diff options
Diffstat (limited to 'src/mesa/drivers/dri/r200/r200_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/r200/r200_state.c | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/r200/r200_state.c b/src/mesa/drivers/dri/r200/r200_state.c index 825c036e27..7701256edf 100644 --- a/src/mesa/drivers/dri/r200/r200_state.c +++ b/src/mesa/drivers/dri/r200/r200_state.c @@ -468,10 +468,37 @@ static void r200Fogfv( GLcontext *ctx, GLenum pname, const GLfloat *param ) rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] &= ~R200_FOG_COLOR_MASK; rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] |= i; break; - case GL_FOG_COORDINATE_SOURCE_EXT: - /* What to do? - */ + case GL_FOG_COORD_SRC: { + GLuint fmt_0 = rmesa->hw.vtx.cmd[VTX_VTXFMT_0]; + GLuint out_0 = rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0]; + GLuint fog = rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR]; + + fog &= ~R200_FOG_USE_MASK; + if ( ctx->Fog.FogCoordinateSource == GL_FOG_COORD ) { + fog |= R200_FOG_USE_VTX_FOG; + fmt_0 |= R200_VTX_DISCRETE_FOG; + out_0 |= R200_VTX_DISCRETE_FOG; + } + else { + fog |= R200_FOG_USE_SPEC_ALPHA; + fmt_0 &= ~R200_VTX_DISCRETE_FOG; + out_0 &= ~R200_VTX_DISCRETE_FOG; + } + + if ( fog != rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] ) { + R200_STATECHANGE( rmesa, ctx ); + rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] = fog; + } + + if ( (fmt_0 != rmesa->hw.vtx.cmd[VTX_VTXFMT_0]) + || (out_0 != rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0])) { + R200_STATECHANGE( rmesa, vtx ); + rmesa->hw.vtx.cmd[VTX_VTXFMT_0] = fmt_0; + rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] = out_0; + } + break; + } default: return; } |