tools/null_state_gen: gen8 golden stategen8_golden_state

Convert the hackish rendercopy based state to golden state

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>

6 files changed, 317 insertions, 578 deletions

diff --git a/lib/gen6_render.h b/lib/gen6_render.h
index c3e85eb7..f16aa551 100644
--- a/lib/gen6_render.h
+++ b/lib/gen6_render.h
@@ -41,7 +41,7 @@
 /* These two are BLC and CTG only, not BW or CL */
 #define GEN6_3DSTATE_AA_LINE_PARAMS		GEN6_3D(3, 1, 0xa)
 #define GEN6_3DSTATE_GS_SVB_INDEX		GEN6_3D(3, 1, 0xb)
-
+#define GEN6_3DSTATE_MONOFILTER_SIZE		GEN6_3D(3, 1, 0x11)
 #define GEN6_3DPRIMITIVE				GEN6_3D(3, 3, 0)
 
 #define GEN6_3DSTATE_CLEAR_PARAMS		GEN6_3D(3, 1, 0x10)
@@ -91,6 +91,7 @@
 # define GEN6_3DSTATE_SF_TRI_PROVOKE_SHIFT		29
 # define GEN6_3DSTATE_SF_LINE_PROVOKE_SHIFT		27
 # define GEN6_3DSTATE_SF_TRIFAN_PROVOKE_SHIFT		25
+# define GEN6_3DSTATE_SF_VERTEX_SUB_PIXEL_PRECISION_SHIFT 12
 
 #define GEN6_3DSTATE_WM				GEN6_3D(3, 0, 0x14)
 /* DW2 */
@@ -303,7 +304,6 @@
 #define GEN6_EU_ATT_CLR_1	       0x8834
 #define GEN6_EU_RDATA		       0x8840
 
-
 #define GEN6_PIPE_CONTROL			GEN6_3D(3, 2, 0)
 
 #define GEN6_3DPRIMITIVE				GEN6_3D(3, 3, 0)
diff --git a/lib/gen8_render.h b/lib/gen8_render.h
index 0eec80c4..d3d41b17 100644
--- a/lib/gen8_render.h
+++ b/lib/gen8_render.h
@@ -8,6 +8,8 @@
 #define GEN7_3DSTATE_URB_DS (0x7832 << 16)
 #define GEN7_3DSTATE_URB_GS (0x7833 << 16)
 
+# define GEN7_WM_LEGACY_DIAMOND_LINE_RASTERIZATION	(1 << 26)
+
 #define GEN6_3DSTATE_SCISSOR_STATE_POINTERS	GEN6_3D(3, 0, 0xf)
 #define GEN7_3DSTATE_CLEAR_PARAMS		GEN6_3D(3, 0, 0x04)
 #define GEN7_3DSTATE_DEPTH_BUFFER		GEN6_3D(3, 0, 0x05)
@@ -29,6 +31,7 @@
 #define GEN7_3DSTATE_CONSTANT_GS		GEN6_3D(3, 0, 0x16)
 #define GEN7_3DSTATE_CONSTANT_HS		GEN6_3D(3, 0, 0x19)
 #define GEN7_3DSTATE_CONSTANT_DS		GEN6_3D(3, 0, 0x1a)
+#define GEN7_3DSTATE_CONSTANT_PS		GEN6_3D(3, 0, 0x17)
 #define GEN7_3DSTATE_HS				GEN6_3D(3, 0, 0x1b)
 #define GEN7_3DSTATE_TE				GEN6_3D(3, 0, 0x1c)
 #define GEN7_3DSTATE_DS				GEN6_3D(3, 0, 0x1d)
@@ -44,6 +47,12 @@
 # define GEN8_RASTER_FRONT_WINDING_CCW			(1 << 21)
 # define GEN8_RASTER_CULL_NONE                          (1 << 16)
 #define GEN7_3DSTATE_PS				GEN6_3D(3, 0, 0x20)
+# define GEN7_PS_SPF_MODE                               (1 << 31)
+
+# define GEN7_SF_POINT_WIDTH_FROM_SOURCE                (1 << 11)
+
+# define GEN7_VS_FLOATING_POINT_MODE_ALTERNATE          (1 << 16)
+
 #define GEN7_3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP	\
 						GEN6_3D(3, 0, 0x21)
 #define GEN8_3DSTATE_PS_BLEND			GEN6_3D(3, 0, 0x4d)
@@ -68,14 +77,26 @@
 #define GEN7_3DSTATE_SAMPLER_STATE_POINTERS_GS	GEN6_3D(3, 0, 0x2e)
 #define GEN7_3DSTATE_SAMPLER_STATE_POINTERS_PS	GEN6_3D(3, 0, 0x2f)
 
+#define GEN8_3DSTATE_VF				GEN6_3D(3, 0, 0x0c)
 #define GEN8_3DSTATE_VF_TOPOLOGY		GEN6_3D(3, 0, 0x4b)
 
+#define GEN8_3DSTATE_BIND_TABLE_POOL_ALLOC	GEN6_3D(3, 1, 0x19)
+#define GEN8_3DSTATE_GATHER_POOL_ALLOC		GEN6_3D(3, 1, 0x1a)
+#define GEN8_3DSTATE_DX9_CONSTANT_BUFFER_POOL_ALLOC 	GEN6_3D(3, 1, 0x1b)
 #define GEN7_3DSTATE_PUSH_CONSTANT_ALLOC_VS	GEN6_3D(3, 1, 0x12)
 #define GEN7_3DSTATE_PUSH_CONSTANT_ALLOC_HS	GEN6_3D(3, 1, 0x13)
 #define GEN7_3DSTATE_PUSH_CONSTANT_ALLOC_DS	GEN6_3D(3, 1, 0x14)
 #define GEN7_3DSTATE_PUSH_CONSTANT_ALLOC_GS	GEN6_3D(3, 1, 0x15)
 #define GEN7_3DSTATE_PUSH_CONSTANT_ALLOC_PS	GEN6_3D(3, 1, 0x16)
 
+#define GEN8_3DSTATE_VF_SGVS			GEN6_3D(3, 0, 0x4a)
+#define GEN8_3DSTATE_SO_DECL_LIST		GEN6_3D(3, 1, 0x17)
+#define GEN8_3DSTATE_SO_BUFFER			GEN6_3D(3, 1, 0x18)
+#define GEN8_3DSTATE_POLY_STIPPLE_OFFSET	GEN6_3D(3, 1, 0x06)
+#define GEN8_3DSTATE_POLY_STIPPLE_PATTERN	GEN6_3D(3, 1, 0x07)
+#define GEN8_3DSTATE_SAMPLER_PALETTE_LOAD0	GEN6_3D(3, 1, 0x02)
+#define GEN8_3DSTATE_SAMPLER_PALETTE_LOAD1	GEN6_3D(3, 1, 0x0c)
+
 /* Some random bits that we care about */
 #define GEN7_VB0_BUFFER_ADDR_MOD_EN		(1 << 14)
 #define GEN7_3DSTATE_PS_PERSPECTIVE_PIXEL_BARYCENTRIC (1 << 11)
diff --git a/tools/null_state_gen/intel_batchbuffer.c b/tools/null_state_gen/intel_batchbuffer.c
index 2a0b3407..119e3aaf 100644
--- a/tools/null_state_gen/intel_batchbuffer.c
+++ b/tools/null_state_gen/intel_batchbuffer.c
@@ -274,3 +274,13 @@ const char *intel_batch_type_as_str(const struct bb_item *item)
 
 	return "UNKNOWN";
 }
+
+void intel_batch_cmd_emit_null(struct intel_batchbuffer *batch, const int cmd, const int len, const char *str)
+{
+	int i;
+
+	bb_area_emit(batch->cmds, cmd, CMD, str);
+
+	for (i = 1; i < len; i++)
+		OUT_BATCH(0);
+}
diff --git a/tools/null_state_gen/intel_batchbuffer.h b/tools/null_state_gen/intel_batchbuffer.h
index e44c5c9a..b4eed251 100644
--- a/tools/null_state_gen/intel_batchbuffer.h
+++ b/tools/null_state_gen/intel_batchbuffer.h
@@ -34,7 +34,7 @@
 #include <stdint.h>
 
