diff options
| author | Eric Anholt <eric@anholt.net> | 2009-08-04 11:28:26 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2009-08-04 15:32:18 -0700 |
| commit | de80eeea0eebf00ee678b1a0fbd5fe67b00a8636 (patch) | |
| tree | 2a59f8cfc8ff21d08ab3bb2f5ae01674dc602c75 /src/mesa/drivers/dri/i915/i830_state.c | |
| parent | b010814e9c7ed30cbdd60a49d81a6ea774c8c3a3 (diff) | |
intel: Add support for EXT_provoking_vertex.
Diffstat (limited to 'src/mesa/drivers/dri/i915/i830_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/i915/i830_state.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i915/i830_state.c b/src/mesa/drivers/dri/i915/i830_state.c index 8ef6c9144f1..645ebe30577 100644 --- a/src/mesa/drivers/dri/i915/i830_state.c +++ b/src/mesa/drivers/dri/i915/i830_state.c @@ -1047,6 +1047,16 @@ i830_init_packets(struct i830_context *i830) TEXBIND_SET1(TEXCOORDSRC_VTXSET_1) | TEXBIND_SET0(TEXCOORDSRC_VTXSET_0)); + i830->state.RasterRules[I830_RASTER_RULES] = (_3DSTATE_RASTER_RULES_CMD | + ENABLE_POINT_RASTER_RULE | + OGL_POINT_RASTER_RULE | + ENABLE_LINE_STRIP_PROVOKE_VRTX | + ENABLE_TRI_FAN_PROVOKE_VRTX | + ENABLE_TRI_STRIP_PROVOKE_VRTX | + LINE_STRIP_PROVOKE_VRTX(1) | + TRI_FAN_PROVOKE_VRTX(2) | + TRI_STRIP_PROVOKE_VRTX(2)); + i830->state.Stipple[I830_STPREG_ST0] = _3DSTATE_STIPPLE; @@ -1058,6 +1068,27 @@ i830_init_packets(struct i830_context *i830) i830->state.Buffer[I830_DESTREG_SR2] = 0; } +void +i830_update_provoking_vertex(GLcontext * ctx) +{ + struct i830_context *i830 = i830_context(ctx); + + I830_STATECHANGE(i830, I830_UPLOAD_RASTER_RULES); + i830->state.RasterRules[I830_RASTER_RULES] &= ~(LINE_STRIP_PROVOKE_VRTX_MASK | + TRI_FAN_PROVOKE_VRTX_MASK | + TRI_STRIP_PROVOKE_VRTX_MASK); + + /* _NEW_LIGHT */ + if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION) { + i830->state.RasterRules[I830_RASTER_RULES] |= (LINE_STRIP_PROVOKE_VRTX(1) | + TRI_FAN_PROVOKE_VRTX(2) | + TRI_STRIP_PROVOKE_VRTX(2)); + } else { + i830->state.RasterRules[I830_RASTER_RULES] |= (LINE_STRIP_PROVOKE_VRTX(0) | + TRI_FAN_PROVOKE_VRTX(1) | + TRI_STRIP_PROVOKE_VRTX(0)); + } +} void i830InitStateFuncs(struct dd_function_table *functions) @@ -1101,6 +1132,7 @@ i830InitState(struct i830_context *i830) i830->current = &i830->state; i830->state.emitted = 0; i830->state.active = (I830_UPLOAD_INVARIENT | + I830_UPLOAD_RASTER_RULES | I830_UPLOAD_TEXBLEND(0) | I830_UPLOAD_STIPPLE | I830_UPLOAD_CTX | I830_UPLOAD_BUFFERS); |