diff options
Diffstat (limited to 'src/mesa/swrast/s_span.c')
| -rw-r--r-- | src/mesa/swrast/s_span.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c index f23272c2be..f1e58bd3d8 100644 --- a/src/mesa/swrast/s_span.c +++ b/src/mesa/swrast/s_span.c @@ -64,8 +64,11 @@ _swrast_span_default_attribs(GLcontext *ctx, SWspan *span) const GLfloat depthMax = ctx->DrawBuffer->_DepthMaxF; if (ctx->DrawBuffer->Visual.depthBits <= 16) span->z = FloatToFixed(ctx->Current.RasterPos[2] * depthMax + 0.5F); - else - span->z = (GLint) (ctx->Current.RasterPos[2] * depthMax + 0.5F); + else { + GLfloat tmpf = ctx->Current.RasterPos[2] * depthMax; + tmpf = MIN2(tmpf, depthMax); + span->z = (GLint)tmpf; + } span->zStep = 0; span->interpMask |= SPAN_Z; } @@ -873,7 +876,7 @@ _swrast_write_index_span( GLcontext *ctx, SWspan *span) #endif /* we have to wait until after occlusion to do this test */ - if (ctx->Color.DrawBuffer == GL_NONE || ctx->Color.IndexMask == 0) { + if (ctx->Color.IndexMask == 0) { /* write no pixels */ span->arrayMask = origArrayMask; return; @@ -1358,7 +1361,7 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span) #if CHAN_BITS == 32 if ((span->arrayAttribs & FRAG_BIT_COL0) == 0) { - interpolate_int_colors(ctx, span); + interpolate_active_attribs(ctx, span, FRAG_BIT_COL0); } #else if ((span->arrayMask & SPAN_RGBA) == 0) { |