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/*
* Mesa 3-D graphics library
* Version: 3.5
*
* Copyright (C) 1999-2001 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 <keithw@valinux.com>
*/
#include "glheader.h"
#include "macros.h"
#include "swrast/swrast.h"
#include "tnl/t_context.h"
#include "math/m_vector.h"
#include "ss_context.h"
#include "ss_vb.h"
/* Provides a RasterSetup function which prebuilds vertices for the
* software rasterizer. This is required for the triangle functions
* in this module, but not the rest of the swrast module.
*/
typedef void (*SetupFunc)( GLcontext *ctx,
GLuint start, GLuint end, GLuint newinputs );
#define COLOR 0x1
#define INDEX 0x2
#define TEX0 0x4
#define MULTITEX 0x8
#define SPEC 0x10
#define FOG 0x20
#define POINT 0x40
#define MAX_SETUPFUNC 0x80
static SetupFunc setup_func[MAX_SETUPFUNC];
#define IND (0)
#define TAG(x) x##_none
#include "ss_vbtmp.h"
#define IND (COLOR)
#define TAG(x) x##_color
#include "ss_vbtmp.h"
#define IND (COLOR|SPEC)
#define TAG(x) x##_color_spec
#include "ss_vbtmp.h"
#define IND (COLOR|FOG)
#define TAG(x) x##_color_fog
#include "ss_vbtmp.h"
#define IND (COLOR|SPEC|FOG)
#define TAG(x) x##_color_spec_fog
#include "ss_vbtmp.h"
#define IND (COLOR|TEX0)
#define TAG(x) x##_color_tex0
#include "ss_vbtmp.h"
#define IND (COLOR|TEX0|SPEC)
#define TAG(x) x##_color_tex0_spec
#include "ss_vbtmp.h"
#define IND (COLOR|TEX0|FOG)
#define TAG(x) x##_color_tex0_fog
#include "ss_vbtmp.h"
#define IND (COLOR|TEX0|SPEC|FOG)
#define TAG(x) x##_color_tex0_spec_fog
#include "ss_vbtmp.h"
#define IND (COLOR|MULTITEX)
#define TAG(x) x##_color_multitex
#include "ss_vbtmp.h"
#define IND (COLOR|MULTITEX|SPEC)
#define TAG(x) x##_color_multitex_spec
#include "ss_vbtmp.h"
#define IND (COLOR|MULTITEX|FOG)
#define TAG(x) x##_color_multitex_fog
#include "ss_vbtmp.h"
#define IND (COLOR|MULTITEX|SPEC|FOG)
#define TAG(x) x##_color_multitex_spec_fog
#include "ss_vbtmp.h"
#define IND (COLOR|POINT)
#define TAG(x) x##_color_point
#include "ss_vbtmp.h"
#define IND (COLOR|SPEC|POINT)
#define TAG(x) x##_color_spec_point
#include "ss_vbtmp.h"
#define IND (COLOR|FOG|POINT)
#define TAG(x) x##_color_fog_point
#include "ss_vbtmp.h"
#define IND (COLOR|SPEC|FOG|POINT)
#define TAG(x) x##_color_spec_fog_point
#include "ss_vbtmp.h"
#define IND (COLOR|TEX0|POINT)
#define TAG(x) x##_color_tex0_point
#include "ss_vbtmp.h"
#define IND (COLOR|TEX0|SPEC|POINT)
#define TAG(x) x##_color_tex0_spec_point
#include "ss_vbtmp.h"
#define IND (COLOR|TEX0|FOG|POINT)
#define TAG(x) x##_color_tex0_fog_point
#include "ss_vbtmp.h"
#define IND (COLOR|TEX0|SPEC|FOG|POINT)
#define TAG(x) x##_color_tex0_spec_fog_point
#include "ss_vbtmp.h"
#define IND (COLOR|MULTITEX|POINT)
#define TAG(x) x##_color_multitex_point
#include "ss_vbtmp.h"
#define IND (COLOR|MULTITEX|SPEC|POINT)
#define TAG(x) x##_color_multitex_spec_point
#include "ss_vbtmp.h"
#define IND (COLOR|MULTITEX|FOG|POINT)
#define TAG(x) x##_color_multitex_fog_point
#include "ss_vbtmp.h"
#define IND (COLOR|MULTITEX|SPEC|FOG|POINT)
#define TAG(x) x##_color_multitex_spec_fog_point
#include "ss_vbtmp.h"
#define IND (INDEX)
#define TAG(x) x##_index
#include "ss_vbtmp.h"
#define IND (INDEX|TEX0)
#define TAG(x) x##_index_tex0
#include "ss_vbtmp.h"
#define IND (INDEX|FOG)
#define TAG(x) x##_index_fog
#include "ss_vbtmp.h"
#define IND (INDEX|TEX0|FOG)
#define TAG(x) x##_index_tex0_fog
#include "ss_vbtmp.h"
#define IND (INDEX|POINT)
#define TAG(x) x##_index_point
#include "ss_vbtmp.h"
#define IND (INDEX|TEX0|POINT)
#define TAG(x) x##_index_tex0_point
