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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/main/stencil.c')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/main/stencil.c466
1 files changed, 0 insertions, 466 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/main/stencil.c b/nx-X11/extras/Mesa/src/mesa/main/stencil.c
deleted file mode 100644
index dfda4aa8f..000000000
--- a/nx-X11/extras/Mesa/src/mesa/main/stencil.c
+++ /dev/null
@@ -1,466 +0,0 @@
-/**
- * \file stencil.c
- * Stencil operations.
- */
-
-/*
- * Mesa 3-D graphics library
- * Version: 6.3
- *
- * Copyright (C) 1999-2005 Brian Paul 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, sublicense,
- * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL 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.
- */
-
-
-#include "glheader.h"
-#include "imports.h"
-#include "context.h"
-#include "depth.h"
-#include "macros.h"
-#include "stencil.h"
-#include "mtypes.h"
-#include "enable.h"
-
-
-/**
- * Set the clear value for the stencil buffer.
- *
- * \param s clear value.
- *
- * \sa glClearStencil().
- *
- * Updates gl_stencil_attrib::Clear. On change
- * flushes the vertices and notifies the driver via
- * the dd_function_table::ClearStencil callback.
- */
-void GLAPIENTRY
-_mesa_ClearStencil( GLint s )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (ctx->Stencil.Clear == (GLstencil) s)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
- ctx->Stencil.Clear = (GLstencil) s;
-
- if (ctx->Driver.ClearStencil) {
- (*ctx->Driver.ClearStencil)( ctx, s );
- }
-}
-
-
-/**
- * Set the function and reference value for stencil testing.
- *
- * \param func test function.
- * \param ref reference value.
- * \param mask bitmask.
- *
- * \sa glStencilFunc().
- *
- * Verifies the parameters and updates the respective values in
- * __GLcontextRec::Stencil. On change flushes the vertices and notifies the
- * driver via the dd_function_table::StencilFunc callback.
- */
-void GLAPIENTRY
-_mesa_StencilFunc( GLenum func, GLint ref, GLuint mask )
-{
- GET_CURRENT_CONTEXT(ctx);
- const GLint face = ctx->Stencil.ActiveFace;
- GLint maxref;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- switch (func) {
- case GL_NEVER:
- case GL_LESS:
- case GL_LEQUAL:
- case GL_GREATER:
- case GL_GEQUAL:
- case GL_EQUAL:
- case GL_NOTEQUAL:
- case GL_ALWAYS:
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glStencilFunc" );
- return;
- }
-
- maxref = (1 << STENCIL_BITS) - 1;
- ref = (GLstencil) CLAMP( ref, 0, maxref );
-
- if (ctx->Stencil.Function[face] == func &&
- ctx->Stencil.ValueMask[face] == (GLstencil) mask &&
- ctx->Stencil.Ref[face] == ref)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
- ctx->Stencil.Function[face] = func;
- ctx->Stencil.Ref[face] = ref;
- ctx->Stencil.ValueMask[face] = (GLstencil) mask;
-
- if (ctx->Driver.StencilFunc) {
- (*ctx->Driver.StencilFunc)( ctx, func, ref, mask );
- }
-}
-
-
-/**
- * Set the stencil writing mask.
- *
- * \param mask bit-mask to enable/disable writing of individual bits in the
- * stencil planes.
- *
- * \sa glStencilMask().
- *
- * Updates gl_stencil_attrib::WriteMask. On change flushes the vertices and
- * notifies the driver via the dd_function_table::StencilMask callback.
- */
-void GLAPIENTRY
-_mesa_StencilMask( GLuint mask )
-{
- GET_CURRENT_CONTEXT(ctx);
- const GLint face = ctx->Stencil.ActiveFace;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (ctx->Stencil.WriteMask[face] == (GLstencil) mask)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
- ctx->Stencil.WriteMask[face] = (GLstencil) mask;
-
- if (ctx->Driver.StencilMask) {
- (*ctx->Driver.StencilMask)( ctx, mask );
- }
-}
-
-
-/**
- * Set the stencil test actions.
- *
- * \param fail action to take when stencil test fails.
- * \param zfail action to take when stencil test passes, but the depth test fails.
- * \param zpass action to take when stencil test passes and the depth test
- * passes (or depth testing is not enabled).
- *
- * \sa glStencilOp().
- *
- * Verifies the parameters and updates the respective fields in
- * __GLcontextRec::Stencil. On change flushes the vertices and notifies the
- * driver via the dd_function_table::StencilOp callback.
