diff options
| author | Brian <brian.paul@tungstengraphics.com> | 2007-08-24 09:52:25 -0600 |
|---|---|---|
| committer | Brian <brian.paul@tungstengraphics.com> | 2007-08-24 11:06:13 -0600 |
| commit | 6998402016e146d6afe06549ce2fb5941d6b03c7 (patch) | |
| tree | 53ab89172628cc470cc825f2535685fa5f888934 /src/mesa | |
| parent | c89502bb4e6d80182e4977ab084639850e1eba68 (diff) | |
emit S4_VFMT_XYZ vs. S4_VFMT_XYZW as needed
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/pipe/i915simple/i915_state_derived.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/src/mesa/pipe/i915simple/i915_state_derived.c b/src/mesa/pipe/i915simple/i915_state_derived.c index 426d43f288..c24f54580e 100644 --- a/src/mesa/pipe/i915simple/i915_state_derived.c +++ b/src/mesa/pipe/i915simple/i915_state_derived.c @@ -41,8 +41,6 @@ emit_vertex_attr(struct vertex_info *vinfo, uint vfAttr, uint format) const uint n = vinfo->num_attribs; vinfo->attr_mask |= (1 << vfAttr); vinfo->slot_to_attrib[n] = vfAttr; - printf("Vertex slot %d = vfattrib %d\n", n, vfAttr); - /*vinfo->interp_mode[n] = interpMode;*/ vinfo->format[n] = format; vinfo->num_attribs++; } @@ -92,15 +90,13 @@ static void calculate_vertex_layout( struct i915_context *i915 ) { const unsigned inputsRead = i915->fs.inputs_read; struct vertex_info *vinfo = &i915->current.vertex_info; + boolean needW = 0; memset(vinfo, 0, sizeof(*vinfo)); - /* TODO - Figure out if we need to do perspective divide, etc. - */ - /* pos */ emit_vertex_attr(vinfo, TGSI_ATTRIB_POS, FORMAT_3F); - vinfo->hwfmt[0] |= S4_VFMT_XYZ; + /* Note: we'll set the S4_VFMT_XYZ[W] bits below */ /* color0 */ if (inputsRead & (1 << TGSI_ATTRIB_COLOR0)) { @@ -125,6 +121,7 @@ static void calculate_vertex_layout( struct i915_context *i915 ) if (inputsRead & (1 << i)) { emit_vertex_attr(vinfo, i, FORMAT_4F); hwtc = TEXCOORDFMT_4D; + needW = TRUE; } else { hwtc = TEXCOORDFMT_NOT_PRESENT; @@ -133,6 +130,16 @@ static void calculate_vertex_layout( struct i915_context *i915 ) } } + /* go back and fill in the vertex position info now that we have needW */ + if (needW) { + vinfo->hwfmt[0] |= S4_VFMT_XYZW; + vinfo->format[0] = FORMAT_4F; + } + else { + vinfo->hwfmt[0] |= S4_VFMT_XYZ; + vinfo->format[0] == FORMAT_3F; + } + /* Additional attributes required for setup: Just twosided * lighting. Edgeflag is dealt with specially by setting bits in * the vertex header. |