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authormarha <marha@users.sourceforge.net>2010-12-28 16:10:20 +0000
committermarha <marha@users.sourceforge.net>2010-12-28 16:10:20 +0000
commit807c6931fe683fd844ceec1b023232181e6aae03 (patch)
tree1a131ed95fe2200d0ad33da8f7755a7ed2364adc /mesalib/src/mesa/tnl/t_vb_cull.c
parent973099dda7e49e5abe29819a7124b3b1e7bd8b92 (diff)
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xserver and mesa git update 28-12-2010
Diffstat (limited to 'mesalib/src/mesa/tnl/t_vb_cull.c')
-rw-r--r--mesalib/src/mesa/tnl/t_vb_cull.c96
1 files changed, 0 insertions, 96 deletions
diff --git a/mesalib/src/mesa/tnl/t_vb_cull.c b/mesalib/src/mesa/tnl/t_vb_cull.c
deleted file mode 100644
index 22df71667..000000000
--- a/mesalib/src/mesa/tnl/t_vb_cull.c
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.5
- *
- * Copyright (C) 1999-2006 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.
- *
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-
-#include "main/glheader.h"
-#include "main/colormac.h"
-#include "main/macros.h"
-#include "main/imports.h"
-#include "main/mtypes.h"
-
-#include "math/m_xform.h"
-
-#include "t_context.h"
-#include "t_pipeline.h"
-
-
-
-/* EXT_vertex_cull. Not really a big win, but probably depends on
- * your application. This stage not included in the default pipeline.
- */
-static GLboolean run_cull_stage( GLcontext *ctx,
- struct tnl_pipeline_stage *stage )
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- struct vertex_buffer *VB = &tnl->vb;
-
- const GLfloat a = ctx->Transform.CullObjPos[0];
- const GLfloat b = ctx->Transform.CullObjPos[1];
- const GLfloat c = ctx->Transform.CullObjPos[2];
- GLfloat *norm = (GLfloat *)VB->AttribPtr[_TNL_ATTRIB_NORMAL]->data;
- GLuint stride = VB->AttribPtr[_TNL_ATTRIB_NORMAL]->stride;
- GLuint count = VB->Count;
- GLuint i;
-
- if (ctx->VertexProgram._Current ||
- !ctx->Transform.CullVertexFlag)
- return GL_TRUE;
-
- VB->ClipOrMask &= ~CLIP_CULL_BIT;
- VB->ClipAndMask |= CLIP_CULL_BIT;
-
- for (i = 0 ; i < count ; i++) {
- GLfloat dp = (norm[0] * a +
- norm[1] * b +
- norm[2] * c);
-
- if (dp < 0) {
- VB->ClipMask[i] |= CLIP_CULL_BIT;
- VB->ClipOrMask |= CLIP_CULL_BIT;
- }
- else {
- VB->ClipMask[i] &= ~CLIP_CULL_BIT;
- VB->ClipAndMask &= ~CLIP_CULL_BIT;
- }
-
- STRIDE_F(norm, stride);
- }
-
- return !(VB->ClipAndMask & CLIP_CULL_BIT);
-}
-
-
-
-const struct tnl_pipeline_stage _tnl_vertex_cull_stage =
-{
- "EXT_cull_vertex",
- NULL, /* private data */
- NULL, /* ctr */
- NULL, /* destructor */
- NULL,
- run_cull_stage /* run -- initially set to init */
-};