Lines Matching refs:ctx
59 validate_stencil_op(struct gl_context *ctx, GLenum op)
78 validate_stencil_func(struct gl_context *ctx, GLenum func)
110 GET_CURRENT_CONTEXT(ctx);
113 _mesa_debug(ctx, "glClearStencil(%d)\n", s);
115 ctx->Stencil.Clear = (GLuint) s;
136 GET_CURRENT_CONTEXT(ctx);
139 _mesa_debug(ctx, "glStencilFuncSeparateATI()\n");
141 if (!validate_stencil_func(ctx, frontfunc)) {
142 _mesa_error(ctx, GL_INVALID_ENUM,
146 if (!validate_stencil_func(ctx, backfunc)) {
147 _mesa_error(ctx, GL_INVALID_ENUM,
153 if (ctx->Stencil.Function[0] == frontfunc &&
154 ctx->Stencil.Function[1] == backfunc &&
155 ctx->Stencil.ValueMask[0] == mask &&
156 ctx->Stencil.ValueMask[1] == mask &&
157 ctx->Stencil.Ref[0] == ref &&
158 ctx->Stencil.Ref[1] == ref)
160 FLUSH_VERTICES(ctx, _NEW_STENCIL);
161 ctx->Stencil.Function[0] = frontfunc;
162 ctx->Stencil.Function[1] = backfunc;
163 ctx->Stencil.Ref[0] = ctx->Stencil.Ref[1] = ref;
164 ctx->Stencil.ValueMask[0] = ctx->Stencil.ValueMask[1] = mask;
165 if (ctx->Driver.StencilFuncSeparate) {
166 ctx->Driver.StencilFuncSeparate(ctx, GL_FRONT,
168 ctx->Driver.StencilFuncSeparate(ctx, GL_BACK,
190 GET_CURRENT_CONTEXT(ctx);
191 const GLint face = ctx->Stencil.ActiveFace;
194 _mesa_debug(ctx, "glStencilFunc()\n");
196 if (!validate_stencil_func(ctx, func)) {
197 _mesa_error(ctx, GL_INVALID_ENUM, "glStencilFunc(func)");
202 if (ctx->Stencil.Function[face] == func &&
203 ctx->Stencil.ValueMask[face] == mask &&
204 ctx->Stencil.Ref[face] == ref)
206 FLUSH_VERTICES(ctx, _NEW_STENCIL);
207 ctx->Stencil.Function[face] = func;
208 ctx->Stencil.Ref[face] = ref;
209 ctx->Stencil.ValueMask[face] = mask;
214 if (ctx->Driver.StencilFuncSeparate && ctx->Stencil.TestTwoSide) {
215 ctx->Driver.StencilFuncSeparate(ctx, GL_BACK, func, ref, mask);
220 if (ctx->Stencil.Function[0] == func &&
221 ctx->Stencil.Function[1] == func &&
222 ctx->Stencil.ValueMask[0] == mask &&
223 ctx->Stencil.ValueMask[1] == mask &&
224 ctx->Stencil.Ref[0] == ref &&
225 ctx->Stencil.Ref[1] == ref)
227 FLUSH_VERTICES(ctx, _NEW_STENCIL);
228 ctx->Stencil.Function[0] = ctx->Stencil.Function[1] = func;
229 ctx->Stencil.Ref[0] = ctx->Stencil.Ref[1] = ref;
230 ctx->Stencil.ValueMask[0] = ctx->Stencil.ValueMask[1] = mask;
231 if (ctx->Driver.StencilFuncSeparate) {
232 ctx->Driver.StencilFuncSeparate(ctx,
233 ((ctx->Stencil.TestTwoSide)
255 GET_CURRENT_CONTEXT(ctx);
256 const GLint face = ctx->Stencil.ActiveFace;
259 _mesa_debug(ctx, "glStencilMask()\n");
264 if (ctx->Stencil.WriteMask[face] == mask)
266 FLUSH_VERTICES(ctx, _NEW_STENCIL);
267 ctx->Stencil.WriteMask[face] = mask;
272 if (ctx->Driver.StencilMaskSeparate && ctx->Stencil.TestTwoSide) {
273 ctx->Driver.StencilMaskSeparate(ctx, GL_BACK, mask);
278 if (ctx->Stencil.WriteMask[0] == mask &&
279 ctx->Stencil.WriteMask[1] == mask)
281 FLUSH_VERTICES(ctx, _NEW_STENCIL);
282 ctx->Stencil.WriteMask[0] = ctx->Stencil.WriteMask[1] = mask;
283 if (ctx->Driver.StencilMaskSeparate) {
284 ctx->Driver.StencilMaskSeparate(ctx,
