/*
===================
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 ) {
// This is not yet available in the current platform. Removing:
//qglPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
}
//
// base
//
GX_SelectTexture( 0 );
// *********************** This call is not needed for the current implementation. Disabling:
//qglTexCoordPointer( 2, GL_FLOAT, 0, input->svars.texcoords[0] );
R_BindAnimatedImage( &pStage->bundle[0] );
//
// lightmap/secondary pass
//
GX_SelectTexture( 1 );
qgxEnableTexStage1();
// *********************** This call is not needed for the current implementation. Disabling:
//qglEnableClientState( GL_TEXTURE_COORD_ARRAY );
if ( r_lightmap->integer ) {
GX_TexEnv( GX_REPLACE );
} else {
GX_TexEnv( tess.shader->multitextureEnv );
}
// *********************** This call is not needed for the current implementation. Disabling:
//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 );
qgxDisableTexStage1();
GX_SelectTexture( 0 );
}
int main(void)
{
GX_Init(GX_HRES_320, GX_VRES_240);
GX_SetClearColor(GX_GRAY);
GX_GetResolution(&res_w, &res_h);
texture = GX_LoadTIM(kid_tim);
GX_GetTextureDims(texture, &tex_w, &tex_h);
for (int i = 0; i < 32; ++i)
sprites[i].occupied = 0;
InitSprite(50, 50, 0, 0, -1, 1);
InitSprite(60, 30, 0, 0, 1, 1);
InitSprite(120, 20, 0, 0, -1, -1);
InitSprite(100, 80, 0, 0, 1, -1);
while (1)
{
GX_Clear();
GX_SelectTexture(texture);
for (int i = 0; i < 32; ++i)
{
sprite_t *spr = &sprites[i];
if (spr->occupied)
{
UpdateSprite(&sprites[i]);
GX_DrawRectangleTextured(
spr->x,
spr->y,
spr->w,
spr->h,
spr->tx,
spr->ty
);
}
}
GX_Sync();
}
return 0;
}
void RB_StageIteratorLightmappedMultitexture( void ) {
shaderCommands_t *input;
input = &tess;
//
// 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
//
GX_Cull( input->shader->cullType );
//
// set color, pointers, and lock
//
GL_State( GLS_DEFAULT );
// ****************** Temporarily deactivating this call until the current renderer implements it:
//qglVertexPointer( 3, GL_FLOAT, 16, input->xyz );
#ifdef REPLACE_MODE
qglDisableClientState( GL_COLOR_ARRAY );
qglColor3f( 1, 1, 1 );
qglShadeModel( GL_FLAT );
#else
// ****************** Temporarily deactivating this call until the current renderer implements it:
/*
qglEnableClientState( GL_COLOR_ARRAY );
qglColorPointer( 4, GL_UNSIGNED_BYTE, 0, tess.constantColor255 );
*/
#endif
//
// select base stage
//
GX_SelectTexture( 0 );
// ****************** Temporarily deactivating this call until the current renderer implements it:
//qglEnableClientState( GL_TEXTURE_COORD_ARRAY );
R_BindAnimatedImage( &tess.xstages[0]->bundle[0] );
// ****************** Temporarily deactivating this call until the current renderer implements it:
//qglTexCoordPointer( 2, GL_FLOAT, 16, tess.texCoords[0][0] );
//
// configure second stage
//
GX_SelectTexture( 1 );
qgxEnableTexStage1();
if ( r_lightmap->integer ) {
GX_TexEnv( GX_REPLACE );
} else {
GX_TexEnv( GX_MODULATE );
}
R_BindAnimatedImage( &tess.xstages[0]->bundle[1] );
// ****************** Temporarily deactivating these calls until the current renderer implements them:
/*
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
//
qgxDisableTexStage1();
// ****************** Temporarily deactivating this call until the current renderer implements it:
//qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
GX_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" );
}
*/
}
