diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2000-03-11 23:23:26 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2000-03-11 23:23:26 +0000 |
| commit | 1b2ff69f468d609a88b1cd31041df2b81931816b (patch) | |
| tree | 233ec4149c5b15bb7c348f207454ca4d9623128b /src/mesa/main/state.c | |
| parent | 516b8363bbe8e625e8e773630772da950eff7d2a (diff) | |
initial implementation of GL_HP_occlusion_test extension
Diffstat (limited to 'src/mesa/main/state.c')
| -rw-r--r-- | src/mesa/main/state.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c index 667953a65c..d82ffa5744 100644 --- a/src/mesa/main/state.c +++ b/src/mesa/main/state.c @@ -1,4 +1,4 @@ -/* $Id: state.c,v 1.4 2000/02/24 22:04:03 brianp Exp $ */ +/* $Id: state.c,v 1.5 2000/03/11 23:23:26 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -791,11 +791,21 @@ static void update_rasterflags( GLcontext *ctx ) ctx->RasterMask |= WINCLIP_BIT; } + if (ctx->Depth.OcclusionTest) { + if (ctx->Color.ColorMask[0] == 0 && + ctx->Color.ColorMask[1] == 0 && + ctx->Color.ColorMask[2] == 0 && + ctx->Color.ColorMask[3] == 0 && + ctx->Depth.Mask == GL_FALSE && + !ctx->Stencil.Enabled) { + ctx->RasterMask |= OCCLUSION_BIT; + } + } + /* If we're not drawing to exactly one color buffer set the * MULTI_DRAW_BIT flag. Also set it if we're drawing to no * buffers or the RGBA or CI mask disables all writes. */ - ctx->TriangleCaps &= ~DD_MULTIDRAW; if (ctx->Color.MultiDrawBuffer) { |