
/* Alternate strategy - emit two, shuffle, emit one.
*/
sse_movlps(&p->func, dest, arg0);
sse_shufps(&p->func, arg0, arg0, SHUF(Z,Z,Z,Z) ); /* NOTE! destructive */
sse_movss(&p->func, x86_make_disp(dest,8), arg0);
}
}
static void emit_store2f( struct x86_program *p,
struct x86_reg dest,
struct x86_reg arg0 )
{
sse_movlps(&p->func, dest, arg0);
}
static void emit_store1f( struct x86_program *p,
struct x86_reg dest,
struct x86_reg arg0 )
{
sse_movss(&p->func, dest, arg0);
}
static void (*store[4])( struct x86_program *p,
struct x86_reg dest,
struct x86_reg arg0 ) =
{
emit_store1f,
emit_store2f,
emit_store3f,
emit_store4f
};
static void emit_store( struct x86_program *p,
struct x86_reg dest,
GLuint sz,
struct x86_reg temp )
{
store[sz-1](p, dest, temp);
}
static void emit_pack_store_4ub( struct x86_program *p,
struct x86_reg dest,
struct x86_reg temp )
{
/* Scale by 255.0
*/
sse_mulps(&p->func, temp, p->chan0);
if (p->have_sse2) {
sse2_cvtps2dq(&p->func, temp, temp);
sse2_packssdw(&p->func, temp, temp);
sse2_packuswb(&p->func, temp, temp);
sse_movss(&p->func, dest, temp);
}
else {
struct x86_reg mmx0 = x86_make_reg(file_MMX, 0);
struct x86_reg mmx1 = x86_make_reg(file_MMX, 1);
sse_cvtps2pi(&p->func, mmx0, temp);
sse_movhlps(&p->func, temp, temp);
sse_cvtps2pi(&p->func, mmx1, temp);
mmx_packssdw(&p->func, mmx0, mmx1);
mmx_packuswb(&p->func, mmx0, mmx0);
mmx_movd(&p->func, dest, mmx0);
}
}
static GLint get_offset( const void *a, const void *b )
{
return (const char *)b - (const char *)a;
}
/* Not much happens here. Eventually use this function to try and
* avoid saving/reloading the source pointers each vertex (if some of
* them can fit in registers).
*/
static void get_src_ptr( struct x86_program *p,
struct x86_reg srcREG,
struct x86_reg vfREG,
struct vf_attr *a )
{
struct vertex_fetch *vf = p->vf;
struct x86_reg ptr_to_src = x86_make_disp(vfREG, get_offset(vf, &a->inputptr));
/* Load current a[j].inputptr
*/
x86_mov(&p->func, srcREG, ptr_to_src);
}
static void update_src_ptr( struct x86_program *p,
struct x86_reg srcREG,
struct x86_reg vfREG,
struct vf_attr *a )
{
if (a->inputstride) {
struct vertex_fetch *vf = p->vf;
struct x86_reg ptr_to_src = x86_make_disp(vfREG, get_offset(vf, &a->inputptr));
/* add a[j].inputstride (hardcoded value - could just as easily
* pull the stride value from memory each time).
*/
x86_lea(&p->func, srcREG, x86_make_disp(srcREG, a->inputstride));
/* save new value of a[j].inputptr
*/
x86_mov(&p->func, ptr_to_src, srcREG);
}
}
/* Lots of hardcoding
*
* EAX -- pointer to current output vertex
* ECX -- pointer to current attribute
*
*/
static GLboolean build_vertex_emit( struct x86_program *p )
{
struct vertex_fetch *vf = p->vf;
GLuint j = 0;
struct x86_reg vertexEAX = x86_make_reg(file_REG32, reg_AX);
struct x86_reg srcECX = x86_make_reg(file_REG32, reg_CX);
struct x86_reg countEBP = x86_make_reg(file_REG32, reg_BP);
struct x86_reg vfESI = x86_make_reg(file_REG32, reg_SI);
struct x86_reg temp = x86_make_reg(file_XMM, 0);
struct x86_reg vp0 = x86_make_reg(file_XMM, 1);
struct x86_reg vp1 = x86_make_reg(file_XMM, 2);
GLubyte *fixup, *label;
/* Push a few regs?