 #define MAX_RELOCS 64
-#define MAX_ITEMS 4096
+#define MAX_ITEMS 1024
 #define MAX_STRLEN 256
 
 #define ALIGN(x, y) (((x) + (y)-1) & ~((y)-1))
@@ -69,6 +69,7 @@ struct intel_batchbuffer {
 
 struct intel_batchbuffer *intel_batchbuffer_create(void);
 
+#define OUT_CMD(cmd, len) intel_batch_cmd_emit_null(batch, cmd, len, #cmd " " #len)
 #define OUT_BATCH(d) bb_area_emit(batch->cmds, d, CMD, #d)
 #define OUT_BATCH_STATE_OFFSET(d) bb_area_emit(batch->cmds, d, STATE_OFFSET, #d)
 #define OUT_RELOC(batch, read_domain, write_domain, d) bb_area_emit(batch->cmds, d, RELOC, #d)
@@ -81,6 +82,7 @@ uint32_t intel_batch_state_copy(struct intel_batchbuffer *batch, void *d, unsign
 				const char *name);
 uint32_t intel_batch_state_alloc(struct intel_batchbuffer *batch, unsigned bytes, unsigned align,
 				 const char *name);
+uint32_t intel_batch_state_offset(struct intel_batchbuffer *batch, unsigned align);
 
 unsigned intel_batch_num_cmds(struct intel_batchbuffer *batch);
 
@@ -94,4 +96,6 @@ const char *intel_batch_type_as_str(const struct bb_item *item);
 void bb_area_emit(struct bb_area *a, uint32_t dword, item_type type, const char *str);
 void bb_area_emit_offset(struct bb_area *a, unsigned i, uint32_t dword, item_type type, const char *str);
 
+void intel_batch_cmd_emit_null(struct intel_batchbuffer *batch, const int cmd, const int len, const char *str);
+
 #endif
diff --git a/tools/null_state_gen/intel_null_state_gen.c b/tools/null_state_gen/intel_null_state_gen.c
index b337706d..a7eb22ba 100644
--- a/tools/null_state_gen/intel_null_state_gen.c
+++ b/tools/null_state_gen/intel_null_state_gen.c
@@ -23,6 +23,9 @@ static void print_usage(char *s)
 static int print_state(int gen, struct intel_batchbuffer *batch)
 {
 	int i;
+	unsigned long cmds;
+
+	fprintf(stderr, "Generating for gen%d\n", gen);
 
 	printf("#include \"intel_renderstate.h\"\n\n");
 
@@ -43,8 +46,10 @@ static int print_state(int gen, struct intel_batchbuffer *batch)
 			printf("\t /* 0x%08x %s '%s' */", i * 4,
 			       intel_batch_type_as_str(cmd), cmd->str);
 
-		if (i * 4 == batch->cmds_end_offset)
+		if (i * 4 == batch->cmds_end_offset) {
+			cmds = i + 1;
 			printf("\t /* cmds end */");
+		}
 
 		if (intel_batch_is_reloc(batch, i))
 			printf("\t /* reloc */");
@@ -60,6 +65,11 @@ static int print_state(int gen, struct intel_batchbuffer *batch)
 
 	printf("};\n\nRO_RENDERSTATE(%d);\n", gen);
 
+	fprintf(stderr, "Commands %lu (%lu bytes)\n", cmds, cmds * 4);
+	fprintf(stderr, "State    %lu (%lu bytes)\n", batch->state->num_items, batch->state->num_items * 4);
+	fprintf(stderr, "Total    %lu (%lu bytes)\n", batch->cmds->num_items, batch->cmds->num_items * 4);
+	fprintf(stderr, "\n");
+
 	return 0;
 }
 
diff --git a/tools/null_state_gen/intel_renderstate_gen8.c b/tools/null_state_gen/intel_renderstate_gen8.c
index 4812b514..21da1d9e 100644
--- a/tools/null_state_gen/intel_renderstate_gen8.c
+++ b/tools/null_state_gen/intel_renderstate_gen8.c
@@ -3,708 +3,402 @@
 #include <lib/intel_reg.h>
 #include <string.h>
 
