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authorChia-I Wu <[email protected]>2014-11-10 12:55:34 +0800
committerChia-I Wu <[email protected]>2014-11-10 13:14:04 +0800
commitc88c49baf420556a130041044a7f074d6368f080 (patch)
tree2decddeb850b7d44a980b6139f66524b8f7f5975 /src
parentf3b709c0ac073cd0ec90a3a0d91d1ee94668e043 (diff)
ilo: use top/bottom split for state functions
Follow the builder and split state functions into top (vertex processing) and bottom (pixel processing). Signed-off-by: Chia-I Wu <[email protected]>
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/ilo/Makefile.sources6
-rw-r--r--src/gallium/drivers/ilo/ilo_blitter_rectlist.c2
-rw-r--r--src/gallium/drivers/ilo/ilo_builder_3d_top.h2
-rw-r--r--src/gallium/drivers/ilo/ilo_shader.c2
-rw-r--r--src/gallium/drivers/ilo/ilo_state.c2
-rw-r--r--src/gallium/drivers/ilo/ilo_state_3d.h (renamed from src/gallium/drivers/ilo/ilo_state_gen.h)8
-rw-r--r--src/gallium/drivers/ilo/ilo_state_3d_bottom.c (renamed from src/gallium/drivers/ilo/ilo_state_gen6.c)1479
-rw-r--r--src/gallium/drivers/ilo/ilo_state_3d_top.c1566
-rw-r--r--src/gallium/drivers/ilo/ilo_state_gen7.c641
9 files changed, 1856 insertions, 1852 deletions
diff --git a/src/gallium/drivers/ilo/Makefile.sources b/src/gallium/drivers/ilo/Makefile.sources
index 9e7977f7cee..8dd2f9b5b79 100644
--- a/src/gallium/drivers/ilo/Makefile.sources
+++ b/src/gallium/drivers/ilo/Makefile.sources
@@ -48,9 +48,9 @@ C_SOURCES := \
ilo_shader.h \
ilo_state.c \
ilo_state.h \
- ilo_state_gen.h \
- ilo_state_gen6.c \
- ilo_state_gen7.c \
+ ilo_state_3d.h \
+ ilo_state_3d_bottom.c \
+ ilo_state_3d_top.c \
ilo_transfer.c \
ilo_transfer.h \
ilo_video.c \
diff --git a/src/gallium/drivers/ilo/ilo_blitter_rectlist.c b/src/gallium/drivers/ilo/ilo_blitter_rectlist.c
index 5ce8b530eae..0efe82082cf 100644
--- a/src/gallium/drivers/ilo/ilo_blitter_rectlist.c
+++ b/src/gallium/drivers/ilo/ilo_blitter_rectlist.c
@@ -30,7 +30,7 @@
#include "ilo_draw.h"
#include "ilo_state.h"
-#include "ilo_state_gen.h"
+#include "ilo_state_3d.h"
#include "ilo_blit.h"
#include "ilo_blitter.h"
diff --git a/src/gallium/drivers/ilo/ilo_builder_3d_top.h b/src/gallium/drivers/ilo/ilo_builder_3d_top.h
index 85f1b3b3e28..5c4fbf993ce 100644
--- a/src/gallium/drivers/ilo/ilo_builder_3d_top.h
+++ b/src/gallium/drivers/ilo/ilo_builder_3d_top.h
@@ -35,7 +35,7 @@
#include "ilo_resource.h"
#include "ilo_shader.h"
#include "ilo_state.h"
-#include "ilo_state_gen.h"
+#include "ilo_state_3d.h"
#include "ilo_builder.h"
static inline void
diff --git a/src/gallium/drivers/ilo/ilo_shader.c b/src/gallium/drivers/ilo/ilo_shader.c
index 626bc1b9c45..7177b8c50cc 100644
--- a/src/gallium/drivers/ilo/ilo_shader.c
+++ b/src/gallium/drivers/ilo/ilo_shader.c
@@ -32,7 +32,7 @@
#include "shader/ilo_shader_internal.h"
#include "ilo_builder.h"
#include "ilo_state.h"
-#include "ilo_state_gen.h"
+#include "ilo_state_3d.h"
#include "ilo_shader.h"
struct ilo_shader_cache {
diff --git a/src/gallium/drivers/ilo/ilo_state.c b/src/gallium/drivers/ilo/ilo_state.c
index c68062adb03..b852f9f6bc7 100644
--- a/src/gallium/drivers/ilo/ilo_state.c
+++ b/src/gallium/drivers/ilo/ilo_state.c
@@ -33,7 +33,7 @@
#include "ilo_resource.h"
#include "ilo_shader.h"
#include "ilo_state.h"
-#include "ilo_state_gen.h"
+#include "ilo_state_3d.h"
static void
finalize_shader_states(struct ilo_state_vector *vec)
diff --git a/src/gallium/drivers/ilo/ilo_state_gen.h b/src/gallium/drivers/ilo/ilo_state_3d.h
index 9e2f7c4a54b..c1e54c0c5b9 100644
--- a/src/gallium/drivers/ilo/ilo_state_gen.h
+++ b/src/gallium/drivers/ilo/ilo_state_3d.h
@@ -1,7 +1,7 @@
/*
* Mesa 3-D graphics library
*
- * Copyright (C) 2012-2013 LunarG, Inc.
+ * Copyright (C) 2012-2014 LunarG, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -25,8 +25,8 @@
* Chia-I Wu <[email protected]>
*/
-#ifndef ILO_STATE_GEN_H
-#define ILO_STATE_GEN_H
+#ifndef ILO_STATE_3D_H
+#define ILO_STATE_3D_H
#include "genhw/genhw.h"
#include "intel_winsys.h"
@@ -333,4 +333,4 @@ ilo_gpe_set_fb(const struct ilo_dev_info *dev,
const struct pipe_framebuffer_state *state,
struct ilo_fb_state *fb);
-#endif /* ILO_STATE_GEN_H */
+#endif /* ILO_STATE_3D_H */
diff --git a/src/gallium/drivers/ilo/ilo_state_gen6.c b/src/gallium/drivers/ilo/ilo_state_3d_bottom.c
index bc80aeb972d..d4b6643f9a8 100644
--- a/src/gallium/drivers/ilo/ilo_state_gen6.c
+++ b/src/gallium/drivers/ilo/ilo_state_3d_bottom.c
@@ -1,7 +1,7 @@
/*
* Mesa 3-D graphics library
*
- * Copyright (C) 2012-2013 LunarG, Inc.
+ * Copyright (C) 2012-2014 LunarG, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -35,531 +35,7 @@
#include "ilo_resource.h"
#include "ilo_shader.h"
#include "ilo_state.h"
-#include "ilo_state_gen.h"
-
-/**
- * Translate a pipe logicop to the matching hardware logicop.
- */
-static int
-gen6_translate_pipe_logicop(unsigned logicop)
-{
- switch (logicop) {
- case PIPE_LOGICOP_CLEAR: return GEN6_LOGICOP_CLEAR;
- case PIPE_LOGICOP_NOR: return GEN6_LOGICOP_NOR;
- case PIPE_LOGICOP_AND_INVERTED: return GEN6_LOGICOP_AND_INVERTED;
- case PIPE_LOGICOP_COPY_INVERTED: return GEN6_LOGICOP_COPY_INVERTED;
- case PIPE_LOGICOP_AND_REVERSE: return GEN6_LOGICOP_AND_REVERSE;
- case PIPE_LOGICOP_INVERT: return GEN6_LOGICOP_INVERT;
- case PIPE_LOGICOP_XOR: return GEN6_LOGICOP_XOR;
- case PIPE_LOGICOP_NAND: return GEN6_LOGICOP_NAND;
- case PIPE_LOGICOP_AND: return GEN6_LOGICOP_AND;
- case PIPE_LOGICOP_EQUIV: return GEN6_LOGICOP_EQUIV;
- case PIPE_LOGICOP_NOOP: return GEN6_LOGICOP_NOOP;
- case PIPE_LOGICOP_OR_INVERTED: return GEN6_LOGICOP_OR_INVERTED;
- case PIPE_LOGICOP_COPY: return GEN6_LOGICOP_COPY;
- case PIPE_LOGICOP_OR_REVERSE: return GEN6_LOGICOP_OR_REVERSE;
- case PIPE_LOGICOP_OR: return GEN6_LOGICOP_OR;
- case PIPE_LOGICOP_SET: return GEN6_LOGICOP_SET;
- default:
- assert(!"unknown logicop function");
- return GEN6_LOGICOP_CLEAR;
- }
-}
-
-/**
- * Translate a pipe blend function to the matching hardware blend function.
- */
-static int
-gen6_translate_pipe_blend(unsigned blend)
-{
- switch (blend) {
- case PIPE_BLEND_ADD: return GEN6_BLENDFUNCTION_ADD;
- case PIPE_BLEND_SUBTRACT: return GEN6_BLENDFUNCTION_SUBTRACT;
- case PIPE_BLEND_REVERSE_SUBTRACT: return GEN6_BLENDFUNCTION_REVERSE_SUBTRACT;
- case PIPE_BLEND_MIN: return GEN6_BLENDFUNCTION_MIN;
- case PIPE_BLEND_MAX: return GEN6_BLENDFUNCTION_MAX;
- default:
- assert(!"unknown blend function");
- return GEN6_BLENDFUNCTION_ADD;
- };
-}
-
-/**
- * Translate a pipe blend factor to the matching hardware blend factor.
- */
-static int
-gen6_translate_pipe_blendfactor(unsigned blendfactor)
-{
- switch (blendfactor) {
- case PIPE_BLENDFACTOR_ONE: return GEN6_BLENDFACTOR_ONE;
- case PIPE_BLENDFACTOR_SRC_COLOR: return GEN6_BLENDFACTOR_SRC_COLOR;
- case PIPE_BLENDFACTOR_SRC_ALPHA: return GEN6_BLENDFACTOR_SRC_ALPHA;
- case PIPE_BLENDFACTOR_DST_ALPHA: return GEN6_BLENDFACTOR_DST_ALPHA;
- case PIPE_BLENDFACTOR_DST_COLOR: return GEN6_BLENDFACTOR_DST_COLOR;
- case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE: return GEN6_BLENDFACTOR_SRC_ALPHA_SATURATE;
- case PIPE_BLENDFACTOR_CONST_COLOR: return GEN6_BLENDFACTOR_CONST_COLOR;
- case PIPE_BLENDFACTOR_CONST_ALPHA: return GEN6_BLENDFACTOR_CONST_ALPHA;
- case PIPE_BLENDFACTOR_SRC1_COLOR: return GEN6_BLENDFACTOR_SRC1_COLOR;
- case PIPE_BLENDFACTOR_SRC1_ALPHA: return GEN6_BLENDFACTOR_SRC1_ALPHA;
- case PIPE_BLENDFACTOR_ZERO: return GEN6_BLENDFACTOR_ZERO;
- case PIPE_BLENDFACTOR_INV_SRC_COLOR: return GEN6_BLENDFACTOR_INV_SRC_COLOR;
- case PIPE_BLENDFACTOR_INV_SRC_ALPHA: return GEN6_BLENDFACTOR_INV_SRC_ALPHA;
- case PIPE_BLENDFACTOR_INV_DST_ALPHA: return GEN6_BLENDFACTOR_INV_DST_ALPHA;
- case PIPE_BLENDFACTOR_INV_DST_COLOR: return GEN6_BLENDFACTOR_INV_DST_COLOR;
- case PIPE_BLENDFACTOR_INV_CONST_COLOR: return GEN6_BLENDFACTOR_INV_CONST_COLOR;
- case PIPE_BLENDFACTOR_INV_CONST_ALPHA: return GEN6_BLENDFACTOR_INV_CONST_ALPHA;
- case PIPE_BLENDFACTOR_INV_SRC1_COLOR: return GEN6_BLENDFACTOR_INV_SRC1_COLOR;
- case PIPE_BLENDFACTOR_INV_SRC1_ALPHA: return GEN6_BLENDFACTOR_INV_SRC1_ALPHA;
- default:
- assert(!"unknown blend factor");
- return GEN6_BLENDFACTOR_ONE;
- };
-}
-
-/**
- * Translate a pipe stencil op to the matching hardware stencil op.
- */
-static int
-gen6_translate_pipe_stencil_op(unsigned stencil_op)
-{
- switch (stencil_op) {
- case PIPE_STENCIL_OP_KEEP: return GEN6_STENCILOP_KEEP;
- case PIPE_STENCIL_OP_ZERO: return GEN6_STENCILOP_ZERO;
- case PIPE_STENCIL_OP_REPLACE: return GEN6_STENCILOP_REPLACE;
- case PIPE_STENCIL_OP_INCR: return GEN6_STENCILOP_INCRSAT;
- case PIPE_STENCIL_OP_DECR: return GEN6_STENCILOP_DECRSAT;
- case PIPE_STENCIL_OP_INCR_WRAP: return GEN6_STENCILOP_INCR;
- case PIPE_STENCIL_OP_DECR_WRAP: return GEN6_STENCILOP_DECR;
- case PIPE_STENCIL_OP_INVERT: return GEN6_STENCILOP_INVERT;
- default:
- assert(!"unknown stencil op");
- return GEN6_STENCILOP_KEEP;
- }
-}
-
-/**
- * Translate a pipe texture mipfilter to the matching hardware mipfilter.
