C++ qglColor4f函数代码示例

void Terrain_DrawCam( terrainMesh_t *pm ) {
	qglColor3f( 1,1,1 );
	qglPushAttrib( GL_ALL_ATTRIB_BITS );

	if ( g_bPatchWireFrame ) {
		if( pm->bSelected ) {
			qglLineWidth( 2 );
		} else {
			qglLineWidth( 1 );
		}

		qglDisable( GL_CULL_FACE );
		qglPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
		qglDisable( GL_TEXTURE_2D );

		if ( g_PrefsDlg.m_bGLLighting ) {
			qglDisable( GL_LIGHTING );
		}

		DrawTerrain( pm, pm->bSelected, true );

		if ( g_PrefsDlg.m_bGLLighting ) {
			qglEnable( GL_LIGHTING );
		}

		qglEnable( GL_CULL_FACE );
		qglLineWidth( 1 );
	} else {
		qglEnable( GL_CULL_FACE );
		qglCullFace( GL_FRONT );

		// draw the textured polys
		DrawTerrain( pm, pm->bSelected, true );

		// if selected, draw the red tint on the polys
		if( pm->bSelected ) { // && ( g_qeglobals.d_savedinfo.include & INCLUDE_CAMERATINT ) ) {
			qglColor4f( 1.0, 0.0, 0.0, 0.3 );
			qglEnable( GL_BLEND );
			qglPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
			qglBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );

			DrawTerrain( pm, pm->bSelected );

			qglColor3f( 1, 1, 1 );
		}

		// draw the backside poly outlines
		qglCullFace( GL_BACK );
		qglPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
		qglDisable( GL_BLEND );
		DrawTerrain( pm, pm->bSelected, true );
	}

	qglPopAttrib();
}

/*
=================
RB_ShadowFinish

Darken everything that is is a shadow volume.
We have to delay this until everything has been shadowed,
because otherwise shadows from different body parts would
overlap and double darken.
=================
*/
void RB_ShadowFinish(void)
{
	if (r_shadows->integer != 2)
	{
		return;
	}
	if (glConfig.stencilBits < 4)
	{
		return;
	}
	qglEnable(GL_STENCIL_TEST);
	qglStencilFunc(GL_NOTEQUAL, 0, 255);

	qglDisable(GL_CLIP_PLANE0);
	qglDisable(GL_CULL_FACE);

	GL_Bind(tr.whiteImage);

	qglLoadIdentity();

	qglColor3f(0.6f, 0.6f, 0.6f);
	GL_State(GLS_DEPTHMASK_TRUE | GLS_SRCBLEND_DST_COLOR | GLS_DSTBLEND_ZERO);

	GLboolean text  = qglIsEnabled(GL_TEXTURE_COORD_ARRAY);
	GLboolean glcol = qglIsEnabled(GL_COLOR_ARRAY);
	if (text)
	{
		qglDisableClientState(GL_TEXTURE_COORD_ARRAY);
	}
	if (glcol)
	{
		qglDisableClientState(GL_COLOR_ARRAY);
	}
	GLfloat vtx[] =
	{
		-100, 100,  -10,
		100,  100,  -10,
		100,  -100, -10,
		-100, -100, -10
	};
	qglVertexPointer(3, GL_FLOAT, 0, vtx);
	qglDrawArrays(GL_TRIANGLE_FAN, 0, 4);
	if (text)
	{
		qglEnableClientState(GL_TEXTURE_COORD_ARRAY);
	}
	if (glcol)
	{
		qglEnableClientState(GL_COLOR_ARRAY);
	}

	qglColor4f(1, 1, 1, 1);
	qglDisable(GL_STENCIL_TEST);
}

/*
=================
R_Bloom_DrawEffect
=================
*/
static void R_Bloom_DrawEffect( void )
{
	float alpha=r_bloom_alpha->value;
	GL_Bind( bloom.effect.texture );
	GL_State( GLS_DEPTHTEST_DISABLE | GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE );
	if(r_bloom_cascade->integer){
		alpha=r_bloom_cascade_alpha->value;
	}
	qglColor4f( alpha,alpha,alpha, 1.0f );
	R_Bloom_Quad( glConfig.vidWidth, glConfig.vidHeight, 0, 0, bloom.effect.readW, bloom.effect.readW );
}