-struct {
-	uint32_t cc_state;
-	uint32_t blend_state;
-} cc;
-
-struct {
-	uint32_t cc_state;
-	uint32_t sf_clip_state;
-} viewport;
-
-/* see shaders/ps/blit.g7a */
-static const uint32_t ps_kernel[][4] = {
-#if 1
-   { 0x0060005a, 0x21403ae8, 0x3a0000c0, 0x008d0040 },
-   { 0x0060005a, 0x21603ae8, 0x3a0000c0, 0x008d0080 },
-   { 0x0060005a, 0x21803ae8, 0x3a0000d0, 0x008d0040 },
-   { 0x0060005a, 0x21a03ae8, 0x3a0000d0, 0x008d0080 },
-   { 0x02800031, 0x2e0022e8, 0x0e000140, 0x08840001 },
-   { 0x05800031, 0x200022e0, 0x0e000e00, 0x90031000 },
-#else
-   /* Write all -1 */
-   { 0x00600001, 0x2e000608, 0x00000000, 0x3f800000 },
-   { 0x00600001, 0x2e200608, 0x00000000, 0x3f800000 },
-   { 0x00600001, 0x2e400608, 0x00000000, 0x3f800000 },
-   { 0x00600001, 0x2e600608, 0x00000000, 0x3f800000 },
-   { 0x00600001, 0x2e800608, 0x00000000, 0x3f800000 },
-   { 0x00600001, 0x2ea00608, 0x00000000, 0x3f800000 },
-   { 0x00600001, 0x2ec00608, 0x00000000, 0x3f800000 },
-   { 0x00600001, 0x2ee00608, 0x00000000, 0x3f800000 },
-   { 0x05800031, 0x200022e0, 0x0e000e00, 0x90031000 },
-#endif
-};
-
-static uint32_t
-gen8_bind_buf_null(struct intel_batchbuffer *batch)
+static void gen8_emit_wm(struct intel_batchbuffer *batch)
 {
-	struct gen8_surface_state ss;
-	memset(&ss, 0, sizeof(ss));
-
-	return OUT_STATE_STRUCT(ss, 64);
-}
-
-static uint32_t
-gen8_bind_surfaces(struct intel_batchbuffer *batch)
-{
-	unsigned offset;
-
-	offset = intel_batch_state_alloc(batch, 8, 32, "bind surfaces");
-
-	bb_area_emit_offset(batch->state, offset, gen8_bind_buf_null(batch), STATE_OFFSET, "bind 1");
-	bb_area_emit_offset(batch->state, offset + 4, gen8_bind_buf_null(batch), STATE_OFFSET, "bind 2");
-
-	return offset;
-}
-
-/* Mostly copy+paste from gen6, except wrap modes moved */
-static uint32_t
-gen8_create_sampler(struct intel_batchbuffer *batch) {
-	struct gen8_sampler_state ss;
-	memset(&ss, 0, sizeof(ss));
-
-	ss.ss0.min_filter = GEN6_MAPFILTER_NEAREST;
-	ss.ss0.mag_filter = GEN6_MAPFILTER_NEAREST;
-	ss.ss3.r_wrap_mode = GEN6_TEXCOORDMODE_CLAMP;
-	ss.ss3.s_wrap_mode = GEN6_TEXCOORDMODE_CLAMP;
-	ss.ss3.t_wrap_mode = GEN6_TEXCOORDMODE_CLAMP;
-
-	/* I've experimented with non-normalized coordinates and using the LD
-	 * sampler fetch, but couldn't make it work. */
-	ss.ss3.non_normalized_coord = 0;
-
-	return OUT_STATE_STRUCT(ss, 64);
-}
-
-static uint32_t
-gen8_fill_ps(struct intel_batchbuffer *batch,
-	     const uint32_t kernel[][4],
-	     size_t size)
-{
-	return intel_batch_state_copy(batch, kernel, size, 64, "ps kernel");
+	OUT_BATCH(GEN6_3DSTATE_WM | (2 - 2));
+	OUT_BATCH(GEN7_WM_LEGACY_DIAMOND_LINE_RASTERIZATION);
 }
 
-/**
- * gen7_fill_vertex_buffer_data populate vertex buffer with data.
- *
- * The vertex buffer consists of 3 vertices to construct a RECTLIST. The 4th
- * vertex is implied (automatically derived by the HW). Each element has the
- * destination offset, and the normalized texture offset (src). The rectangle
- * itself will span the entire subsurface to be copied.
- *
- * see gen6_emit_vertex_elements
- */
-static uint32_t
-gen7_fill_vertex_buffer_data(struct intel_batchbuffer *batch)
+static void gen8_emit_ps(struct intel_batchbuffer *batch)
 {
-	uint16_t *v;
-
-	return intel_batch_state_alloc(batch, 2 * sizeof(*v), 8, "vertex buffer");
-}
-
-/**
- * gen6_emit_vertex_elements - The vertex elements describe the contents of the
- * vertex buffer. We pack the vertex buffer in a semi weird way, conforming to
- * what gen6_rendercopy did. The most straightforward would be to store
- * everything as floats.
- *
- * see gen7_fill_vertex_buffer_data() for where the corresponding elements are
- * packed.
- */
-static void
-gen6_emit_vertex_elements(struct intel_batchbuffer *batch) {
-	/*
-	 * The VUE layout
-	 *    dword 0-3: pad (0, 0, 0. 0)
-	 *    dword 4-7: position (x, y, 0, 1.0),
-	 *    dword 8-11: texture coordinate 0 (u0, v0, 0, 1.0)
-	 */
-	OUT_BATCH(GEN6_3DSTATE_VERTEX_ELEMENTS | (3 * 2 + 1 - 2));
-
-	/* Element state 0. These are 4 dwords of 0 required for the VUE format.
-	 * We don't really know or care what they do.
-	 */
-	OUT_BATCH(0 << VE0_VERTEX_BUFFER_INDEX_SHIFT | VE0_VALID |
-		  GEN6_SURFACEFORMAT_R32G32B32A32_FLOAT << VE0_FORMAT_SHIFT |
-		  0 << VE0_OFFSET_SHIFT); /* we specify 0, but it's really does not exist */
-	OUT_BATCH(GEN6_VFCOMPONENT_STORE_0 << VE1_VFCOMPONENT_0_SHIFT |
-		  GEN6_VFCOMPONENT_STORE_0 << VE1_VFCOMPONENT_1_SHIFT |
-		  GEN6_VFCOMPONENT_STORE_0 << VE1_VFCOMPONENT_2_SHIFT |
-		  GEN6_VFCOMPONENT_STORE_0 << VE1_VFCOMPONENT_3_SHIFT);
-
-	/* Element state 1 - Our "destination" vertices. These are passed down
-	 * through the pipeline, and eventually make it to the pixel shader as
-	 * the offsets in the destination surface. It's packed as the 16
-	 * signed/scaled because of gen6 rendercopy. I see no particular reason
-	 * for doing this though.
-	 */
-	OUT_BATCH(0 << VE0_VERTEX_BUFFER_INDEX_SHIFT | VE0_VALID |
-		  GEN6_SURFACEFORMAT_R16G16_SSCALED << VE0_FORMAT_SHIFT |
-		  0 << VE0_OFFSET_SHIFT); /* offsets vb in bytes */
-	OUT_BATCH(GEN6_VFCOMPONENT_STORE_SRC << VE1_VFCOMPONENT_0_SHIFT |
-		  GEN6_VFCOMPONENT_STORE_SRC << VE1_VFCOMPONENT_1_SHIFT |
-		  GEN6_VFCOMPONENT_STORE_0 << VE1_VFCOMPONENT_2_SHIFT |
-		  GEN6_VFCOMPONENT_STORE_1_FLT << VE1_VFCOMPONENT_3_SHIFT);
-
-	/* Element state 2. Last but not least we store the U,V components as
-	 * normalized floats. These will be used in the pixel shader to sample
-	 * from the source buffer.
-	 */
-	OUT_BATCH(0 << VE0_VERTEX_BUFFER_INDEX_SHIFT | VE0_VALID |
-		  GEN6_SURFACEFORMAT_R32G32_FLOAT << VE0_FORMAT_SHIFT |
-		  4 << VE0_OFFSET_SHIFT);	/* offset vb in bytes */
-	OUT_BATCH(GEN6_VFCOMPONENT_STORE_SRC << VE1_VFCOMPONENT_0_SHIFT |
-		  GEN6_VFCOMPONENT_STORE_SRC << VE1_VFCOMPONENT_1_SHIFT |
-		  GEN6_VFCOMPONENT_STORE_0 << VE1_VFCOMPONENT_2_SHIFT |
-		  GEN6_VFCOMPONENT_STORE_1_FLT << VE1_VFCOMPONENT_3_SHIFT);
-}
-
-/**
- * gen7_emit_vertex_buffer emit the vertex buffers command
- *
- * @batch
- * @offset - bytw offset within the @batch where the vertex buffer starts.
- */
-static void gen7_emit_vertex_buffer(struct intel_batchbuffer *batch,
-				    uint32_t offset) {
-	OUT_BATCH(GEN6_3DSTATE_VERTEX_BUFFERS | (1 + (4 * 1) - 2));
-	OUT_BATCH(0 << VB0_BUFFER_INDEX_SHIFT | /* VB 0th index */
-		  GEN7_VB0_BUFFER_ADDR_MOD_EN | /* Address Modify Enable */
-		  VB0_NULL_VERTEX_BUFFER |
-		  0 << VB0_BUFFER_PITCH_SHIFT);
-	OUT_RELOC_STATE(batch, I915_GEM_DOMAIN_VERTEX, 0, offset);
+	OUT_BATCH(GEN7_3DSTATE_PS | (12 - 2));
 	OUT_BATCH(0);
+	OUT_BATCH(0); /* kernel hi */
+	OUT_BATCH(GEN7_PS_SPF_MODE);
+	OUT_BATCH(0); /* scratch space stuff */
+	OUT_BATCH(0); /* scratch hi */
 	OUT_BATCH(0);
+	OUT_BATCH(0);
+	OUT_BATCH(0); // kernel 1
+	OUT_BATCH(0); /* kernel 1 hi */
+	OUT_BATCH(0); // kernel 2
+	OUT_BATCH(0); /* kernel 2 hi */
 }
 
