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Viewing changes to src/mesa/main/clip.c

  • Committer: Bazaar Package Importer
  • Author(s): Cyril Brulebois
  • Date: 2011-06-19 21:26:00 UTC
  • mfrom: (1.6.1 upstream) (3.3.18 sid)
  • mto: (3.3.20 sid)
  • mto: This revision was merged to the branch mainline in revision 145.
  • Revision ID: james.westby@ubuntu.com-20110619212600-rleaapdmnbtstekb
Tags: 7.11~0-2
Thank you sbuild for giving a green light when that's not actually the
case. Fix missing Pre-Depends for the libegl1-mesa-drivers package
(multiarch-support).

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Lines of Context:
src/mesa/main/clip.c
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#include "math/m_matrix.h"
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/**********************************************************************/
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/*                     Get/Set User clip-planes.                      */
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/**********************************************************************/
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/**
 
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 * Update derived clip plane state.
 
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 */
 
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void
 
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_mesa_update_clip_plane(struct gl_context *ctx, GLuint plane)
 
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{
 
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   if (_math_matrix_is_dirty(ctx->ProjectionMatrixStack.Top))
 
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      _math_matrix_analyse( ctx->ProjectionMatrixStack.Top );
 
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   /* Clip-Space Plane = Eye-Space Plane * Projection Matrix */
 
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   _mesa_transform_vector(ctx->Transform._ClipUserPlane[plane],
 
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                          ctx->Transform.EyeUserPlane[plane],
 
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                          ctx->ProjectionMatrixStack.Top->inv);
 
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}
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void GLAPIENTRY
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   FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
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   COPY_4FV(ctx->Transform.EyeUserPlane[p], equation);
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   /* Update derived state.  This state also depends on the projection
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    * matrix, and is recalculated on changes to the projection matrix by
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    * code in _mesa_update_state().
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    */
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   if (ctx->Transform.ClipPlanesEnabled & (1 << p)) {
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      if (_math_matrix_is_dirty(ctx->ProjectionMatrixStack.Top))
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         _math_matrix_analyse( ctx->ProjectionMatrixStack.Top );
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      _mesa_transform_vector( ctx->Transform._ClipUserPlane[p],
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                           ctx->Transform.EyeUserPlane[p],
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                           ctx->ProjectionMatrixStack.Top->inv );
 
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      _mesa_update_clip_plane(ctx, p);
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   }
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   if (ctx->Driver.ClipPlane)