src/mesa/swrast_setup/ss_context.c - platform/external/mesa3d - Git at Google

 /*
  * Mesa 3-D graphics library
  * Version:  7.1
  *
  * Copyright (C) 1999-2007  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 "main/glheader.h"
 #include "main/imports.h"
 #include "main/colormac.h"
 #include "tnl/tnl.h"
 #include "tnl/t_context.h"
 #include "tnl/t_pipeline.h"
 #include "tnl/t_vertex.h"
 #include "swrast_setup.h"
 #include "ss_context.h"
 #include "ss_triangle.h"


 /* Need to check lighting state and vertex program state to know
  * if two-sided lighting is in effect.
  */
 #define _SWSETUP_NEW_RENDERINDEX (_NEW_POLYGON|_NEW_LIGHT|_NEW_PROGRAM)


 #define VARYING_EMIT_STYLE  EMIT_4F


 GLboolean
 _swsetup_CreateContext( struct gl_context *ctx )
 {
    SScontext *swsetup = (SScontext *)CALLOC(sizeof(SScontext));

    if (!swsetup)
       return GL_FALSE;

    ctx->swsetup_context = swsetup;

    swsetup->NewState = ~0;
    _swsetup_trifuncs_init( ctx );

    _tnl_init_vertices( ctx, ctx->Const.MaxArrayLockSize + 12,
 		       sizeof(SWvertex) );


    return GL_TRUE;
 }

 void
 _swsetup_DestroyContext( struct gl_context *ctx )
 {
    SScontext *swsetup = SWSETUP_CONTEXT(ctx);

    if (swsetup) {
       FREE(swsetup);
       ctx->swsetup_context = 0;
    }

    _tnl_free_vertices( ctx );
 }

 static void
 _swsetup_RenderPrimitive( struct gl_context *ctx, GLenum mode )
 {
    SWSETUP_CONTEXT(ctx)->render_prim = mode;
    _swrast_render_primitive( ctx, mode );
 }


 /**
  * Helper macros for setup_vertex_format()
  */
 #define SWZ ((SWvertex *)0)
 #define SWOffset(MEMBER) (((char *)&(SWZ->MEMBER)) - ((char *)SWZ))

 #define EMIT_ATTR( ATTR, STYLE, MEMBER )	\
 do {						\
    map[e].attrib = (ATTR);			\
    map[e].format = (STYLE);			\
    map[e].offset = SWOffset(MEMBER);	       	\
    e++;						\
 } while (0)


 /**
  * Tell the tnl module how to build SWvertex objects for swrast.
  * We'll build the map[] array with that info and pass it to
  * _tnl_install_attrs().
  */
 static void
 setup_vertex_format(struct gl_context *ctx)
 {
    TNLcontext *tnl = TNL_CONTEXT(ctx);
    SScontext *swsetup = SWSETUP_CONTEXT(ctx);
    GLboolean intColors = !ctx->FragmentProgram._Current
                       && !ctx->ATIFragmentShader._Enabled
                       && ctx->RenderMode == GL_RENDER
                       && CHAN_TYPE != GL_FLOAT;

    if (intColors != swsetup->intColors ||
        tnl->render_inputs_bitset != swsetup->last_index_bitset) {
       GLbitfield64 index_bitset = tnl->render_inputs_bitset;
       struct tnl_attr_map map[_TNL_ATTRIB_MAX];
       unsigned int i, e = 0;

       swsetup->intColors = intColors;

       EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, attrib[FRAG_ATTRIB_WPOS] );

       if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_COLOR0)) {
          if (swsetup->intColors)
             EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4CHAN_4F_RGBA, color );
          else
             EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4F, attrib[FRAG_ATTRIB_COL0]);
       }

       if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_COLOR1)) {
          EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_4F, attrib[FRAG_ATTRIB_COL1]);
       }

       if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_FOG)) {
          const GLint emit = ctx->FragmentProgram._Current ? EMIT_4F : EMIT_1F;
          EMIT_ATTR( _TNL_ATTRIB_FOG, emit, attrib[FRAG_ATTRIB_FOGC]);
       }

       if (index_bitset & BITFIELD64_RANGE(_TNL_ATTRIB_TEX0, _TNL_NUM_TEX))
       {
          for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
             if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_TEX(i))) {
                EMIT_ATTR( _TNL_ATTRIB_TEX(i), EMIT_4F,
                           attrib[FRAG_ATTRIB_TEX0 + i] );
             }
          }
       }