-static uint32_t
-gen6_create_cc_state(struct intel_batchbuffer *batch)
-{
-	struct gen6_color_calc_state cc_state;
-	memset(&cc_state, 0, sizeof(cc_state));
-
-	return OUT_STATE_STRUCT(cc_state, 64);
-}
-
-static uint32_t
-gen8_create_blend_state(struct intel_batchbuffer *batch)
-{
-	struct gen8_blend_state blend;
-	int i;
-
-	memset(&blend, 0, sizeof(blend));
-
-	for (i = 0; i < 16; i++) {
-		blend.bs[i].dest_blend_factor = GEN6_BLENDFACTOR_ZERO;
-		blend.bs[i].source_blend_factor = GEN6_BLENDFACTOR_ONE;
-		blend.bs[i].color_blend_func = GEN6_BLENDFUNCTION_ADD;
-		blend.bs[i].pre_blend_color_clamp = 1;
-		blend.bs[i].color_buffer_blend = 0;
-	}
-
-	return OUT_STATE_STRUCT(blend, 64);
-}
-
-static uint32_t
-gen6_create_cc_viewport(struct intel_batchbuffer *batch)
+static void gen8_emit_sf(struct intel_batchbuffer *batch)
 {
-	struct gen6_cc_viewport vp;
-
-	memset(&vp, 0, sizeof(vp));
-
-	/* XXX I don't understand this */
-	vp.min_depth = -1.e35;
-	vp.max_depth = 1.e35;
-
-	return OUT_STATE_STRUCT(vp, 32);
-}
-
-static uint32_t
-gen7_create_sf_clip_viewport(struct intel_batchbuffer *batch) {
-	/* XXX these are likely not needed */
-	struct gen7_sf_clip_viewport scv_state;
-
-	memset(&scv_state, 0, sizeof(scv_state));
-
-	scv_state.guardband.xmin = 0;
-	scv_state.guardband.xmax = 1.0f;
-	scv_state.guardband.ymin = 0;
-	scv_state.guardband.ymax = 1.0f;
-
-	return OUT_STATE_STRUCT(scv_state, 64);
+	OUT_BATCH(GEN6_3DSTATE_SF | (4 - 2));
+	OUT_BATCH(0);
+	OUT_BATCH(0);
+	OUT_BATCH(1 << GEN6_3DSTATE_SF_TRIFAN_PROVOKE_SHIFT |
+		  1 << GEN6_3DSTATE_SF_VERTEX_SUB_PIXEL_PRECISION_SHIFT |
+		  GEN7_SF_POINT_WIDTH_FROM_SOURCE |
+		  8);
 }
 
-static uint32_t
-gen6_create_scissor_rect(struct intel_batchbuffer *batch)
+static void gen8_emit_vs(struct intel_batchbuffer *batch)
 {
-	struct gen6_scissor_rect scissor;
-
-	memset(&scissor, 0, sizeof(scissor));
-
-	return OUT_STATE_STRUCT(scissor, 64);
-}
-
-static void
-gen8_emit_sip(struct intel_batchbuffer *batch) {
-	OUT_BATCH(GEN6_STATE_SIP | (3 - 2));
+	OUT_BATCH(GEN6_3DSTATE_VS | (9 - 2));
 	OUT_BATCH(0);
 	OUT_BATCH(0);
-}
-
-static void
-gen7_emit_push_constants(struct intel_batchbuffer *batch) {
-	OUT_BATCH(GEN7_3DSTATE_PUSH_CONSTANT_ALLOC_VS);
+	OUT_BATCH(GEN7_VS_FLOATING_POINT_MODE_ALTERNATE);
 	OUT_BATCH(0);
-	OUT_BATCH(GEN7_3DSTATE_PUSH_CONSTANT_ALLOC_HS);
 	OUT_BATCH(0);
-	OUT_BATCH(GEN7_3DSTATE_PUSH_CONSTANT_ALLOC_DS);
 	OUT_BATCH(0);
-	OUT_BATCH(GEN7_3DSTATE_PUSH_CONSTANT_ALLOC_GS);
 	OUT_BATCH(0);
-	OUT_BATCH(GEN7_3DSTATE_PUSH_CONSTANT_ALLOC_PS);
 	OUT_BATCH(0);
 }
 
-static void
-gen8_emit_state_base_address(struct intel_batchbuffer *batch) {
-	OUT_BATCH(GEN6_STATE_BASE_ADDRESS | (16 - 2));
-
-	/* general */
-	OUT_BATCH(0 | BASE_ADDRESS_MODIFY);
+static void gen8_emit_hs(struct intel_batchbuffer *batch)
+{
+	OUT_BATCH(GEN7_3DSTATE_HS | (9 - 2));
 	OUT_BATCH(0);
-
-	/* stateless data port */
-	OUT_BATCH(0 | BASE_ADDRESS_MODIFY);
-
-	/* surface */
-	OUT_RELOC(batch, I915_GEM_DOMAIN_SAMPLER, 0, BASE_ADDRESS_MODIFY);
 	OUT_BATCH(0);
-
-	/* dynamic */
-	OUT_RELOC(batch, I915_GEM_DOMAIN_RENDER | I915_GEM_DOMAIN_INSTRUCTION,
-		  0, BASE_ADDRESS_MODIFY);
 	OUT_BATCH(0);
-
-	/* indirect */
 	OUT_BATCH(0);
 	OUT_BATCH(0);
-
-	/* instruction */
-	OUT_RELOC(batch, I915_GEM_DOMAIN_INSTRUCTION, 0, BASE_ADDRESS_MODIFY);
 	OUT_BATCH(0);
-
-	/* general state buffer size */
-	OUT_BATCH(0xfffff000 | 1);
-	/* dynamic state buffer size */
-	OUT_BATCH(1 << 12 | 1);
-	/* indirect object buffer size */
-	OUT_BATCH(0xfffff000 | 1);
-	/* intruction buffer size */
-	OUT_BATCH(1 << 12 | 1);
+	OUT_BATCH(1 << GEN7_SBE_URB_ENTRY_READ_LENGTH_SHIFT);
+	OUT_BATCH(0);
 }
 