285 ((ctx->Stencil.TestTwoSide)
310 GET_CURRENT_CONTEXT(ctx);
311 const GLint face = ctx->Stencil.ActiveFace;
314 _mesa_debug(ctx, "glStencilOp()\n");
316 if (!validate_stencil_op(ctx, fail)) {
317 _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOp(sfail)");
320 if (!validate_stencil_op(ctx, zfail)) {
321 _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOp(zfail)");
324 if (!validate_stencil_op(ctx, zpass)) {
325 _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOp(zpass)");
331 if (ctx->Stencil.ZFailFunc[face] == zfail &&
332 ctx->Stencil.ZPassFunc[face] == zpass &&
333 ctx->Stencil.FailFunc[face] == fail)
335 FLUSH_VERTICES(ctx, _NEW_STENCIL);
336 ctx->Stencil.ZFailFunc[face] = zfail;
337 ctx->Stencil.ZPassFunc[face] = zpass;
338 ctx->Stencil.FailFunc[face] = fail;
343 if (ctx->Driver.StencilOpSeparate && ctx->Stencil.TestTwoSide) {
344 ctx->Driver.StencilOpSeparate(ctx, GL_BACK, fail, zfail, zpass);
349 if (ctx->Stencil.ZFailFunc[0] == zfail &&
350 ctx->Stencil.ZFailFunc[1] == zfail &&
351 ctx->Stencil.ZPassFunc[0] == zpass &&
352 ctx->Stencil.ZPassFunc[1] == zpass &&
353 ctx->Stencil.FailFunc[0] == fail &&
354 ctx->Stencil.FailFunc[1] == fail)
356 FLUSH_VERTICES(ctx, _NEW_STENCIL);
357 ctx->Stencil.ZFailFunc[0] = ctx->Stencil.ZFailFunc[1] = zfail;
358 ctx->Stencil.ZPassFunc[0] = ctx->Stencil.ZPassFunc[1] = zpass;
359 ctx->Stencil.FailFunc[0] = ctx->Stencil.FailFunc[1] = fail;
360 if (ctx->Driver.StencilOpSeparate) {
361 ctx->Driver.StencilOpSeparate(ctx,
362 ((ctx->Stencil.TestTwoSide)
375 GET_CURRENT_CONTEXT(ctx);
378 _mesa_debug(ctx, "glActiveStencilFaceEXT()\n");
380 if (!ctx->Extensions.EXT_stencil_two_side) {
381 _mesa_error(ctx, GL_INVALID_OPERATION, "glActiveStencilFaceEXT");
386 ctx->Stencil.ActiveFace = (face == GL_FRONT) ? 0 : 2;
389 _mesa_error(ctx, GL_INVALID_ENUM, "glActiveStencilFaceEXT(face)");
399 GET_CURRENT_CONTEXT(ctx);
402 _mesa_debug(ctx, "glStencilOpSeparate()\n");
404 if (!validate_stencil_op(ctx, sfail)) {
405 _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(sfail)");
408 if (!validate_stencil_op(ctx, zfail)) {
409 _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(zfail)");
412 if (!validate_stencil_op(ctx, zpass)) {
413 _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(zpass)");
417 _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(face)");
423 if (ctx->Stencil.ZFailFunc[0] != zfail ||
424 ctx->Stencil.ZPassFunc[0] != zpass ||
425 ctx->Stencil.FailFunc[0] != sfail){
426 FLUSH_VERTICES(ctx, _NEW_STENCIL);
427 ctx->Stencil.ZFailFunc[0] = zfail;
428 ctx->Stencil.ZPassFunc[0] = zpass;
429 ctx->Stencil.FailFunc[0] = sfail;
435 if (ctx->Stencil.ZFailFunc[1] != zfail ||
436 ctx->Stencil.ZPassFunc[1] != zpass ||
437 ctx->Stencil.FailFunc[1] != sfail) {
438 FLUSH_VERTICES(ctx, _NEW_STENCIL);
439 ctx->Stencil.ZFailFunc[1] = zfail;
440 ctx->Stencil.ZPassFunc[1] = zpass;
441 ctx->Stencil.FailFunc[1] = sfail;
445 if (set && ctx->Driver.StencilOpSeparate) {