*/
x86_push(&p->func, countEBP);
x86_push(&p->func, vfESI);
/* Get vertex count, compare to zero
*/
x86_xor(&p->func, srcECX, srcECX);
x86_mov(&p->func, countEBP, x86_fn_arg(&p->func, 2));
x86_cmp(&p->func, countEBP, srcECX);
fixup = x86_jcc_forward(&p->func, cc_E);
/* Initialize destination register.
*/
x86_mov(&p->func, vertexEAX, x86_fn_arg(&p->func, 3));
/* Move argument 1 (vf) into a reg:
*/
x86_mov(&p->func, vfESI, x86_fn_arg(&p->func, 1));
/* Possibly load vp0, vp1 for viewport calcs:
*/
if (vf->allow_viewport_emits) {
sse_movups(&p->func, vp0, x86_make_disp(vfESI, get_offset(vf, &vf->vp[0])));
sse_movups(&p->func, vp1, x86_make_disp(vfESI, get_offset(vf, &vf->vp[4])));
}
/* always load, needed or not:
*/
sse_movups(&p->func, p->chan0, x86_make_disp(vfESI, get_offset(vf, &vf->chan_scale[0])));
sse_movups(&p->func, p->identity, x86_make_disp(vfESI, get_offset(vf, &vf->identity[0])));
/* Note address for loop jump */
label = x86_get_label(&p->func);
/* Emit code for each of the attributes. Currently routes
* everything through SSE registers, even when it might be more
* efficient to stick with regular old x86. No optimization or
* other tricks - enough new ground to cover here just getting
* things working.
*/
while (j < vf->attr_count) {
struct vf_attr *a = &vf->attr[j];
struct x86_reg dest = x86_make_disp(vertexEAX, a->vertoffset);
/* Now, load an XMM reg from src, perhaps transform, then save.
* Could be shortcircuited in specific cases:
*/
switch (a->format) {
case EMIT_1F:
get_src_ptr(p, srcECX, vfESI, a);
emit_load(p, temp, 1, x86_deref(srcECX), a->inputsize);
emit_store(p, dest, 1, temp);
update_src_ptr(p, srcECX, vfESI, a);
break;
case EMIT_2F:
get_src_ptr(p, srcECX, vfESI, a);
emit_load(p, temp, 2, x86_deref(srcECX), a->inputsize);
emit_store(p, dest, 2, temp);
update_src_ptr(p, srcECX, vfESI, a);
break;
case EMIT_3F:
/* Potentially the worst case - hardcode 2+1 copying:
*/
if (0) {
get_src_ptr(p, srcECX, vfESI, a);
emit_load(p, temp, 3, x86_deref(srcECX), a->inputsize);
emit_store(p, dest, 3, temp);
update_src_ptr(p, srcECX, vfESI, a);
}
else {
get_src_ptr(p, srcECX, vfESI, a);
emit_load(p, temp, 2, x86_deref(srcECX), a->inputsize);
emit_store(p, dest, 2, temp);
if (a->inputsize > 2) {
emit_load(p, temp, 1, x86_make_disp(srcECX, 8), 1);
emit_store(p, x86_make_disp(dest,8), 1, temp);
}
else {
sse_movss(&p->func, x86_make_disp(dest,8), get_identity(p));
}
update_src_ptr(p, srcECX, vfESI, a);
}
break;
case EMIT_4F:
get_src_ptr(p, srcECX, vfESI, a);
emit_load(p, temp, 4, x86_deref(srcECX), a->inputsize);
emit_store(p, dest, 4, temp);
update_src_ptr(p, srcECX, vfESI, a);
break;
case EMIT_2F_VIEWPORT:
get_src_ptr(p, srcECX, vfESI, a);
emit_load(p, temp, 2, x86_deref(srcECX), a->inputsize);
