mirror of
https://github.com/Q3Rally-Team/q3rally.git
synced 2024-11-24 21:01:34 +00:00
866aa787cf
Update to ioquake3 revision 3306 from 1951 of the ioq3 Github repo via subversion. Over 4 years of changes.
1522 lines
36 KiB
C
1522 lines
36 KiB
C
/*
|
|
===========================================================================
|
|
Copyright (C) 1999-2005 Id Software, Inc.
|
|
|
|
This file is part of Quake III Arena source code.
|
|
|
|
Quake III Arena source code is free software; you can redistribute it
|
|
and/or modify it under the terms of the GNU General Public License as
|
|
published by the Free Software Foundation; either version 2 of the License,
|
|
or (at your option) any later version.
|
|
|
|
Quake III Arena source code is distributed in the hope that it will be
|
|
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Quake III Arena source code; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
===========================================================================
|
|
*/
|
|
// tr_shade.c
|
|
|
|
#include "tr_local.h"
|
|
#if idppc_altivec && !defined(__APPLE__)
|
|
#include <altivec.h>
|
|
#endif
|
|
|
|
/*
|
|
|
|
THIS ENTIRE FILE IS BACK END
|
|
|
|
This file deals with applying shaders to surface data in the tess struct.
|
|
*/
|
|
|
|
/*
|
|
================
|
|
R_ArrayElementDiscrete
|
|
|
|
This is just for OpenGL conformance testing, it should never be the fastest
|
|
================
|
|
*/
|
|
static void APIENTRY R_ArrayElementDiscrete( GLint index ) {
|
|
qglColor4ubv( tess.svars.colors[ index ] );
|
|
if ( glState.currenttmu ) {
|
|
qglMultiTexCoord2fARB( 0, tess.svars.texcoords[ 0 ][ index ][0], tess.svars.texcoords[ 0 ][ index ][1] );
|
|
qglMultiTexCoord2fARB( 1, tess.svars.texcoords[ 1 ][ index ][0], tess.svars.texcoords[ 1 ][ index ][1] );
|
|
} else {
|
|
qglTexCoord2fv( tess.svars.texcoords[ 0 ][ index ] );
|
|
}
|
|
qglVertex3fv( tess.xyz[ index ] );
|
|
}
|
|
|
|
/*
|
|
===================
|
|
R_DrawStripElements
|
|
|
|
===================
|
|
*/
|
|
static int c_vertexes; // for seeing how long our average strips are
|
|
static int c_begins;
|
|
static void R_DrawStripElements( int numIndexes, const glIndex_t *indexes, void ( APIENTRY *element )(GLint) ) {
|
|
int i;
|
|
int last[3] = { -1, -1, -1 };
|
|
qboolean even;
|
|
|
|
c_begins++;
|
|
|
|
if ( numIndexes <= 0 ) {
|
|
return;
|
|
}
|
|
|
|
qglBegin( GL_TRIANGLE_STRIP );
|
|
|
|
// prime the strip
|
|
element( indexes[0] );
|
|
element( indexes[1] );
|
|
element( indexes[2] );
|
|
c_vertexes += 3;
|
|
|
|
last[0] = indexes[0];
|
|
last[1] = indexes[1];
|
|
last[2] = indexes[2];
|
|
|
|
even = qfalse;
|
|
|
|
for ( i = 3; i < numIndexes; i += 3 )
|
|
{
|
|
// odd numbered triangle in potential strip
|
|
if ( !even )
|
|
{
|
|
// check previous triangle to see if we're continuing a strip
|
|
if ( ( indexes[i+0] == last[2] ) && ( indexes[i+1] == last[1] ) )
|
|
{
|
|
element( indexes[i+2] );
|
|
c_vertexes++;
|
|
assert( indexes[i+2] < tess.numVertexes );
|
|
even = qtrue;
|
|
}
|
|
// otherwise we're done with this strip so finish it and start
|
|
// a new one
|
|
else
|
|
{
|
|
qglEnd();
|
|
|
|
qglBegin( GL_TRIANGLE_STRIP );
|
|
c_begins++;
|
|
|
|
element( indexes[i+0] );
|
|
element( indexes[i+1] );
|
|
element( indexes[i+2] );
|
|
|
|
c_vertexes += 3;
|
|
|
|
even = qfalse;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// check previous triangle to see if we're continuing a strip
|
|
if ( ( last[2] == indexes[i+1] ) && ( last[0] == indexes[i+0] ) )
|
|
{
|
|
element( indexes[i+2] );
|
|
c_vertexes++;
|
|
|
|
even = qfalse;
|
|
}
|
|
// otherwise we're done with this strip so finish it and start
|
|
// a new one
|
|
else
|
|
{
|
|
qglEnd();
|
|
|
|
qglBegin( GL_TRIANGLE_STRIP );
|
|
c_begins++;
|
|
|
|
element( indexes[i+0] );
|
|
element( indexes[i+1] );
|
|
element( indexes[i+2] );
|
|
c_vertexes += 3;
|
|
|
|
even = qfalse;
|
|
}
|
|
}
|
|
|
|
// cache the last three vertices
|
|
last[0] = indexes[i+0];
|
|
last[1] = indexes[i+1];
|
|
last[2] = indexes[i+2];
|
|
}
|
|
|
|
qglEnd();
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
==================
|
|
R_DrawElements
|
|
|
|
Optionally performs our own glDrawElements that looks for strip conditions
|
|
instead of using the single glDrawElements call that may be inefficient
|
|
without compiled vertex arrays.