- */
-static int
-gen6_translate_tex_mipfilter(unsigned filter)
-{
- switch (filter) {
- case PIPE_TEX_MIPFILTER_NEAREST: return GEN6_MIPFILTER_NEAREST;
- case PIPE_TEX_MIPFILTER_LINEAR: return GEN6_MIPFILTER_LINEAR;
- case PIPE_TEX_MIPFILTER_NONE: return GEN6_MIPFILTER_NONE;
- default:
- assert(!"unknown mipfilter");
- return GEN6_MIPFILTER_NONE;
- }
-}
-
-/**
- * Translate a pipe texture filter to the matching hardware mapfilter.
- */
-static int
-gen6_translate_tex_filter(unsigned filter)
-{
- switch (filter) {
- case PIPE_TEX_FILTER_NEAREST: return GEN6_MAPFILTER_NEAREST;
- case PIPE_TEX_FILTER_LINEAR: return GEN6_MAPFILTER_LINEAR;
- default:
- assert(!"unknown sampler filter");
- return GEN6_MAPFILTER_NEAREST;
- }
-}
-
-/**
- * Translate a pipe texture coordinate wrapping mode to the matching hardware
- * wrapping mode.
- */
-static int
-gen6_translate_tex_wrap(unsigned wrap, bool clamp_to_edge)
-{
- /* clamp to edge or border? */
- if (wrap == PIPE_TEX_WRAP_CLAMP) {
- wrap = (clamp_to_edge) ?
- PIPE_TEX_WRAP_CLAMP_TO_EDGE : PIPE_TEX_WRAP_CLAMP_TO_BORDER;
- }
-
- switch (wrap) {
- case PIPE_TEX_WRAP_REPEAT: return GEN6_TEXCOORDMODE_WRAP;
- case PIPE_TEX_WRAP_CLAMP_TO_EDGE: return GEN6_TEXCOORDMODE_CLAMP;
- case PIPE_TEX_WRAP_CLAMP_TO_BORDER: return GEN6_TEXCOORDMODE_CLAMP_BORDER;
- case PIPE_TEX_WRAP_MIRROR_REPEAT: return GEN6_TEXCOORDMODE_MIRROR;
- case PIPE_TEX_WRAP_CLAMP:
- case PIPE_TEX_WRAP_MIRROR_CLAMP:
- case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE:
- case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER:
- default:
- assert(!"unknown sampler wrap mode");
- return GEN6_TEXCOORDMODE_WRAP;
- }
-}
-
-/**
- * Translate a pipe shadow compare function to the matching hardware shadow
- * function.
- */
-static int
-gen6_translate_shadow_func(unsigned func)
-{
- /*
- * For PIPE_FUNC_x, the reference value is on the left-hand side of the
- * comparison, and 1.0 is returned when the comparison is true.
- *
- * For GEN6_COMPAREFUNCTION_x, the reference value is on the right-hand side of
- * the comparison, and 0.0 is returned when the comparison is true.
- */
- switch (func) {
- case PIPE_FUNC_NEVER: return GEN6_COMPAREFUNCTION_ALWAYS;
- case PIPE_FUNC_LESS: return GEN6_COMPAREFUNCTION_LEQUAL;
- case PIPE_FUNC_EQUAL: return GEN6_COMPAREFUNCTION_NOTEQUAL;
- case PIPE_FUNC_LEQUAL: return GEN6_COMPAREFUNCTION_LESS;
- case PIPE_FUNC_GREATER: return GEN6_COMPAREFUNCTION_GEQUAL;
- case PIPE_FUNC_NOTEQUAL: return GEN6_COMPAREFUNCTION_EQUAL;
- case PIPE_FUNC_GEQUAL: return GEN6_COMPAREFUNCTION_GREATER;
- case PIPE_FUNC_ALWAYS: return GEN6_COMPAREFUNCTION_NEVER;
- default:
- assert(!"unknown shadow compare function");
- return GEN6_COMPAREFUNCTION_NEVER;
- }
-}
-
-/**
- * Translate a pipe DSA test function to the matching hardware compare
- * function.
- */
-static int
-gen6_translate_dsa_func(unsigned func)
-{
- switch (func) {
- case PIPE_FUNC_NEVER: return GEN6_COMPAREFUNCTION_NEVER;
- case PIPE_FUNC_LESS: return GEN6_COMPAREFUNCTION_LESS;
- case PIPE_FUNC_EQUAL: return GEN6_COMPAREFUNCTION_EQUAL;
- case PIPE_FUNC_LEQUAL: return GEN6_COMPAREFUNCTION_LEQUAL;
- case PIPE_FUNC_GREATER: return GEN6_COMPAREFUNCTION_GREATER;
- case PIPE_FUNC_NOTEQUAL: return GEN6_COMPAREFUNCTION_NOTEQUAL;
- case PIPE_FUNC_GEQUAL: return GEN6_COMPAREFUNCTION_GEQUAL;
- case PIPE_FUNC_ALWAYS: return GEN6_COMPAREFUNCTION_ALWAYS;
- default:
- assert(!"unknown depth/stencil/alpha test function");
- return GEN6_COMPAREFUNCTION_NEVER;
- }
-}
-
-static void
-ve_init_cso(const struct ilo_dev_info *dev,
- const struct pipe_vertex_element *state,
- unsigned vb_index,
- struct ilo_ve_cso *cso)
-{
- int comp[4] = {
- GEN6_VFCOMP_STORE_SRC,
- GEN6_VFCOMP_STORE_SRC,
- GEN6_VFCOMP_STORE_SRC,
- GEN6_VFCOMP_STORE_SRC,
- };
- int format;
-
- ILO_DEV_ASSERT(dev, 6, 7.5);
-
- switch (util_format_get_nr_components(state->src_format)) {
- case 1: comp[1] = GEN6_VFCOMP_STORE_0;
- case 2: comp[2] = GEN6_VFCOMP_STORE_0;
- case 3: comp[3] = (util_format_is_pure_integer(state->src_format)) ?
- GEN6_VFCOMP_STORE_1_INT :
- GEN6_VFCOMP_STORE_1_FP;
- }
-
- format = ilo_translate_vertex_format(dev, state->src_format);
-
- STATIC_ASSERT(Elements(cso->payload) >= 2);
- cso->payload[0] =
- vb_index << GEN6_VE_STATE_DW0_VB_INDEX__SHIFT |
- GEN6_VE_STATE_DW0_VALID |
- format << GEN6_VE_STATE_DW0_FORMAT__SHIFT |
- state->src_offset << GEN6_VE_STATE_DW0_VB_OFFSET__SHIFT;
-
- cso->payload[1] =
- comp[0] << GEN6_VE_STATE_DW1_COMP0__SHIFT |
- comp[1] << GEN6_VE_STATE_DW1_COMP1__SHIFT |
- comp[2] << GEN6_VE_STATE_DW1_COMP2__SHIFT |
- comp[3] << GEN6_VE_STATE_DW1_COMP3__SHIFT;
-}
-
-void
-ilo_gpe_init_ve(const struct ilo_dev_info *dev,
- unsigned num_states,
- const struct pipe_vertex_element *states,
- struct ilo_ve_state *ve)
-{
- unsigned i;
-
- ILO_DEV_ASSERT(dev, 6, 7.5);
-
- ve->count = num_states;
- ve->vb_count = 0;
-
- for (i = 0; i < num_states; i++) {
- const unsigned pipe_idx = states[i].vertex_buffer_index;
- const unsigned instance_divisor = states[i].instance_divisor;
- unsigned hw_idx;
-
- /*
- * map the pipe vb to the hardware vb, which has a fixed instance
- * divisor
- */
- for (hw_idx = 0; hw_idx < ve->vb_count; hw_idx++) {
- if (ve->vb_mapping[hw_idx] == pipe_idx &&
- ve->instance_divisors[hw_idx] == instance_divisor)
- break;
- }
-
- /* create one if there is no matching hardware vb */
- if (hw_idx >= ve->vb_count) {
- hw_idx = ve->vb_count++;
-
- ve->vb_mapping[hw_idx] = pipe_idx;
- ve->instance_divisors[hw_idx] = instance_divisor;
- }
-
- ve_init_cso(dev, &states[i], hw_idx, &ve->cso[i]);
- }
-}
-
-void
-ilo_gpe_set_ve_edgeflag(const struct ilo_dev_info *dev,
- struct ilo_ve_cso *cso)
-{
- int format;
-
- ILO_DEV_ASSERT(dev, 6, 7.5);
-
- /*
- * From the Sandy Bridge PRM, volume 2 part 1, page 94:
- *
- * "- This bit (Edge Flag Enable) must only be ENABLED on the last
- * valid VERTEX_ELEMENT structure.
- *
- * - When set, Component 0 Control must be set to VFCOMP_STORE_SRC,
- * and Component 1-3 Control must be set to VFCOMP_NOSTORE.
- *
- * - The Source Element Format must be set to the UINT format.
- *
- * - [DevSNB]: Edge Flags are not supported for QUADLIST
- * primitives. Software may elect to convert QUADLIST primitives
- * to some set of corresponding edge-flag-supported primitive
- * types (e.g., POLYGONs) prior to submission to the 3D pipeline."
- */
- cso->payload[0] |= GEN6_VE_STATE_DW0_EDGE_FLAG_ENABLE;
-
- /*
- * Edge flags have format GEN6_FORMAT_R8_USCALED when defined via
- * glEdgeFlagPointer(), and format GEN6_FORMAT_R32_FLOAT when defined
- * via glEdgeFlag(), as can be seen in vbo_attrib_tmp.h.
- *
- * Since all the hardware cares about is whether the flags are zero or not,
- * we can treat them as the corresponding _UINT formats.
- */
- format = GEN_EXTRACT(cso->payload[0], GEN6_VE_STATE_DW0_FORMAT);
- cso->payload[0] &= ~GEN6_VE_STATE_DW0_FORMAT__MASK;
-
- switch (format) {
- case GEN6_FORMAT_R32_FLOAT:
- format = GEN6_FORMAT_R32_UINT;
- break;
- case GEN6_FORMAT_R8_USCALED:
- format = GEN6_FORMAT_R8_UINT;
- break;
- default:
- break;
- }
-
- cso->payload[0] |= GEN_SHIFT32(format, GEN6_VE_STATE_DW0_FORMAT);
-
- cso->payload[1] =
- GEN6_VFCOMP_STORE_SRC << GEN6_VE_STATE_DW1_COMP0__SHIFT |
- GEN6_VFCOMP_NOSTORE << GEN6_VE_STATE_DW1_COMP1__SHIFT |
- GEN6_VFCOMP_NOSTORE << GEN6_VE_STATE_DW1_COMP2__SHIFT |
- GEN6_VFCOMP_NOSTORE << GEN6_VE_STATE_DW1_COMP3__SHIFT;
-}
-
-void
-ilo_gpe_init_ve_nosrc(const struct ilo_dev_info *dev,
- int comp0, int comp1, int comp2, int comp3,
- struct ilo_ve_cso *cso)
-{
- ILO_DEV_ASSERT(dev, 6, 7.5);
-
- STATIC_ASSERT(Elements(cso->payload) >= 2);
-
- assert(comp0 != GEN6_VFCOMP_STORE_SRC &&
- comp1 != GEN6_VFCOMP_STORE_SRC &&
- comp2 != GEN6_VFCOMP_STORE_SRC &&
- comp3 != GEN6_VFCOMP_STORE_SRC);
-
- cso->payload[0] = GEN6_VE_STATE_DW0_VALID;
- cso->payload[1] =
- comp0 << GEN6_VE_STATE_DW1_COMP0__SHIFT |
- comp1 << GEN6_VE_STATE_DW1_COMP1__SHIFT |
- comp2 << GEN6_VE_STATE_DW1_COMP2__SHIFT |
- comp3 << GEN6_VE_STATE_DW1_COMP3__SHIFT;
-}
-
-void
-ilo_gpe_init_vs_cso(const struct ilo_dev_info *dev,
- const struct ilo_shader_state *vs,
- struct ilo_shader_cso *cso)
-{
- int start_grf, vue_read_len, sampler_count, max_threads;
- uint32_t dw2, dw4, dw5;
-
- ILO_DEV_ASSERT(dev, 6, 7.5);
-
- start_grf = ilo_shader_get_kernel_param(vs, ILO_KERNEL_URB_DATA_START_REG);
- vue_read_len = ilo_shader_get_kernel_param(vs, ILO_KERNEL_INPUT_COUNT);
- sampler_count = ilo_shader_get_kernel_param(vs, ILO_KERNEL_SAMPLER_COUNT);
-
- /*
- * From the Sandy Bridge PRM, volume 2 part 1, page 135:
- *
- * "(Vertex URB Entry Read Length) Specifies the number of pairs of
- * 128-bit vertex elements to be passed into the payload for each
- * vertex."