sse_mulps(&p->func, temp, vp0);
sse_addps(&p->func, temp, vp1);
emit_store(p, dest, 2, temp);
update_src_ptr(p, srcECX, vfESI, a);
break;
case EMIT_3F_VIEWPORT:
get_src_ptr(p, srcECX, vfESI, a);
emit_load(p, temp, 3, x86_deref(srcECX), a->inputsize);
sse_mulps(&p->func, temp, vp0);
sse_addps(&p->func, temp, vp1);
emit_store(p, dest, 3, temp);
update_src_ptr(p, srcECX, vfESI, a);
break;
case EMIT_4F_VIEWPORT:
get_src_ptr(p, srcECX, vfESI, a);
emit_load(p, temp, 4, x86_deref(srcECX), a->inputsize);
sse_mulps(&p->func, temp, vp0);
sse_addps(&p->func, temp, vp1);
emit_store(p, dest, 4, temp);
update_src_ptr(p, srcECX, vfESI, a);
break;
case EMIT_3F_XYW:
get_src_ptr(p, srcECX, vfESI, a);
emit_load(p, temp, 4, x86_deref(srcECX), a->inputsize);
sse_shufps(&p->func, temp, temp, SHUF(X,Y,W,Z));
emit_store(p, dest, 3, temp);
update_src_ptr(p, srcECX, vfESI, a);
break;
case EMIT_1UB_1F:
/* Test for PAD3 + 1UB:
*/
if (j > 0 &&
a[-1].vertoffset + a[-1].vertattrsize <= a->vertoffset - 3)
{
get_src_ptr(p, srcECX, vfESI, a);
emit_load(p, temp, 1, x86_deref(srcECX), a->inputsize);
sse_shufps(&p->func, temp, temp, SHUF(X,X,X,X));
emit_pack_store_4ub(p, x86_make_disp(dest, -3), temp); /* overkill! */
update_src_ptr(p, srcECX, vfESI, a);
}
else {
printf("Can't emit 1ub %x %x %d\n", a->vertoffset, a[-1].vertoffset, a[-1].vertattrsize );
return GL_FALSE;
}
break;
case EMIT_3UB_3F_RGB:
case EMIT_3UB_3F_BGR:
/* Test for 3UB + PAD1:
*/
if (j == vf->attr_count - 1 ||
a[1].vertoffset >= a->vertoffset + 4) {
get_src_ptr(p, srcECX, vfESI, a);
emit_load(p, temp, 3, x86_deref(srcECX), a->inputsize);
if (a->format == EMIT_3UB_3F_BGR)
sse_shufps(&p->func, temp, temp, SHUF(Z,Y,X,W));
emit_pack_store_4ub(p, dest, temp);
update_src_ptr(p, srcECX, vfESI, a);
}
/* Test for 3UB + 1UB:
*/
else if (j < vf->attr_count - 1 &&
a[1].format == EMIT_1UB_1F &&
a[1].vertoffset == a->vertoffset + 3) {
get_src_ptr(p, srcECX, vfESI, a);
emit_load(p, temp, 3, x86_deref(srcECX), a->inputsize);
update_src_ptr(p, srcECX, vfESI, a);
/* Make room for incoming value:
*/
sse_shufps(&p->func, temp, temp, SHUF(W,X,Y,Z));
get_src_ptr(p, srcECX, vfESI, &a[1]);
emit_load(p, temp, 1, x86_deref(srcECX), a[1].inputsize);
update_src_ptr(p, srcECX, vfESI, &a[1]);
/* Rearrange and possibly do BGR conversion:
*/
if (a->format == EMIT_3UB_3F_BGR)
sse_shufps(&p->func, temp, temp, SHUF(W,Z,Y,X));
else
sse_shufps(&p->func, temp, temp, SHUF(Y,Z,W,X));
emit_pack_store_4ub(p, dest, temp);
j++; /* NOTE: two attrs consumed */
}
else {
printf("Can't emit 3ub\n");
}
return GL_FALSE; /* add this later */
break;
case EMIT_4UB_4F_RGBA:
get_src_ptr(p, srcECX, vfESI, a);
emit_load(p, temp, 4, x86_deref(srcECX), a->inputsize);
emit_pack_store_4ub(p, dest, temp);
update_src_ptr(p, srcECX, vfESI, a);