       /* shader varying vars */
       if (index_bitset & BITFIELD64_RANGE(_TNL_ATTRIB_GENERIC0, _TNL_NUM_GENERIC)) {
          for (i = 0; i < ctx->Const.MaxVarying; i++) {
             if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_GENERIC(i))) {
                EMIT_ATTR( _TNL_ATTRIB_GENERIC(i), VARYING_EMIT_STYLE,
                           attrib[FRAG_ATTRIB_VAR0 + i] );
             }
          }
       }

       if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_POINTSIZE))
          EMIT_ATTR( _TNL_ATTRIB_POINTSIZE, EMIT_1F, pointSize );

       _tnl_install_attrs( ctx, map, e,
                           ctx->Viewport._WindowMap.m,
                           sizeof(SWvertex) );

       swsetup->last_index_bitset = index_bitset;
    }
 }


 /**
  * Prepare to render a vertex buffer.
  * Called via tnl->Driver.Render.Start.
  */
 static void
 _swsetup_RenderStart( struct gl_context *ctx )
 {
    SScontext *swsetup = SWSETUP_CONTEXT(ctx);
    TNLcontext *tnl = TNL_CONTEXT(ctx);
    struct vertex_buffer *VB = &tnl->vb;

    if (swsetup->NewState & _SWSETUP_NEW_RENDERINDEX) {
       _swsetup_choose_trifuncs(ctx);
    }

    if (swsetup->NewState & _NEW_PROGRAM) {
       swsetup->last_index_bitset = 0;
    }

    swsetup->NewState = 0;

    /* This will change if drawing unfilled tris */
    _swrast_SetFacing(ctx, 0);

    _swrast_render_start(ctx);

    /* Important */
    VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;

    setup_vertex_format(ctx);
 }


 /*
  * We patch this function into tnl->Driver.Render.Finish.
  * It's called when we finish rendering a vertex buffer.
  */
 static void
 _swsetup_RenderFinish( struct gl_context *ctx )
 {
    _swrast_render_finish( ctx );
 }

 void
 _swsetup_InvalidateState( struct gl_context *ctx, GLuint new_state )
 {
    SScontext *swsetup = SWSETUP_CONTEXT(ctx);
    swsetup->NewState |= new_state;
    _tnl_invalidate_vertex_state( ctx, new_state );
 }


 void
 _swsetup_Wakeup( struct gl_context *ctx )
 {
    TNLcontext *tnl = TNL_CONTEXT(ctx);
    SScontext *swsetup = SWSETUP_CONTEXT(ctx);

    tnl->Driver.Render.Start = _swsetup_RenderStart;
    tnl->Driver.Render.Finish = _swsetup_RenderFinish;
    tnl->Driver.Render.PrimitiveNotify = _swsetup_RenderPrimitive;
    tnl->Driver.Render.Interp = _tnl_interp;
    tnl->Driver.Render.CopyPV = _tnl_copy_pv;
    tnl->Driver.Render.ClippedPolygon = _tnl_RenderClippedPolygon; /* new */
    tnl->Driver.Render.ClippedLine = _tnl_RenderClippedLine; /* new */
    /* points */
    /* line */
    /* triangle */
    /* quad */
    tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
    tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
    tnl->Driver.Render.ResetLineStipple = _swrast_ResetLineStipple;
    tnl->Driver.Render.BuildVertices = _tnl_build_vertices;
    tnl->Driver.Render.Multipass = 0;