- *
- * "It is UNDEFINED to set this field to 0 indicating no Vertex URB
- * data to be read and passed to the thread."
- */
- vue_read_len = (vue_read_len + 1) / 2;
- if (!vue_read_len)
- vue_read_len = 1;
-
- max_threads = dev->thread_count;
- if (ilo_dev_gen(dev) == ILO_GEN(7.5) && dev->gt == 2)
- max_threads *= 2;
-
- dw2 = (true) ? 0 : GEN6_THREADDISP_FP_MODE_ALT;
- dw2 |= ((sampler_count + 3) / 4) << GEN6_THREADDISP_SAMPLER_COUNT__SHIFT;
-
- dw4 = start_grf << GEN6_VS_DW4_URB_GRF_START__SHIFT |
- vue_read_len << GEN6_VS_DW4_URB_READ_LEN__SHIFT |
- 0 << GEN6_VS_DW4_URB_READ_OFFSET__SHIFT;
-
- dw5 = GEN6_VS_DW5_STATISTICS |
- GEN6_VS_DW5_VS_ENABLE;
-
- if (ilo_dev_gen(dev) >= ILO_GEN(7.5))
- dw5 |= (max_threads - 1) << GEN75_VS_DW5_MAX_THREADS__SHIFT;
- else
- dw5 |= (max_threads - 1) << GEN6_VS_DW5_MAX_THREADS__SHIFT;
-
- STATIC_ASSERT(Elements(cso->payload) >= 3);
- cso->payload[0] = dw2;
- cso->payload[1] = dw4;
- cso->payload[2] = dw5;
-}
-
-void
-ilo_gpe_init_gs_cso_gen6(const struct ilo_dev_info *dev,
- const struct ilo_shader_state *gs,
- struct ilo_shader_cso *cso)
-{
- int start_grf, vue_read_len, max_threads;
- uint32_t dw2, dw4, dw5, dw6;
-
- ILO_DEV_ASSERT(dev, 6, 6);
-
- if (ilo_shader_get_type(gs) == PIPE_SHADER_GEOMETRY) {
- start_grf = ilo_shader_get_kernel_param(gs,
- ILO_KERNEL_URB_DATA_START_REG);
-
- vue_read_len = ilo_shader_get_kernel_param(gs, ILO_KERNEL_INPUT_COUNT);
- }
- else {
- start_grf = ilo_shader_get_kernel_param(gs,
- ILO_KERNEL_VS_GEN6_SO_START_REG);
-
- vue_read_len = ilo_shader_get_kernel_param(gs, ILO_KERNEL_OUTPUT_COUNT);
- }
-
- /*
- * From the Sandy Bridge PRM, volume 2 part 1, page 153:
- *
- * "Specifies the amount of URB data read and passed in the thread
- * payload for each Vertex URB entry, in 256-bit register increments.
- *
- * It is UNDEFINED to set this field (Vertex URB Entry Read Length) to
- * 0 indicating no Vertex URB data to be read and passed to the
- * thread."
- */
- vue_read_len = (vue_read_len + 1) / 2;
- if (!vue_read_len)
- vue_read_len = 1;
-
- /*
- * From the Sandy Bridge PRM, volume 2 part 1, page 154:
- *
- * "Maximum Number of Threads valid range is [0,27] when Rendering
- * Enabled bit is set."
- *
- * From the Sandy Bridge PRM, volume 2 part 1, page 173:
- *
- * "Programming Note: If the GS stage is enabled, software must always
- * allocate at least one GS URB Entry. This is true even if the GS
- * thread never needs to output vertices to the pipeline, e.g., when
- * only performing stream output. This is an artifact of the need to
- * pass the GS thread an initial destination URB handle."
- *
- * As such, we always enable rendering, and limit the number of threads.
- */
- if (dev->gt == 2) {
- /* maximum is 60, but limited to 28 */
- max_threads = 28;
- }
- else {
- /* maximum is 24, but limited to 21 (see brwCreateContext()) */
- max_threads = 21;
- }
-
- dw2 = GEN6_THREADDISP_SPF;
-
- dw4 = vue_read_len << GEN6_GS_DW4_URB_READ_LEN__SHIFT |
- 0 << GEN6_GS_DW4_URB_READ_OFFSET__SHIFT |
- start_grf << GEN6_GS_DW4_URB_GRF_START__SHIFT;
-
- dw5 = (max_threads - 1) << GEN6_GS_DW5_MAX_THREADS__SHIFT |
- GEN6_GS_DW5_STATISTICS |
- GEN6_GS_DW5_SO_STATISTICS |
- GEN6_GS_DW5_RENDER_ENABLE;
-
- /*
- * we cannot make use of GEN6_GS_REORDER because it will reorder
- * triangle strips according to D3D rules (triangle 2N+1 uses vertices
- * (2N+1, 2N+3, 2N+2)), instead of GL rules (triangle 2N+1 uses vertices
- * (2N+2, 2N+1, 2N+3)).
- */
- dw6 = GEN6_GS_DW6_GS_ENABLE;
-
- if (ilo_shader_get_kernel_param(gs, ILO_KERNEL_GS_DISCARD_ADJACENCY))
- dw6 |= GEN6_GS_DW6_DISCARD_ADJACENCY;
-
- if (ilo_shader_get_kernel_param(gs, ILO_KERNEL_VS_GEN6_SO)) {
- const uint32_t svbi_post_inc =
- ilo_shader_get_kernel_param(gs, ILO_KERNEL_GS_GEN6_SVBI_POST_INC);
-
- dw6 |= GEN6_GS_DW6_SVBI_PAYLOAD_ENABLE;
- if (svbi_post_inc) {
- dw6 |= GEN6_GS_DW6_SVBI_POST_INC_ENABLE |
- svbi_post_inc << GEN6_GS_DW6_SVBI_POST_INC_VAL__SHIFT;
- }
- }
-
- STATIC_ASSERT(Elements(cso->payload) >= 4);
- cso->payload[0] = dw2;
- cso->payload[1] = dw4;
- cso->payload[2] = dw5;
- cso->payload[3] = dw6;
-}
+#include "ilo_state_3d.h"
void
ilo_gpe_init_rasterizer_clip(const struct ilo_dev_info *dev,
@@ -905,6 +381,53 @@ ilo_gpe_init_rasterizer_wm_gen6(const struct ilo_dev_info *dev,
}
void
+ilo_gpe_init_rasterizer_wm_gen7(const struct ilo_dev_info *dev,
+ const struct pipe_rasterizer_state *state,
+ struct ilo_rasterizer_wm *wm)
+{
+ uint32_t dw1, dw2;
+
+ ILO_DEV_ASSERT(dev, 7, 7.5);
+
+ dw1 = GEN7_WM_DW1_ZW_INTERP_PIXEL |
+ GEN7_WM_DW1_AA_LINE_WIDTH_2_0 |
+ GEN7_WM_DW1_MSRASTMODE_OFF_PIXEL;
+
+ /* same value as in 3DSTATE_SF */
+ if (state->line_smooth)
+ dw1 |= GEN7_WM_DW1_AA_LINE_CAP_1_0;
+
+ if (state->poly_stipple_enable)
+ dw1 |= GEN7_WM_DW1_POLY_STIPPLE_ENABLE;
+ if (state->line_stipple_enable)
+ dw1 |= GEN7_WM_DW1_LINE_STIPPLE_ENABLE;
+
+ if (state->bottom_edge_rule)
+ dw1 |= GEN7_WM_DW1_POINT_RASTRULE_UPPER_RIGHT;
+
+ dw2 = GEN7_WM_DW2_MSDISPMODE_PERSAMPLE;
+
+ /*
+ * assertion that makes sure
+ *
+ * dw1 |= wm->dw_msaa_rast;
+ * dw2 |= wm->dw_msaa_disp;
+ *
+ * is valid
+ */
+ STATIC_ASSERT(GEN7_WM_DW1_MSRASTMODE_OFF_PIXEL == 0 &&
+ GEN7_WM_DW2_MSDISPMODE_PERSAMPLE == 0);
+
+ wm->dw_msaa_rast =
+ (state->multisample) ? GEN7_WM_DW1_MSRASTMODE_ON_PATTERN : 0;
+ wm->dw_msaa_disp = GEN7_WM_DW2_MSDISPMODE_PERPIXEL;
+
+ STATIC_ASSERT(Elements(wm->payload) >= 2);
+ wm->payload[0] = dw1;
+ wm->payload[1] = dw2;
+}
+
+void
ilo_gpe_init_fs_cso_gen6(const struct ilo_dev_info *dev,
const struct ilo_shader_state *fs,
struct ilo_shader_cso *cso)
@@ -1001,6 +524,114 @@ ilo_gpe_init_fs_cso_gen6(const struct ilo_dev_info *dev,
cso->payload[3] = dw6;
}
+void
+ilo_gpe_init_fs_cso_gen7(const struct ilo_dev_info *dev,
+ const struct ilo_shader_state *fs,
+ struct ilo_shader_cso *cso)
+{
+ int start_grf, sampler_count, max_threads;
+ uint32_t dw2, dw4, dw5;
+ uint32_t wm_interps, wm_dw1;
+
+ ILO_DEV_ASSERT(dev, 7, 7.5);
+
+ start_grf = ilo_shader_get_kernel_param(fs, ILO_KERNEL_URB_DATA_START_REG);
+ sampler_count = ilo_shader_get_kernel_param(fs, ILO_KERNEL_SAMPLER_COUNT);
+
+ dw2 = (true) ? 0 : GEN6_THREADDISP_FP_MODE_ALT;
+ dw2 |= ((sampler_count + 3) / 4) << GEN6_THREADDISP_SAMPLER_COUNT__SHIFT;
+
+ dw4 = GEN7_PS_DW4_POSOFFSET_NONE;
+
+ /* see brwCreateContext() */
+ switch (ilo_dev_gen(dev)) {
+ case ILO_GEN(7.5):
+ max_threads = (dev->gt == 3) ? 408 : (dev->gt == 2) ? 204 : 102;
+ dw4 |= (max_threads - 1) << GEN75_PS_DW4_MAX_THREADS__SHIFT;
+ dw4 |= 1 << GEN75_PS_DW4_SAMPLE_MASK__SHIFT;
+ break;
+ case ILO_GEN(7):
+ default:
+ max_threads = (dev->gt == 2) ? 172 : 48;
+ dw4 |= (max_threads - 1) << GEN7_PS_DW4_MAX_THREADS__SHIFT;
+ break;
+ }
+
+ if (ilo_shader_get_kernel_param(fs, ILO_KERNEL_PCB_CBUF0_SIZE))
+ dw4 |= GEN7_PS_DW4_PUSH_CONSTANT_ENABLE;
+
+ if (ilo_shader_get_kernel_param(fs, ILO_KERNEL_INPUT_COUNT))
+ dw4 |= GEN7_PS_DW4_ATTR_ENABLE;
+
+ assert(!ilo_shader_get_kernel_param(fs, ILO_KERNEL_FS_DISPATCH_16_OFFSET));
+ dw4 |= GEN7_PS_DW4_8_PIXEL_DISPATCH;
+
+ dw5 = start_grf << GEN7_PS_DW5_URB_GRF_START0__SHIFT |
+ 0 << GEN7_PS_DW5_URB_GRF_START1__SHIFT |
+ 0 << GEN7_PS_DW5_URB_GRF_START2__SHIFT;
+
+ /* FS affects 3DSTATE_WM too */
+ wm_dw1 = 0;
+
+ /*
+ * TODO set this bit only when
+ *
+ * a) fs writes colors and color is not masked, or
+ * b) fs writes depth, or
+ * c) fs or cc kills
+ */
+ wm_dw1 |= GEN7_WM_DW1_PS_ENABLE;
+
+ /*
+ * From the Ivy Bridge PRM, volume 2 part 1, page 278:
+ *
+ * "This bit (Pixel Shader Kill Pixel), if ENABLED, indicates that
+ * the PS kernel or color calculator has the ability to kill
+ * (discard) pixels or samples, other than due to depth or stencil
+ * testing. This bit is required to be ENABLED in the following
+ * situations:
+ *
+ * - The API pixel shader program contains "killpix" or "discard"
+ * instructions, or other code in the pixel shader kernel that
+ * can cause the final pixel mask to differ from the pixel mask
+ * received on dispatch.