break;
case EMIT_4UB_4F_BGRA:
get_src_ptr(p, srcECX, vfESI, a);
emit_load(p, temp, 4, x86_deref(srcECX), a->inputsize);
sse_shufps(&p->func, temp, temp, SHUF(Z,Y,X,W));
emit_pack_store_4ub(p, dest, temp);
update_src_ptr(p, srcECX, vfESI, a);
break;
case EMIT_4UB_4F_ARGB:
get_src_ptr(p, srcECX, vfESI, a);
emit_load(p, temp, 4, x86_deref(srcECX), a->inputsize);
sse_shufps(&p->func, temp, temp, SHUF(W,X,Y,Z));
emit_pack_store_4ub(p, dest, temp);
update_src_ptr(p, srcECX, vfESI, a);
break;
case EMIT_4UB_4F_ABGR:
get_src_ptr(p, srcECX, vfESI, a);
emit_load(p, temp, 4, x86_deref(srcECX), a->inputsize);
sse_shufps(&p->func, temp, temp, SHUF(W,Z,Y,X));
emit_pack_store_4ub(p, dest, temp);
update_src_ptr(p, srcECX, vfESI, a);
break;
case EMIT_4CHAN_4F_RGBA:
switch (CHAN_TYPE) {
case GL_UNSIGNED_BYTE:
get_src_ptr(p, srcECX, vfESI, a);
emit_load(p, temp, 4, x86_deref(srcECX), a->inputsize);
emit_pack_store_4ub(p, dest, temp);
update_src_ptr(p, srcECX, vfESI, a);
break;
case GL_FLOAT:
get_src_ptr(p, srcECX, vfESI, a);
emit_load(p, temp, 4, x86_deref(srcECX), a->inputsize);
emit_store(p, dest, 4, temp);
update_src_ptr(p, srcECX, vfESI, a);
break;
case GL_UNSIGNED_SHORT:
default:
printf("unknown CHAN_TYPE %s\n", _mesa_lookup_enum_by_nr(CHAN_TYPE));
return GL_FALSE;
}
break;
default:
printf("unknown a[%d].format %d\n", j, a->format);
return GL_FALSE; /* catch any new opcodes */
}
/* Increment j by at least 1 - may have been incremented above also:
*/
j++;
}
/* Next vertex:
*/
x86_lea(&p->func, vertexEAX, x86_make_disp(vertexEAX, vf->vertex_stride));
/* decr count, loop if not zero
*/
x86_dec(&p->func, countEBP);
x86_test(&p->func, countEBP, countEBP);
x86_jcc(&p->func, cc_NZ, label);
/* Exit mmx state?
*/
if (p->func.need_emms)
mmx_emms(&p->func);
/* Land forward jump here:
*/
x86_fixup_fwd_jump(&p->func, fixup);
/* Pop regs and return
*/
x86_pop(&p->func, x86_get_base_reg(vfESI));
x86_pop(&p->func, countEBP);
x86_ret(&p->func);
vf->emit = (vf_emit_func)x86_get_func(&p->func);
return GL_TRUE;
}
void vf_generate_sse_emit( struct vertex_fetch *vf )
{
struct x86_program p;
if (!cpu_has_xmm) {
vf->codegen_emit = NULL;
return;
}
memset(&p, 0, sizeof(p));
p.vf = vf;
p.inputs_safe = 0; /* for now */
p.outputs_safe = 0; /* for now */
p.have_sse2 = cpu_has_xmm2;
p.identity = x86_make_reg(file_XMM, 6);
p.chan0 = x86_make_reg(file_XMM, 7);
x86_init_func(&p.func);
if (build_vertex_emit(&p)) {
vf_register_fastpath( vf, GL_TRUE );
}
else {
/* Note the failure so that we don't keep trying to codegen an
* impossible state:
*/
vf_register_fastpath( vf, GL_FALSE );
x86_release_func(&p.func);
}
}
#else
void vf_generate_sse_emit( struct vertex_fetch *vf )
{
/* Dummy version for when USE_SSE_ASM not defined */
}
#endif