/*
================
Draw_FadeScreen

================
*/
void Draw_FadeScreen (void)
{
	qglEnable (GL_BLEND);
	qglDisable (GL_TEXTURE_2D);
	qglColor4f (0, 0, 0, 0.8);
	
	xeeBegin (GL_QUADS);

	xeeVertex2f (0,0);
	xeeVertex2f (vid.width, 0);
	xeeVertex2f (vid.width, vid.height);
	xeeVertex2f (0, vid.height);

	xeeEnd ();	
	xeeSubmit();
	
	qglColor4f (1,1,1,1);
	qglEnable (GL_TEXTURE_2D);
	qglDisable (GL_BLEND);
}

/*
** GL_SetDefaultState
*/
void GL_SetDefaultState( void )
{
	qglClearDepth( 1.0f );

	qglCullFace(GL_FRONT);

	qglColor4f (1,1,1,1);

	// initialize downstream texture unit if we're running
	// in a multitexture environment
	if ( qglActiveTextureARB ) {
		GL_SelectTexture( 1 );
		GL_TextureMode( r_textureMode->string );
		GL_TexEnv( GL_MODULATE );
		qglDisable( GL_TEXTURE_2D );
		GL_SelectTexture( 0 );
	}

	qglEnable(GL_TEXTURE_2D);
	GL_TextureMode( r_textureMode->string );
	GL_TexEnv( GL_MODULATE );

	//qglShadeModel( GL_SMOOTH );
	qglDepthFunc( GL_LEQUAL );

	//
	// make sure our GL state vector is set correctly
	//
	glState.glStateBits = GLS_DEPTHTEST_DISABLE | GLS_DEPTHMASK_TRUE;
	glState.storedGlState = 0;

	glState.currentProgram = 0;
	qglUseProgramObjectARB(0);

	qglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
	qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
	glState.currentVao = NULL;

	qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
	qglDepthMask( GL_TRUE );
	qglDisable( GL_DEPTH_TEST );
	qglEnable( GL_SCISSOR_TEST );
	qglDisable( GL_CULL_FACE );
	qglDisable( GL_BLEND );

	if (glRefConfig.seamlessCubeMap)
		qglEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS);

	// GL_POLYGON_OFFSET_FILL will be glEnable()d when this is used
	qglPolygonOffset( r_offsetFactor->value, r_offsetUnits->value );

	qglClearColor( 0.0f, 0.0f, 0.0f, 1.0f );	// FIXME: get color of sky
}

/*
** GL_SetDefaultState
*/
void GL_SetDefaultState( void )
{
	qglClearDepth( 1.0f );

	qglCullFace(GL_FRONT);

	qglColor4f (1,1,1,1);

	// initialize downstream texture unit if we're running
	// in a multitexture environment
	if ( qglActiveTextureARB ) {
		GL_SelectTexture( 1 );
		GL_TextureMode( r_textureMode->string );
		GL_TexEnv( GL_MODULATE );
		qglDisable( GL_TEXTURE_2D );
		GL_SelectTexture( 0 );
	}

	qglEnable(GL_TEXTURE_2D);
	GL_TextureMode( r_textureMode->string );
	GL_TexEnv( GL_MODULATE );

	qglShadeModel( GL_SMOOTH );
	qglDepthFunc( GL_LEQUAL );

	// the vertex array is always enabled, but the color and texture
	// arrays are enabled and disabled around the compiled vertex array call
	qglEnableClientState (GL_VERTEX_ARRAY);

	//
	// make sure our GL state vector is set correctly
	//
	glState.glStateBits = GLS_DEPTHTEST_DISABLE | GLS_DEPTHMASK_TRUE;

	qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
	qglDepthMask( GL_TRUE );
	qglDisable( GL_DEPTH_TEST );
	qglEnable( GL_SCISSOR_TEST );
	qglDisable( GL_CULL_FACE );
	qglDisable( GL_BLEND );

