C++ (Cpp) pglPolygonOffset Examples

Example #1

File: r_shadows.cpp Project: FWGS/XashXT

/*
=============
R_ShadowPassSetupGL
=============
*/
static void R_ShadowPassSetupGL( const plight_t *pl )
{
	// matrices already computed
	RI.worldviewMatrix = pl->modelviewMatrix;
	RI.projectionMatrix = pl->projectionMatrix;
	RI.worldviewProjectionMatrix = RI.projectionMatrix.Concat( RI.worldviewMatrix );

	GLfloat dest[16];

	// tell engine about worldviewprojection matrix so TriWorldToScreen and TriScreenToWorld
	// will be working properly
	RI.worldviewProjectionMatrix.CopyToArray( dest );
	SET_ENGINE_WORLDVIEW_MATRIX( dest );

	pglScissor( RI.scissor[0], RI.scissor[1], RI.scissor[2], RI.scissor[3] );
	pglViewport( RI.viewport[0], RI.viewport[1], RI.viewport[2], RI.viewport[3] );

	pglMatrixMode( GL_PROJECTION );
	GL_LoadMatrix( RI.projectionMatrix );

	pglMatrixMode( GL_MODELVIEW );
	GL_LoadMatrix( RI.worldviewMatrix );

	GL_Cull( GL_FRONT );

	pglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
	pglColorMask( GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE );
	pglEnable( GL_POLYGON_OFFSET_FILL );
	pglDisable( GL_TEXTURE_2D );
	pglDepthMask( GL_TRUE );
	pglPolygonOffset( 8, 30 );
	pglEnable( GL_DEPTH_TEST );
	pglDisable( GL_ALPHA_TEST );
	pglDisable( GL_BLEND );
}

Example #2

File: r_shadows.cpp Project: FWGS/XashXT

/*
=============
R_ShadowPassEndGL
=============
*/
static void R_ShadowPassEndGL( void )
{
	pglColorMask( GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE );
	pglDisable( GL_POLYGON_OFFSET_FILL );
	pglEnable( GL_TEXTURE_2D );
	pglPolygonOffset( -1, -2 );
}

Example #3

File: Gfx_wrapper_OpenGL.cpp Project: DrItanium/Serious-Engine

static void ogl_DisableDepthBias(void)
{
  ASSERT( _pGfx->gl_eCurrentAPI==GAT_OGL);
  _sfStats.StartTimer(CStatForm::STI_GFXAPI);

  pglDisable( GL_POLYGON_OFFSET_POINT);
  pglDisable( GL_POLYGON_OFFSET_LINE);
  pglDisable( GL_POLYGON_OFFSET_FILL);
  pglPolygonOffset( 0.0f, 0.0f);
  OGL_CHECKERROR;

  _sfStats.StopTimer(CStatForm::STI_GFXAPI);
}