1 files changed, 105 insertions, 0 deletions
diff --git a/src/gallium/drivers/freedreno/a6xx/fd6_rasterizer.c b/src/gallium/drivers/freedreno/a6xx/fd6_rasterizer.c
new file mode 100644
index 00000000000..7f13676799b
--- /dev/null
+++ b/src/gallium/drivers/freedreno/a6xx/fd6_rasterizer.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2016 Rob Clark <[email protected]>
+ * Copyright © 2018 Google, Inc.
+ *
+ * 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, sublicense,
+ * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ *    Rob Clark <[email protected]>
+ */
+
+
+#include "pipe/p_state.h"
+#include "util/u_string.h"
+#include "util/u_memory.h"
+
+#include "fd6_rasterizer.h"
+#include "fd6_context.h"
+#include "fd6_format.h"
+
+void *
+fd6_rasterizer_state_create(struct pipe_context *pctx,
+		const struct pipe_rasterizer_state *cso)
+{
+	struct fd6_rasterizer_stateobj *so;
+	float psize_min, psize_max;
+
+	so = CALLOC_STRUCT(fd6_rasterizer_stateobj);
+	if (!so)
+		return NULL;
+
+	so->base = *cso;
+
+	if (cso->point_size_per_vertex) {
+		psize_min = util_get_min_point_size(cso);
+		psize_max = 4092;
+	} else {
+		/* Force the point size to be as if the vertex output was disabled. */
+		psize_min = cso->point_size;
+		psize_max = cso->point_size;
+	}
+
+	so->gras_su_point_minmax =
+			A6XX_GRAS_SU_POINT_MINMAX_MIN(psize_min) |
+			A6XX_GRAS_SU_POINT_MINMAX_MAX(psize_max);
+	so->gras_su_point_size   = A6XX_GRAS_SU_POINT_SIZE(cso->point_size);
+	so->gras_su_poly_offset_scale =
+			A6XX_GRAS_SU_POLY_OFFSET_SCALE(cso->offset_scale);
+	so->gras_su_poly_offset_offset =
+			A6XX_GRAS_SU_POLY_OFFSET_OFFSET(cso->offset_units);
+	so->gras_su_poly_offset_clamp =
+			A6XX_GRAS_SU_POLY_OFFSET_OFFSET_CLAMP(cso->offset_clamp);
+
+	so->gras_su_cntl =
+			A6XX_GRAS_SU_CNTL_LINEHALFWIDTH(cso->line_width/2.0);
+#if 0
+	so->pc_raster_cntl =
+		A6XX_PC_RASTER_CNTL_POLYMODE_FRONT_PTYPE(fd_polygon_mode(cso->fill_front)) |
+		A6XX_PC_RASTER_CNTL_POLYMODE_BACK_PTYPE(fd_polygon_mode(cso->fill_back));
+#endif
+
+#if 0
+	if (cso->fill_front != PIPE_POLYGON_MODE_FILL ||
+		cso->fill_back != PIPE_POLYGON_MODE_FILL)
+		so->pc_raster_cntl |= A6XX_PC_RASTER_CNTL_POLYMODE_ENABLE;
+#endif
+
+	if (cso->cull_face & PIPE_FACE_FRONT)
+		so->gras_su_cntl |= A6XX_GRAS_SU_CNTL_CULL_FRONT;
+	if (cso->cull_face & PIPE_FACE_BACK)
+		so->gras_su_cntl |= A6XX_GRAS_SU_CNTL_CULL_BACK;
+	if (!cso->front_ccw)
+		so->gras_su_cntl |= A6XX_GRAS_SU_CNTL_FRONT_CW;
+	if (cso->offset_tri)
+		so->gras_su_cntl |= A6XX_GRAS_SU_CNTL_POLY_OFFSET;
+
+	if (!cso->flatshade_first)
+		so->pc_primitive_cntl |= A6XX_PC_PRIMITIVE_CNTL_0_PROVOKING_VTX_LAST;
+
+//	if (!cso->depth_clip)
+//		so->gras_cl_clip_cntl |= A6XX_GRAS_CL_CLIP_CNTL_ZNEAR_CLIP_DISABLE |
+//			A6XX_GRAS_CL_CLIP_CNTL_ZFAR_CLIP_DISABLE;
+#if 0
+	if (cso->clip_halfz)
+		so->gras_cl_clip_cntl |= A6XX_GRAS_CL_CNTL_ZERO_GB_SCALE_Z;
+#endif
+
+	return so;
+}