|
|
==================
|
|
*/
|
|
static void R_DrawElements( int numIndexes, const glIndex_t *indexes ) {
|
|
int primitives;
|
|
|
|
primitives = r_primitives->integer;
|
|
|
|
// default is to use triangles if compiled vertex arrays are present
|
|
if ( primitives == 0 ) {
|
|
if ( qglLockArraysEXT ) {
|
|
primitives = 2;
|
|
} else {
|
|
primitives = 1;
|
|
}
|
|
}
|
|
|
|
|
|
if ( primitives == 2 ) {
|
|
qglDrawElements( GL_TRIANGLES,
|
|
numIndexes,
|
|
GL_INDEX_TYPE,
|
|
indexes );
|
|
return;
|
|
}
|
|
|
|
if ( primitives == 1 ) {
|
|
R_DrawStripElements( numIndexes, indexes, qglArrayElement );
|
|
return;
|
|
}
|
|
|
|
if ( primitives == 3 ) {
|
|
R_DrawStripElements( numIndexes, indexes, R_ArrayElementDiscrete );
|
|
return;
|
|
}
|
|
|
|
// anything else will cause no drawing
|
|
}
|
|
|
|
|
|
/*
|
|
=============================================================
|
|
|
|
SURFACE SHADERS
|
|
|
|
=============================================================
|
|
*/
|
|
|
|
shaderCommands_t tess;
|
|
static qboolean setArraysOnce;
|
|
|
|
/*
|
|
=================
|
|
R_BindAnimatedImage
|
|
|
|
=================
|
|
*/
|
|
static void R_BindAnimatedImage( textureBundle_t *bundle ) {
|
|
int index;
|
|
|
|
if ( bundle->isVideoMap ) {
|
|
ri.CIN_RunCinematic(bundle->videoMapHandle);
|
|
ri.CIN_UploadCinematic(bundle->videoMapHandle);
|
|
return;
|
|
}
|
|
|
|
if ( bundle->numImageAnimations <= 1 ) {
|
|
GL_Bind( bundle->image[0] );
|
|
return;
|
|
}
|
|
|
|
// it is necessary to do this messy calc to make sure animations line up
|
|
// exactly with waveforms of the same frequency
|
|
index = ri.ftol(tess.shaderTime * bundle->imageAnimationSpeed * FUNCTABLE_SIZE);
|
|
index >>= FUNCTABLE_SIZE2;
|
|
|
|
if ( index < 0 ) {
|
|
index = 0; // may happen with shader time offsets
|
|
}
|
|
index %= bundle->numImageAnimations;
|
|
|
|
GL_Bind( bundle->image[ index ] );
|
|
}
|
|
|
|
/*
|
|
================
|
|
DrawTris
|
|
|
|
Draws triangle outlines for debugging
|
|
================
|
|
*/
|
|
static void DrawTris (shaderCommands_t *input) {
|
|
GL_Bind( tr.whiteImage );
|
|
qglColor3f (1,1,1);
|
|
|
|
GL_State( GLS_POLYMODE_LINE | GLS_DEPTHMASK_TRUE );
|
|
qglDepthRange( 0, 0 );
|
|
|
|
qglDisableClientState (GL_COLOR_ARRAY);
|
|
qglDisableClientState (GL_TEXTURE_COORD_ARRAY);
|
|
|
|
qglVertexPointer (3, GL_FLOAT, 16, input->xyz); // padded for SIMD
|
|
|
|
if (qglLockArraysEXT) {
|
|
qglLockArraysEXT(0, input->numVertexes);
|
|
GLimp_LogComment( "glLockArraysEXT\n" );
|
|
}
|
|
|
|
R_DrawElements( input->numIndexes, input->indexes );
|
|
|
|
if (qglUnlockArraysEXT) {
|
|
qglUnlockArraysEXT();
|
|
GLimp_LogComment( "glUnlockArraysEXT\n" );
|
|
}
|
|
qglDepthRange( 0, 1 );
|
|
}
|
|
|
|
|
|
/*
|
|
================
|
|
DrawNormals
|
|
|
|
Draws vertex normals for debugging
|
|
================
|
|
*/
|
|
static void DrawNormals (shaderCommands_t *input) {
|
|
int i;
|
|
vec3_t temp;
|
|
|
|
GL_Bind( tr.whiteImage );
|
|
qglColor3f (1,1,1);
|
|
qglDepthRange( 0, 0 ); // never occluded
|
|
GL_State( GLS_POLYMODE_LINE | GLS_DEPTHMASK_TRUE );
|
|
|
|
qglBegin (GL_LINES);
|
|
for (i = 0 ; i < input->numVertexes ; i++) {
|
|
qglVertex3fv (input->xyz[i]);
|
|
VectorMA (input->xyz[i], 2, input->normal[i], temp);
|
|
qglVertex3fv (temp);
|
|
}
|
|
qglEnd ();
|
|
|
|
qglDepthRange( 0, 1 );
|
|
}
|
|
|
|
/*
|
|
==============
|
|
RB_BeginSurface
|
|
|
|
We must set some things up before beginning any tesselation,
|
|
because a surface may be forced to perform a RB_End due
|
|
to overflow.
|
|
==============
|
|
*/
|
|
void RB_BeginSurface( shader_t *shader, int fogNum ) {
|
|
|
|
shader_t *state = (shader->remappedShader) ? shader->remappedShader : shader;
|
|
|
|
tess.numIndexes = 0;
|
|
tess.numVertexes = 0;
|
|
tess.shader = state;
|
|
tess.fogNum = fogNum;
|
|
tess.dlightBits = 0; // will be OR'd in by surface functions
|
|
tess.xstages = state->stages;
|
|
tess.numPasses = state->numUnfoggedPasses;
|
|
tess.currentStageIteratorFunc = state->optimalStageIteratorFunc;
|
|
|
|
tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
|
|
if (tess.shader->clampTime && tess.shaderTime >= tess.shader->clampTime) {
|
|
tess.shaderTime = tess.shader->clampTime;
|
|
}
|
|
|
|
|
|
}
|
|
|
|
/*
|
|
===================
|
|
DrawMultitextured
|
|
|
|
output = t0 * t1 or t0 + t1
|
|
|
|
t0 = most upstream according to spec
|
|
t1 = most downstream according to spec
|
|
===================
|
|
*/
|
|
static void DrawMultitextured( shaderCommands_t *input, int stage ) {
|
|
shaderStage_t *pStage;
|
|
|
|
pStage = tess.xstages[stage];
|
|
|
|
GL_State( pStage->stateBits );
|
|
|
|
// this is an ugly hack to work around a GeForce driver
|
|
// bug with multitexture and clip planes
|
|
if ( backEnd.viewParms.isPortal ) {
|
|
qglPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
|
|
}
|
|
|
|
//
|
|
// base
|
|
//
|
|
GL_SelectTexture( 0 );
|
|
qglTexCoordPointer( 2, GL_FLOAT, 0, input->svars.texcoords[0] );
|
|
R_BindAnimatedImage( &pStage->bundle[0] );
|
|
|
|
//
|
|
// lightmap/secondary pass
|
|
//
|
|
GL_SelectTexture( 1 );
|
|
qglEnable( GL_TEXTURE_2D );
|
|
qglEnableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
|
|
if ( r_lightmap->integer ) {
|
|
GL_TexEnv( GL_REPLACE );
|
|
} else {
|
|
GL_TexEnv( tess.shader->multitextureEnv );
|
|
}
|
|
|
|
qglTexCoordPointer( 2, GL_FLOAT, 0, input->svars.texcoords[1] );
|
|
|
|
R_BindAnimatedImage( &pStage->bundle[1] );
|
|
|
|
R_DrawElements( input->numIndexes, input->indexes );
|
|
|
|
//
|
|
// disable texturing on TEXTURE1, then select TEXTURE0
|
|
//
|
|
//qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
qglDisable( GL_TEXTURE_2D );
|
|
|
|
GL_SelectTexture( 0 );
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
===================
|
|
ProjectDlightTexture
|
|
|
|
Perform dynamic lighting with another rendering pass
|
|
===================
|
|
*/
|
|
#if idppc_altivec
|
|
static void ProjectDlightTexture_altivec( void ) {
|
|
int i, l;
|
|
vec_t origin0, origin1, origin2;
|
|
float texCoords0, texCoords1;
|
|
vector float floatColorVec0, floatColorVec1;
|
|
vector float modulateVec, colorVec, zero;
|
|
vector short colorShort;
|
|
vector signed int colorInt;
|
|
vector unsigned char floatColorVecPerm, modulatePerm, colorChar;
|
|
vector unsigned char vSel = VECCONST_UINT8(0x00, 0x00, 0x00, 0xff,
|
|
0x00, 0x00, 0x00, 0xff,
|
|
0x00, 0x00, 0x00, 0xff,
|
|
0x00, 0x00, 0x00, 0xff);
|
|
float *texCoords;
|
|
byte *colors;
|
|
byte clipBits[SHADER_MAX_VERTEXES];
|
|
float texCoordsArray[SHADER_MAX_VERTEXES][2];
|
|
byte colorArray[SHADER_MAX_VERTEXES][4];
|
|
glIndex_t hitIndexes[SHADER_MAX_INDEXES];
|
|
int numIndexes;
|
|
float scale;
|
|
float radius;
|
|
vec3_t floatColor;
|
|
float modulate = 0.0f;
|
|
|
|
if ( !backEnd.refdef.num_dlights ) {
|
|
return;
|
|
}
|
|
|
|
// There has to be a better way to do this so that floatColor
|
|
// and/or modulate are already 16-byte aligned.