- */
-void GLAPIENTRY
-_mesa_StencilOp(GLenum fail, GLenum zfail, GLenum zpass)
-{
- GET_CURRENT_CONTEXT(ctx);
- const GLint face = ctx->Stencil.ActiveFace;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- switch (fail) {
- case GL_KEEP:
- case GL_ZERO:
- case GL_REPLACE:
- case GL_INCR:
- case GL_DECR:
- case GL_INVERT:
- break;
- case GL_INCR_WRAP_EXT:
- case GL_DECR_WRAP_EXT:
- if (ctx->Extensions.EXT_stencil_wrap) {
- break;
- }
- /* FALL-THROUGH */
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOp");
- return;
- }
- switch (zfail) {
- case GL_KEEP:
- case GL_ZERO:
- case GL_REPLACE:
- case GL_INCR:
- case GL_DECR:
- case GL_INVERT:
- break;
- case GL_INCR_WRAP_EXT:
- case GL_DECR_WRAP_EXT:
- if (ctx->Extensions.EXT_stencil_wrap) {
- break;
- }
- /* FALL-THROUGH */
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOp");
- return;
- }
- switch (zpass) {
- case GL_KEEP:
- case GL_ZERO:
- case GL_REPLACE:
- case GL_INCR:
- case GL_DECR:
- case GL_INVERT:
- break;
- case GL_INCR_WRAP_EXT:
- case GL_DECR_WRAP_EXT:
- if (ctx->Extensions.EXT_stencil_wrap) {
- break;
- }
- /* FALL-THROUGH */
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOp");
- return;
- }
-
- if (ctx->Stencil.ZFailFunc[face] == zfail &&
- ctx->Stencil.ZPassFunc[face] == zpass &&
- ctx->Stencil.FailFunc[face] == fail)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
- ctx->Stencil.ZFailFunc[face] = zfail;
- ctx->Stencil.ZPassFunc[face] = zpass;
- ctx->Stencil.FailFunc[face] = fail;
-
- if (ctx->Driver.StencilOp) {
- (*ctx->Driver.StencilOp)(ctx, fail, zfail, zpass);
- }
-}
-
-
-
-#if _HAVE_FULL_GL
-/* GL_EXT_stencil_two_side */
-void GLAPIENTRY
-_mesa_ActiveStencilFaceEXT(GLenum face)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (face == GL_FRONT || face == GL_BACK) {
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
- ctx->Stencil.ActiveFace = (face == GL_FRONT) ? 0 : 1;
- }
-
- if (ctx->Driver.ActiveStencilFace) {
- (*ctx->Driver.ActiveStencilFace)( ctx, (GLuint) ctx->Stencil.ActiveFace );
- }
-}
-#endif
-
-
-
-/**
- * OpenGL 2.0 function.
- * \todo Make StencilOp() call this function. And eventually remove the
- * ctx->Driver.StencilOp function and use ctx->Driver.StencilOpSeparate
- * instead.
- */
-void GLAPIENTRY
-_mesa_StencilOpSeparate(GLenum face, GLenum fail, GLenum zfail, GLenum zpass)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (face != GL_FRONT && face != GL_BACK && face != GL_FRONT_AND_BACK) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(face)");
- return;
- }
-
- switch (fail) {
- case GL_KEEP:
- case GL_ZERO:
- case GL_REPLACE:
- case GL_INCR:
- case GL_DECR:
- case GL_INVERT:
- break;
- case GL_INCR_WRAP_EXT:
- case GL_DECR_WRAP_EXT:
- if (ctx->Extensions.EXT_stencil_wrap) {
- break;
- }
- /* FALL-THROUGH */
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(fail)");
- return;
- }
- switch (zfail) {
- case GL_KEEP:
- case GL_ZERO:
- case GL_REPLACE:
- case GL_INCR:
- case GL_DECR:
- case GL_INVERT:
- break;
- case GL_INCR_WRAP_EXT:
- case GL_DECR_WRAP_EXT:
- if (ctx->Extensions.EXT_stencil_wrap) {
- break;
- }
- /* FALL-THROUGH */
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(zfail)");
- return;
- }
- switch (zpass) {
- case GL_KEEP:
- case GL_ZERO:
- case GL_REPLACE:
- case GL_INCR:
- case GL_DECR:
- case GL_INVERT:
- break;
- case GL_INCR_WRAP_EXT:
- case GL_DECR_WRAP_EXT:
- if (ctx->Extensions.EXT_stencil_wrap) {
- break;
- }
- /* FALL-THROUGH */