#ifdef _NPATCH
	// If n-patches are supported, make sure they are disabled for now
	// Set the initial tesselation level and the interpolation modes
	if ( qglPNTrianglesiATI )
	{
		qglDisable( GL_PN_TRIANGLES_ATI );
		qglPNTrianglesiATI( GL_PN_TRIANGLES_POINT_MODE_ATI, GL_PN_TRIANGLES_POINT_MODE_CUBIC_ATI );
		qglPNTrianglesiATI( GL_PN_TRIANGLES_NORMAL_MODE_ATI, GL_PN_TRIANGLES_NORMAL_MODE_QUADRATIC_ATI );
		qglPNTrianglesiATI( GL_PN_TRIANGLES_TESSELATION_LEVEL_ATI, 3 );
	}
#endif // _NPATCH
}

/*
=================
R_Bloom_DownsampleView
=================
*/
void R_Bloom_DownsampleView( void )
{
    GL_Disable( GL_BLEND );
    qglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );

    //stepped downsample
    if( r_screendownsamplingtexture_size )
    {
        int		midsample_width = r_screendownsamplingtexture_size * sampleText_tcw;
        int		midsample_height = r_screendownsamplingtexture_size * sampleText_tch;

        //copy the screen and draw resized
        GL_Bind(r_bloomscreentexture->texnum);
        qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, curView_x, vid.height - (curView_y + curView_height), curView_width, curView_height);
        R_Bloom_Quad( 0,  vid.height-midsample_height, midsample_width, midsample_height, screenText_tcw, screenText_tch  );

        //now copy into Downsampling (mid-sized) texture
        GL_Bind(r_bloomdownsamplingtexture->texnum);
        qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, midsample_width, midsample_height);

        //now draw again in bloom size
        qglColor4f( 0.5f, 0.5f, 0.5f, 1.0f );
        R_Bloom_Quad( 0,  vid.height-sample_height, sample_width, sample_height, sampleText_tcw, sampleText_tch );

        //now blend the big screen texture into the bloom generation space (hoping it adds some blur)
        GL_Enable( GL_BLEND );
        GL_BlendFunc(GL_ONE, GL_ONE);
        qglColor4f( 0.5f, 0.5f, 0.5f, 1.0f );
        GL_Bind(r_bloomscreentexture->texnum);
        R_Bloom_Quad( 0,  vid.height-sample_height, sample_width, sample_height, screenText_tcw, screenText_tch );
        qglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
        GL_Disable( GL_BLEND );

    } else {	//downsample simple

        GL_Bind(r_bloomscreentexture->texnum);
        qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, curView_x, vid.height - (curView_y + curView_height), curView_width, curView_height);
        R_Bloom_Quad( 0, vid.height-sample_height, sample_width, sample_height, screenText_tcw, screenText_tch );
    }
}

/*
** GL_SetDefaultState
*/
void GL_SetDefaultState( void )
{
	qglClearDepth( 1.0f );

	qglCullFace(GL_FRONT);

	qglColor4f (1,1,1,1);

	GL_BindNullTextures();

	if (glRefConfig.framebufferObject)
		GL_BindNullFramebuffers();

	qglEnable(GL_TEXTURE_2D);
	GL_TextureMode( r_textureMode->string );

	//qglShadeModel( GL_SMOOTH );
	qglDepthFunc( GL_LEQUAL );

	//
	// make sure our GL state vector is set correctly
	//
	glState.glStateBits = GLS_DEPTHTEST_DISABLE | GLS_DEPTHMASK_TRUE;
	glState.storedGlState = 0;
	glState.faceCulling = CT_TWO_SIDED;
	glState.faceCullFront = qtrue;