|
|
floatColorVecPerm = vec_lvsl(0,(float *)floatColor);
|
|
modulatePerm = vec_lvsl(0,(float *)&modulate);
|
|
modulatePerm = (vector unsigned char)vec_splat((vector unsigned int)modulatePerm,0);
|
|
zero = (vector float)vec_splat_s8(0);
|
|
|
|
for ( l = 0 ; l < backEnd.refdef.num_dlights ; l++ ) {
|
|
dlight_t *dl;
|
|
|
|
if ( !( tess.dlightBits & ( 1 << l ) ) ) {
|
|
continue; // this surface definately doesn't have any of this light
|
|
}
|
|
texCoords = texCoordsArray[0];
|
|
colors = colorArray[0];
|
|
|
|
dl = &backEnd.refdef.dlights[l];
|
|
origin0 = dl->transformed[0];
|
|
origin1 = dl->transformed[1];
|
|
origin2 = dl->transformed[2];
|
|
radius = dl->radius;
|
|
scale = 1.0f / radius;
|
|
|
|
if(r_greyscale->integer)
|
|
{
|
|
float luminance;
|
|
|
|
luminance = LUMA(dl->color[0], dl->color[1], dl->color[2]) * 255.0f;
|
|
floatColor[0] = floatColor[1] = floatColor[2] = luminance;
|
|
}
|
|
else if(r_greyscale->value)
|
|
{
|
|
float luminance;
|
|
|
|
luminance = LUMA(dl->color[0], dl->color[1], dl->color[2]) * 255.0f;
|
|
floatColor[0] = LERP(dl->color[0] * 255.0f, luminance, r_greyscale->value);
|
|
floatColor[1] = LERP(dl->color[1] * 255.0f, luminance, r_greyscale->value);
|
|
floatColor[2] = LERP(dl->color[2] * 255.0f, luminance, r_greyscale->value);
|
|
}
|
|
else
|
|
{
|
|
floatColor[0] = dl->color[0] * 255.0f;
|
|
floatColor[1] = dl->color[1] * 255.0f;
|
|
floatColor[2] = dl->color[2] * 255.0f;
|
|
}
|
|
floatColorVec0 = vec_ld(0, floatColor);
|
|
floatColorVec1 = vec_ld(11, floatColor);
|
|
floatColorVec0 = vec_perm(floatColorVec0,floatColorVec0,floatColorVecPerm);
|
|
for ( i = 0 ; i < tess.numVertexes ; i++, texCoords += 2, colors += 4 ) {
|
|
int clip = 0;
|
|
vec_t dist0, dist1, dist2;
|
|
|
|
dist0 = origin0 - tess.xyz[i][0];
|
|
dist1 = origin1 - tess.xyz[i][1];
|
|
dist2 = origin2 - tess.xyz[i][2];
|
|
|
|
backEnd.pc.c_dlightVertexes++;
|
|
|
|
texCoords0 = 0.5f + dist0 * scale;
|
|
texCoords1 = 0.5f + dist1 * scale;
|
|
|
|
if( !r_dlightBacks->integer &&
|
|
// dist . tess.normal[i]
|
|
( dist0 * tess.normal[i][0] +
|
|
dist1 * tess.normal[i][1] +
|
|
dist2 * tess.normal[i][2] ) < 0.0f ) {
|
|
clip = 63;
|
|
} else {
|
|
if ( texCoords0 < 0.0f ) {
|
|
clip |= 1;
|
|
} else if ( texCoords0 > 1.0f ) {
|
|
clip |= 2;
|
|
}
|
|
if ( texCoords1 < 0.0f ) {
|
|
clip |= 4;
|
|
} else if ( texCoords1 > 1.0f ) {
|
|
clip |= 8;
|
|
}
|
|
texCoords[0] = texCoords0;
|
|
texCoords[1] = texCoords1;
|
|
|
|
// modulate the strength based on the height and color
|
|
if ( dist2 > radius ) {
|
|
clip |= 16;
|
|
modulate = 0.0f;
|
|
} else if ( dist2 < -radius ) {
|
|
clip |= 32;
|
|
modulate = 0.0f;
|
|
} else {
|
|
dist2 = Q_fabs(dist2);
|
|
if ( dist2 < radius * 0.5f ) {
|
|
modulate = 1.0f;
|
|
} else {
|
|
modulate = 2.0f * (radius - dist2) * scale;
|
|
}
|
|
}
|
|
}
|
|
clipBits[i] = clip;
|
|
|
|
modulateVec = vec_ld(0,(float *)&modulate);
|
|
modulateVec = vec_perm(modulateVec,modulateVec,modulatePerm);
|
|
colorVec = vec_madd(floatColorVec0,modulateVec,zero);
|
|
colorInt = vec_cts(colorVec,0); // RGBx
|
|
colorShort = vec_pack(colorInt,colorInt); // RGBxRGBx
|
|
colorChar = vec_packsu(colorShort,colorShort); // RGBxRGBxRGBxRGBx
|
|
colorChar = vec_sel(colorChar,vSel,vSel); // RGBARGBARGBARGBA replace alpha with 255
|
|
vec_ste((vector unsigned int)colorChar,0,(unsigned int *)colors); // store color
|
|
}
|
|
|
|
// build a list of triangles that need light
|
|
numIndexes = 0;
|
|
for ( i = 0 ; i < tess.numIndexes ; i += 3 ) {
|
|
int a, b, c;
|
|
|
|
a = tess.indexes[i];
|
|
b = tess.indexes[i+1];
|
|
c = tess.indexes[i+2];
|
|
if ( clipBits[a] & clipBits[b] & clipBits[c] ) {
|
|
continue; // not lighted
|
|
}
|
|
hitIndexes[numIndexes] = a;
|
|
hitIndexes[numIndexes+1] = b;
|
|
hitIndexes[numIndexes+2] = c;
|
|
numIndexes += 3;
|
|
}
|
|
|
|
if ( !numIndexes ) {
|
|
continue;
|
|
}
|
|
|
|
qglEnableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
qglTexCoordPointer( 2, GL_FLOAT, 0, texCoordsArray[0] );
|
|
|
|
qglEnableClientState( GL_COLOR_ARRAY );
|
|
qglColorPointer( 4, GL_UNSIGNED_BYTE, 0, colorArray );
|
|
|
|
GL_Bind( tr.dlightImage );
|
|
// include GLS_DEPTHFUNC_EQUAL so alpha tested surfaces don't add light
|
|
// where they aren't rendered
|
|
if ( dl->additive ) {
|
|
GL_State( GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE | GLS_DEPTHFUNC_EQUAL );
|
|
}
|
|
else {
|
|
GL_State( GLS_SRCBLEND_DST_COLOR | GLS_DSTBLEND_ONE | GLS_DEPTHFUNC_EQUAL );
|
|
}
|
|
R_DrawElements( numIndexes, hitIndexes );
|
|
