From de80eeea0eebf00ee678b1a0fbd5fe67b00a8636 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Tue, 4 Aug 2009 11:28:26 -0700 Subject: intel: Add support for EXT_provoking_vertex. --- src/mesa/drivers/dri/i915/i915_state.c | 35 +++++++++++++++++++++++++++++++++- 1 file changed, 34 insertions(+), 1 deletion(-) (limited to 'src/mesa/drivers/dri/i915/i915_state.c') diff --git a/src/mesa/drivers/dri/i915/i915_state.c b/src/mesa/drivers/dri/i915/i915_state.c index 670451bc838..b60efea75bd 100644 --- a/src/mesa/drivers/dri/i915/i915_state.c +++ b/src/mesa/drivers/dri/i915/i915_state.c @@ -1033,6 +1033,13 @@ i915_init_packets(struct i915_context *i915) i915->state.Buffer[I915_DESTREG_SR2] = 0; } + i915->state.RasterRules[I915_RASTER_RULES] = _3DSTATE_RASTER_RULES_CMD | + ENABLE_POINT_RASTER_RULE | + OGL_POINT_RASTER_RULE | + ENABLE_LINE_STRIP_PROVOKE_VRTX | + ENABLE_TRI_FAN_PROVOKE_VRTX | + LINE_STRIP_PROVOKE_VRTX(1) | + TRI_FAN_PROVOKE_VRTX(2) | ENABLE_TEXKILL_3D_4D | TEXKILL_4D; #if 0 { @@ -1053,7 +1060,33 @@ i915_init_packets(struct i915_context *i915) i915->state.active = (I915_UPLOAD_PROGRAM | I915_UPLOAD_STIPPLE | I915_UPLOAD_CTX | - I915_UPLOAD_BUFFERS | I915_UPLOAD_INVARIENT); + I915_UPLOAD_BUFFERS | + I915_UPLOAD_INVARIENT | + I915_UPLOAD_RASTER_RULES); +} + +void +i915_update_provoking_vertex(GLcontext * ctx) +{ + struct i915_context *i915 = I915_CONTEXT(ctx); + + I915_STATECHANGE(i915, I915_UPLOAD_CTX); + i915->state.Ctx[I915_CTXREG_LIS6] &= ~(S6_TRISTRIP_PV_MASK); + + I915_STATECHANGE(i915, I915_UPLOAD_RASTER_RULES); + i915->state.RasterRules[I915_RASTER_RULES] &= ~(LINE_STRIP_PROVOKE_VRTX_MASK | + TRI_FAN_PROVOKE_VRTX_MASK); + + /* _NEW_LIGHT */ + if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION) { + i915->state.RasterRules[I915_RASTER_RULES] |= (LINE_STRIP_PROVOKE_VRTX(1) | + TRI_FAN_PROVOKE_VRTX(2)); + i915->state.Ctx[I915_CTXREG_LIS6] |= (2 << S6_TRISTRIP_PV_SHIFT); + } else { + i915->state.RasterRules[I915_RASTER_RULES] |= (LINE_STRIP_PROVOKE_VRTX(0) | + TRI_FAN_PROVOKE_VRTX(1)); + i915->state.Ctx[I915_CTXREG_LIS6] |= (0 << S6_TRISTRIP_PV_SHIFT); + } } void -- cgit v1.2.3