-static void
-gen7_emit_urb(struct intel_batchbuffer *batch) {
-	/* XXX: Min valid values from mesa */
+static void gen8_emit_urb(struct intel_batchbuffer *batch)
+{
 	const int vs_entries = 64;
 	const int vs_size = 2;
 	const int vs_start = 4;
 
 	OUT_BATCH(GEN7_3DSTATE_URB_VS);
 	OUT_BATCH(vs_entries | ((vs_size - 1) << 16) | (vs_start << 25));
-	OUT_BATCH(GEN7_3DSTATE_URB_GS);
-	OUT_BATCH(vs_start << 25);
+
 	OUT_BATCH(GEN7_3DSTATE_URB_HS);
-	OUT_BATCH(vs_start << 25);
-	OUT_BATCH(GEN7_3DSTATE_URB_DS);
-	OUT_BATCH(vs_start << 25);
-}
+	OUT_BATCH(0x0f << 25);
 
-static void
-gen8_emit_cc(struct intel_batchbuffer *batch) {
-	OUT_BATCH(GEN7_3DSTATE_BLEND_STATE_POINTERS);
-	OUT_BATCH_STATE_OFFSET(cc.blend_state | 1);
+	OUT_BATCH(GEN7_3DSTATE_URB_DS);
+	OUT_BATCH(0x0f << 25);
 
-	OUT_BATCH(GEN6_3DSTATE_CC_STATE_POINTERS);
-	OUT_BATCH_STATE_OFFSET(cc.cc_state | 1);
+	OUT_BATCH(GEN7_3DSTATE_URB_GS);
+	OUT_BATCH(0x0f << 25);
 }
 
-static void
-gen8_emit_multisample(struct intel_batchbuffer *batch) {
-	OUT_BATCH(GEN8_3DSTATE_MULTISAMPLE);
-	OUT_BATCH(0);
-
-	OUT_BATCH(GEN6_3DSTATE_SAMPLE_MASK);
-	OUT_BATCH(1);
+static void gen8_emit_vf_topology(struct intel_batchbuffer *batch)
+{
+	OUT_BATCH(GEN8_3DSTATE_VF_TOPOLOGY);
+	OUT_BATCH(_3DPRIM_TRILIST);
 }
 
-static void
-gen8_emit_vs(struct intel_batchbuffer *batch) {
-	OUT_BATCH(GEN7_3DSTATE_BINDING_TABLE_POINTERS_VS);
-	OUT_BATCH(0);
-
-	OUT_BATCH(GEN7_3DSTATE_SAMPLER_STATE_POINTERS_VS);
-	OUT_BATCH(0);
+static void gen8_emit_so_decl_list(struct intel_batchbuffer *batch)
+{
+	const int num_decls = 128;
+	int i;
 
-	OUT_BATCH(GEN6_3DSTATE_CONSTANT_VS | (11 - 2));
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
+	OUT_BATCH(GEN8_3DSTATE_SO_DECL_LIST | ((2 * num_decls) + 1));
 	OUT_BATCH(0);
+	OUT_BATCH(num_decls);
 
-	OUT_BATCH(GEN6_3DSTATE_VS | (9-2));
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
+	for (i = 0; i < num_decls; i++) {
+		OUT_BATCH(0);
+		OUT_BATCH(0);
+	}
 }
 
-static void
-gen8_emit_hs(struct intel_batchbuffer *batch) {
-	OUT_BATCH(GEN7_3DSTATE_CONSTANT_HS | (11 - 2));
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-
-	OUT_BATCH(GEN7_3DSTATE_HS | (9-2));
-	OUT_BATCH(0);
-	OUT_BATCH(0);
+static void gen8_emit_so_buffer(struct intel_batchbuffer *batch, const int index)
+{
+	OUT_BATCH(GEN8_3DSTATE_SO_BUFFER | (8 - 2));
+	OUT_BATCH(index << 29);
 	OUT_BATCH(0);
 	OUT_BATCH(0);
 	OUT_BATCH(0);
 	OUT_BATCH(0);
 	OUT_BATCH(0);
 	OUT_BATCH(0);
-
-	OUT_BATCH(GEN7_3DSTATE_BINDING_TABLE_POINTERS_HS);
-	OUT_BATCH(0);
-
-	OUT_BATCH(GEN7_3DSTATE_SAMPLER_STATE_POINTERS_HS);
-	OUT_BATCH(0);
 }
 
-static void
-gen8_emit_gs(struct intel_batchbuffer *batch) {
-	OUT_BATCH(GEN7_3DSTATE_CONSTANT_GS | (11 - 2));
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-
-	OUT_BATCH(GEN7_3DSTATE_GS | (10-2));
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-
-	OUT_BATCH(GEN7_3DSTATE_BINDING_TABLE_POINTERS_GS);
-	OUT_BATCH(0);
+static void gen8_emit_state_base_address(struct intel_batchbuffer *batch) {
+	const unsigned offset = 0;
+	OUT_BATCH(GEN6_STATE_BASE_ADDRESS | (16 - 2));
 
-	OUT_BATCH(GEN7_3DSTATE_SAMPLER_STATE_POINTERS_GS);
+	/* general */
+	OUT_RELOC(batch, 0, 0, offset | BASE_ADDRESS_MODIFY);
 	OUT_BATCH(0);
-}
 
-static void
-gen8_emit_ds(struct intel_batchbuffer *batch) {
-	OUT_BATCH(GEN7_3DSTATE_CONSTANT_DS | (11 - 2));
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
+	/* stateless data port */
 	OUT_BATCH(0);
 
-	OUT_BATCH(GEN7_3DSTATE_DS | (9-2));
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
+	/* surface state base addess */
+	OUT_RELOC(batch, 0, 0, offset | BASE_ADDRESS_MODIFY);
 	OUT_BATCH(0);
 
-	OUT_BATCH(GEN7_3DSTATE_BINDING_TABLE_POINTERS_DS);
+	/* dynamic state base address */
+	OUT_RELOC(batch, 0, 0, offset | BASE_ADDRESS_MODIFY);
 	OUT_BATCH(0);
 
-	OUT_BATCH(GEN7_3DSTATE_SAMPLER_STATE_POINTERS_DS);
+	/* indirect */
+	OUT_BATCH(BASE_ADDRESS_MODIFY);
 	OUT_BATCH(0);
-}
 
-static void
-gen8_emit_wm_hz_op(struct intel_batchbuffer *batch) {
-	OUT_BATCH(GEN8_3DSTATE_WM_HZ_OP | (5-2));
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
+	/* instruction */
+	OUT_RELOC(batch, 0, 0, offset | BASE_ADDRESS_MODIFY);
 	OUT_BATCH(0);
-}
 
-static void
-gen8_emit_null_state(struct intel_batchbuffer *batch) {
-	gen8_emit_wm_hz_op(batch);
-	gen8_emit_hs(batch);
-	OUT_BATCH(GEN7_3DSTATE_TE | (4-2));
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	gen8_emit_gs(batch);
-	gen8_emit_ds(batch);
-	gen8_emit_vs(batch);
+	/* general state buffer size */
+	OUT_BATCH(0xfee6b000 | 1);
+	/* dynamic state buffer size */
+	OUT_BATCH(0xfee6b000 | 1);
+	/* indirect object buffer size */
+	OUT_BATCH(0x0 | 1);
+	/* intruction buffer size */
+	OUT_BATCH(0xfee6b000 | 1);
 }
 