backEnd.pc.c_totalIndexes += numIndexes;
|
|
backEnd.pc.c_dlightIndexes += numIndexes;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
|
|
static void ProjectDlightTexture_scalar( void ) {
|
|
int i, l;
|
|
vec3_t origin;
|
|
float *texCoords;
|
|
byte *colors;
|
|
byte clipBits[SHADER_MAX_VERTEXES];
|
|
float texCoordsArray[SHADER_MAX_VERTEXES][2];
|
|
byte colorArray[SHADER_MAX_VERTEXES][4];
|
|
glIndex_t hitIndexes[SHADER_MAX_INDEXES];
|
|
int numIndexes;
|
|
float scale;
|
|
float radius;
|
|
vec3_t floatColor;
|
|
float modulate = 0.0f;
|
|
|
|
if ( !backEnd.refdef.num_dlights ) {
|
|
return;
|
|
}
|
|
|
|
for ( l = 0 ; l < backEnd.refdef.num_dlights ; l++ ) {
|
|
dlight_t *dl;
|
|
|
|
if ( !( tess.dlightBits & ( 1 << l ) ) ) {
|
|
continue; // this surface definately doesn't have any of this light
|
|
}
|
|
texCoords = texCoordsArray[0];
|
|
colors = colorArray[0];
|
|
|
|
dl = &backEnd.refdef.dlights[l];
|
|
VectorCopy( dl->transformed, origin );
|
|
radius = dl->radius;
|
|
scale = 1.0f / radius;
|
|
|
|
if(r_greyscale->integer)
|
|
{
|
|
float luminance;
|
|
|
|
luminance = LUMA(dl->color[0], dl->color[1], dl->color[2]) * 255.0f;
|
|
floatColor[0] = floatColor[1] = floatColor[2] = luminance;
|
|
}
|
|
else if(r_greyscale->value)
|
|
{
|
|
float luminance;
|
|
|
|
luminance = LUMA(dl->color[0], dl->color[1], dl->color[2]) * 255.0f;
|
|
floatColor[0] = LERP(dl->color[0] * 255.0f, luminance, r_greyscale->value);
|
|
floatColor[1] = LERP(dl->color[1] * 255.0f, luminance, r_greyscale->value);
|
|
floatColor[2] = LERP(dl->color[2] * 255.0f, luminance, r_greyscale->value);
|
|
}
|
|
else
|
|
{
|
|
floatColor[0] = dl->color[0] * 255.0f;
|
|
floatColor[1] = dl->color[1] * 255.0f;
|
|
floatColor[2] = dl->color[2] * 255.0f;
|
|
}
|
|
|
|
for ( i = 0 ; i < tess.numVertexes ; i++, texCoords += 2, colors += 4 ) {
|
|
int clip = 0;
|
|
vec3_t dist;
|
|
|
|
VectorSubtract( origin, tess.xyz[i], dist );
|
|
|
|
backEnd.pc.c_dlightVertexes++;
|
|
|
|
texCoords[0] = 0.5f + dist[0] * scale;
|
|
texCoords[1] = 0.5f + dist[1] * scale;
|
|
|
|
if( !r_dlightBacks->integer &&
|
|
// dist . tess.normal[i]
|
|
( dist[0] * tess.normal[i][0] +
|
|
dist[1] * tess.normal[i][1] +
|
|
dist[2] * tess.normal[i][2] ) < 0.0f ) {
|
|
clip = 63;
|
|
} else {
|
|
if ( texCoords[0] < 0.0f ) {
|
|
clip |= 1;
|
|
} else if ( texCoords[0] > 1.0f ) {
|
|
clip |= 2;
|
|
}
|
|
if ( texCoords[1] < 0.0f ) {
|
|
clip |= 4;
|
|
} else if ( texCoords[1] > 1.0f ) {
|
|
clip |= 8;
|
|
}
|
|
texCoords[0] = texCoords[0];
|
|
texCoords[1] = texCoords[1];
|
|
|
|
// modulate the strength based on the height and color
|
|
if ( dist[2] > radius ) {
|
|
clip |= 16;
|
|
modulate = 0.0f;
|
|
} else if ( dist[2] < -radius ) {
|
|
clip |= 32;
|
|
modulate = 0.0f;
|
|
} else {
|
|
dist[2] = Q_fabs(dist[2]);
|
|
if ( dist[2] < radius * 0.5f ) {
|
|
modulate = 1.0f;
|
|
} else {
|
|
modulate = 2.0f * (radius - dist[2]) * scale;
|
|
}
|
|
}
|
|
}
|
|
clipBits[i] = clip;
|
|
colors[0] = ri.ftol(floatColor[0] * modulate);
|
|
colors[1] = ri.ftol(floatColor[1] * modulate);
|
|
colors[2] = ri.ftol(floatColor[2] * modulate);
|
|
colors[3] = 255;
|
|
}
|
|
|
|
// build a list of triangles that need light
|
|
numIndexes = 0;
|
|
for ( i = 0 ; i < tess.numIndexes ; i += 3 ) {
|
|
int a, b, c;
|
|
|
|
a = tess.indexes[i];
|
|
b = tess.indexes[i+1];
|
|
c = tess.indexes[i+2];
|
|
if ( clipBits[a] & clipBits[b] & clipBits[c] ) {
|
|
continue; // not lighted
|
|
}
|
|
hitIndexes[numIndexes] = a;
|
|
hitIndexes[numIndexes+1] = b;
|
|
hitIndexes[numIndexes+2] = c;
|
|
numIndexes += 3;
|
|
}
|
|
|
|
if ( !numIndexes ) {
|
|
continue;
|
|
}
|
|
|
|
qglEnableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
qglTexCoordPointer( 2, GL_FLOAT, 0, texCoordsArray[0] );
|
|
|
|
qglEnableClientState( GL_COLOR_ARRAY );
|
|
qglColorPointer( 4, GL_UNSIGNED_BYTE, 0, colorArray );
|
|
|
|
GL_Bind( tr.dlightImage );
|
|
// include GLS_DEPTHFUNC_EQUAL so alpha tested surfaces don't add light
|
|
// where they aren't rendered
|
|
if ( dl->additive ) {
|
|
GL_State( GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE | GLS_DEPTHFUNC_EQUAL );
|
|
}
|
|
else {
|
|
GL_State( GLS_SRCBLEND_DST_COLOR | GLS_DSTBLEND_ONE | GLS_DEPTHFUNC_EQUAL );
|
|
}
|
|
R_DrawElements( numIndexes, hitIndexes );
|
|
backEnd.pc.c_totalIndexes += numIndexes;
|
|
backEnd.pc.c_dlightIndexes += numIndexes;
|
|
}
|
|
}
|
|
|
|
static void ProjectDlightTexture( void ) {
|
|
#if idppc_altivec
|
|
if (com_altivec->integer) {
|
|
// must be in a seperate function or G3 systems will crash.