+ *
+ * - A sampler with chroma key enabled with kill pixel mode is used
+ * by the pixel shader.
+ *
+ * - Any render target has Alpha Test Enable or AlphaToCoverage
+ * Enable enabled.
+ *
+ * - The pixel shader kernel generates and outputs oMask.
+ *
+ * Note: As ClipDistance clipping is fully supported in hardware
+ * and therefore not via PS instructions, there should be no need
+ * to ENABLE this bit due to ClipDistance clipping."
+ */
+ if (ilo_shader_get_kernel_param(fs, ILO_KERNEL_FS_USE_KILL))
+ wm_dw1 |= GEN7_WM_DW1_PS_KILL;
+
+ if (ilo_shader_get_kernel_param(fs, ILO_KERNEL_FS_OUTPUT_Z))
+ wm_dw1 |= GEN7_WM_DW1_PSCDEPTH_ON;
+
+ if (ilo_shader_get_kernel_param(fs, ILO_KERNEL_FS_INPUT_Z))
+ wm_dw1 |= GEN7_WM_DW1_PS_USE_DEPTH;
+
+ if (ilo_shader_get_kernel_param(fs, ILO_KERNEL_FS_INPUT_W))
+ wm_dw1 |= GEN7_WM_DW1_PS_USE_W;
+
+ wm_interps = ilo_shader_get_kernel_param(fs,
+ ILO_KERNEL_FS_BARYCENTRIC_INTERPOLATIONS);
+
+ wm_dw1 |= wm_interps << GEN7_WM_DW1_BARYCENTRIC_INTERP__SHIFT;
+
+ STATIC_ASSERT(Elements(cso->payload) >= 4);
+ cso->payload[0] = dw2;
+ cso->payload[1] = dw4;
+ cso->payload[2] = dw5;
+ cso->payload[3] = wm_dw1;
+}
+
struct ilo_zs_surface_info {
int surface_type;
int format;
@@ -1474,6 +1105,106 @@ ilo_gpe_set_viewport_cso(const struct ilo_dev_info *dev,
vp->max_z = scale_z * 1.0f + state->translate[2];
}
+/**
+ * Translate a pipe logicop to the matching hardware logicop.
+ */
+static int
+gen6_translate_pipe_logicop(unsigned logicop)
+{
+ switch (logicop) {
+ case PIPE_LOGICOP_CLEAR: return GEN6_LOGICOP_CLEAR;
+ case PIPE_LOGICOP_NOR: return GEN6_LOGICOP_NOR;
+ case PIPE_LOGICOP_AND_INVERTED: return GEN6_LOGICOP_AND_INVERTED;
+ case PIPE_LOGICOP_COPY_INVERTED: return GEN6_LOGICOP_COPY_INVERTED;
+ case PIPE_LOGICOP_AND_REVERSE: return GEN6_LOGICOP_AND_REVERSE;
+ case PIPE_LOGICOP_INVERT: return GEN6_LOGICOP_INVERT;
+ case PIPE_LOGICOP_XOR: return GEN6_LOGICOP_XOR;
+ case PIPE_LOGICOP_NAND: return GEN6_LOGICOP_NAND;
+ case PIPE_LOGICOP_AND: return GEN6_LOGICOP_AND;
+ case PIPE_LOGICOP_EQUIV: return GEN6_LOGICOP_EQUIV;
+ case PIPE_LOGICOP_NOOP: return GEN6_LOGICOP_NOOP;
+ case PIPE_LOGICOP_OR_INVERTED: return GEN6_LOGICOP_OR_INVERTED;
+ case PIPE_LOGICOP_COPY: return GEN6_LOGICOP_COPY;
+ case PIPE_LOGICOP_OR_REVERSE: return GEN6_LOGICOP_OR_REVERSE;
+ case PIPE_LOGICOP_OR: return GEN6_LOGICOP_OR;
+ case PIPE_LOGICOP_SET: return GEN6_LOGICOP_SET;
+ default:
+ assert(!"unknown logicop function");
+ return GEN6_LOGICOP_CLEAR;
+ }
+}
+
+/**
+ * Translate a pipe blend function to the matching hardware blend function.
+ */
+static int
+gen6_translate_pipe_blend(unsigned blend)
+{
+ switch (blend) {
+ case PIPE_BLEND_ADD: return GEN6_BLENDFUNCTION_ADD;
+ case PIPE_BLEND_SUBTRACT: return GEN6_BLENDFUNCTION_SUBTRACT;
+ case PIPE_BLEND_REVERSE_SUBTRACT: return GEN6_BLENDFUNCTION_REVERSE_SUBTRACT;
+ case PIPE_BLEND_MIN: return GEN6_BLENDFUNCTION_MIN;
+ case PIPE_BLEND_MAX: return GEN6_BLENDFUNCTION_MAX;
+ default:
+ assert(!"unknown blend function");
+ return GEN6_BLENDFUNCTION_ADD;
+ };
+}
+
+/**
+ * Translate a pipe blend factor to the matching hardware blend factor.
+ */
+static int
+gen6_translate_pipe_blendfactor(unsigned blendfactor)
+{
+ switch (blendfactor) {
+ case PIPE_BLENDFACTOR_ONE: return GEN6_BLENDFACTOR_ONE;
+ case PIPE_BLENDFACTOR_SRC_COLOR: return GEN6_BLENDFACTOR_SRC_COLOR;
+ case PIPE_BLENDFACTOR_SRC_ALPHA: return GEN6_BLENDFACTOR_SRC_ALPHA;
+ case PIPE_BLENDFACTOR_DST_ALPHA: return GEN6_BLENDFACTOR_DST_ALPHA;
+ case PIPE_BLENDFACTOR_DST_COLOR: return GEN6_BLENDFACTOR_DST_COLOR;
+ case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE: return GEN6_BLENDFACTOR_SRC_ALPHA_SATURATE;
+ case PIPE_BLENDFACTOR_CONST_COLOR: return GEN6_BLENDFACTOR_CONST_COLOR;
+ case PIPE_BLENDFACTOR_CONST_ALPHA: return GEN6_BLENDFACTOR_CONST_ALPHA;
+ case PIPE_BLENDFACTOR_SRC1_COLOR: return GEN6_BLENDFACTOR_SRC1_COLOR;
+ case PIPE_BLENDFACTOR_SRC1_ALPHA: return GEN6_BLENDFACTOR_SRC1_ALPHA;
+ case PIPE_BLENDFACTOR_ZERO: return GEN6_BLENDFACTOR_ZERO;
+ case PIPE_BLENDFACTOR_INV_SRC_COLOR: return GEN6_BLENDFACTOR_INV_SRC_COLOR;
+ case PIPE_BLENDFACTOR_INV_SRC_ALPHA: return GEN6_BLENDFACTOR_INV_SRC_ALPHA;
+ case PIPE_BLENDFACTOR_INV_DST_ALPHA: return GEN6_BLENDFACTOR_INV_DST_ALPHA;
+ case PIPE_BLENDFACTOR_INV_DST_COLOR: return GEN6_BLENDFACTOR_INV_DST_COLOR;
+ case PIPE_BLENDFACTOR_INV_CONST_COLOR: return GEN6_BLENDFACTOR_INV_CONST_COLOR;
+ case PIPE_BLENDFACTOR_INV_CONST_ALPHA: return GEN6_BLENDFACTOR_INV_CONST_ALPHA;
+ case PIPE_BLENDFACTOR_INV_SRC1_COLOR: return GEN6_BLENDFACTOR_INV_SRC1_COLOR;
+ case PIPE_BLENDFACTOR_INV_SRC1_ALPHA: return GEN6_BLENDFACTOR_INV_SRC1_ALPHA;
+ default:
+ assert(!"unknown blend factor");
+ return GEN6_BLENDFACTOR_ONE;
+ };
+}
+
+/**
+ * Translate a pipe stencil op to the matching hardware stencil op.
+ */
+static int
+gen6_translate_pipe_stencil_op(unsigned stencil_op)
+{
+ switch (stencil_op) {
+ case PIPE_STENCIL_OP_KEEP: return GEN6_STENCILOP_KEEP;
+ case PIPE_STENCIL_OP_ZERO: return GEN6_STENCILOP_ZERO;
+ case PIPE_STENCIL_OP_REPLACE: return GEN6_STENCILOP_REPLACE;
+ case PIPE_STENCIL_OP_INCR: return GEN6_STENCILOP_INCRSAT;
+ case PIPE_STENCIL_OP_DECR: return GEN6_STENCILOP_DECRSAT;
+ case PIPE_STENCIL_OP_INCR_WRAP: return GEN6_STENCILOP_INCR;
+ case PIPE_STENCIL_OP_DECR_WRAP: return GEN6_STENCILOP_DECR;
+ case PIPE_STENCIL_OP_INVERT: return GEN6_STENCILOP_INVERT;
+ default:
+ assert(!"unknown stencil op");
+ return GEN6_STENCILOP_KEEP;
+ }
+}
+
static int
gen6_blend_factor_dst_alpha_forced_one(int factor)
{
@@ -1620,6 +1351,28 @@ ilo_gpe_init_blend(const struct ilo_dev_info *dev,
}
}
+/**
+ * Translate a pipe DSA test function to the matching hardware compare
+ * function.
+ */
+static int
+gen6_translate_dsa_func(unsigned func)
+{
+ switch (func) {
+ case PIPE_FUNC_NEVER: return GEN6_COMPAREFUNCTION_NEVER;
+ case PIPE_FUNC_LESS: return GEN6_COMPAREFUNCTION_LESS;
+ case PIPE_FUNC_EQUAL: return GEN6_COMPAREFUNCTION_EQUAL;
+ case PIPE_FUNC_LEQUAL: return GEN6_COMPAREFUNCTION_LEQUAL;
+ case PIPE_FUNC_GREATER: return GEN6_COMPAREFUNCTION_GREATER;
+ case PIPE_FUNC_NOTEQUAL: return GEN6_COMPAREFUNCTION_NOTEQUAL;
+ case PIPE_FUNC_GEQUAL: return GEN6_COMPAREFUNCTION_GEQUAL;
+ case PIPE_FUNC_ALWAYS: return GEN6_COMPAREFUNCTION_ALWAYS;
+ default:
+ assert(!"unknown depth/stencil/alpha test function");
+ return GEN6_COMPAREFUNCTION_NEVER;
+ }
+}
+
void
ilo_gpe_init_dsa(const struct ilo_dev_info *dev,
const struct pipe_depth_stencil_alpha_state *state,
@@ -1763,680 +1516,6 @@ ilo_gpe_set_scissor_null(const struct ilo_dev_info *dev,
}
void
-ilo_gpe_init_view_surface_null_gen6(const struct ilo_dev_info *dev,
- unsigned width, unsigned height,
- unsigned depth, unsigned level,
- struct ilo_view_surface *surf)
-{
- uint32_t *dw;
-
- ILO_DEV_ASSERT(dev, 6, 6);
-
- assert(width >= 1 && height >= 1 && depth >= 1);
-
- /*
- * From the Sandy Bridge PRM, volume 4 part 1, page 71:
- *
- * "A null surface will be used in instances where an actual surface is
- * not bound. When a write message is generated to a null surface, no
- * actual surface is written to. When a read message (including any
- * sampling engine message) is generated to a null surface, the result
- * is all zeros. Note that a null surface type is allowed to be used
- * with all messages, even if it is not specificially indicated as
- * supported. All of the remaining fields in surface state are ignored
- * for null surfaces, with the following exceptions:
- *
- * * [DevSNB+]: Width, Height, Depth, and LOD fields must match the
- * depth buffer's corresponding state for all render target
- * surfaces, including null.
- * * Surface Format must be R8G8B8A8_UNORM."
- *
- * From the Sandy Bridge PRM, volume 4 part 1, page 82:
- *
- * "If Surface Type is SURFTYPE_NULL, this field (Tiled Surface) must be
- * true"
- */
-
- STATIC_ASSERT(Elements(surf->payload) >= 6);
- dw = surf->payload;
-
- dw[0] = GEN6_SURFTYPE_NULL << GEN6_SURFACE_DW0_TYPE__SHIFT |
- GEN6_FORMAT_B8G8R8A8_UNORM << GEN6_SURFACE_DW0_FORMAT__SHIFT;
-
- dw[1] = 0;
-
- dw[2] = (height - 1) << GEN6_SURFACE_DW2_HEIGHT__SHIFT |
- (width - 1) << GEN6_SURFACE_DW2_WIDTH__SHIFT |
- level << GEN6_SURFACE_DW2_MIP_COUNT_LOD__SHIFT;
-
- dw[3] = (depth - 1) << GEN6_SURFACE_DW3_DEPTH__SHIFT |
- GEN6_TILING_X;
-
- dw[4] = 0;
- dw[5] = 0;
-
- surf->bo = NULL;
-}
-
-void
-ilo_gpe_init_view_surface_for_buffer_gen6(const struct ilo_dev_info *dev,
- const struct ilo_buffer *buf,
- unsigned offset, unsigned size,
- unsigned struct_size,
- enum pipe_format elem_format,
- bool is_rt, bool render_cache_rw,
- struct ilo_view_surface *surf)
-{
- const int elem_size = util_format_get_blocksize(elem_format);
- int width, height, depth, pitch;
- int surface_format, num_entries;
- uint32_t *dw;
-
- ILO_DEV_ASSERT(dev, 6, 6);
-
- /*
- * For SURFTYPE_BUFFER, a SURFACE_STATE specifies an element of a
- * structure in a buffer.
