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Viewing changes to src/mesa/swrast/s_depth.c

  • Committer: Bazaar Package Importer
  • Author(s): Sebastien Bacher
  • Date: 2007-02-21 12:44:07 UTC
  • mfrom: (1.2.1 upstream)
  • mto: This revision was merged to the branch mainline in revision 22.
  • Revision ID: james.westby@ubuntu.com-20070221124407-rgcacs32mycrtadl
Import upstream version 6.5.2

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src/mesa/swrast/s_depth.c
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 * Apply depth test to span of fragments.
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 */
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static GLuint
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depth_test_span( GLcontext *ctx, struct sw_span *span)
 
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depth_test_span( GLcontext *ctx, SWspan *span)
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{
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   struct gl_framebuffer *fb = ctx->DrawBuffer;
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   struct gl_renderbuffer *rb = fb->_DepthBuffer;
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static GLuint
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depth_test_pixels( GLcontext *ctx, struct sw_span *span )
 
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depth_test_pixels( GLcontext *ctx, SWspan *span )
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{
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   struct gl_framebuffer *fb = ctx->DrawBuffer;
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   struct gl_renderbuffer *rb = fb->_DepthBuffer;
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 * \return approx number of pixels that passed (only zero is reliable)
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 */
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GLuint
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_swrast_depth_test_span( GLcontext *ctx, struct sw_span *span)
 
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_swrast_depth_test_span( GLcontext *ctx, SWspan *span)
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{
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   if (span->arrayMask & SPAN_XY)
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      return depth_test_pixels(ctx, span);
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 * \return GL_TRUE if any fragments pass, GL_FALSE if no fragments pass
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 */
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GLboolean
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_swrast_depth_bounds_test( GLcontext *ctx, struct sw_span *span )
 
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_swrast_depth_bounds_test( GLcontext *ctx, SWspan *span )
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{
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   struct gl_framebuffer *fb = ctx->DrawBuffer;
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   struct gl_renderbuffer *rb = fb->_DepthBuffer;