	GL_BindNullProgram();

	if (glRefConfig.vertexArrayObject)
		qglBindVertexArray(0);

	qglBindBuffer(GL_ARRAY_BUFFER, 0);
	qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
	glState.currentVao = NULL;
	glState.vertexAttribsEnabled = 0;

	qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
	qglDepthMask( GL_TRUE );
	qglDisable( GL_DEPTH_TEST );
	qglEnable( GL_SCISSOR_TEST );
	qglDisable( GL_CULL_FACE );
	qglDisable( GL_BLEND );

	if (glRefConfig.seamlessCubeMap)
		qglEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS);

	// GL_POLYGON_OFFSET_FILL will be glEnable()d when this is used
	qglPolygonOffset( r_offsetFactor->value, r_offsetUnits->value );

	qglClearColor( 0.0f, 0.0f, 0.0f, 1.0f );	// FIXME: get color of sky
}

/*
** GL_SetDefaultState
*/
void
GL_SetDefaultState(void)
{
	qglClearDepth(1.0f);

	qglCullFace(GL_FRONT);

	qglColor4f (1,1,1,1);

	/* initialize downstream texture unit if we're running
	 * in a multitexture environment */
	if(qglActiveTextureARB){
		GL_SelectTexture(1);
		GL_TextureMode(r_textureMode->string);
		GL_TexEnv(GL_MODULATE);
		qglDisable(GL_TEXTURE_2D);
		GL_SelectTexture(0);
	}

	qglEnable(GL_TEXTURE_2D);
	GL_TextureMode(r_textureMode->string);
	GL_TexEnv(GL_MODULATE);

	qglShadeModel(GL_SMOOTH);
	qglDepthFunc(GL_LEQUAL);

	/* the vertex array is always enabled, but the color and texture
	 * arrays are enabled and disabled around the compiled vertex array call */
	qglEnableClientState (GL_VERTEX_ARRAY);

	/*
	 * make sure our GL state vector is set correctly
	 *  */
	glState.glStateBits = GLS_DEPTHTEST_DISABLE | GLS_DEPTHMASK_TRUE;

	glState.vertexAttribsState = 0;
	glState.vertexAttribPointersSet = 0;
	glState.currentProgram = 0;
	qglUseProgramObjectARB(0);

	qglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
	qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
	glState.currentVBO	= NULL;
	glState.currentIBO	= NULL;

	qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
	qglDepthMask(GL_TRUE);
	qglDisable(GL_DEPTH_TEST);
	qglEnable(GL_SCISSOR_TEST);
	qglDisable(GL_CULL_FACE);
	qglDisable(GL_BLEND);
}

/*
** GL_SetDefaultState
*/
void GL_SetDefaultState( void )
{
	qglClearDepth( 1.0f );

	qglCullFace(GL_FRONT);

	qglColor4f (1,1,1,1);

	// initialize downstream texture unit if we're running
	// in a multitexture environment
	if ( qglActiveTextureARB ) {
		GL_SelectTexture( 1 );
		GL_TextureMode( r_textureMode->string );
		GL_TexEnv( GL_MODULATE );
		qglDisable( GL_TEXTURE_2D );
		GL_SelectTexture( 0 );
	}

	qglEnable(GL_TEXTURE_2D);
	GL_TextureMode( r_textureMode->string );
	GL_TexEnv( GL_MODULATE );

	//qglShadeModel( GL_SMOOTH );
	qglDepthFunc( GL_LEQUAL );

	//
	// make sure our GL state vector is set correctly
	//
	glState.glStateBits = GLS_DEPTHTEST_DISABLE | GLS_DEPTHMASK_TRUE;

	glState.vertexAttribsState = 0;
	glState.vertexAttribPointersSet = 0;
	glState.currentProgram = 0;
	qglUseProgramObjectARB(0);

	qglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
	qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
	glState.currentVBO = NULL;
	glState.currentIBO = NULL;

	if (glRefConfig.framebuffer_srgb)
	{
		qglEnable(GL_FRAMEBUFFER_SRGB_EXT);
	}

	qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
	qglDepthMask( GL_TRUE );
	qglDisable( GL_DEPTH_TEST );
	qglEnable( GL_SCISSOR_TEST );
	qglDisable( GL_CULL_FACE );
	qglDisable( GL_BLEND );
}