    _tnl_invalidate_vertices( ctx, ~0 );
    _tnl_need_projected_coords( ctx, GL_TRUE );
    _swsetup_InvalidateState( ctx, ~0 );

    swsetup->verts = (SWvertex *)tnl->clipspace.vertex_buf;
    swsetup->last_index_bitset = 0;
 }


 /**
  * Populate a swrast SWvertex from an attrib-style vertex.
  */
 void
 _swsetup_Translate( struct gl_context *ctx, const void *vertex, SWvertex *dest )
 {
    const GLfloat *m = ctx->Viewport._WindowMap.m;
    GLfloat tmp[4];
    GLuint i;

    _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_POS, tmp );

    dest->attrib[FRAG_ATTRIB_WPOS][0] = m[0]  * tmp[0] + m[12];
    dest->attrib[FRAG_ATTRIB_WPOS][1] = m[5]  * tmp[1] + m[13];
    dest->attrib[FRAG_ATTRIB_WPOS][2] = m[10] * tmp[2] + m[14];
    dest->attrib[FRAG_ATTRIB_WPOS][3] =         tmp[3];

    /** XXX try to limit these loops someday */
    for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++)
       _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_TEX0 + i,
                      dest->attrib[FRAG_ATTRIB_TEX0 + i] );

    for (i = 0 ; i < ctx->Const.MaxVarying ; i++)
       _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_GENERIC0 + i,
                      dest->attrib[FRAG_ATTRIB_VAR0 + i] );

    _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_COLOR0,
                   dest->attrib[FRAG_ATTRIB_COL0] );
    UNCLAMPED_FLOAT_TO_RGBA_CHAN( dest->color, tmp );

    _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_COLOR1,
                   dest->attrib[FRAG_ATTRIB_COL1]);

    _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_FOG, tmp );
    dest->attrib[FRAG_ATTRIB_FOGC][0] = tmp[0];

    /* XXX See _tnl_get_attr about pointsize ... */
    _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_POINTSIZE, tmp );
    dest->pointSize = tmp[0];
 }
	/*
	* Mesa 3-D graphics library
	* Version: 7.1
	*
	* Copyright (C) 1999-2007 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 "main/glheader.h"
	#include "main/imports.h"
	#include "main/colormac.h"
	#include "tnl/tnl.h"
	#include "tnl/t_context.h"
	#include "tnl/t_pipeline.h"
	#include "tnl/t_vertex.h"
	#include "swrast_setup.h"
	#include "ss_context.h"
	#include "ss_triangle.h"


	/* Need to check lighting state and vertex program state to know
	* if two-sided lighting is in effect.
	*/
	#define _SWSETUP_NEW_RENDERINDEX (_NEW_POLYGON\|_NEW_LIGHT\|_NEW_PROGRAM)


	#define VARYING_EMIT_STYLE EMIT_4F


	GLboolean
	_swsetup_CreateContext( struct gl_context *ctx )
	{
	SScontext swsetup = (SScontext )CALLOC(sizeof(SScontext));

	if (!swsetup)
	return GL_FALSE;

	ctx->swsetup_context = swsetup;

	swsetup->NewState = ~0;
	_swsetup_trifuncs_init( ctx );

	_tnl_init_vertices( ctx, ctx->Const.MaxArrayLockSize + 12,
	sizeof(SWvertex) );


	return GL_TRUE;
	}

	void
	_swsetup_DestroyContext( struct gl_context *ctx )
	{
	SScontext *swsetup = SWSETUP_CONTEXT(ctx);

	if (swsetup) {
	FREE(swsetup);
	ctx->swsetup_context = 0;
	}

	_tnl_free_vertices( ctx );
	}

	static void
	_swsetup_RenderPrimitive( struct gl_context *ctx, GLenum mode )
	{
	SWSETUP_CONTEXT(ctx)->render_prim = mode;
	_swrast_render_primitive( ctx, mode );
	}