- */
-
- surface_format = ilo_translate_color_format(dev, elem_format);
-
- num_entries = size / struct_size;
- /* see if there is enough space to fit another element */
- if (size % struct_size >= elem_size)
- num_entries++;
-
- /*
- * From the Sandy Bridge PRM, volume 4 part 1, page 76:
- *
- * "For SURFTYPE_BUFFER render targets, this field (Surface Base
- * Address) specifies the base address of first element of the
- * surface. The surface is interpreted as a simple array of that
- * single element type. The address must be naturally-aligned to the
- * element size (e.g., a buffer containing R32G32B32A32_FLOAT elements
- * must be 16-byte aligned).
- *
- * For SURFTYPE_BUFFER non-rendertarget surfaces, this field specifies
- * the base address of the first element of the surface, computed in
- * software by adding the surface base address to the byte offset of
- * the element in the buffer."
- */
- if (is_rt)
- assert(offset % elem_size == 0);
-
- /*
- * From the Sandy Bridge PRM, volume 4 part 1, page 77:
- *
- * "For buffer surfaces, the number of entries in the buffer ranges
- * from 1 to 2^27."
- */
- assert(num_entries >= 1 && num_entries <= 1 << 27);
-
- /*
- * From the Sandy Bridge PRM, volume 4 part 1, page 81:
- *
- * "For surfaces of type SURFTYPE_BUFFER, this field (Surface Pitch)
- * indicates the size of the structure."
- */
- pitch = struct_size;
-
- pitch--;
- num_entries--;
- /* bits [6:0] */
- width = (num_entries & 0x0000007f);
- /* bits [19:7] */
- height = (num_entries & 0x000fff80) >> 7;
- /* bits [26:20] */
- depth = (num_entries & 0x07f00000) >> 20;
-
- STATIC_ASSERT(Elements(surf->payload) >= 6);
- dw = surf->payload;
-
- dw[0] = GEN6_SURFTYPE_BUFFER << GEN6_SURFACE_DW0_TYPE__SHIFT |
- surface_format << GEN6_SURFACE_DW0_FORMAT__SHIFT;
- if (render_cache_rw)
- dw[0] |= GEN6_SURFACE_DW0_RENDER_CACHE_RW;
-
- dw[1] = offset;
-
- dw[2] = height << GEN6_SURFACE_DW2_HEIGHT__SHIFT |
- width << GEN6_SURFACE_DW2_WIDTH__SHIFT;
-
- dw[3] = depth << GEN6_SURFACE_DW3_DEPTH__SHIFT |
- pitch << GEN6_SURFACE_DW3_PITCH__SHIFT;
-
- dw[4] = 0;
- dw[5] = 0;
-
- /* do not increment reference count */
- surf->bo = buf->bo;
-}
-
-void
-ilo_gpe_init_view_surface_for_texture_gen6(const struct ilo_dev_info *dev,
- const struct ilo_texture *tex,
- enum pipe_format format,
- unsigned first_level,
- unsigned num_levels,
- unsigned first_layer,
- unsigned num_layers,
- bool is_rt,
- struct ilo_view_surface *surf)
-{
- int surface_type, surface_format;
- int width, height, depth, pitch, lod;
- uint32_t *dw;
-
- ILO_DEV_ASSERT(dev, 6, 6);
-
- surface_type = ilo_gpe_gen6_translate_texture(tex->base.target);
- assert(surface_type != GEN6_SURFTYPE_BUFFER);
-
- if (format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT && tex->separate_s8)
- format = PIPE_FORMAT_Z32_FLOAT;
-
- if (is_rt)
- surface_format = ilo_translate_render_format(dev, format);
- else
- surface_format = ilo_translate_texture_format(dev, format);
- assert(surface_format >= 0);
-
- width = tex->layout.width0;
- height = tex->layout.height0;
- depth = (tex->base.target == PIPE_TEXTURE_3D) ?
- tex->base.depth0 : num_layers;
- pitch = tex->layout.bo_stride;
-
- if (surface_type == GEN6_SURFTYPE_CUBE) {
- /*
- * From the Sandy Bridge PRM, volume 4 part 1, page 81:
- *
- * "For SURFTYPE_CUBE: [DevSNB+]: for Sampling Engine Surfaces, the
- * range of this field (Depth) is [0,84], indicating the number of
- * cube array elements (equal to the number of underlying 2D array
- * elements divided by 6). For other surfaces, this field must be
- * zero."
- *
- * When is_rt is true, we treat the texture as a 2D one to avoid the
- * restriction.
- */
- if (is_rt) {
- surface_type = GEN6_SURFTYPE_2D;
- }
- else {
- assert(num_layers % 6 == 0);
- depth = num_layers / 6;
- }
- }
-
- /* sanity check the size */
- assert(width >= 1 && height >= 1 && depth >= 1 && pitch >= 1);
- switch (surface_type) {
- case GEN6_SURFTYPE_1D:
- assert(width <= 8192 && height == 1 && depth <= 512);
- assert(first_layer < 512 && num_layers <= 512);
- break;
- case GEN6_SURFTYPE_2D:
- assert(width <= 8192 && height <= 8192 && depth <= 512);
- assert(first_layer < 512 && num_layers <= 512);
- break;
- case GEN6_SURFTYPE_3D:
- assert(width <= 2048 && height <= 2048 && depth <= 2048);
- assert(first_layer < 2048 && num_layers <= 512);
- if (!is_rt)
- assert(first_layer == 0);
- break;
- case GEN6_SURFTYPE_CUBE:
- assert(width <= 8192 && height <= 8192 && depth <= 85);
- assert(width == height);
- assert(first_layer < 512 && num_layers <= 512);
- if (is_rt)
- assert(first_layer == 0);
- break;
- default:
- assert(!"unexpected surface type");
- break;
- }
-
- /* non-full array spacing is supported only on GEN7+ */
- assert(tex->layout.walk != ILO_LAYOUT_WALK_LOD);
- /* non-interleaved samples are supported only on GEN7+ */
- if (tex->base.nr_samples > 1)
- assert(tex->layout.interleaved_samples);
-
- if (is_rt) {
- assert(num_levels == 1);
- lod = first_level;
- }
- else {
- lod = num_levels - 1;
- }
-
- /*
- * From the Sandy Bridge PRM, volume 4 part 1, page 76:
- *
- * "Linear render target surface base addresses must be element-size
- * aligned, for non-YUV surface formats, or a multiple of 2
- * element-sizes for YUV surface formats. Other linear surfaces have
- * no alignment requirements (byte alignment is sufficient.)"
- *
- * From the Sandy Bridge PRM, volume 4 part 1, page 81:
- *
- * "For linear render target surfaces, the pitch must be a multiple
- * of the element size for non-YUV surface formats. Pitch must be a
- * multiple of 2 * element size for YUV surface formats."
- *
- * From the Sandy Bridge PRM, volume 4 part 1, page 86:
- *
- * "For linear surfaces, this field (X Offset) must be zero"
- */
- if (tex->layout.tiling == INTEL_TILING_NONE) {
- if (is_rt) {
- const int elem_size = util_format_get_blocksize(format);
- assert(pitch % elem_size == 0);
- }
- }
-
- STATIC_ASSERT(Elements(surf->payload) >= 6);
- dw = surf->payload;
-
- dw[0] = surface_type << GEN6_SURFACE_DW0_TYPE__SHIFT |
- surface_format << GEN6_SURFACE_DW0_FORMAT__SHIFT |
- GEN6_SURFACE_DW0_MIPLAYOUT_BELOW;
-
- if (surface_type == GEN6_SURFTYPE_CUBE && !is_rt) {
- dw[0] |= 1 << 9 |
- GEN6_SURFACE_DW0_CUBE_FACE_ENABLES__MASK;
- }
-
- if (is_rt)
- dw[0] |= GEN6_SURFACE_DW0_RENDER_CACHE_RW;
-
- dw[1] = 0;
-
- dw[2] = (height - 1) << GEN6_SURFACE_DW2_HEIGHT__SHIFT |
- (width - 1) << GEN6_SURFACE_DW2_WIDTH__SHIFT |
- lod << GEN6_SURFACE_DW2_MIP_COUNT_LOD__SHIFT;
-
- dw[3] = (depth - 1) << GEN6_SURFACE_DW3_DEPTH__SHIFT |
- (pitch - 1) << GEN6_SURFACE_DW3_PITCH__SHIFT |
- ilo_gpe_gen6_translate_winsys_tiling(tex->layout.tiling);
-
- dw[4] = first_level << GEN6_SURFACE_DW4_MIN_LOD__SHIFT |
- first_layer << 17 |
- (num_layers - 1) << 8 |
- ((tex->base.nr_samples > 1) ? GEN6_SURFACE_DW4_MULTISAMPLECOUNT_4 :
- GEN6_SURFACE_DW4_MULTISAMPLECOUNT_1);
-
- dw[5] = 0;
-
- assert(tex->layout.align_j == 2 || tex->layout.align_j == 4);
- if (tex->layout.align_j == 4)
- dw[5] |= GEN6_SURFACE_DW5_VALIGN_4;
-
- /* do not increment reference count */
- surf->bo = tex->bo;
-}
-
-static void
-sampler_init_border_color_gen6(const struct ilo_dev_info *dev,
- const union pipe_color_union *color,
- uint32_t *dw, int num_dwords)
-{
- float rgba[4] = {
- color->f[0], color->f[1], color->f[2], color->f[3],
- };
-
- ILO_DEV_ASSERT(dev, 6, 6);
-
- assert(num_dwords >= 12);
-
- /*
- * This state is not documented in the Sandy Bridge PRM, but in the
- * Ironlake PRM. SNORM8 seems to be in DW11 instead of DW1.
- */
-
- /* IEEE_FP */
- dw[1] = fui(rgba[0]);
- dw[2] = fui(rgba[1]);
- dw[3] = fui(rgba[2]);
- dw[4] = fui(rgba[3]);
-
- /* FLOAT_16 */
- dw[5] = util_float_to_half(rgba[0]) |
- util_float_to_half(rgba[1]) << 16;
- dw[6] = util_float_to_half(rgba[2]) |
- util_float_to_half(rgba[3]) << 16;
-
- /* clamp to [-1.0f, 1.0f] */
- rgba[0] = CLAMP(rgba[0], -1.0f, 1.0f);
- rgba[1] = CLAMP(rgba[1], -1.0f, 1.0f);
- rgba[2] = CLAMP(rgba[2], -1.0f, 1.0f);
- rgba[3] = CLAMP(rgba[3], -1.0f, 1.0f);
-
- /* SNORM16 */
- dw[9] = (int16_t) util_iround(rgba[0] * 32767.0f) |
- (int16_t) util_iround(rgba[1] * 32767.0f) << 16;
- dw[10] = (int16_t) util_iround(rgba[2] * 32767.0f) |
- (int16_t) util_iround(rgba[3] * 32767.0f) << 16;
-
- /* SNORM8 */
- dw[11] = (int8_t) util_iround(rgba[0] * 127.0f) |
- (int8_t) util_iround(rgba[1] * 127.0f) << 8 |
- (int8_t) util_iround(rgba[2] * 127.0f) << 16 |
- (int8_t) util_iround(rgba[3] * 127.0f) << 24;
-
- /* clamp to [0.0f, 1.0f] */
- rgba[0] = CLAMP(rgba[0], 0.0f, 1.0f);
- rgba[1] = CLAMP(rgba[1], 0.0f, 1.0f);
- rgba[2] = CLAMP(rgba[2], 0.0f, 1.0f);
- rgba[3] = CLAMP(rgba[3], 0.0f, 1.0f);
-
- /* UNORM8 */
- dw[0] = (uint8_t) util_iround(rgba[0] * 255.0f) |
- (uint8_t) util_iround(rgba[1] * 255.0f) << 8 |
- (uint8_t) util_iround(rgba[2] * 255.0f) << 16 |
- (uint8_t) util_iround(rgba[3] * 255.0f) << 24;
-
- /* UNORM16 */
- dw[7] = (uint16_t) util_iround(rgba[0] * 65535.0f) |
- (uint16_t) util_iround(rgba[1] * 65535.0f) << 16;
- dw[8] = (uint16_t) util_iround(rgba[2] * 65535.0f) |
- (uint16_t) util_iround(rgba[3] * 65535.0f) << 16;
-}
-
-void
-ilo_gpe_init_sampler_cso(const struct ilo_dev_info *dev,
- const struct pipe_sampler_state *state,
- struct ilo_sampler_cso *sampler)
-{
- int mip_filter, min_filter, mag_filter, max_aniso;
- int lod_bias, max_lod, min_lod;
- int wrap_s, wrap_t, wrap_r, wrap_cube;
- bool clamp_is_to_edge;
- uint32_t dw0, dw1, dw3;
-
- ILO_DEV_ASSERT(dev, 6, 7.5);
-
- memset(sampler, 0, sizeof(*sampler));
-
- mip_filter = gen6_translate_tex_mipfilter(state->min_mip_filter);
- min_filter = gen6_translate_tex_filter(state->min_img_filter);
- mag_filter = gen6_translate_tex_filter(state->mag_img_filter);
-
- sampler->anisotropic = state->max_anisotropy;
-
- if (state->max_anisotropy >= 2 && state->max_anisotropy <= 16)
- max_aniso = state->max_anisotropy / 2 - 1;
- else if (state->max_anisotropy > 16)
- max_aniso = GEN6_ANISORATIO_16;
- else
- max_aniso = GEN6_ANISORATIO_2;
-
- /*
- *
- * Here is how the hardware calculate per-pixel LOD, from my reading of the
- * PRMs:
- *
- * 1) LOD is set to log2(ratio of texels to pixels) if not specified in
- * other ways. The number of texels is measured using level
- * SurfMinLod.
