From c664f0c5155da800c34de1783754313e86654eda Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Thu, 30 Dec 2004 16:30:26 +0000 Subject: Calculate DEPTH_SCALE correctly for polygon offset. --- src/mesa/drivers/dri/unichrome/via_context.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'src/mesa/drivers/dri/unichrome/via_context.c') diff --git a/src/mesa/drivers/dri/unichrome/via_context.c b/src/mesa/drivers/dri/unichrome/via_context.c index b3cc66f087..4c70af60c8 100644 --- a/src/mesa/drivers/dri/unichrome/via_context.c +++ b/src/mesa/drivers/dri/unichrome/via_context.c @@ -356,6 +356,7 @@ viaCreateContext(const __GLcontextModes *mesaVis, vmesa->depth_max = (GLfloat)0xffff; vmesa->depth_clear_mask = 0xf << 28; vmesa->ClearDepth = 0xffff; + vmesa->polygon_offset_scale = 1.0 / vmesa->depth_max; break; case 24: vmesa->hasDepth = GL_TRUE; @@ -370,6 +371,7 @@ viaCreateContext(const __GLcontextModes *mesaVis, vmesa->have_hw_stencil = GL_TRUE; vmesa->stencilBits = mesaVis->stencilBits; vmesa->stencil_clear_mask = 0x1 << 28; + vmesa->polygon_offset_scale = 2.0 / vmesa->depth_max; break; case 32: vmesa->hasDepth = GL_TRUE; @@ -380,6 +382,7 @@ viaCreateContext(const __GLcontextModes *mesaVis, vmesa->depth_clear_mask = 0; vmesa->ClearDepth = 0xffffffff; vmesa->depth_clear_mask = 0xf << 28; + vmesa->polygon_offset_scale = 2.0 / vmesa->depth_max; break; default: assert(0); -- cgit v1.2.3