	/**
	* Helper macros for setup_vertex_format()
	*/
	#define SWZ ((SWvertex *)0)
	#define SWOffset(MEMBER) (((char )&(SWZ->MEMBER)) - ((char )SWZ))

	#define EMIT_ATTR( ATTR, STYLE, MEMBER ) \
	do { \
	map[e].attrib = (ATTR); \
	map[e].format = (STYLE); \
	map[e].offset = SWOffset(MEMBER); \
	e++; \
	} while (0)


	/**
	* Tell the tnl module how to build SWvertex objects for swrast.
	* We'll build the map[] array with that info and pass it to
	* _tnl_install_attrs().
	*/
	static void
	setup_vertex_format(struct gl_context *ctx)
	{
	TNLcontext *tnl = TNL_CONTEXT(ctx);
	SScontext *swsetup = SWSETUP_CONTEXT(ctx);
	GLboolean intColors = !ctx->FragmentProgram._Current
	&& !ctx->ATIFragmentShader._Enabled
	&& ctx->RenderMode == GL_RENDER
	&& CHAN_TYPE != GL_FLOAT;

	if (intColors != swsetup->intColors \|\|
	tnl->render_inputs_bitset != swsetup->last_index_bitset) {
	GLbitfield64 index_bitset = tnl->render_inputs_bitset;
	struct tnl_attr_map map[_TNL_ATTRIB_MAX];
	unsigned int i, e = 0;

	swsetup->intColors = intColors;

	EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, attrib[FRAG_ATTRIB_WPOS] );

	if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_COLOR0)) {
	if (swsetup->intColors)
	EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4CHAN_4F_RGBA, color );
	else
	EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4F, attrib[FRAG_ATTRIB_COL0]);
	}

	if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_COLOR1)) {
	EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_4F, attrib[FRAG_ATTRIB_COL1]);
	}

	if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_FOG)) {
	const GLint emit = ctx->FragmentProgram._Current ? EMIT_4F : EMIT_1F;
	EMIT_ATTR( _TNL_ATTRIB_FOG, emit, attrib[FRAG_ATTRIB_FOGC]);
	}

	if (index_bitset & BITFIELD64_RANGE(_TNL_ATTRIB_TEX0, _TNL_NUM_TEX))
	{
	for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
	if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_TEX(i))) {
	EMIT_ATTR( _TNL_ATTRIB_TEX(i), EMIT_4F,
	attrib[FRAG_ATTRIB_TEX0 + i] );
	}
	}
	}

	/* shader varying vars */
	if (index_bitset & BITFIELD64_RANGE(_TNL_ATTRIB_GENERIC0, _TNL_NUM_GENERIC)) {
	for (i = 0; i < ctx->Const.MaxVarying; i++) {
	if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_GENERIC(i))) {
	EMIT_ATTR( _TNL_ATTRIB_GENERIC(i), VARYING_EMIT_STYLE,
	attrib[FRAG_ATTRIB_VAR0 + i] );
	}
	}
	}

	if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_POINTSIZE))
	EMIT_ATTR( _TNL_ATTRIB_POINTSIZE, EMIT_1F, pointSize );

	_tnl_install_attrs( ctx, map, e,
	ctx->Viewport._WindowMap.m,
	sizeof(SWvertex) );

	swsetup->last_index_bitset = index_bitset;
	}
	}


	/**
	* Prepare to render a vertex buffer.
	* Called via tnl->Driver.Render.Start.
	*/
	static void
	_swsetup_RenderStart( struct gl_context *ctx )
	{
	SScontext *swsetup = SWSETUP_CONTEXT(ctx);
	TNLcontext *tnl = TNL_CONTEXT(ctx);
	struct vertex_buffer *VB = &tnl->vb;

	if (swsetup->NewState & _SWSETUP_NEW_RENDERINDEX) {
	_swsetup_choose_trifuncs(ctx);
	}

	if (swsetup->NewState & _NEW_PROGRAM) {
	swsetup->last_index_bitset = 0;
	}

	swsetup->NewState = 0;

