/**
* Called by glPolygonStipple.
*/
void GLAPIENTRY
_mesa_PolygonStipple(const GLubyte *pattern)
{
GET_CURRENT_CONTEXT(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glPolygonStipple\n");
FLUSH_VERTICES(ctx, _NEW_POLYGONSTIPPLE);
pattern = _mesa_map_validate_pbo_source(ctx, 2,
&ctx->Unpack, 32, 32, 1,
GL_COLOR_INDEX, GL_BITMAP,
INT_MAX, pattern,
"glPolygonStipple");
if (!pattern)
return;
_mesa_unpack_polygon_stipple(pattern, ctx->PolygonStipple, &ctx->Unpack);
_mesa_unmap_pbo_source(ctx, &ctx->Unpack);
if (ctx->Driver.PolygonStipple)
ctx->Driver.PolygonStipple(ctx, pattern);
}
/**
* This routine updates the ctx->Polygon.Stipple state.
* If we're getting the stipple data from a PBO, we map the buffer
* in order to access the data.
* In any case, we obey the current pixel unpacking parameters when fetching
* the stipple data.
*
* In the future, this routine should be used as a fallback, called via
* ctx->Driver.PolygonStipple(). We'll have to update all the DRI drivers
* too.
*/
void
_mesa_polygon_stipple(GLcontext *ctx, const GLubyte *pattern)
{
pattern = _mesa_map_validate_pbo_source(ctx, 2,
&ctx->Unpack, 32, 32, 1,
GL_COLOR_INDEX, GL_BITMAP, pattern,
"glPolygonStipple");
if (!pattern)
return;
_mesa_unpack_polygon_stipple(pattern, ctx->PolygonStipple, &ctx->Unpack);
_mesa_unmap_pbo_source(ctx, &ctx->Unpack);
}
void GLAPIENTRY
_mesa_PolygonStipple( const GLubyte *pattern )
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE&VERBOSE_API)
_mesa_debug(ctx, "glPolygonStipple\n");
FLUSH_VERTICES(ctx, _NEW_POLYGONSTIPPLE);
_mesa_unpack_polygon_stipple(pattern, ctx->PolygonStipple, &ctx->Unpack);
if (ctx->Driver.PolygonStipple)
ctx->Driver.PolygonStipple( ctx, (const GLubyte *) ctx->PolygonStipple );
}