-static void
-gen7_emit_clip(struct intel_batchbuffer *batch) {
-	OUT_BATCH(GEN6_3DSTATE_CLIP | (4 - 2));
+static void gen8_emit_chroma_key(struct intel_batchbuffer *batch, const int index)
+{
+	OUT_BATCH(GEN6_3DSTATE_CHROMA_KEY | (4 - 2));
+	OUT_BATCH(index << 30);
 	OUT_BATCH(0);
-	OUT_BATCH(0); /*  pass-through */
 	OUT_BATCH(0);
 }
 
-static void
-gen8_emit_sf(struct intel_batchbuffer *batch)
+static void gen8_emit_vertex_buffers(struct intel_batchbuffer *batch)
 {
+	const int buffers = 33;
 	int i;
 
-	OUT_BATCH(GEN7_3DSTATE_SBE | (4 - 2));
-	OUT_BATCH(1 << GEN7_SBE_NUM_OUTPUTS_SHIFT |
-		  GEN8_SBE_FORCE_URB_ENTRY_READ_LENGTH |
-		  GEN8_SBE_FORCE_URB_ENTRY_READ_OFFSET |
-		  1 << GEN7_SBE_URB_ENTRY_READ_LENGTH_SHIFT |
-		  1 << GEN8_SBE_URB_ENTRY_READ_OFFSET_SHIFT);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
+	OUT_BATCH(GEN6_3DSTATE_VERTEX_BUFFERS | ((4 * buffers) - 1));
 
-	OUT_BATCH(GEN8_3DSTATE_SBE_SWIZ | (11 - 2));
-	for (i = 0; i < 8; i++)
+	for (i = 0; i < buffers; i++) {
+		OUT_BATCH(i << VB0_BUFFER_INDEX_SHIFT |
+			  GEN7_VB0_BUFFER_ADDR_MOD_EN);
+		OUT_BATCH(0); /* Addr */
 		OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
+		OUT_BATCH(0);
+	}
+}
 
-	OUT_BATCH(GEN8_3DSTATE_RASTER | (5 - 2));
-	OUT_BATCH(GEN8_RASTER_FRONT_WINDING_CCW | GEN8_RASTER_CULL_NONE);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
+static void gen6_emit_vertex_elements(struct intel_batchbuffer *batch)
+{
+	const int elements = 34;
+	int i;
 
-	OUT_BATCH(GEN6_3DSTATE_SF | (4 - 2));
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
+	OUT_BATCH(GEN6_3DSTATE_VERTEX_ELEMENTS | ((2 * elements - 1)));
+
+	for (i = 0; i < elements; i++) {
+		if (i == 0) {
+			OUT_BATCH(VE0_VALID | i);
+			OUT_BATCH(
+				GEN6_VFCOMPONENT_STORE_0 << VE1_VFCOMPONENT_0_SHIFT |
+				GEN6_VFCOMPONENT_STORE_0 << VE1_VFCOMPONENT_1_SHIFT |
+				GEN6_VFCOMPONENT_STORE_0 << VE1_VFCOMPONENT_2_SHIFT |
+				GEN6_VFCOMPONENT_STORE_0 << VE1_VFCOMPONENT_3_SHIFT
+				);
+		} else {
+			OUT_BATCH(0);
+			OUT_BATCH(0);
+		}
+	}
 }
 
-static void
-gen8_emit_ps(struct intel_batchbuffer *batch, uint32_t kernel) {
-	const int max_threads = 63;
-
-	OUT_BATCH(GEN6_3DSTATE_WM | (2 - 2));
-	OUT_BATCH(/* XXX: I don't understand the BARYCENTRIC stuff, but it
-		   * appears we need it to put our setup data in the place we
-		   * expect (g6, see below) */
-		  GEN7_3DSTATE_PS_PERSPECTIVE_PIXEL_BARYCENTRIC);
+static void gen8_emit_cc_state_pointers(struct intel_batchbuffer *batch)
+{
+	union {
+		float fval;
+		uint32_t uval;
+	} u;
 
-	OUT_BATCH(GEN6_3DSTATE_CONSTANT_PS | (11-2));
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
+	unsigned offset;
 
-	OUT_BATCH(GEN7_3DSTATE_PS | (12-2));
-	OUT_BATCH_STATE_OFFSET(kernel);
-	OUT_BATCH(0); /* kernel hi */
-	OUT_BATCH(1 << GEN6_3DSTATE_WM_SAMPLER_COUNT_SHIFT |
-		  2 << GEN6_3DSTATE_WM_BINDING_TABLE_ENTRY_COUNT_SHIFT);
-	OUT_BATCH(0); /* scratch space stuff */
-	OUT_BATCH(0); /* scratch hi */
-	OUT_BATCH((max_threads - 1) << GEN8_3DSTATE_PS_MAX_THREADS_SHIFT |
-		  GEN6_3DSTATE_WM_16_DISPATCH_ENABLE);
-	OUT_BATCH(6 << GEN6_3DSTATE_WM_DISPATCH_START_GRF_0_SHIFT);
-	OUT_BATCH(0); // kernel 1
-	OUT_BATCH(0); /* kernel 1 hi */
-	OUT_BATCH(0); // kernel 2
-	OUT_BATCH(0); /* kernel 2 hi */
+	u.fval = 1.0f;
 
-	OUT_BATCH(GEN8_3DSTATE_PS_BLEND | (2 - 2));
-	OUT_BATCH(GEN8_PS_BLEND_HAS_WRITEABLE_RT);
+	offset = intel_batch_state_offset(batch, 64);
+	OUT_STATE(0);
+	OUT_STATE(0);      /* Alpha reference value */
+	OUT_STATE(u.uval); /* Blend constant color RED */
+	OUT_STATE(u.uval); /* Blend constant color BLUE */
+	OUT_STATE(u.uval); /* Blend constant color GREEN */
+	OUT_STATE(u.uval); /* Blend constant color ALPHA */
 
-	OUT_BATCH(GEN8_3DSTATE_PS_EXTRA | (2 - 2));
-	OUT_BATCH(GEN8_PSX_PIXEL_SHADER_VALID | GEN8_PSX_ATTRIBUTE_ENABLE);
+	OUT_BATCH(GEN6_3DSTATE_CC_STATE_POINTERS);
+	OUT_BATCH_STATE_OFFSET(offset | 1);
 }
 
-static void
-gen8_emit_depth(struct intel_batchbuffer *batch) {
-	OUT_BATCH(GEN7_3DSTATE_DEPTH_BUFFER | (8-2));
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
+static void gen8_emit_blend_state_pointers(struct intel_batchbuffer *batch)
+{
+	unsigned offset;
+	int i;
 
-	OUT_BATCH(GEN7_3DSTATE_HIER_DEPTH_BUFFER | (5 - 2));
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
+	offset = intel_batch_state_offset(batch, 64);
 