	/* This will change if drawing unfilled tris */
	_swrast_SetFacing(ctx, 0);

	_swrast_render_start(ctx);

	/* Important */
	VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;

	setup_vertex_format(ctx);
	}


	/*
	* We patch this function into tnl->Driver.Render.Finish.
	* It's called when we finish rendering a vertex buffer.
	*/
	static void
	_swsetup_RenderFinish( struct gl_context *ctx )
	{
	_swrast_render_finish( ctx );
	}

	void
	_swsetup_InvalidateState( struct gl_context *ctx, GLuint new_state )
	{
	SScontext *swsetup = SWSETUP_CONTEXT(ctx);
	swsetup->NewState \|= new_state;
	_tnl_invalidate_vertex_state( ctx, new_state );
	}


	void
	_swsetup_Wakeup( struct gl_context *ctx )
	{
	TNLcontext *tnl = TNL_CONTEXT(ctx);
	SScontext *swsetup = SWSETUP_CONTEXT(ctx);

	tnl->Driver.Render.Start = _swsetup_RenderStart;
	tnl->Driver.Render.Finish = _swsetup_RenderFinish;
	tnl->Driver.Render.PrimitiveNotify = _swsetup_RenderPrimitive;
	tnl->Driver.Render.Interp = _tnl_interp;
	tnl->Driver.Render.CopyPV = _tnl_copy_pv;
	tnl->Driver.Render.ClippedPolygon = _tnl_RenderClippedPolygon; /* new */
	tnl->Driver.Render.ClippedLine = _tnl_RenderClippedLine; /* new */
	/* points */
	/* line */
	/* triangle */
	/* quad */
	tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
	tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
	tnl->Driver.Render.ResetLineStipple = _swrast_ResetLineStipple;
	tnl->Driver.Render.BuildVertices = _tnl_build_vertices;
	tnl->Driver.Render.Multipass = 0;

	_tnl_invalidate_vertices( ctx, ~0 );
	_tnl_need_projected_coords( ctx, GL_TRUE );
	_swsetup_InvalidateState( ctx, ~0 );

	swsetup->verts = (SWvertex *)tnl->clipspace.vertex_buf;
	swsetup->last_index_bitset = 0;
	}


	/**
	* Populate a swrast SWvertex from an attrib-style vertex.
	*/
	void
	_swsetup_Translate( struct gl_context ctx, const void vertex, SWvertex *dest )
	{
	const GLfloat *m = ctx->Viewport._WindowMap.m;
	GLfloat tmp[4];
	GLuint i;

	_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_POS, tmp );

	dest->attrib[FRAG_ATTRIB_WPOS][0] = m[0] * tmp[0] + m[12];
	dest->attrib[FRAG_ATTRIB_WPOS][1] = m[5] * tmp[1] + m[13];
	dest->attrib[FRAG_ATTRIB_WPOS][2] = m[10] * tmp[2] + m[14];
	dest->attrib[FRAG_ATTRIB_WPOS][3] = tmp[3];

	/** XXX try to limit these loops someday */
	for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++)
	_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_TEX0 + i,
	dest->attrib[FRAG_ATTRIB_TEX0 + i] );

	for (i = 0 ; i < ctx->Const.MaxVarying ; i++)
	_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_GENERIC0 + i,
	dest->attrib[FRAG_ATTRIB_VAR0 + i] );

	_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_COLOR0,
	dest->attrib[FRAG_ATTRIB_COL0] );
	UNCLAMPED_FLOAT_TO_RGBA_CHAN( dest->color, tmp );

	_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_COLOR1,
	dest->attrib[FRAG_ATTRIB_COL1]);

	_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_FOG, tmp );
	dest->attrib[FRAG_ATTRIB_FOGC][0] = tmp[0];

	/* XXX See _tnl_get_attr about pointsize ... */
	_tnl_get_attr( ctx, vertex, _TNL_ATTRIB_POINTSIZE, tmp );
	dest->pointSize = tmp[0];
	}