#include "ss_vbtmp.h"
#define IND (INDEX|FOG|POINT)
#define TAG(x) x##_index_fog_point
#include "ss_vbtmp.h"
#define IND (INDEX|TEX0|FOG|POINT)
#define TAG(x) x##_index_tex0_fog_point
#include "ss_vbtmp.h"
static void
rs_invalid( GLcontext *ctx, GLuint start, GLuint end, GLuint newinputs )
{
fprintf(stderr, "swrast_setup: invalid setup function\n");
(void) (ctx && start && end && newinputs);
}
void
_swsetup_vb_init( GLcontext *ctx )
{
int i;
(void) ctx;
for (i = 0 ; i < Elements(setup_func) ; i++)
setup_func[i] = rs_invalid;
setup_func[0] = rs_none;
setup_func[COLOR] = rs_color;
setup_func[COLOR|SPEC] = rs_color_spec;
setup_func[COLOR|FOG] = rs_color_fog;
setup_func[COLOR|SPEC|FOG] = rs_color_spec_fog;
setup_func[COLOR|TEX0] = rs_color_tex0;
setup_func[COLOR|TEX0|SPEC] = rs_color_tex0_spec;
setup_func[COLOR|TEX0|FOG] = rs_color_tex0_fog;
setup_func[COLOR|TEX0|SPEC|FOG] = rs_color_tex0_spec_fog;
setup_func[COLOR|MULTITEX] = rs_color_multitex;
setup_func[COLOR|MULTITEX|SPEC] = rs_color_multitex_spec;
setup_func[COLOR|MULTITEX|FOG] = rs_color_multitex_fog;
setup_func[COLOR|MULTITEX|SPEC|FOG] = rs_color_multitex_spec_fog;
setup_func[COLOR|POINT] = rs_color_point;
setup_func[COLOR|SPEC|POINT] = rs_color_spec_point;
setup_func[COLOR|FOG|POINT] = rs_color_fog_point;
setup_func[COLOR|SPEC|FOG|POINT] = rs_color_spec_fog_point;
setup_func[COLOR|TEX0|POINT] = rs_color_tex0_point;
setup_func[COLOR|TEX0|SPEC|POINT] = rs_color_tex0_spec_point;
setup_func[COLOR|TEX0|FOG|POINT] = rs_color_tex0_fog_point;
setup_func[COLOR|TEX0|SPEC|FOG|POINT] = rs_color_tex0_spec_fog_point;
setup_func[COLOR|MULTITEX|POINT] = rs_color_multitex_point;
setup_func[COLOR|MULTITEX|SPEC|POINT] = rs_color_multitex_spec_point;
setup_func[COLOR|MULTITEX|FOG|POINT] = rs_color_multitex_fog_point;
setup_func[COLOR|MULTITEX|SPEC|FOG|POINT] = rs_color_multitex_spec_fog_point;
setup_func[INDEX] = rs_index;
setup_func[INDEX|TEX0] = rs_index_tex0;
setup_func[INDEX|FOG] = rs_index_fog;
setup_func[INDEX|TEX0|FOG] = rs_index_tex0_fog;
setup_func[INDEX|POINT] = rs_index_point;
setup_func[INDEX|TEX0|POINT] = rs_index_tex0_point;
setup_func[INDEX|FOG|POINT] = rs_index_fog_point;
setup_func[INDEX|TEX0|FOG|POINT] = rs_index_tex0_fog_point;
}
static void printSetupFlags(char *msg, GLuint flags )
{
fprintf(stderr, "%s(%x): %s%s%s%s%s%s%s\n",
msg,
(int)flags,
(flags & COLOR) ? "color, " : "",
(flags & INDEX) ? "index, " : "",
(flags & TEX0) ? "tex0, " : "",
(flags & MULTITEX) ? "multitex, " : "",
(flags & SPEC) ? "spec, " : "",
(flags & FOG) ? "fog, " : "",
(flags & POINT) ? "point, " : "");
}
void
_swsetup_choose_rastersetup_func(GLcontext *ctx)
{
SScontext *swsetup = SWSETUP_CONTEXT(ctx);
int funcindex = 0;
if (ctx->RenderMode == GL_RENDER) {
if (ctx->Visual.rgbMode) {
funcindex = COLOR;
if (ctx->Texture._ReallyEnabled & ~0xf)
funcindex |= MULTITEX;
else if (ctx->Texture._ReallyEnabled & 0xf)
funcindex |= TEX0;
if (ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR ||
ctx->Fog.ColorSumEnabled)
funcindex |= SPEC;
}
else {
funcindex = INDEX;
}
if (ctx->Point._Attenuated)
funcindex |= POINT;
if (ctx->Fog.Enabled)
funcindex |= FOG;
}
else if (ctx->RenderMode == GL_FEEDBACK) {
if (ctx->Visual.rgbMode)
funcindex = (COLOR | TEX0); /* is feedback color subject to fogging? */
else
funcindex = (INDEX | TEX0);
}
else
funcindex = 0;
/* printSetupFlags("software setup func", funcindex); */
swsetup->BuildProjVerts = setup_func[funcindex];
ASSERT(setup_func[funcindex] != rs_invalid);
}
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