/*
================
rvGEWorkspace::RenderGrid

Renders the grid on top of the user interface
================
*/
void rvGEWorkspace::RenderGrid ( void )
{
	float	x;
	float	y;
	float	step;
	idVec4&	color = mApplication->GetOptions().GetGridColor ( );

	// See if the grid is off before rendering it
	if ( !mApplication->GetOptions().GetGridVisible ( ))
	{
		return;
	}

	qglEnable(GL_BLEND);
	qglBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

	qglColor4f ( color[0], color[1], color[2], 0.5f );

	qglBegin ( GL_LINES );
	step = mApplication->GetOptions().GetGridWidth ( ) * g_ZoomScales[mZoom];
	for ( x = mRect.x + mRect.w; x >= mRect.x ; x -= step )
	{
		qglVertex2f ( x, mRect.y );
		qglVertex2f ( x, mRect.y + mRect.h );
	}
	step = mApplication->GetOptions().GetGridHeight ( ) * g_ZoomScales[mZoom];
	for ( y = mRect.y + mRect.h; y >= mRect.y ; y -= step )
	{
		qglVertex2f ( mRect.x, y );
		qglVertex2f ( mRect.x + mRect.w, y );
	}
	qglEnd ( );

	qglDisable(GL_BLEND);
	qglColor3f ( color[0], color[1], color[2] );

	qglBegin ( GL_LINES );
	step = mApplication->GetOptions().GetGridWidth ( ) * g_ZoomScales[mZoom];
	for ( x = mRect.x + mRect.w; x >= mRect.x ; x -= step * 4 )
	{
		qglVertex2f ( x, mRect.y );
		qglVertex2f ( x, mRect.y + mRect.h );
	}
	step = mApplication->GetOptions().GetGridHeight ( ) * g_ZoomScales[mZoom];
	for ( y = mRect.y + mRect.h; y >= mRect.y ; y -= step * 4 )
	{
		qglVertex2f ( mRect.x, y );
		qglVertex2f ( mRect.x + mRect.w, y );
	}
	qglEnd ( );
}

/*
* R_Bloom_DownsampleView
*/
static void R_Bloom_DownsampleView( void )
{
	qglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );

	if( r_screendownsamplingtexture_size )
	{
		// stepped downsample
		int midsample_width = ( r_screendownsamplingtexture_size * sampleText_tcw );
		int midsample_height = ( r_screendownsamplingtexture_size * sampleText_tch );

		// copy the screen and draw resized
		GL_Bind( 0, r_bloomscreentexture );
		qglCopyTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0, curView_x, glState.height - ( curView_y + curView_height ), curView_width, curView_height );
		R_Bloom_Quad( 0, 0, midsample_width, midsample_height, screenTex_tcw, screenTex_tch );

		// now copy into downsampling (mid-sized) texture
		GL_Bind( 0, r_bloomdownsamplingtexture );
		qglCopyTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0, 0, 0, midsample_width, midsample_height );

		// now draw again in bloom size
		qglColor4f( 0.5f, 0.5f, 0.5f, 1.0f );
		R_Bloom_Quad( 0, 0, sample_width, sample_height, sampleText_tcw, sampleText_tch );

		// now blend the big screen texture into the bloom generation space (hoping it adds some blur)
		GL_SetState( GLSTATE_NO_DEPTH_TEST|GLSTATE_SRCBLEND_ONE|GLSTATE_DSTBLEND_ONE );

		GL_Bind( 0, r_bloomscreentexture );
		R_Bloom_Quad( 0, 0, sample_width, sample_height, screenTex_tcw, screenTex_tch );
		qglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
	}
	else
	{
		// downsample simple
		GL_Bind( 0, r_bloomscreentexture );
		qglCopyTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0, curView_x, glState.height - ( curView_y + curView_height ), curView_width, curView_height );
		R_Bloom_Quad( 0, 0, sample_width, sample_height, screenTex_tcw, screenTex_tch );
	}
}

void CSnowSystem::Render(void)
{
	int			i;
	SParticle	*item;
	vec3_t		origin;

	if (!(mOverallContents & CONTENTS_OUTSIDE))
	{
		return;
	}

	CWorldEffectsSystem::Render();