-	OUT_BATCH(GEN7_3DSTATE_STENCIL_BUFFER | (5 - 2));
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-}
+	for (i = 0; i < 17; i++)
+		OUT_STATE(0);
 
-static void
-gen7_emit_clear(struct intel_batchbuffer *batch) {
-	OUT_BATCH(GEN7_3DSTATE_CLEAR_PARAMS | (3-2));
-	OUT_BATCH(0);
-	OUT_BATCH(1); // clear valid
+	OUT_BATCH(GEN7_3DSTATE_BLEND_STATE_POINTERS | (2 - 2));
+	OUT_BATCH_STATE_OFFSET(offset | 1);
 }
 
-static void
-gen6_emit_drawing_rectangle(struct intel_batchbuffer *batch)
+static void gen8_emit_ps_extra(struct intel_batchbuffer *batch)
 {
-	OUT_BATCH(GEN6_3DSTATE_DRAWING_RECTANGLE | (4 - 2));
-	OUT_BATCH(0xffffffff);
-	OUT_BATCH(0 | 0);
-	OUT_BATCH(0);
-}
+        OUT_BATCH(GEN8_3DSTATE_PS_EXTRA | (2 - 2));
+        OUT_BATCH(GEN8_PSX_PIXEL_SHADER_VALID |
+		  GEN8_PSX_ATTRIBUTE_ENABLE);
 
-static void gen8_emit_vf_topology(struct intel_batchbuffer *batch)
-{
-	OUT_BATCH(GEN8_3DSTATE_VF_TOPOLOGY);
-	OUT_BATCH(_3DPRIM_RECTLIST);
 }
 
-/* Vertex elements MUST be defined before this according to spec */
-static void gen8_emit_primitive(struct intel_batchbuffer *batch)
+static void gen8_emit_ps_blend(struct intel_batchbuffer *batch)
 {
-	OUT_BATCH(GEN8_3DSTATE_VF_INSTANCING | (3 - 2));
-	OUT_BATCH(0);
-	OUT_BATCH(0);
-
-	OUT_BATCH(GEN6_3DPRIMITIVE | (7-2));
-	OUT_BATCH(0);	/* gen8+ ignore the topology type field */
-	OUT_BATCH(3);	/* vertex count */
-	OUT_BATCH(0);	/*  We're specifying this instead with offset in GEN6_3DSTATE_VERTEX_BUFFERS */
-	OUT_BATCH(1);	/* single instance */
-	OUT_BATCH(0);	/* start instance location */
-	OUT_BATCH(0);	/* index buffer offset, ignored */
+        OUT_BATCH(GEN8_3DSTATE_PS_BLEND | (2 - 2));
+        OUT_BATCH(GEN8_PS_BLEND_HAS_WRITEABLE_RT);
 }
 
-void gen8_setup_null_render_state(struct intel_batchbuffer *batch)
+static void gen8_emit_viewport_state_pointers_cc(struct intel_batchbuffer *batch)
 {
-	uint32_t ps_sampler_state, ps_kernel_off, ps_binding_table;
-	uint32_t scissor_state;
-	uint32_t vertex_buffer;
-	uint32_t batch_end;
-	int ret;
+	unsigned offset;
 
-	ps_binding_table  = gen8_bind_surfaces(batch);
-	ps_sampler_state  = gen8_create_sampler(batch);
-	ps_kernel_off = gen8_fill_ps(batch, ps_kernel, sizeof(ps_kernel));
-	vertex_buffer = gen7_fill_vertex_buffer_data(batch);
-	cc.cc_state = gen6_create_cc_state(batch);
-	cc.blend_state = gen8_create_blend_state(batch);
-	viewport.cc_state = gen6_create_cc_viewport(batch);
-	viewport.sf_clip_state = gen7_create_sf_clip_viewport(batch);
-	scissor_state = gen6_create_scissor_rect(batch);
-	/* TODO: theree is other state which isn't setup */
-
-	/* Start emitting the commands. The order roughly follows the mesa blorp
-	 * order */
-	OUT_BATCH(GEN6_PIPELINE_SELECT | PIPELINE_SELECT_3D);
+	offset = intel_batch_state_offset(batch, 32);
 
-	gen8_emit_sip(batch);
+	OUT_STATE((uint32_t)0.0f); /* Minimum depth */
+	OUT_STATE((uint32_t)0.0f); /* Maximum depth */
 
-	gen7_emit_push_constants(batch);
+	OUT_BATCH(GEN7_3DSTATE_VIEWPORT_STATE_POINTERS_CC | (2 - 2));
+	OUT_BATCH_STATE_OFFSET(offset);
+}
 
-	gen8_emit_state_base_address(batch);
+static void gen8_emit_viewport_state_pointers_sf_clip(struct intel_batchbuffer *batch)
+{
+	unsigned offset;
+	int i;
 
-	OUT_BATCH(GEN7_3DSTATE_VIEWPORT_STATE_POINTERS_CC);
-	OUT_BATCH_STATE_OFFSET(viewport.cc_state);
-	OUT_BATCH(GEN7_3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP);
-	OUT_BATCH_STATE_OFFSET(viewport.sf_clip_state);
+	offset = intel_batch_state_offset(batch, 64);
 
-	gen7_emit_urb(batch);
+	for (i = 0; i < 16; i++)
+		OUT_STATE(0);
 
-	gen8_emit_cc(batch);
+	OUT_BATCH(GEN7_3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP | (2 - 2));
+	OUT_BATCH_STATE_OFFSET(offset);
+}
+
+static void gen8_emit_primitive(struct intel_batchbuffer *batch)
+{
+        OUT_BATCH(GEN6_3DPRIMITIVE | (7-2));
+        OUT_BATCH(4);   /* gen8+ ignore the topology type field */
+        OUT_BATCH(1);   /* vertex count */
+        OUT_BATCH(0);
+        OUT_BATCH(1);   /* single instance */
+        OUT_BATCH(0);   /* start instance location */
+        OUT_BATCH(0);   /* index buffer offset, ignored */
+}
 
-	gen8_emit_multisample(batch);
+int gen8_setup_null_render_state(struct intel_batchbuffer *batch)
+{
+	int ret;
+	int i;
 
-	gen8_emit_null_state(batch);
+#define GEN8_PIPE_CONTROL_GLOBAL_GTT   (1 << 24)
 
-	OUT_BATCH(GEN7_3DSTATE_STREAMOUT | (5-2));
+	OUT_BATCH(GEN6_PIPE_CONTROL | (6 - 2));
+	OUT_BATCH(GEN8_PIPE_CONTROL_GLOBAL_GTT);
 	OUT_BATCH(0);
 	OUT_BATCH(0);
 	OUT_BATCH(0);
 	OUT_BATCH(0);
 
-	gen7_emit_clip(batch);
+	OUT_BATCH(GEN6_PIPELINE_SELECT | PIPELINE_SELECT_3D);
 
+	gen8_emit_wm(batch);
+	gen8_emit_ps(batch);
 	gen8_emit_sf(batch);
 