|
|
ProjectDlightTexture_altivec();
|
|
return;
|
|
}
|
|
#endif
|
|
ProjectDlightTexture_scalar();
|
|
}
|
|
|
|
|
|
/*
|
|
===================
|
|
RB_FogPass
|
|
|
|
Blends a fog texture on top of everything else
|
|
===================
|
|
*/
|
|
static void RB_FogPass( void ) {
|
|
fog_t *fog;
|
|
int i;
|
|
|
|
qglEnableClientState( GL_COLOR_ARRAY );
|
|
qglColorPointer( 4, GL_UNSIGNED_BYTE, 0, tess.svars.colors );
|
|
|
|
qglEnableClientState( GL_TEXTURE_COORD_ARRAY);
|
|
qglTexCoordPointer( 2, GL_FLOAT, 0, tess.svars.texcoords[0] );
|
|
|
|
fog = tr.world->fogs + tess.fogNum;
|
|
|
|
for ( i = 0; i < tess.numVertexes; i++ ) {
|
|
* ( int * )&tess.svars.colors[i] = fog->colorInt;
|
|
}
|
|
|
|
RB_CalcFogTexCoords( ( float * ) tess.svars.texcoords[0] );
|
|
|
|
GL_Bind( tr.fogImage );
|
|
|
|
if ( tess.shader->fogPass == FP_EQUAL ) {
|
|
GL_State( GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA | GLS_DEPTHFUNC_EQUAL );
|
|
} else {
|
|
GL_State( GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA );
|
|
}
|
|
|
|
R_DrawElements( tess.numIndexes, tess.indexes );
|
|
}
|
|
|
|
/*
|
|
===============
|
|
ComputeColors
|
|
===============
|
|
*/
|
|
static void ComputeColors( shaderStage_t *pStage )
|
|
{
|
|
int i;
|
|
|
|
//
|
|
// rgbGen
|
|
//
|
|
switch ( pStage->rgbGen )
|
|
{
|
|
case CGEN_IDENTITY:
|
|
Com_Memset( tess.svars.colors, 0xff, tess.numVertexes * 4 );
|
|
break;
|
|
default:
|
|
case CGEN_IDENTITY_LIGHTING:
|
|
Com_Memset( tess.svars.colors, tr.identityLightByte, tess.numVertexes * 4 );
|
|
break;
|
|
case CGEN_LIGHTING_DIFFUSE:
|
|
RB_CalcDiffuseColor( ( unsigned char * ) tess.svars.colors );
|
|
break;
|
|
case CGEN_EXACT_VERTEX:
|
|
Com_Memcpy( tess.svars.colors, tess.vertexColors, tess.numVertexes * sizeof( tess.vertexColors[0] ) );
|
|
break;
|
|
case CGEN_CONST:
|
|
for ( i = 0; i < tess.numVertexes; i++ ) {
|
|
*(int *)tess.svars.colors[i] = *(int *)pStage->constantColor;
|
|
}
|
|
break;
|
|
case CGEN_VERTEX:
|
|
if ( tr.identityLight == 1 )
|
|
{
|
|
Com_Memcpy( tess.svars.colors, tess.vertexColors, tess.numVertexes * sizeof( tess.vertexColors[0] ) );
|
|
}
|
|
else
|
|
{
|
|
for ( i = 0; i < tess.numVertexes; i++ )
|
|
{
|
|
tess.svars.colors[i][0] = tess.vertexColors[i][0] * tr.identityLight;
|
|
tess.svars.colors[i][1] = tess.vertexColors[i][1] * tr.identityLight;
|
|
tess.svars.colors[i][2] = tess.vertexColors[i][2] * tr.identityLight;
|
|
tess.svars.colors[i][3] = tess.vertexColors[i][3];
|
|
}
|
|
}
|
|
break;
|
|
case CGEN_ONE_MINUS_VERTEX:
|
|
if ( tr.identityLight == 1 )
|
|
{
|
|
for ( i = 0; i < tess.numVertexes; i++ )
|
|
{
|
|
tess.svars.colors[i][0] = 255 - tess.vertexColors[i][0];
|
|
tess.svars.colors[i][1] = 255 - tess.vertexColors[i][1];
|
|
tess.svars.colors[i][2] = 255 - tess.vertexColors[i][2];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for ( i = 0; i < tess.numVertexes; i++ )
|
|
{
|
|
tess.svars.colors[i][0] = ( 255 - tess.vertexColors[i][0] ) * tr.identityLight;
|
|
tess.svars.colors[i][1] = ( 255 - tess.vertexColors[i][1] ) * tr.identityLight;
|
|
tess.svars.colors[i][2] = ( 255 - tess.vertexColors[i][2] ) * tr.identityLight;
|
|
}
|
|
}
|
|
break;
|
|
case CGEN_FOG:
|
|
{
|
|
fog_t *fog;
|
|
|
|
fog = tr.world->fogs + tess.fogNum;
|
|
|
|
for ( i = 0; i < tess.numVertexes; i++ ) {
|
|
* ( int * )&tess.svars.colors[i] = fog->colorInt;
|
|
}
|
|
}
|
|
break;
|
|
case CGEN_WAVEFORM:
|
|
RB_CalcWaveColor( &pStage->rgbWave, ( unsigned char * ) tess.svars.colors );
|
|
break;
|
|
case CGEN_ENTITY:
|
|
RB_CalcColorFromEntity( ( unsigned char * ) tess.svars.colors );
|
|
break;
|
|
case CGEN_ONE_MINUS_ENTITY:
|
|
RB_CalcColorFromOneMinusEntity( ( unsigned char * ) tess.svars.colors );
|
|
break;
|
|
}
|
|
|
|
//
|
|
// alphaGen
|
|
//
|
|
switch ( pStage->alphaGen )
|
|
{
|
|
case AGEN_SKIP:
|
|
break;
|
|
case AGEN_IDENTITY:
|
|
if ( pStage->rgbGen != CGEN_IDENTITY ) {
|
|
if ( ( pStage->rgbGen == CGEN_VERTEX && tr.identityLight != 1 ) ||
|
|
pStage->rgbGen != CGEN_VERTEX ) {
|
|
for ( i = 0; i < tess.numVertexes; i++ ) {
|
|
tess.svars.colors[i][3] = 0xff;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case AGEN_CONST:
|
|
if ( pStage->rgbGen != CGEN_CONST ) {
|
|
for ( i = 0; i < tess.numVertexes; i++ ) {
|
|
tess.svars.colors[i][3] = pStage->constantColor[3];
|
|
}
|
|
}
|
|
break;
|
|
case AGEN_WAVEFORM:
|
|
RB_CalcWaveAlpha( &pStage->alphaWave, ( unsigned char * ) tess.svars.colors );
|
|
break;
|
|
case AGEN_LIGHTING_SPECULAR:
|
|
RB_CalcSpecularAlpha( ( unsigned char * ) tess.svars.colors );
|
|
break;
|
|
case AGEN_ENTITY:
|
|
RB_CalcAlphaFromEntity( ( unsigned char * ) tess.svars.colors );
|
|
break;
|
|
case AGEN_ONE_MINUS_ENTITY:
|
|
RB_CalcAlphaFromOneMinusEntity( ( unsigned char * ) tess.svars.colors );
|
|
break;
|
|
case AGEN_VERTEX:
|
|
if ( pStage->rgbGen != CGEN_VERTEX ) {
|
|
for ( i = 0; i < tess.numVertexes; i++ ) {
|
|
tess.svars.colors[i][3] = tess.vertexColors[i][3];
|
|
}
|
|
}
|
|
break;
|
|
case AGEN_ONE_MINUS_VERTEX:
|
|
for ( i = 0; i < tess.numVertexes; i++ )
|
|
{
|
|
tess.svars.colors[i][3] = 255 - tess.vertexColors[i][3];
|
|
}
|
|
break;
|
|
case AGEN_PORTAL:
|
|
{
|
|
unsigned char alpha;
|
|
|
|
for ( i = 0; i < tess.numVertexes; i++ )
|
|
{
|
|
float len;
|
|
vec3_t v;
|
|
|
|
VectorSubtract( tess.xyz[i], backEnd.viewParms.or.origin, v );
|
|
len = VectorLength( v );
|
|
|
|
len /= tess.shader->portalRange;
|
|
|
|
if ( len < 0 )
|
|
{
|
|
alpha = 0;
|
|
}
|
|
else if ( len > 1 )
|
|
{
|
|
alpha = 0xff;
|
|
}
|
|
else
|
|
{
|
|
alpha = len * 0xff;
|
|
}
|
|
|
|
tess.svars.colors[i][3] = alpha;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
//
|
|
// fog adjustment for colors to fade out as fog increases
|
|
//
|
|
if ( tess.fogNum )
|
|
{
|
|
switch ( pStage->adjustColorsForFog )
|
|
{
|
|
case ACFF_MODULATE_RGB:
|
|
RB_CalcModulateColorsByFog( ( unsigned char * ) tess.svars.colors );
|
|
break;
|
|
case ACFF_MODULATE_ALPHA:
|
|
RB_CalcModulateAlphasByFog( ( unsigned char * ) tess.svars.colors );
|
|
break;
|
|
case ACFF_MODULATE_RGBA:
|
|
RB_CalcModulateRGBAsByFog( ( unsigned char * ) tess.svars.colors );
|
|
break;
|
|
case ACFF_NONE:
|
|
break;
|
|
}
|
|
}
|
|
|
|
// if in greyscale rendering mode turn all color values into greyscale.
