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authorIan Romanick <ian.d.romanick@intel.com>2010-09-18 16:41:44 +0200
committerIan Romanick <ian.d.romanick@intel.com>2010-09-27 15:23:14 -0700
commit02984e3536bf9a4f149916b45d727659c8dc9a7c (patch)
tree93446695962768698aef01c3306535b823c238c8 /src/mesa/tnl
parent4b1f98241f9601c2b163bb41e45aa567f9cd61dd (diff)
Remove GL_EXT_cull_vertex
This is only used in the i915 driver where it provides little benefit for very few applications that use it with fixed function TNL.
Diffstat (limited to 'src/mesa/tnl')
-rw-r--r--src/mesa/tnl/t_pipeline.h1
-rw-r--r--src/mesa/tnl/t_vb_cull.c96
2 files changed, 0 insertions, 97 deletions
diff --git a/src/mesa/tnl/t_pipeline.h b/src/mesa/tnl/t_pipeline.h
index d110010f04..a6429869cb 100644
--- a/src/mesa/tnl/t_pipeline.h
+++ b/src/mesa/tnl/t_pipeline.h
@@ -44,7 +44,6 @@ extern void _tnl_install_pipeline( GLcontext *ctx,
/* These are implemented in the t_vb_*.c files:
*/
extern const struct tnl_pipeline_stage _tnl_vertex_transform_stage;
-extern const struct tnl_pipeline_stage _tnl_vertex_cull_stage;
extern const struct tnl_pipeline_stage _tnl_normal_transform_stage;
extern const struct tnl_pipeline_stage _tnl_lighting_stage;
extern const struct tnl_pipeline_stage _tnl_fog_coordinate_stage;
diff --git a/src/mesa/tnl/t_vb_cull.c b/src/mesa/tnl/t_vb_cull.c
deleted file mode 100644
index 22df716673..0000000000
--- a/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 */
-};