diff options
Diffstat (limited to 'xc/extras/Mesa/src/span.c')
| -rw-r--r-- | xc/extras/Mesa/src/span.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/xc/extras/Mesa/src/span.c b/xc/extras/Mesa/src/span.c index 38f4449f1..fd07810f2 100644 --- a/xc/extras/Mesa/src/span.c +++ b/xc/extras/Mesa/src/span.c @@ -227,6 +227,9 @@ void gl_write_index_span( GLcontext *ctx, if (_mesa_depth_test_span( ctx, n, x, y, z, mask )==0) return; } + /* if we get here, something passed the depth test */ + ctx->OcclusionResult = GL_TRUE; + if (ctx->RasterMask & MULTI_DRAW_BIT) { /* draw to zero or two or more buffers */ multi_write_index_span( ctx, n, x, y, index, mask ); @@ -287,6 +290,9 @@ void gl_write_monoindex_span( GLcontext *ctx, if (_mesa_depth_test_span( ctx, n, x, y, z, mask )==0) return; } + /* if we get here, something passed the depth test */ + ctx->OcclusionResult = GL_TRUE; + if (ctx->Color.DrawBuffer == GL_NONE) { /* write no pixels */ return; @@ -486,6 +492,9 @@ void gl_write_rgba_span( GLcontext *ctx, } } + /* if we get here, something passed the depth test */ + ctx->OcclusionResult = GL_TRUE; + if (ctx->RasterMask & MULTI_DRAW_BIT) { multi_write_rgba_span( ctx, n, x, y, (const GLubyte (*)[4]) rgba, @@ -596,6 +605,9 @@ void gl_write_monocolor_span( GLcontext *ctx, } } + /* if we get here, something passed the depth test */ + ctx->OcclusionResult = GL_TRUE; + if (ctx->Color.DrawBuffer == GL_NONE) { /* write no pixels */ return; @@ -785,6 +797,9 @@ void gl_write_texture_span( GLcontext *ctx, } } + /* if we get here, something passed the depth test */ + ctx->OcclusionResult = GL_TRUE; + if (ctx->RasterMask & MULTI_DRAW_BIT) { multi_write_rgba_span( ctx, n, x, y, (const GLubyte (*)[4])rgba, write_all ? Null : mask ); @@ -912,8 +927,12 @@ gl_write_multitexture_span( GLcontext *ctx, GLuint texUnits, } } + /* if we get here, something passed the depth test */ + ctx->OcclusionResult = GL_TRUE; + if (ctx->RasterMask & MULTI_DRAW_BIT) { - multi_write_rgba_span( ctx, n, x, y, (const GLubyte (*)[4]) rgba, write_all ? Null : mask ); + multi_write_rgba_span( ctx, n, x, y, (const GLubyte (*)[4]) rgba, + write_all ? Null : mask ); } else { /* normal: write to exactly one buffer */ |