- * 2) Bias is added to LOD.
- * 3) LOD is clamped to [MinLod, MaxLod], and the clamped value is
- * compared with Base to determine whether magnification or
- * minification is needed. (if preclamp is disabled, LOD is compared
- * with Base before clamping)
- * 4) If magnification is needed, or no mipmapping is requested, LOD is
- * set to floor(MinLod).
- * 5) LOD is clamped to [0, MIPCnt], and SurfMinLod is added to LOD.
- *
- * With Gallium interface, Base is always zero and
- * pipe_sampler_view::u.tex.first_level specifies SurfMinLod.
- */
- if (ilo_dev_gen(dev) >= ILO_GEN(7)) {
- const float scale = 256.0f;
-
- /* [-16.0, 16.0) in S4.8 */
- lod_bias = (int)
- (CLAMP(state->lod_bias, -16.0f, 15.9f) * scale);
- lod_bias &= 0x1fff;
-
- /* [0.0, 14.0] in U4.8 */
- max_lod = (int) (CLAMP(state->max_lod, 0.0f, 14.0f) * scale);
- min_lod = (int) (CLAMP(state->min_lod, 0.0f, 14.0f) * scale);
- }
- else {
- const float scale = 64.0f;
-
- /* [-16.0, 16.0) in S4.6 */
- lod_bias = (int)
- (CLAMP(state->lod_bias, -16.0f, 15.9f) * scale);
- lod_bias &= 0x7ff;
-
- /* [0.0, 13.0] in U4.6 */
- max_lod = (int) (CLAMP(state->max_lod, 0.0f, 13.0f) * scale);
- min_lod = (int) (CLAMP(state->min_lod, 0.0f, 13.0f) * scale);
- }
-
- /*
- * We want LOD to be clamped to determine magnification/minification, and
- * get set to zero when it is magnification or when mipmapping is disabled.
- * The hardware would set LOD to floor(MinLod) and that is a problem when
- * MinLod is greater than or equal to 1.0f.
- *
- * With Base being zero, it is always minification when MinLod is non-zero.
- * To achieve our goal, we just need to set MinLod to zero and set
- * MagFilter to MinFilter when mipmapping is disabled.
- */
- if (state->min_mip_filter == PIPE_TEX_MIPFILTER_NONE && min_lod) {
- min_lod = 0;
- mag_filter = min_filter;
- }
-
- /*
- * For nearest filtering, PIPE_TEX_WRAP_CLAMP means
- * PIPE_TEX_WRAP_CLAMP_TO_EDGE; for linear filtering, PIPE_TEX_WRAP_CLAMP
- * means PIPE_TEX_WRAP_CLAMP_TO_BORDER while additionally clamping the
- * texture coordinates to [0.0, 1.0].
- *
- * The clamping will be taken care of in the shaders. There are two
- * filters here, but let the minification one has a say.
- */
- clamp_is_to_edge = (state->min_img_filter == PIPE_TEX_FILTER_NEAREST);
- if (!clamp_is_to_edge) {
- sampler->saturate_s = (state->wrap_s == PIPE_TEX_WRAP_CLAMP);
- sampler->saturate_t = (state->wrap_t == PIPE_TEX_WRAP_CLAMP);
- sampler->saturate_r = (state->wrap_r == PIPE_TEX_WRAP_CLAMP);
- }
-
- /* determine wrap s/t/r */
- wrap_s = gen6_translate_tex_wrap(state->wrap_s, clamp_is_to_edge);
- wrap_t = gen6_translate_tex_wrap(state->wrap_t, clamp_is_to_edge);
- wrap_r = gen6_translate_tex_wrap(state->wrap_r, clamp_is_to_edge);
-
- /*
- * From the Sandy Bridge PRM, volume 4 part 1, page 107:
- *
- * "When using cube map texture coordinates, only TEXCOORDMODE_CLAMP
- * and TEXCOORDMODE_CUBE settings are valid, and each TC component
- * must have the same Address Control mode."
- *
- * From the Ivy Bridge PRM, volume 4 part 1, page 96:
- *
- * "This field (Cube Surface Control Mode) must be set to
- * CUBECTRLMODE_PROGRAMMED"
- *
- * Therefore, we cannot use "Cube Surface Control Mode" for semless cube
- * map filtering.
- */
- if (state->seamless_cube_map &&
- (state->min_img_filter != PIPE_TEX_FILTER_NEAREST ||
- state->mag_img_filter != PIPE_TEX_FILTER_NEAREST)) {
- wrap_cube = GEN6_TEXCOORDMODE_CUBE;
- }
- else {
- wrap_cube = GEN6_TEXCOORDMODE_CLAMP;
- }
-
- if (!state->normalized_coords) {
- /*
- * From the Ivy Bridge PRM, volume 4 part 1, page 98:
- *
- * "The following state must be set as indicated if this field
- * (Non-normalized Coordinate Enable) is enabled:
- *
- * - TCX/Y/Z Address Control Mode must be TEXCOORDMODE_CLAMP,
- * TEXCOORDMODE_HALF_BORDER, or TEXCOORDMODE_CLAMP_BORDER.
- * - Surface Type must be SURFTYPE_2D or SURFTYPE_3D.
- * - Mag Mode Filter must be MAPFILTER_NEAREST or
- * MAPFILTER_LINEAR.
- * - Min Mode Filter must be MAPFILTER_NEAREST or
- * MAPFILTER_LINEAR.
- * - Mip Mode Filter must be MIPFILTER_NONE.
- * - Min LOD must be 0.
- * - Max LOD must be 0.
- * - MIP Count must be 0.
- * - Surface Min LOD must be 0.
- * - Texture LOD Bias must be 0."
- */
- assert(wrap_s == GEN6_TEXCOORDMODE_CLAMP ||
- wrap_s == GEN6_TEXCOORDMODE_CLAMP_BORDER);
- assert(wrap_t == GEN6_TEXCOORDMODE_CLAMP ||
- wrap_t == GEN6_TEXCOORDMODE_CLAMP_BORDER);
- assert(wrap_r == GEN6_TEXCOORDMODE_CLAMP ||
- wrap_r == GEN6_TEXCOORDMODE_CLAMP_BORDER);
-
- assert(mag_filter == GEN6_MAPFILTER_NEAREST ||
- mag_filter == GEN6_MAPFILTER_LINEAR);
- assert(min_filter == GEN6_MAPFILTER_NEAREST ||
- min_filter == GEN6_MAPFILTER_LINEAR);
-
- /* work around a bug in util_blitter */
- mip_filter = GEN6_MIPFILTER_NONE;
-
- assert(mip_filter == GEN6_MIPFILTER_NONE);
- }
-
- if (ilo_dev_gen(dev) >= ILO_GEN(7)) {
- dw0 = 1 << 28 |
- mip_filter << 20 |
- lod_bias << 1;
-
- sampler->dw_filter = mag_filter << 17 |
- min_filter << 14;
-
- sampler->dw_filter_aniso = GEN6_MAPFILTER_ANISOTROPIC << 17 |
- GEN6_MAPFILTER_ANISOTROPIC << 14 |
- 1;
-
- dw1 = min_lod << 20 |
- max_lod << 8;
-
- if (state->compare_mode != PIPE_TEX_COMPARE_NONE)
- dw1 |= gen6_translate_shadow_func(state->compare_func) << 1;
-
- dw3 = max_aniso << 19;
-
- /* round the coordinates for linear filtering */
- if (min_filter != GEN6_MAPFILTER_NEAREST) {
- dw3 |= (GEN6_SAMPLER_DW3_U_MIN_ROUND |
- GEN6_SAMPLER_DW3_V_MIN_ROUND |
- GEN6_SAMPLER_DW3_R_MIN_ROUND);
- }
- if (mag_filter != GEN6_MAPFILTER_NEAREST) {
- dw3 |= (GEN6_SAMPLER_DW3_U_MAG_ROUND |
- GEN6_SAMPLER_DW3_V_MAG_ROUND |
- GEN6_SAMPLER_DW3_R_MAG_ROUND);
- }
-
- if (!state->normalized_coords)
- dw3 |= 1 << 10;
-
- sampler->dw_wrap = wrap_s << 6 |
- wrap_t << 3 |
- wrap_r;
-
- /*
- * As noted in the classic i965 driver, the HW may still reference
- * wrap_t and wrap_r for 1D textures. We need to set them to a safe
- * mode
- */
- sampler->dw_wrap_1d = wrap_s << 6 |
- GEN6_TEXCOORDMODE_WRAP << 3 |
- GEN6_TEXCOORDMODE_WRAP;
-
- sampler->dw_wrap_cube = wrap_cube << 6 |
- wrap_cube << 3 |
- wrap_cube;
-
- STATIC_ASSERT(Elements(sampler->payload) >= 7);
-
- sampler->payload[0] = dw0;
- sampler->payload[1] = dw1;
- sampler->payload[2] = dw3;
-
- memcpy(&sampler->payload[3],
- state->border_color.ui, sizeof(state->border_color.ui));
- }
- else {
- dw0 = 1 << 28 |
- mip_filter << 20 |
- lod_bias << 3;
-
- if (state->compare_mode != PIPE_TEX_COMPARE_NONE)
- dw0 |= gen6_translate_shadow_func(state->compare_func);
-
- sampler->dw_filter = (min_filter != mag_filter) << 27 |
- mag_filter << 17 |
- min_filter << 14;
-
- sampler->dw_filter_aniso = GEN6_MAPFILTER_ANISOTROPIC << 17 |
- GEN6_MAPFILTER_ANISOTROPIC << 14;
-
- dw1 = min_lod << 22 |
- max_lod << 12;
-
- sampler->dw_wrap = wrap_s << 6 |
- wrap_t << 3 |
- wrap_r;
-
- sampler->dw_wrap_1d = wrap_s << 6 |
- GEN6_TEXCOORDMODE_WRAP << 3 |
- GEN6_TEXCOORDMODE_WRAP;
-
- sampler->dw_wrap_cube = wrap_cube << 6 |
- wrap_cube << 3 |
- wrap_cube;
-
- dw3 = max_aniso << 19;
-
- /* round the coordinates for linear filtering */
- if (min_filter != GEN6_MAPFILTER_NEAREST) {
- dw3 |= (GEN6_SAMPLER_DW3_U_MIN_ROUND |
- GEN6_SAMPLER_DW3_V_MIN_ROUND |
- GEN6_SAMPLER_DW3_R_MIN_ROUND);
- }
- if (mag_filter != GEN6_MAPFILTER_NEAREST) {
- dw3 |= (GEN6_SAMPLER_DW3_U_MAG_ROUND |
- GEN6_SAMPLER_DW3_V_MAG_ROUND |
- GEN6_SAMPLER_DW3_R_MAG_ROUND);
- }
-
- if (!state->normalized_coords)
- dw3 |= 1;
-
- STATIC_ASSERT(Elements(sampler->payload) >= 15);
-
- sampler->payload[0] = dw0;
- sampler->payload[1] = dw1;
- sampler->payload[2] = dw3;
-
- sampler_init_border_color_gen6(dev,
- &state->border_color, &sampler->payload[3], 12);
- }
-}
-
-void
ilo_gpe_set_fb(const struct ilo_dev_info *dev,
const struct pipe_framebuffer_state *state,
struct ilo_fb_state *fb)
diff --git a/src/gallium/drivers/ilo/ilo_state_3d_top.c b/src/gallium/drivers/ilo/ilo_state_3d_top.c
new file mode 100644
index 00000000000..3bd70bddbf8
--- /dev/null
+++ b/src/gallium/drivers/ilo/ilo_state_3d_top.c
@@ -0,0 +1,1566 @@
+/*
+ * Mesa 3-D graphics library
+ *
+ * Copyright (C) 2012-2014 LunarG, 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 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:
+ * Chia-I Wu <[email protected]>
+ */
+
+#include "genhw/genhw.h"
+#include "util/u_dual_blend.h"
+#include "util/u_framebuffer.h"
+#include "util/u_half.h"
+#include "util/u_resource.h"
+
+#include "ilo_context.h"
+#include "ilo_format.h"
+#include "ilo_resource.h"
+#include "ilo_shader.h"
+#include "ilo_state.h"
+#include "ilo_state_3d.h"
+
+static void
+ve_init_cso(const struct ilo_dev_info *dev,
+ const struct pipe_vertex_element *state,
+ unsigned vb_index,
+ struct ilo_ve_cso *cso)
+{
+ int comp[4] = {
+ GEN6_VFCOMP_STORE_SRC,
+ GEN6_VFCOMP_STORE_SRC,
+ GEN6_VFCOMP_STORE_SRC,
+ GEN6_VFCOMP_STORE_SRC,
+ };
+ int format;
+
+ ILO_DEV_ASSERT(dev, 6, 7.5);
+
+ switch (util_format_get_nr_components(state->src_format)) {
+ case 1: comp[1] = GEN6_VFCOMP_STORE_0;
+ case 2: comp[2] = GEN6_VFCOMP_STORE_0;
+ case 3: comp[3] = (util_format_is_pure_integer(state->src_format)) ?