|
|
if(r_greyscale->integer)
|
|
{
|
|
int scale;
|
|
for(i = 0; i < tess.numVertexes; i++)
|
|
{
|
|
scale = LUMA(tess.svars.colors[i][0], tess.svars.colors[i][1], tess.svars.colors[i][2]);
|
|
tess.svars.colors[i][0] = tess.svars.colors[i][1] = tess.svars.colors[i][2] = scale;
|
|
}
|
|
}
|
|
else if(r_greyscale->value)
|
|
{
|
|
float scale;
|
|
|
|
for(i = 0; i < tess.numVertexes; i++)
|
|
{
|
|
scale = LUMA(tess.svars.colors[i][0], tess.svars.colors[i][1], tess.svars.colors[i][2]);
|
|
tess.svars.colors[i][0] = LERP(tess.svars.colors[i][0], scale, r_greyscale->value);
|
|
tess.svars.colors[i][1] = LERP(tess.svars.colors[i][1], scale, r_greyscale->value);
|
|
tess.svars.colors[i][2] = LERP(tess.svars.colors[i][2], scale, r_greyscale->value);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
ComputeTexCoords
|
|
===============
|
|
*/
|
|
static void ComputeTexCoords( shaderStage_t *pStage ) {
|
|
int i;
|
|
int b;
|
|
|
|
for ( b = 0; b < NUM_TEXTURE_BUNDLES; b++ ) {
|
|
int tm;
|
|
|
|
//
|
|
// generate the texture coordinates
|
|
//
|
|
switch ( pStage->bundle[b].tcGen )
|
|
{
|
|
case TCGEN_IDENTITY:
|
|
Com_Memset( tess.svars.texcoords[b], 0, sizeof( float ) * 2 * tess.numVertexes );
|
|
break;
|
|
case TCGEN_TEXTURE:
|
|
for ( i = 0 ; i < tess.numVertexes ; i++ ) {
|
|
tess.svars.texcoords[b][i][0] = tess.texCoords[i][0][0];
|
|
tess.svars.texcoords[b][i][1] = tess.texCoords[i][0][1];
|
|
}
|
|
break;
|
|
case TCGEN_LIGHTMAP:
|
|
for ( i = 0 ; i < tess.numVertexes ; i++ ) {
|
|
tess.svars.texcoords[b][i][0] = tess.texCoords[i][1][0];
|
|
tess.svars.texcoords[b][i][1] = tess.texCoords[i][1][1];
|
|
}
|
|
break;
|
|
case TCGEN_VECTOR:
|
|
for ( i = 0 ; i < tess.numVertexes ; i++ ) {
|
|
tess.svars.texcoords[b][i][0] = DotProduct( tess.xyz[i], pStage->bundle[b].tcGenVectors[0] );
|
|
tess.svars.texcoords[b][i][1] = DotProduct( tess.xyz[i], pStage->bundle[b].tcGenVectors[1] );
|
|
}
|
|
break;
|
|
case TCGEN_FOG:
|
|
RB_CalcFogTexCoords( ( float * ) tess.svars.texcoords[b] );
|
|
break;
|
|
case TCGEN_ENVIRONMENT_MAPPED:
|
|
RB_CalcEnvironmentTexCoords( ( float * ) tess.svars.texcoords[b] );
|
|
break;
|
|
case TCGEN_BAD:
|
|
return;
|
|
}
|
|
|
|
//
|
|
// alter texture coordinates
|
|
//
|
|
for ( tm = 0; tm < pStage->bundle[b].numTexMods ; tm++ ) {
|
|
switch ( pStage->bundle[b].texMods[tm].type )
|
|
{
|
|
case TMOD_NONE:
|
|
tm = TR_MAX_TEXMODS; // break out of for loop
|
|
break;
|
|
|
|
case TMOD_TURBULENT:
|
|
RB_CalcTurbulentTexCoords( &pStage->bundle[b].texMods[tm].wave,
|
|
( float * ) tess.svars.texcoords[b] );
|
|
break;
|
|
|
|
case TMOD_ENTITY_TRANSLATE:
|
|
RB_CalcScrollTexCoords( backEnd.currentEntity->e.shaderTexCoord,
|
|
( float * ) tess.svars.texcoords[b] );
|
|
break;
|
|
|
|
case TMOD_SCROLL:
|
|
RB_CalcScrollTexCoords( pStage->bundle[b].texMods[tm].scroll,
|
|
( float * ) tess.svars.texcoords[b] );
|
|
break;
|
|
|
|
case TMOD_SCALE:
|
|
RB_CalcScaleTexCoords( pStage->bundle[b].texMods[tm].scale,
|
|
( float * ) tess.svars.texcoords[b] );
|
|
break;
|
|
|
|
case TMOD_STRETCH:
|
|
RB_CalcStretchTexCoords( &pStage->bundle[b].texMods[tm].wave,
|
|
( float * ) tess.svars.texcoords[b] );
|
|
break;
|
|
|
|
case TMOD_TRANSFORM:
|
|
RB_CalcTransformTexCoords( &pStage->bundle[b].texMods[tm],
|
|
( float * ) tess.svars.texcoords[b] );
|
|
break;
|
|
|
|
case TMOD_ROTATE:
|
|
RB_CalcRotateTexCoords( pStage->bundle[b].texMods[tm].rotateSpeed,
|
|
( float * ) tess.svars.texcoords[b] );
|
|
break;
|
|
|
|
default:
|
|
ri.Error( ERR_DROP, "ERROR: unknown texmod '%d' in shader '%s'", pStage->bundle[b].texMods[tm].type, tess.shader->name );
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
** RB_IterateStagesGeneric
|
|
*/
|
|
static void RB_IterateStagesGeneric( shaderCommands_t *input )
|
|
{
|
|
int stage;
|
|
|
|
for ( stage = 0; stage < MAX_SHADER_STAGES; stage++ )
|
|
{
|
|
shaderStage_t *pStage = tess.xstages[stage];
|
|
|
|
if ( !pStage )
|
|
{
|
|
break;
|
|
}
|
|
|
|
ComputeColors( pStage );
|
|
ComputeTexCoords( pStage );
