34  * front OR back face state (as set by glActiveStencilFaceEXT) is set.
41  * glStencilFuncSeparate(GLenum face, GLenum func, ...).
188    const GLint face = ctx->Stencil.ActiveFace;  in stencil_func()  local
190    if (face != 0) {  in stencil_func()
191       if (ctx->Stencil.Function[face] == func &&  in stencil_func()
192           ctx->Stencil.ValueMask[face] == mask &&  in stencil_func()
193           ctx->Stencil.Ref[face] == ref)  in stencil_func()
197       ctx->Stencil.Function[face] = func;  in stencil_func()
198       ctx->Stencil.Ref[face] = ref;  in stencil_func()
199       ctx->Stencil.ValueMask[face] = mask;  in stencil_func()
259    const GLint face = ctx->Stencil.ActiveFace;  in _mesa_StencilMask()  local
264    if (face != 0) {  in _mesa_StencilMask()
265       /* Only modify the EXT_stencil_two_side back-face state.  in _mesa_StencilMask()
267       if (ctx->Stencil.WriteMask[face] == mask)  in _mesa_StencilMask()
271       ctx->Stencil.WriteMask[face] = mask;  in _mesa_StencilMask()
302    const GLint face = ctx->Stencil.ActiveFace;  in stencil_op()  local
304    if (face != 0) {  in stencil_op()
305       /* only set active face state */  in stencil_op()
306       if (ctx->Stencil.ZFailFunc[face] == zfail &&  in stencil_op()
307           ctx->Stencil.ZPassFunc[face] == zpass &&  in stencil_op()
308           ctx->Stencil.FailFunc[face] == fail)  in stencil_op()
312       ctx->Stencil.ZFailFunc[face] = zfail;  in stencil_op()
313       ctx->Stencil.ZPassFunc[face] = zpass;  in stencil_op()
314       ctx->Stencil.FailFunc[face] = fail;  in stencil_op()
371 _mesa_ActiveStencilFaceEXT(GLenum face)  in _mesa_ActiveStencilFaceEXT()  argument
383    if (face == GL_FRONT || face == GL_BACK) {  in _mesa_ActiveStencilFaceEXT()
384       ctx->Stencil.ActiveFace = (face == GL_FRONT) ? 0 : 2;  in _mesa_ActiveStencilFaceEXT()
387       _mesa_error(ctx, GL_INVALID_ENUM, "glActiveStencilFaceEXT(face)");  in _mesa_ActiveStencilFaceEXT()
393 stencil_op_separate(struct gl_context *ctx, GLenum face, GLenum sfail,  in stencil_op_separate()  argument
396    if (face != GL_BACK) {  in stencil_op_separate()
409    if (face != GL_FRONT) {  in stencil_op_separate()
425 _mesa_StencilOpSeparate_no_error(GLenum face, GLenum sfail, GLenum zfail,  in _mesa_StencilOpSeparate_no_error()  argument
429    stencil_op_separate(ctx, face, sfail, zfail, zpass);  in _mesa_StencilOpSeparate_no_error()
434 _mesa_StencilOpSeparate(GLenum face, GLenum sfail, GLenum zfail, GLenum zpass)  in _mesa_StencilOpSeparate()  argument
456    if (face != GL_FRONT && face != GL_BACK && face != GL_FRONT_AND_BACK) {  in _mesa_StencilOpSeparate()
457       _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(face)");  in _mesa_StencilOpSeparate()
461    stencil_op_separate(ctx, face, sfail, zfail, zpass);  in _mesa_StencilOpSeparate()
466 stencil_func_separate(struct gl_context *ctx, GLenum face, GLenum func,  in stencil_func_separate()  argument
472    if (face != GL_BACK) {  in stencil_func_separate()
479    if (face != GL_FRONT) {  in stencil_func_separate()
490 _mesa_StencilFuncSeparate_no_error(GLenum face, GLenum func, GLint ref,  in _mesa_StencilFuncSeparate_no_error()  argument
494    stencil_func_separate(ctx, face, func, ref, mask);  in _mesa_StencilFuncSeparate_no_error()
499 _mesa_StencilFuncSeparate(GLenum face, GLenum func, GLint ref, GLuint mask)  in _mesa_StencilFuncSeparate()  argument
506    if (face != GL_FRONT && face != GL_BACK && face != GL_FRONT_AND_BACK) {  in _mesa_StencilFuncSeparate()
507       _mesa_error(ctx, GL_INVALID_ENUM, "glStencilFuncSeparate(face)");  in _mesa_StencilFuncSeparate()
516    stencil_func_separate(ctx, face, func, ref, mask);  in _mesa_StencilFuncSeparate()
521 stencil_mask_separate(struct gl_context *ctx, GLenum face, GLuint mask)  in stencil_mask_separate()  argument
526    if (face != GL_BACK) {  in stencil_mask_separate()
530    if (face != GL_FRONT) {  in stencil_mask_separate()
538 _mesa_StencilMaskSeparate_no_error(GLenum face, GLuint mask)  in _mesa_StencilMaskSeparate_no_error()  argument
541    stencil_mask_separate(ctx, face, mask);  in _mesa_StencilMaskSeparate_no_error()
546 _mesa_StencilMaskSeparate(GLenum face, GLuint mask)  in _mesa_StencilMaskSeparate()  argument
553    if (face != GL_FRONT && face != GL_BACK && face != GL_FRONT_AND_BACK) {  in _mesa_StencilMaskSeparate()
554       _mesa_error(ctx, GL_INVALID_ENUM, "glStencilaMaskSeparate(face)");  in _mesa_StencilMaskSeparate()
558    stencil_mask_separate(ctx, face, mask);  in _mesa_StencilMaskSeparate()