1 files changed, 110 insertions, 0 deletions
diff --git a/src/uxa/i915_3d.c b/src/uxa/i915_3d.c
new file mode 100644
index 00000000..77db5685
--- /dev/null
+++ b/src/uxa/i915_3d.c
@@ -0,0 +1,110 @@
+/**************************************************************************
+ * 
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "xf86.h"
+#include "intel.h"
+
+#include "i915_reg.h"
+
+void I915EmitInvarientState(ScrnInfoPtr scrn)
+{
+	intel_screen_private *intel = intel_get_screen_private(scrn);
+
+	assert(intel->in_batch_atomic);
+
+	OUT_BATCH(_3DSTATE_AA_CMD |
+		  AA_LINE_ECAAR_WIDTH_ENABLE |
+		  AA_LINE_ECAAR_WIDTH_1_0 |
+		  AA_LINE_REGION_WIDTH_ENABLE | AA_LINE_REGION_WIDTH_1_0);
+
+	/* Disable independent alpha blend */
+	OUT_BATCH(_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD |
+		  IAB_MODIFY_ENABLE |
+		  IAB_MODIFY_FUNC | (BLENDFUNC_ADD << IAB_FUNC_SHIFT) |
+		  IAB_MODIFY_SRC_FACTOR | (BLENDFACT_ONE <<
+					   IAB_SRC_FACTOR_SHIFT) |
+		  IAB_MODIFY_DST_FACTOR | (BLENDFACT_ZERO <<
+					   IAB_DST_FACTOR_SHIFT));
+
+	OUT_BATCH(_3DSTATE_DFLT_DIFFUSE_CMD);
+	OUT_BATCH(0);
+
+	OUT_BATCH(_3DSTATE_DFLT_SPEC_CMD);
+	OUT_BATCH(0);
+
+	OUT_BATCH(_3DSTATE_DFLT_Z_CMD);
+	OUT_BATCH(0);
+
+	/* Don't support texture crossbar yet */
+	OUT_BATCH(_3DSTATE_COORD_SET_BINDINGS |
+		  CSB_TCB(0, 0) |
+		  CSB_TCB(1, 1) |
+		  CSB_TCB(2, 2) |
+		  CSB_TCB(3, 3) |
+		  CSB_TCB(4, 4) |
+		  CSB_TCB(5, 5) | CSB_TCB(6, 6) | CSB_TCB(7, 7));
+
+	OUT_BATCH(_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);
+
+	OUT_BATCH(_3DSTATE_MODES_4_CMD |
+		  ENABLE_LOGIC_OP_FUNC | LOGIC_OP_FUNC(LOGICOP_COPY) |
+		  ENABLE_STENCIL_WRITE_MASK | STENCIL_WRITE_MASK(0xff) |
+		  ENABLE_STENCIL_TEST_MASK | STENCIL_TEST_MASK(0xff));
+
+	OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(3) | I1_LOAD_S(4) | I1_LOAD_S(5) | 2);
+	OUT_BATCH(0x00000000);	/* Disable texture coordinate wrap-shortest */
+	OUT_BATCH((1 << S4_POINT_WIDTH_SHIFT) |
+		  S4_LINE_WIDTH_ONE |
+		  S4_CULLMODE_NONE |
+		  S4_VFMT_XY);
+	OUT_BATCH(0x00000000);	/* Stencil. */
+
+	OUT_BATCH(_3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT);
+	OUT_BATCH(_3DSTATE_SCISSOR_RECT_0_CMD);
+	OUT_BATCH(0);
+	OUT_BATCH(0);
+
+	OUT_BATCH(_3DSTATE_DEPTH_SUBRECT_DISABLE);
+
+	OUT_BATCH(_3DSTATE_LOAD_INDIRECT | 0);	/* disable indirect state */
+	OUT_BATCH(0);
+
+	OUT_BATCH(_3DSTATE_STIPPLE);
+	OUT_BATCH(0x00000000);
+
+	OUT_BATCH(_3DSTATE_BACKFACE_STENCIL_OPS | BFO_ENABLE_STENCIL_TWO_SIDE | 0);
+}