|
|
|
|
if ( !setArraysOnce )
|
|
{
|
|
qglEnableClientState( GL_COLOR_ARRAY );
|
|
qglColorPointer( 4, GL_UNSIGNED_BYTE, 0, input->svars.colors );
|
|
}
|
|
|
|
//
|
|
// do multitexture
|
|
//
|
|
if ( pStage->bundle[1].image[0] != 0 )
|
|
{
|
|
DrawMultitextured( input, stage );
|
|
}
|
|
else
|
|
{
|
|
if ( !setArraysOnce )
|
|
{
|
|
qglTexCoordPointer( 2, GL_FLOAT, 0, input->svars.texcoords[0] );
|
|
}
|
|
|
|
//
|
|
// set state
|
|
//
|
|
R_BindAnimatedImage( &pStage->bundle[0] );
|
|
|
|
GL_State( pStage->stateBits );
|
|
|
|
//
|
|
// draw
|
|
//
|
|
R_DrawElements( input->numIndexes, input->indexes );
|
|
}
|
|
// allow skipping out to show just lightmaps during development
|
|
if ( r_lightmap->integer && ( pStage->bundle[0].isLightmap || pStage->bundle[1].isLightmap ) )
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
** RB_StageIteratorGeneric
|
|
*/
|
|
void RB_StageIteratorGeneric( void )
|
|
{
|
|
shaderCommands_t *input;
|
|
shader_t *shader;
|
|
|
|
input = &tess;
|
|
shader = input->shader;
|
|
|
|
RB_DeformTessGeometry();
|
|
|
|
//
|
|
// log this call
|
|
//
|
|
if ( r_logFile->integer )
|
|
{
|
|
// don't just call LogComment, or we will get
|
|
// a call to va() every frame!
|
|
GLimp_LogComment( va("--- RB_StageIteratorGeneric( %s ) ---\n", tess.shader->name) );
|
|
}
|
|
|
|
//
|
|
// set face culling appropriately
|
|
//
|
|
GL_Cull( shader->cullType );
|
|
|
|
// set polygon offset if necessary
|
|
if ( shader->polygonOffset )
|
|
{
|
|
qglEnable( GL_POLYGON_OFFSET_FILL );
|
|
qglPolygonOffset( r_offsetFactor->value, r_offsetUnits->value );
|
|
}
|
|
|
|
//
|
|
// if there is only a single pass then we can enable color
|
|
// and texture arrays before we compile, otherwise we need
|
|
// to avoid compiling those arrays since they will change
|
|
// during multipass rendering
|
|
//
|
|
if ( tess.numPasses > 1 || shader->multitextureEnv )
|
|
{
|
|
setArraysOnce = qfalse;
|
|
qglDisableClientState (GL_COLOR_ARRAY);
|
|
qglDisableClientState (GL_TEXTURE_COORD_ARRAY);
|
|
}
|
|
else
|
|
{
|
|
setArraysOnce = qtrue;
|
|
|
|
qglEnableClientState( GL_COLOR_ARRAY);
|
|
qglColorPointer( 4, GL_UNSIGNED_BYTE, 0, tess.svars.colors );
|
|
|
|
qglEnableClientState( GL_TEXTURE_COORD_ARRAY);
|
|
qglTexCoordPointer( 2, GL_FLOAT, 0, tess.svars.texcoords[0] );
|
|
}
|
|
|
|
//
|
|
// lock XYZ
|
|
//
|
|
qglVertexPointer (3, GL_FLOAT, 16, input->xyz); // padded for SIMD
|
|
if (qglLockArraysEXT)
|
|
{
|
|
qglLockArraysEXT(0, input->numVertexes);
|
|
GLimp_LogComment( "glLockArraysEXT\n" );
|
|
}
|
|
|
|
//
|
|
// enable color and texcoord arrays after the lock if necessary
|
|
//
|
|
if ( !setArraysOnce )
|
|
{
|
|
qglEnableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
qglEnableClientState( GL_COLOR_ARRAY );
|
|
}
|
|
|
|
//
|
|
// call shader function
|
|
//
|
|
RB_IterateStagesGeneric( input );
|
|
|
|
//
|
|
// now do any dynamic lighting needed
|
|
//
|
|
if ( tess.dlightBits && tess.shader->sort <= SS_OPAQUE
|
|
&& !(tess.shader->surfaceFlags & (SURF_NODLIGHT | SURF_SKY) ) ) {
|
|
ProjectDlightTexture();
|
|
}
|
|
|
|
//
|
|
// now do fog
|
|
//
|
|
if ( tess.fogNum && tess.shader->fogPass ) {
|
|
RB_FogPass();
|
|
}
|
|
|
|
//
|
|
// unlock arrays
|
|
//
|
|
if (qglUnlockArraysEXT)
|
|
{
|
|
qglUnlockArraysEXT();
|
|
GLimp_LogComment( "glUnlockArraysEXT\n" );
|
|
}
|
|
|
|
//
|
|
// reset polygon offset
|
|
//
|
|
if ( shader->polygonOffset )
|
|
{
|
|
qglDisable( GL_POLYGON_OFFSET_FILL );
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
** RB_StageIteratorVertexLitTexture
|
|
*/
|
|
void RB_StageIteratorVertexLitTexture( void )
|
|
{
|
|
shaderCommands_t *input;
|
|
shader_t *shader;
|
|
|
|
input = &tess;
|
|
shader = input->shader;
|
|
|
|
//
|
|
// compute colors
|
|
//
|
|
RB_CalcDiffuseColor( ( unsigned char * ) tess.svars.colors );
|
|
|
|
//
|
|
// log this call
|
|
//
|
|
if ( r_logFile->integer )
|
|
{
|
|
// don't just call LogComment, or we will get
|
|
// a call to va() every frame!