	VectorAdd(backEnd.viewParms.or.origin, mMinSpread, origin);

	qglColor4f(0.8f, 0.8f, 0.8f, mAlpha);

//	GL_State(GLS_SRCBLEND_SRC_ALPHA|GLS_DSTBLEND_ONE);
	GL_State(GLS_ALPHA);
	qglDisable(GL_TEXTURE_2D);

	if (qglPointParameterfEXT)
	{
		qglPointSize(10.0);
		qglPointParameterfEXT(GL_POINT_SIZE_MIN_EXT, 1.0);
		qglPointParameterfEXT(GL_POINT_SIZE_MAX_EXT, 4.0);
	//	qglPointParameterfEXT(GL_POINT_FADE_THRESHOLD_SIZE_EXT, 3.0);
		qglPointParameterfvEXT(GL_DISTANCE_ATTENUATION_EXT, (float *)attenuation);
	}
	else
	{
		qglPointSize(2.0);
	}

	item = mSnowList;
	qglBegin(GL_POINTS);
	for(i=mMaxSnowflakes;i;i--)
	{
		if (item->flags & PARTICLE_FLAG_RENDER)
		{
			qglVertex3fv(item->pos);
		}
		item++;
	}
	qglEnd();
	qglEnable(GL_TEXTURE_2D);
}

/*
=================
R_Bloom_RestoreScreen
Restore the temporary framebuffer section we used with the backup texture
=================
*/
static void R_Bloom_RestoreScreen( void ) {
	float dry=r_bloom_dry->value;
	if(r_bloom_cascade->integer)
		dry=r_bloom_cascade_dry->value;
	GL_State( GLS_DEPTHTEST_DISABLE | GLS_SRCBLEND_ONE | GLS_DSTBLEND_ZERO );
	GL_Bind( bloom.screen.texture );
	qglColor4f( dry,dry,dry, 1 );
	if(dry<.99f){
		R_Bloom_Quad( bloom.screen.width, bloom.screen.height, 0, 0,
					1.f,
					1.f );
	}else{
		R_Bloom_Quad( bloom.work.width, bloom.work.height, 0, 0,
			bloom.work.width / (float)bloom.screen.width,
			bloom.work.height / (float)bloom.screen.height );
	}
}

/*
** GL_SetDefaultState
*/
void GL_SetDefaultState( void )
{
	qglClearDepth( 1.0f );

	qglCullFace(GL_FRONT);

	qglColor4f (1,1,1,1);

	// initialize downstream texture unit if we're running
	// in a multitexture environment
	if ( qglActiveTextureARB ) {
		GL_SelectTexture( 1 );
		GL_TextureMode( r_textureMode->string );
		GL_TexEnv( GL_MODULATE );
		qglDisable( GL_TEXTURE_2D );
		GL_SelectTexture( 0 );
	}

	qglEnable(GL_TEXTURE_2D);
	GL_TextureMode( r_textureMode->string );
	GL_TexEnv( GL_MODULATE );

	qglShadeModel( GL_SMOOTH );
	qglDepthFunc( GL_LEQUAL );

	// the vertex array is always enabled, but the color and texture
	// arrays are enabled and disabled around the compiled vertex array call
	qglEnableClientState (GL_VERTEX_ARRAY);

	//
	// make sure our GL state vector is set correctly
	//
	glState.glStateBits = GLS_DEPTHTEST_DISABLE | GLS_DEPTHMASK_TRUE;

#ifdef HAVE_GLES
	glPixelStorei(GL_PACK_ALIGNMENT, 1);
	glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
#else
	qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
#endif
	qglDepthMask( GL_TRUE );
	qglDisable( GL_DEPTH_TEST );
	qglEnable( GL_SCISSOR_TEST );
	qglDisable( GL_CULL_FACE );
	qglDisable( GL_BLEND );
}