-	OUT_BATCH(GEN7_3DSTATE_BINDING_TABLE_POINTERS_PS);
-	OUT_BATCH_STATE_OFFSET(ps_binding_table);
+	OUT_CMD(GEN7_3DSTATE_SBE, 4);
+	OUT_CMD(GEN8_3DSTATE_SBE_SWIZ, 11);
 
-	OUT_BATCH(GEN7_3DSTATE_SAMPLER_STATE_POINTERS_PS);
-	OUT_BATCH_STATE_OFFSET(ps_sampler_state);
-
-	gen8_emit_ps(batch, ps_kernel_off);
+	gen8_emit_vs(batch);
+	gen8_emit_hs(batch);
 
-	OUT_BATCH(GEN6_3DSTATE_SCISSOR_STATE_POINTERS);
-	OUT_BATCH_STATE_OFFSET(scissor_state);
+	OUT_CMD(GEN7_3DSTATE_GS, 10);
+	OUT_CMD(GEN7_3DSTATE_STREAMOUT, 5);
+	OUT_CMD(GEN7_3DSTATE_DS, 9);
+	OUT_CMD(GEN6_3DSTATE_CLIP, 4);
+	OUT_CMD(GEN7_3DSTATE_TE, 4);
+	OUT_CMD(GEN8_3DSTATE_VF, 2);
+	OUT_CMD(GEN8_3DSTATE_WM_HZ_OP, 5);
+
+	gen8_emit_urb(batch);
+
+	OUT_CMD(GEN8_3DSTATE_BIND_TABLE_POOL_ALLOC, 4);
+	OUT_CMD(GEN8_3DSTATE_GATHER_POOL_ALLOC, 4);
+	OUT_CMD(GEN8_3DSTATE_DX9_CONSTANT_BUFFER_POOL_ALLOC, 4);
+	OUT_CMD(GEN7_3DSTATE_PUSH_CONSTANT_ALLOC_VS, 2);
+	OUT_CMD(GEN7_3DSTATE_PUSH_CONSTANT_ALLOC_HS, 2);
+	OUT_CMD(GEN7_3DSTATE_PUSH_CONSTANT_ALLOC_DS, 2);
+	OUT_CMD(GEN7_3DSTATE_PUSH_CONSTANT_ALLOC_GS, 2);
+	OUT_CMD(GEN7_3DSTATE_PUSH_CONSTANT_ALLOC_PS, 2);
+	OUT_CMD(GEN6_3DSTATE_CONSTANT_VS, 11);
+	OUT_CMD(GEN7_3DSTATE_CONSTANT_HS, 11);
+	OUT_CMD(GEN7_3DSTATE_CONSTANT_DS, 11);
+	OUT_CMD(GEN7_3DSTATE_CONSTANT_GS, 11);
+	OUT_CMD(GEN7_3DSTATE_CONSTANT_PS, 11);
+	OUT_CMD(GEN8_3DSTATE_VF_INSTANCING, 3);
+	OUT_CMD(GEN8_3DSTATE_VF_SGVS, 2);
 
-	gen8_emit_depth(batch);
+	gen8_emit_vf_topology(batch);
+	gen8_emit_so_decl_list(batch);
 
-	gen7_emit_clear(batch);
+	gen8_emit_so_buffer(batch, 0);
+	gen8_emit_so_buffer(batch, 1);
+	gen8_emit_so_buffer(batch, 2);
+	gen8_emit_so_buffer(batch, 3);
 
-	gen6_emit_drawing_rectangle(batch);
+	gen8_emit_state_base_address(batch);
 
-	gen7_emit_vertex_buffer(batch, vertex_buffer);
+	OUT_CMD(GEN6_STATE_SIP, 3);
+	OUT_CMD(GEN6_3DSTATE_DRAWING_RECTANGLE, 4);
+	OUT_CMD(GEN7_3DSTATE_DEPTH_BUFFER, 8);
+
+	gen8_emit_chroma_key(batch, 0);
+	gen8_emit_chroma_key(batch, 1);
+	gen8_emit_chroma_key(batch, 2);
+	gen8_emit_chroma_key(batch, 3);
+
+	OUT_CMD(GEN6_3DSTATE_LINE_STIPPLE, 3);
+	OUT_CMD(GEN6_3DSTATE_AA_LINE_PARAMS, 3);
+	OUT_CMD(GEN7_3DSTATE_STENCIL_BUFFER, 5);
+	OUT_CMD(GEN7_3DSTATE_HIER_DEPTH_BUFFER, 5);
+	OUT_CMD(GEN7_3DSTATE_CLEAR_PARAMS, 3);
+	OUT_CMD(GEN6_3DSTATE_MONOFILTER_SIZE, 2);
+	OUT_CMD(GEN8_3DSTATE_MULTISAMPLE, 2);
+	OUT_CMD(GEN8_3DSTATE_POLY_STIPPLE_OFFSET, 2);
+	OUT_CMD(GEN8_3DSTATE_POLY_STIPPLE_PATTERN, 33);
+	OUT_CMD(GEN8_3DSTATE_SAMPLER_PALETTE_LOAD0, 16 + 1);
+	OUT_CMD(GEN8_3DSTATE_SAMPLER_PALETTE_LOAD1, 16 + 1);
+	OUT_CMD(GEN6_3DSTATE_INDEX_BUFFER, 5);
+
+	gen8_emit_vertex_buffers(batch);
 	gen6_emit_vertex_elements(batch);
 
-	gen8_emit_vf_topology(batch);
+	OUT_BATCH(GEN6_3DSTATE_VF_STATISTICS | 1); /* Enable */
+
+	OUT_CMD(GEN7_3DSTATE_BINDING_TABLE_POINTERS_VS, 2);
+	OUT_CMD(GEN7_3DSTATE_BINDING_TABLE_POINTERS_HS, 2);
+	OUT_CMD(GEN7_3DSTATE_BINDING_TABLE_POINTERS_DS, 2);
+	OUT_CMD(GEN7_3DSTATE_BINDING_TABLE_POINTERS_GS, 2);
+	OUT_CMD(GEN7_3DSTATE_BINDING_TABLE_POINTERS_PS, 2);
+
+	gen8_emit_cc_state_pointers(batch);
+	gen8_emit_blend_state_pointers(batch);
+
+	gen8_emit_ps_extra(batch);
+	gen8_emit_ps_blend(batch);
+
+	OUT_CMD(GEN7_3DSTATE_SAMPLER_STATE_POINTERS_VS, 2);
+	OUT_CMD(GEN7_3DSTATE_SAMPLER_STATE_POINTERS_HS, 2);
+	OUT_CMD(GEN7_3DSTATE_SAMPLER_STATE_POINTERS_DS, 2);
+	OUT_CMD(GEN7_3DSTATE_SAMPLER_STATE_POINTERS_GS, 2);
+	OUT_CMD(GEN7_3DSTATE_SAMPLER_STATE_POINTERS_PS, 2);
+
+	OUT_CMD(GEN6_3DSTATE_SCISSOR_STATE_POINTERS, 2);
+
+	gen8_emit_viewport_state_pointers_cc(batch);
+	gen8_emit_viewport_state_pointers_sf_clip(batch);
+
 	gen8_emit_primitive(batch);
 
 	OUT_BATCH(MI_BATCH_BUFFER_END);