|
|
GLimp_LogComment( va("--- RB_StageIteratorVertexLitTexturedUnfogged( %s ) ---\n", tess.shader->name) );
|
|
}
|
|
|
|
//
|
|
// set face culling appropriately
|
|
//
|
|
GL_Cull( shader->cullType );
|
|
|
|
//
|
|
// set arrays and lock
|
|
//
|
|
qglEnableClientState( GL_COLOR_ARRAY);
|
|
qglEnableClientState( GL_TEXTURE_COORD_ARRAY);
|
|
|
|
qglColorPointer( 4, GL_UNSIGNED_BYTE, 0, tess.svars.colors );
|
|
qglTexCoordPointer( 2, GL_FLOAT, 16, tess.texCoords[0][0] );
|
|
qglVertexPointer (3, GL_FLOAT, 16, input->xyz);
|
|
|
|
if ( qglLockArraysEXT )
|
|
{
|
|
qglLockArraysEXT(0, input->numVertexes);
|
|
GLimp_LogComment( "glLockArraysEXT\n" );
|
|
}
|
|
|
|
//
|
|
// call special shade routine
|
|
//
|
|
R_BindAnimatedImage( &tess.xstages[0]->bundle[0] );
|
|
GL_State( tess.xstages[0]->stateBits );
|
|
R_DrawElements( input->numIndexes, input->indexes );
|
|
|
|
//
|
|
// now do any dynamic lighting needed
|
|
//
|
|
if ( tess.dlightBits && tess.shader->sort <= SS_OPAQUE ) {
|
|
ProjectDlightTexture();
|
|
}
|
|
|
|
//
|
|
// now do fog
|
|
//
|
|
if ( tess.fogNum && tess.shader->fogPass ) {
|
|
RB_FogPass();
|
|
}
|
|
|
|
//
|
|
// unlock arrays
|
|
//
|
|
if (qglUnlockArraysEXT)
|
|
{
|
|
qglUnlockArraysEXT();
|
|
GLimp_LogComment( "glUnlockArraysEXT\n" );
|
|
}
|
|
}
|
|
|
|
//define REPLACE_MODE
|
|
|
|
void RB_StageIteratorLightmappedMultitexture( void ) {
|
|
shaderCommands_t *input;
|
|
shader_t *shader;
|
|
|
|
input = &tess;
|
|
shader = input->shader;
|
|
|
|
//
|
|
// log this call
|
|
//
|
|
if ( r_logFile->integer ) {
|
|
// don't just call LogComment, or we will get
|
|
// a call to va() every frame!
|
|
GLimp_LogComment( va("--- RB_StageIteratorLightmappedMultitexture( %s ) ---\n", tess.shader->name) );
|
|
}
|
|
|
|
//
|
|
// set face culling appropriately
|
|
//
|
|
GL_Cull( shader->cullType );
|
|
|
|
//
|
|
// set color, pointers, and lock
|
|
//
|
|
GL_State( GLS_DEFAULT );
|
|
qglVertexPointer( 3, GL_FLOAT, 16, input->xyz );
|
|
|
|
#ifdef REPLACE_MODE
|
|
qglDisableClientState( GL_COLOR_ARRAY );
|
|
qglColor3f( 1, 1, 1 );
|
|
qglShadeModel( GL_FLAT );
|
|
#else
|
|
qglEnableClientState( GL_COLOR_ARRAY );
|
|
qglColorPointer( 4, GL_UNSIGNED_BYTE, 0, tess.constantColor255 );
|
|
#endif
|
|
|
|
//
|
|
// select base stage
|
|
//
|
|
GL_SelectTexture( 0 );
|
|
|
|
qglEnableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
R_BindAnimatedImage( &tess.xstages[0]->bundle[0] );
|
|
qglTexCoordPointer( 2, GL_FLOAT, 16, tess.texCoords[0][0] );
|
|
|
|
//
|
|
// configure second stage
|
|
//
|
|
GL_SelectTexture( 1 );
|
|
qglEnable( GL_TEXTURE_2D );
|
|
if ( r_lightmap->integer ) {
|
|
GL_TexEnv( GL_REPLACE );
|
|
} else {
|
|
GL_TexEnv( GL_MODULATE );
|
|
}
|
|
R_BindAnimatedImage( &tess.xstages[0]->bundle[1] );
|
|
qglEnableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
qglTexCoordPointer( 2, GL_FLOAT, 16, tess.texCoords[0][1] );
|
|
|
|
//
|
|
// lock arrays
|
|
//
|
|
if ( qglLockArraysEXT ) {
|
|
qglLockArraysEXT(0, input->numVertexes);
|
|
GLimp_LogComment( "glLockArraysEXT\n" );
|
|
}
|
|
|
|
R_DrawElements( input->numIndexes, input->indexes );
|
|
|
|
//
|
|
// disable texturing on TEXTURE1, then select TEXTURE0
|
|
//
|
|
qglDisable( GL_TEXTURE_2D );
|
|
qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
|
|
GL_SelectTexture( 0 );
|
|
#ifdef REPLACE_MODE
|
|
GL_TexEnv( GL_MODULATE );
|
|
qglShadeModel( GL_SMOOTH );
|
|
#endif
|
|
|
|
//
|
|
// now do any dynamic lighting needed
|
|
//
|
|
if ( tess.dlightBits && tess.shader->sort <= SS_OPAQUE ) {
|
|
ProjectDlightTexture();
|
|
}
|
|
|
|
//
|
|
// now do fog
|
|
//
|
|
if ( tess.fogNum && tess.shader->fogPass ) {
|
|
RB_FogPass();
|
|
}
|
|
|
|
//
|
|
// unlock arrays
|
|
//
|
|
if ( qglUnlockArraysEXT ) {
|
|
qglUnlockArraysEXT();
|
|
GLimp_LogComment( "glUnlockArraysEXT\n" );
|
|
}
|
|
}
|
|
|
|
/*
|
|
** RB_EndSurface
|
|
*/
|
|
void RB_EndSurface( void ) {
|
|
shaderCommands_t *input;
|
|
|
|
input = &tess;
|
|
|
|
if (input->numIndexes == 0) {
|
|
return;
|
|
}
|
|
|
|
if (input->indexes[SHADER_MAX_INDEXES-1] != 0) {
|
|
ri.Error (ERR_DROP, "RB_EndSurface() - SHADER_MAX_INDEXES hit");
|
|
}
|
|
if (input->xyz[SHADER_MAX_VERTEXES-1][0] != 0) {
|
|
ri.Error (ERR_DROP, "RB_EndSurface() - SHADER_MAX_VERTEXES hit");
|
|
}
|
|
|
|
if ( tess.shader == tr.shadowShader ) {
|
|
RB_ShadowTessEnd();
|
|
return;
|
|
}
|
|
|
|
// for debugging of sort order issues, stop rendering after a given sort value
|
|
if ( r_debugSort->integer && r_debugSort->integer < tess.shader->sort ) {
|
|
return;
|
|
}
|
|
|
|
//
|
|
// update performance counters
|
|
//
|
|
backEnd.pc.c_shaders++;
|
|
backEnd.pc.c_vertexes += tess.numVertexes;
|
|
backEnd.pc.c_indexes += tess.numIndexes;
|
|
backEnd.pc.c_totalIndexes += tess.numIndexes * tess.numPasses;
|
|
|
|
//
|
|
// call off to shader specific tess end function
|
|
//
|
|
tess.currentStageIteratorFunc();
|
|
|
|
//
|
|
// draw debugging stuff
|
|
//
|
|
if ( r_showtris->integer ) {
|
|
DrawTris (input);
|
|
}
|
|
if ( r_shownormals->integer ) {
|
|
DrawNormals (input);
|
|
}
|
|
// clear shader so we can tell we don't have any unclosed surfaces
|
|
tess.numIndexes = 0;
|
|
|
|
GLimp_LogComment( "----------\n" );
|
|
}
|
|
|