diff options
Diffstat (limited to 'src/mesa/state_tracker/st_atom_stencil.c')
| -rw-r--r-- | src/mesa/state_tracker/st_atom_stencil.c | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/src/mesa/state_tracker/st_atom_stencil.c b/src/mesa/state_tracker/st_atom_stencil.c deleted file mode 100644 index b8aec0b3b6..0000000000 --- a/src/mesa/state_tracker/st_atom_stencil.c +++ /dev/null @@ -1,141 +0,0 @@ -/************************************************************************** - * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - - /* - * Authors: - * Keith Whitwell <keith@tungstengraphics.com> - * Brian Paul - */ - - -#include "st_context.h" -#include "st_atom.h" -#include "pipe/p_context.h" -#include "pipe/p_defines.h" - - -/** - * Convert GLenum stencil func tokens to pipe tokens. - */ -static GLuint -gl_stencil_func_to_sp(GLenum func) -{ - /* Same values, just biased */ - assert(PIPE_FUNC_NEVER == GL_NEVER - GL_NEVER); - assert(PIPE_FUNC_LESS == GL_LESS - GL_NEVER); - assert(PIPE_FUNC_EQUAL == GL_EQUAL - GL_NEVER); - assert(PIPE_FUNC_LEQUAL == GL_LEQUAL - GL_NEVER); - assert(PIPE_FUNC_GREATER == GL_GREATER - GL_NEVER); - assert(PIPE_FUNC_NOTEQUAL == GL_NOTEQUAL - GL_NEVER); - assert(PIPE_FUNC_GEQUAL == GL_GEQUAL - GL_NEVER); - assert(PIPE_FUNC_ALWAYS == GL_ALWAYS - GL_NEVER); - assert(func >= GL_NEVER); - assert(func <= GL_ALWAYS); - return func - GL_NEVER; -} - - -/** - * Convert GLenum stencil op tokens to pipe tokens. - */ -static GLuint -gl_stencil_op_to_sp(GLenum func) -{ - switch (func) { - case GL_KEEP: - return PIPE_STENCIL_OP_KEEP; - case GL_ZERO: - return PIPE_STENCIL_OP_ZERO; - case GL_REPLACE: - return PIPE_STENCIL_OP_REPLACE; - case GL_INCR: - return PIPE_STENCIL_OP_INCR; - case GL_DECR: - return PIPE_STENCIL_OP_DECR; - case GL_INCR_WRAP: - return PIPE_STENCIL_OP_INCR_WRAP; - case GL_DECR_WRAP: - return PIPE_STENCIL_OP_DECR_WRAP; - case GL_INVERT: - return PIPE_STENCIL_OP_INVERT; - default: - assert("invalid GL token in gl_stencil_op_to_sp()" == NULL); - return 0; - } -} - - -static void -update_stencil( struct st_context *st ) -{ - struct pipe_stencil_state stencil; - - memset(&stencil, 0, sizeof(stencil)); - - if (st->ctx->Stencil.Enabled) { - stencil.front_enabled = 1; - stencil.front_func = gl_stencil_func_to_sp(st->ctx->Stencil.Function[0]); - stencil.front_fail_op = gl_stencil_op_to_sp(st->ctx->Stencil.FailFunc[0]); - stencil.front_zfail_op = gl_stencil_op_to_sp(st->ctx->Stencil.ZFailFunc[0]); - stencil.front_zpass_op = gl_stencil_op_to_sp(st->ctx->Stencil.ZPassFunc[0]); - stencil.ref_value[0] = st->ctx->Stencil.Ref[0] & 0xff; - stencil.value_mask[0] = st->ctx->Stencil.ValueMask[0] & 0xff; - stencil.write_mask[0] = st->ctx->Stencil.WriteMask[0] & 0xff; - if (st->ctx->Stencil.TestTwoSide) { - stencil.back_enabled = 1; - stencil.back_func = gl_stencil_func_to_sp(st->ctx->Stencil.Function[1]); - stencil.back_fail_op = gl_stencil_op_to_sp(st->ctx->Stencil.FailFunc[1]); - stencil.back_zfail_op = gl_stencil_op_to_sp(st->ctx->Stencil.ZFailFunc[1]); - stencil.back_zpass_op = gl_stencil_op_to_sp(st->ctx->Stencil.ZPassFunc[1]); - stencil.ref_value[1] = st->ctx->Stencil.Ref[1] & 0xff; - stencil.value_mask[1] = st->ctx->Stencil.ValueMask[1] & 0xff; - stencil.write_mask[1] = st->ctx->Stencil.WriteMask[1] & 0xff; - } - stencil.clear_value = st->ctx->Stencil.Clear & 0xff; - } - - if (memcmp(&stencil, &st->state.stencil, sizeof(stencil)) != 0) { - /* state has changed */ - st->state.stencil = stencil; /* struct copy */ - st->pipe->set_stencil_state(st->pipe, &stencil); /* set new state */ - } -} - - -const struct st_tracked_state st_update_stencil = { - .name = "st_update_stencil", - .dirty = { - .mesa = (_NEW_STENCIL), - .st = 0, - }, - .update = update_stencil -}; - - - - - |