+ GEN6_VFCOMP_STORE_1_INT :
+ GEN6_VFCOMP_STORE_1_FP;
+ }
+
+ format = ilo_translate_vertex_format(dev, state->src_format);
+
+ STATIC_ASSERT(Elements(cso->payload) >= 2);
+ cso->payload[0] =
+ vb_index << GEN6_VE_STATE_DW0_VB_INDEX__SHIFT |
+ GEN6_VE_STATE_DW0_VALID |
+ format << GEN6_VE_STATE_DW0_FORMAT__SHIFT |
+ state->src_offset << GEN6_VE_STATE_DW0_VB_OFFSET__SHIFT;
+
+ cso->payload[1] =
+ comp[0] << GEN6_VE_STATE_DW1_COMP0__SHIFT |
+ comp[1] << GEN6_VE_STATE_DW1_COMP1__SHIFT |
+ comp[2] << GEN6_VE_STATE_DW1_COMP2__SHIFT |
+ comp[3] << GEN6_VE_STATE_DW1_COMP3__SHIFT;
+}
+
+void
+ilo_gpe_init_ve(const struct ilo_dev_info *dev,
+ unsigned num_states,
+ const struct pipe_vertex_element *states,
+ struct ilo_ve_state *ve)
+{
+ unsigned i;
+
+ ILO_DEV_ASSERT(dev, 6, 7.5);
+
+ ve->count = num_states;
+ ve->vb_count = 0;
+
+ for (i = 0; i < num_states; i++) {
+ const unsigned pipe_idx = states[i].vertex_buffer_index;
+ const unsigned instance_divisor = states[i].instance_divisor;
+ unsigned hw_idx;
+
+ /*
+ * map the pipe vb to the hardware vb, which has a fixed instance
+ * divisor
+ */
+ for (hw_idx = 0; hw_idx < ve->vb_count; hw_idx++) {
+ if (ve->vb_mapping[hw_idx] == pipe_idx &&
+ ve->instance_divisors[hw_idx] == instance_divisor)
+ break;
+ }
+
+ /* create one if there is no matching hardware vb */
+ if (hw_idx >= ve->vb_count) {
+ hw_idx = ve->vb_count++;
+
+ ve->vb_mapping[hw_idx] = pipe_idx;
+ ve->instance_divisors[hw_idx] = instance_divisor;
+ }
+
+ ve_init_cso(dev, &states[i], hw_idx, &ve->cso[i]);
+ }
+}
+
+void
+ilo_gpe_set_ve_edgeflag(const struct ilo_dev_info *dev,
+ struct ilo_ve_cso *cso)
+{
+ int format;
+
+ ILO_DEV_ASSERT(dev, 6, 7.5);
+
+ /*
+ * From the Sandy Bridge PRM, volume 2 part 1, page 94:
+ *
+ * "- This bit (Edge Flag Enable) must only be ENABLED on the last
+ * valid VERTEX_ELEMENT structure.
+ *
+ * - When set, Component 0 Control must be set to VFCOMP_STORE_SRC,
+ * and Component 1-3 Control must be set to VFCOMP_NOSTORE.
+ *
+ * - The Source Element Format must be set to the UINT format.
+ *
+ * - [DevSNB]: Edge Flags are not supported for QUADLIST
+ * primitives. Software may elect to convert QUADLIST primitives
+ * to some set of corresponding edge-flag-supported primitive
+ * types (e.g., POLYGONs) prior to submission to the 3D pipeline."
+ */
+ cso->payload[0] |= GEN6_VE_STATE_DW0_EDGE_FLAG_ENABLE;
+
+ /*
+ * Edge flags have format GEN6_FORMAT_R8_USCALED when defined via
+ * glEdgeFlagPointer(), and format GEN6_FORMAT_R32_FLOAT when defined
+ * via glEdgeFlag(), as can be seen in vbo_attrib_tmp.h.
+ *
+ * Since all the hardware cares about is whether the flags are zero or not,
+ * we can treat them as the corresponding _UINT formats.
+ */
+ format = GEN_EXTRACT(cso->payload[0], GEN6_VE_STATE_DW0_FORMAT);
+ cso->payload[0] &= ~GEN6_VE_STATE_DW0_FORMAT__MASK;
+
+ switch (format) {
+ case GEN6_FORMAT_R32_FLOAT:
+ format = GEN6_FORMAT_R32_UINT;
+ break;
+ case GEN6_FORMAT_R8_USCALED:
+ format = GEN6_FORMAT_R8_UINT;
+ break;
+ default:
+ break;
+ }
+
+ cso->payload[0] |= GEN_SHIFT32(format, GEN6_VE_STATE_DW0_FORMAT);
+
+ cso->payload[1] =
+ GEN6_VFCOMP_STORE_SRC << GEN6_VE_STATE_DW1_COMP0__SHIFT |
+ GEN6_VFCOMP_NOSTORE << GEN6_VE_STATE_DW1_COMP1__SHIFT |
+ GEN6_VFCOMP_NOSTORE << GEN6_VE_STATE_DW1_COMP2__SHIFT |
+ GEN6_VFCOMP_NOSTORE << GEN6_VE_STATE_DW1_COMP3__SHIFT;
+}
+
+void
+ilo_gpe_init_ve_nosrc(const struct ilo_dev_info *dev,
+ int comp0, int comp1, int comp2, int comp3,
+ struct ilo_ve_cso *cso)
+{
+ ILO_DEV_ASSERT(dev, 6, 7.5);
+
+ STATIC_ASSERT(Elements(cso->payload) >= 2);
+
+ assert(comp0 != GEN6_VFCOMP_STORE_SRC &&
+ comp1 != GEN6_VFCOMP_STORE_SRC &&
+ comp2 != GEN6_VFCOMP_STORE_SRC &&
+ comp3 != GEN6_VFCOMP_STORE_SRC);
+
+ cso->payload[0] = GEN6_VE_STATE_DW0_VALID;
+ cso->payload[1] =
+ comp0 << GEN6_VE_STATE_DW1_COMP0__SHIFT |
+ comp1 << GEN6_VE_STATE_DW1_COMP1__SHIFT |
+ comp2 << GEN6_VE_STATE_DW1_COMP2__SHIFT |
+ comp3 << GEN6_VE_STATE_DW1_COMP3__SHIFT;
+}
+
+void
+ilo_gpe_init_vs_cso(const struct ilo_dev_info *dev,
+ const struct ilo_shader_state *vs,
+ struct ilo_shader_cso *cso)
+{
+ int start_grf, vue_read_len, sampler_count, max_threads;
+ uint32_t dw2, dw4, dw5;
+
+ ILO_DEV_ASSERT(dev, 6, 7.5);
+
+ start_grf = ilo_shader_get_kernel_param(vs, ILO_KERNEL_URB_DATA_START_REG);
+ vue_read_len = ilo_shader_get_kernel_param(vs, ILO_KERNEL_INPUT_COUNT);
+ sampler_count = ilo_shader_get_kernel_param(vs, ILO_KERNEL_SAMPLER_COUNT);
+
+ /*
+ * From the Sandy Bridge PRM, volume 2 part 1, page 135:
+ *
+ * "(Vertex URB Entry Read Length) Specifies the number of pairs of
+ * 128-bit vertex elements to be passed into the payload for each
+ * vertex."
+ *
+ * "It is UNDEFINED to set this field to 0 indicating no Vertex URB
+ * data to be read and passed to the thread."
+ */
+ vue_read_len = (vue_read_len + 1) / 2;
+ if (!vue_read_len)
+ vue_read_len = 1;
+
+ max_threads = dev->thread_count;
+ if (ilo_dev_gen(dev) == ILO_GEN(7.5) && dev->gt == 2)
+ max_threads *= 2;
+
+ dw2 = (true) ? 0 : GEN6_THREADDISP_FP_MODE_ALT;
+ dw2 |= ((sampler_count + 3) / 4) << GEN6_THREADDISP_SAMPLER_COUNT__SHIFT;
+
+ dw4 = start_grf << GEN6_VS_DW4_URB_GRF_START__SHIFT |
+ vue_read_len << GEN6_VS_DW4_URB_READ_LEN__SHIFT |
+ 0 << GEN6_VS_DW4_URB_READ_OFFSET__SHIFT;
+
+ dw5 = GEN6_VS_DW5_STATISTICS |
+ GEN6_VS_DW5_VS_ENABLE;
+
+ if (ilo_dev_gen(dev) >= ILO_GEN(7.5))
+ dw5 |= (max_threads - 1) << GEN75_VS_DW5_MAX_THREADS__SHIFT;
+ else
+ dw5 |= (max_threads - 1) << GEN6_VS_DW5_MAX_THREADS__SHIFT;
+
+ STATIC_ASSERT(Elements(cso->payload) >= 3);
+ cso->payload[0] = dw2;
+ cso->payload[1] = dw4;
+ cso->payload[2] = dw5;
+}
+
+void
+ilo_gpe_init_gs_cso_gen6(const struct ilo_dev_info *dev,
+ const struct ilo_shader_state *gs,
+ struct ilo_shader_cso *cso)
+{
+ int start_grf, vue_read_len, max_threads;
+ uint32_t dw2, dw4, dw5, dw6;
+
+ ILO_DEV_ASSERT(dev, 6, 6);
+
+ if (ilo_shader_get_type(gs) == PIPE_SHADER_GEOMETRY) {
+ start_grf = ilo_shader_get_kernel_param(gs,
+ ILO_KERNEL_URB_DATA_START_REG);
+
+ vue_read_len = ilo_shader_get_kernel_param(gs, ILO_KERNEL_INPUT_COUNT);
+ }
+ else {
+ start_grf = ilo_shader_get_kernel_param(gs,
+ ILO_KERNEL_VS_GEN6_SO_START_REG);
+
+ vue_read_len = ilo_shader_get_kernel_param(gs, ILO_KERNEL_OUTPUT_COUNT);
+ }
+
+ /*
+ * From the Sandy Bridge PRM, volume 2 part 1, page 153:
+ *
+ * "Specifies the amount of URB data read and passed in the thread
+ * payload for each Vertex URB entry, in 256-bit register increments.
+ *
+ * It is UNDEFINED to set this field (Vertex URB Entry Read Length) to
+ * 0 indicating no Vertex URB data to be read and passed to the
+ * thread."
+ */
+ vue_read_len = (vue_read_len + 1) / 2;
+ if (!vue_read_len)
+ vue_read_len = 1;
+
+ /*
+ * From the Sandy Bridge PRM, volume 2 part 1, page 154:
+ *
+ * "Maximum Number of Threads valid range is [0,27] when Rendering
+ * Enabled bit is set."
+ *
+ * From the Sandy Bridge PRM, volume 2 part 1, page 173:
+ *
+ * "Programming Note: If the GS stage is enabled, software must always
+ * allocate at least one GS URB Entry. This is true even if the GS
+ * thread never needs to output vertices to the pipeline, e.g., when
+ * only performing stream output. This is an artifact of the need to
+ * pass the GS thread an initial destination URB handle."