446 ctx->Driver.StencilOpSeparate(ctx, face, sfail, zfail, zpass);
455 GET_CURRENT_CONTEXT(ctx);
458 _mesa_debug(ctx, "glStencilFuncSeparate()\n");
461 _mesa_error(ctx, GL_INVALID_ENUM, "glStencilFuncSeparate(face)");
464 if (!validate_stencil_func(ctx, func)) {
465 _mesa_error(ctx, GL_INVALID_ENUM, "glStencilFuncSeparate(func)");
469 FLUSH_VERTICES(ctx, _NEW_STENCIL);
473 ctx->Stencil.Function[0] = func;
474 ctx->Stencil.Ref[0] = ref;
475 ctx->Stencil.ValueMask[0] = mask;
479 ctx->Stencil.Function[1] = func;
480 ctx->Stencil.Ref[1] = ref;
481 ctx->Stencil.ValueMask[1] = mask;
483 if (ctx->Driver.StencilFuncSeparate) {
484 ctx->Driver.StencilFuncSeparate(ctx, face, func, ref, mask);
493 GET_CURRENT_CONTEXT(ctx);
496 _mesa_debug(ctx, "glStencilMaskSeparate()\n");
499 _mesa_error(ctx, GL_INVALID_ENUM, "glStencilaMaskSeparate(face)");
503 FLUSH_VERTICES(ctx, _NEW_STENCIL);
506 ctx->Stencil.WriteMask[0] = mask;
509 ctx->Stencil.WriteMask[1] = mask;
511 if (ctx->Driver.StencilMaskSeparate) {
512 ctx->Driver.StencilMaskSeparate(ctx, face, mask);
521 _mesa_update_stencil(struct gl_context *ctx)
523 const GLint face = ctx->Stencil._BackFace;
525 ctx->Stencil._Enabled = (ctx->Stencil.Enabled &&
526 ctx->DrawBuffer->Visual.stencilBits > 0);
528 ctx->Stencil._TestTwoSide =
529 ctx->Stencil._Enabled &&
530 (ctx->Stencil.Function[0] != ctx->Stencil.Function[face] ||
531 ctx->Stencil.FailFunc[0] != ctx->Stencil.FailFunc[face] ||
532 ctx->Stencil.ZPassFunc[0] != ctx->Stencil.ZPassFunc[face] ||
533 ctx->Stencil.ZFailFunc[0] != ctx->Stencil.ZFailFunc[face] ||
534 ctx->Stencil.Ref[0] != ctx->Stencil.Ref[face] ||
535 ctx->Stencil.ValueMask[0] != ctx->Stencil.ValueMask[face] ||
536 ctx->Stencil.WriteMask[0] != ctx->Stencil.WriteMask[face]);
538 ctx->Stencil._WriteEnabled =
539 ctx->Stencil._Enabled &&
540 (ctx->Stencil.WriteMask[0] != 0 ||
541 (ctx->Stencil._TestTwoSide && ctx->Stencil.WriteMask[face] != 0));
548 * \param ctx GL context.
553 _mesa_init_stencil(struct gl_context *ctx)
555 ctx->Stencil.Enabled = GL_FALSE;
556 ctx->Stencil.TestTwoSide = GL_FALSE;
557 ctx->Stencil.ActiveFace = 0; /* 0 = GL_FRONT, 2 = GL_BACK */
558 ctx->Stencil.Function[0] = GL_ALWAYS;
559 ctx->Stencil.Function[1] = GL_ALWAYS;
560 ctx->Stencil.Function[2] = GL_ALWAYS;
561 ctx->Stencil.FailFunc[0] = GL_KEEP;
562 ctx->Stencil.FailFunc[1] = GL_KEEP;
563 ctx->Stencil.FailFunc[2] = GL_KEEP;
564 ctx->Stencil.ZPassFunc[0] = GL_KEEP;
565 ctx->Stencil.ZPassFunc[1] = GL_KEEP;
566 ctx->Stencil.ZPassFunc[2] = GL_KEEP;
567 ctx->Stencil.ZFailFunc[0] = GL_KEEP;
568 ctx->Stencil.ZFailFunc[1] = GL_KEEP;
569 ctx->Stencil.ZFailFunc[2] = GL_KEEP;
570 ctx->Stencil.Ref[0] = 0;
571 ctx->Stencil.Ref[1] = 0;
572 ctx->Stencil.Ref[2] = 0;
584 ctx->Stencil.ValueMask[0] = 0xFF;
585 ctx->Stencil.ValueMask[1] = 0xFF;
586 ctx->Stencil.ValueMask[2] = 0xFF;
587 ctx->Stencil.WriteMask[0] = 0xFF;
588 ctx->Stencil.WriteMask[1] = 0xFF;
589 ctx->Stencil.WriteMask[2] = 0xFF;
591 ctx->Stencil.Clear = 0;
592 ctx->Stencil._BackFace = 1;