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(zpass)");
- return;
- }
-
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
-
- if (face == GL_FRONT || face == GL_FRONT_AND_BACK) {
- ctx->Stencil.FailFunc[0] = fail;
- ctx->Stencil.ZFailFunc[0] = zfail;
- ctx->Stencil.ZPassFunc[0] = zpass;
- }
- if (face == GL_BACK || face == GL_FRONT_AND_BACK) {
- ctx->Stencil.FailFunc[1] = fail;
- ctx->Stencil.ZFailFunc[1] = zfail;
- ctx->Stencil.ZPassFunc[1] = zpass;
- }
-
- if (ctx->Driver.StencilOpSeparate) {
- ctx->Driver.StencilOpSeparate(ctx, face, fail, zfail, zpass);
- }
-}
-
-
-/* OpenGL 2.0 */
-void GLAPIENTRY
-_mesa_StencilFuncSeparate(GLenum face, GLenum func, GLint ref, GLuint mask)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLint maxref;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (face != GL_FRONT && face != GL_BACK && face != GL_FRONT_AND_BACK) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glStencilFuncSeparate(face)");
- return;
- }
-
- switch (func) {
- case GL_NEVER:
- case GL_LESS:
- case GL_LEQUAL:
- case GL_GREATER:
- case GL_GEQUAL:
- case GL_EQUAL:
- case GL_NOTEQUAL:
- case GL_ALWAYS:
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glStencilFuncSeparate(func)");
- return;
- }
-
- maxref = (1 << STENCIL_BITS) - 1;
- ref = (GLstencil) CLAMP(ref, 0, maxref);
-
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
-
- if (face == GL_FRONT || face == GL_FRONT_AND_BACK) {
- ctx->Stencil.Function[0] = func;
- ctx->Stencil.Ref[0] = ref;
- ctx->Stencil.ValueMask[0] = (GLstencil) mask;
- }
- if (face == GL_BACK || face == GL_FRONT_AND_BACK) {
- ctx->Stencil.Function[1] = func;
- ctx->Stencil.Ref[1] = ref;
- ctx->Stencil.ValueMask[1] = (GLstencil) mask;
- }
-
- if (ctx->Driver.StencilFuncSeparate) {
- ctx->Driver.StencilFuncSeparate(ctx, face, func, ref, mask);
- }
-}
-
-
-/* OpenGL 2.0 */
-void GLAPIENTRY
-_mesa_StencilMaskSeparate(GLenum face, GLuint mask)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (face != GL_FRONT && face != GL_BACK && face != GL_FRONT_AND_BACK) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glStencilaMaskSeparate(face)");
- return;
- }
-
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
-
- if (face == GL_FRONT || face == GL_FRONT_AND_BACK) {
- ctx->Stencil.WriteMask[0] = (GLstencil) mask;
- }
- if (face == GL_BACK || face == GL_FRONT_AND_BACK) {
- ctx->Stencil.WriteMask[1] = (GLstencil) mask;
- }
-
- if (ctx->Driver.StencilMaskSeparate) {
- ctx->Driver.StencilMaskSeparate(ctx, face, mask);
- }
-}
-
-
-/**
- * Initialize the context stipple state.
- *
- * \param ctx GL context.
- *
- * Initializes __GLcontextRec::Stencil attribute group.
- */
-void _mesa_init_stencil( GLcontext * ctx )
-{
-
- /* Stencil group */
- ctx->Stencil.Enabled = GL_FALSE;
- ctx->Stencil.TestTwoSide = GL_FALSE;
- ctx->Stencil.ActiveFace = 0; /* 0 = GL_FRONT, 1 = GL_BACK */
- ctx->Stencil.Function[0] = GL_ALWAYS;
- ctx->Stencil.Function[1] = GL_ALWAYS;
- ctx->Stencil.FailFunc[0] = GL_KEEP;
- ctx->Stencil.FailFunc[1] = GL_KEEP;
- ctx->Stencil.ZPassFunc[0] = GL_KEEP;
- ctx->Stencil.ZPassFunc[1] = GL_KEEP;
- ctx->Stencil.ZFailFunc[0] = GL_KEEP;
- ctx->Stencil.ZFailFunc[1] = GL_KEEP;
- ctx->Stencil.Ref[0] = 0;
- ctx->Stencil.Ref[1] = 0;
- ctx->Stencil.ValueMask[0] = STENCIL_MAX;
- ctx->Stencil.ValueMask[1] = STENCIL_MAX;
- ctx->Stencil.WriteMask[0] = STENCIL_MAX;
- ctx->Stencil.WriteMask[1] = STENCIL_MAX;
- ctx->Stencil.Clear = 0;
-}
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