+ *
+ * As such, we always enable rendering, and limit the number of threads.
+ */
+ if (dev->gt == 2) {
+ /* maximum is 60, but limited to 28 */
+ max_threads = 28;
+ }
+ else {
+ /* maximum is 24, but limited to 21 (see brwCreateContext()) */
+ max_threads = 21;
+ }
+
+ dw2 = GEN6_THREADDISP_SPF;
+
+ dw4 = vue_read_len << GEN6_GS_DW4_URB_READ_LEN__SHIFT |
+ 0 << GEN6_GS_DW4_URB_READ_OFFSET__SHIFT |
+ start_grf << GEN6_GS_DW4_URB_GRF_START__SHIFT;
+
+ dw5 = (max_threads - 1) << GEN6_GS_DW5_MAX_THREADS__SHIFT |
+ GEN6_GS_DW5_STATISTICS |
+ GEN6_GS_DW5_SO_STATISTICS |
+ GEN6_GS_DW5_RENDER_ENABLE;
+
+ /*
+ * we cannot make use of GEN6_GS_REORDER because it will reorder
+ * triangle strips according to D3D rules (triangle 2N+1 uses vertices
+ * (2N+1, 2N+3, 2N+2)), instead of GL rules (triangle 2N+1 uses vertices
+ * (2N+2, 2N+1, 2N+3)).
+ */
+ dw6 = GEN6_GS_DW6_GS_ENABLE;
+
+ if (ilo_shader_get_kernel_param(gs, ILO_KERNEL_GS_DISCARD_ADJACENCY))
+ dw6 |= GEN6_GS_DW6_DISCARD_ADJACENCY;
+
+ if (ilo_shader_get_kernel_param(gs, ILO_KERNEL_VS_GEN6_SO)) {
+ const uint32_t svbi_post_inc =
+ ilo_shader_get_kernel_param(gs, ILO_KERNEL_GS_GEN6_SVBI_POST_INC);
+
+ dw6 |= GEN6_GS_DW6_SVBI_PAYLOAD_ENABLE;
+ if (svbi_post_inc) {
+ dw6 |= GEN6_GS_DW6_SVBI_POST_INC_ENABLE |
+ svbi_post_inc << GEN6_GS_DW6_SVBI_POST_INC_VAL__SHIFT;
+ }
+ }
+
+ STATIC_ASSERT(Elements(cso->payload) >= 4);
+ cso->payload[0] = dw2;
+ cso->payload[1] = dw4;
+ cso->payload[2] = dw5;
+ cso->payload[3] = dw6;
+}
+
+void
+ilo_gpe_init_gs_cso_gen7(const struct ilo_dev_info *dev,
+ const struct ilo_shader_state *gs,
+ struct ilo_shader_cso *cso)
+{
+ int start_grf, vue_read_len, sampler_count, max_threads;
+ uint32_t dw2, dw4, dw5;
+
+ ILO_DEV_ASSERT(dev, 7, 7.5);
+
+ start_grf = ilo_shader_get_kernel_param(gs, ILO_KERNEL_URB_DATA_START_REG);
+ vue_read_len = ilo_shader_get_kernel_param(gs, ILO_KERNEL_INPUT_COUNT);
+ sampler_count = ilo_shader_get_kernel_param(gs, ILO_KERNEL_SAMPLER_COUNT);
+
+ /* in pairs */
+ vue_read_len = (vue_read_len + 1) / 2;
+
+ switch (ilo_dev_gen(dev)) {
+ case ILO_GEN(7.5):
+ max_threads = (dev->gt >= 2) ? 256 : 70;
+ break;
+ case ILO_GEN(7):
+ max_threads = (dev->gt == 2) ? 128 : 36;
+ break;
+ default:
+ max_threads = 1;
+ break;
+ }
+
+ dw2 = (true) ? 0 : GEN6_THREADDISP_FP_MODE_ALT;
+ dw2 |= ((sampler_count + 3) / 4) << GEN6_THREADDISP_SAMPLER_COUNT__SHIFT;
+
+ dw4 = vue_read_len << GEN7_GS_DW4_URB_READ_LEN__SHIFT |
+ GEN7_GS_DW4_INCLUDE_VERTEX_HANDLES |
+ 0 << GEN7_GS_DW4_URB_READ_OFFSET__SHIFT |
+ start_grf << GEN7_GS_DW4_URB_GRF_START__SHIFT;
+
+ dw5 = (max_threads - 1) << GEN7_GS_DW5_MAX_THREADS__SHIFT |
+ GEN7_GS_DW5_STATISTICS |
+ GEN7_GS_DW5_GS_ENABLE;
+
+ STATIC_ASSERT(Elements(cso->payload) >= 3);
+ cso->payload[0] = dw2;
+ cso->payload[1] = dw4;
+ cso->payload[2] = dw5;
+}
+
+void
+ilo_gpe_init_view_surface_null_gen6(const struct ilo_dev_info *dev,
+ unsigned width, unsigned height,
+ unsigned depth, unsigned level,
+ struct ilo_view_surface *surf)
+{
+ uint32_t *dw;
+
+ ILO_DEV_ASSERT(dev, 6, 6);
+
+ assert(width >= 1 && height >= 1 && depth >= 1);
+
+ /*
+ * From the Sandy Bridge PRM, volume 4 part 1, page 71:
+ *
+ * "A null surface will be used in instances where an actual surface is
+ * not bound. When a write message is generated to a null surface, no
+ * actual surface is written to. When a read message (including any
+ * sampling engine message) is generated to a null surface, the result
+ * is all zeros. Note that a null surface type is allowed to be used
+ * with all messages, even if it is not specificially indicated as
+ * supported. All of the remaining fields in surface state are ignored
+ * for null surfaces, with the following exceptions:
+ *
+ * * [DevSNB+]: Width, Height, Depth, and LOD fields must match the
+ * depth buffer's corresponding state for all render target
+ * surfaces, including null.
+ * * Surface Format must be R8G8B8A8_UNORM."
+ *
+ * From the Sandy Bridge PRM, volume 4 part 1, page 82:
+ *
+ * "If Surface Type is SURFTYPE_NULL, this field (Tiled Surface) must be
+ * true"
+ */
+
+ STATIC_ASSERT(Elements(surf->payload) >= 6);
+ dw = surf->payload;
+
+ dw[0] = GEN6_SURFTYPE_NULL << GEN6_SURFACE_DW0_TYPE__SHIFT |
+ GEN6_FORMAT_B8G8R8A8_UNORM << GEN6_SURFACE_DW0_FORMAT__SHIFT;
+
+ dw[1] = 0;
+
+ dw[2] = (height - 1) << GEN6_SURFACE_DW2_HEIGHT__SHIFT |
+ (width - 1) << GEN6_SURFACE_DW2_WIDTH__SHIFT |
+ level << GEN6_SURFACE_DW2_MIP_COUNT_LOD__SHIFT;
+
+ dw[3] = (depth - 1) << GEN6_SURFACE_DW3_DEPTH__SHIFT |
+ GEN6_TILING_X;
+
+ dw[4] = 0;
+ dw[5] = 0;
+
+ surf->bo = NULL;
+}
+
+void
+ilo_gpe_init_view_surface_for_buffer_gen6(const struct ilo_dev_info *dev,
+ const struct ilo_buffer *buf,
+ unsigned offset, unsigned size,
+ unsigned struct_size,
+ enum pipe_format elem_format,
+ bool is_rt, bool render_cache_rw,
+ struct ilo_view_surface *surf)
+{
+ const int elem_size = util_format_get_blocksize(elem_format);
+ int width, height, depth, pitch;
+ int surface_format, num_entries;
+ uint32_t *dw;
+
+ ILO_DEV_ASSERT(dev, 6, 6);
+
+ /*
+ * For SURFTYPE_BUFFER, a SURFACE_STATE specifies an element of a
+ * structure in a buffer.
+ */
+
+ surface_format = ilo_translate_color_format(dev, elem_format);
+
+ num_entries = size / struct_size;
+ /* see if there is enough space to fit another element */
+ if (size % struct_size >= elem_size)
+ num_entries++;
+
+ /*
+ * From the Sandy Bridge PRM, volume 4 part 1, page 76:
+ *
+ * "For SURFTYPE_BUFFER render targets, this field (Surface Base
+ * Address) specifies the base address of first element of the
+ * surface. The surface is interpreted as a simple array of that
+ * single element type. The address must be naturally-aligned to the
+ * element size (e.g., a buffer containing R32G32B32A32_FLOAT elements
+ * must be 16-byte aligned).
+ *
+ * For SURFTYPE_BUFFER non-rendertarget surfaces, this field specifies
+ * the base address of the first element of the surface, computed in
+ * software by adding the surface base address to the byte offset of
+ * the element in the buffer."
+ */
+ if (is_rt)
+ assert(offset % elem_size == 0);
+
+ /*
+ * From the Sandy Bridge PRM, volume 4 part 1, page 77:
+ *
+ * "For buffer surfaces, the number of entries in the buffer ranges
+ * from 1 to 2^27."
+ */
+ assert(num_entries >= 1 && num_entries <= 1 << 27);
+
+ /*
+ * From the Sandy Bridge PRM, volume 4 part 1, page 81:
+ *
+ * "For surfaces of type SURFTYPE_BUFFER, this field (Surface Pitch)
+ * indicates the size of the structure."
+ */
+ pitch = struct_size;
+
+ pitch--;
+ num_entries--;
+ /* bits [6:0] */
+ width = (num_entries & 0x0000007f);
+ /* bits [19:7] */
+ height = (num_entries & 0x000fff80) >> 7;
+ /* bits [26:20] */
+ depth = (num_entries & 0x07f00000) >> 20;
+
+ STATIC_ASSERT(Elements(surf->payload) >= 6);
+ dw = surf->payload;
+
+ dw[0] = GEN6_SURFTYPE_BUFFER << GEN6_SURFACE_DW0_TYPE__SHIFT |
+ surface_format << GEN6_SURFACE_DW0_FORMAT__SHIFT;
+ if (render_cache_rw)
+ dw[0] |= GEN6_SURFACE_DW0_RENDER_CACHE_RW;
+
+ dw[1] = offset;
+
+ dw[2] = height << GEN6_SURFACE_DW2_HEIGHT__SHIFT |
+ width << GEN6_SURFACE_DW2_WIDTH__SHIFT;
+
+ dw[3] = depth << GEN6_SURFACE_DW3_DEPTH__SHIFT |
+ pitch << GEN6_SURFACE_DW3_PITCH__SHIFT;
+
+ dw[4] = 0;
+ dw[5] = 0;
+
+ /* do not increment reference count */
+ surf->bo = buf->bo;
+}
+
+void
+ilo_gpe_init_view_surface_for_texture_gen6(const struct ilo_dev_info *dev,
+ const struct ilo_texture *tex,
+ enum pipe_format format,
+ unsigned first_level,
+ unsigned num_levels,
+ unsigned first_layer,
+ unsigned num_layers,
+ bool is_rt,
+ struct ilo_view_surface *surf)
+{
+ int surface_type, surface_format;
+ int width, height, depth, pitch, lod;
+ uint32_t *dw;
+
+ ILO_DEV_ASSERT(dev, 6, 6);
+
+ surface_type = ilo_gpe_gen6_translate_texture(tex->base.target);
+ assert(surface_type != GEN6_SURFTYPE_BUFFER);
+
+ if (format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT && tex->separate_s8)
+ format = PIPE_FORMAT_Z32_FLOAT;
+
+ if (is_rt)
+ surface_format = ilo_translate_render_format(dev, format);
+ else
+ surface_format = ilo_translate_texture_format(dev, format);
+ assert(surface_format >= 0);
+
+ width = tex->layout.width0;
+ height = tex->layout.height0;
+ depth = (tex->base.target == PIPE_TEXTURE_3D) ?
+ tex->base.depth0 : num_layers;
+ pitch = tex->layout.bo_stride;
+
+ if (surface_type == GEN6_SURFTYPE_CUBE) {
+ /*
+ * From the Sandy Bridge PRM, volume 4 part 1, page 81:
+ *
+ * "For SURFTYPE_CUBE: [DevSNB+]: for Sampling Engine Surfaces, the
+ * range of this field (Depth) is [0,84], indicating the number of
+ * cube array elements (equal to the number of underlying 2D array
+ * elements divided by 6). For other surfaces, this field must be
+ * zero."
+ *
+ * When is_rt is true, we treat the texture as a 2D one to avoid the
+ * restriction.
+ */
+ if (is_rt) {
+ surface_type = GEN6_SURFTYPE_2D;
+ }
+ else {
+ assert(num_layers % 6 == 0);
+ depth = num_layers / 6;
+ }
+ }
+
+ /* sanity check the size */
+ assert(width >= 1 && height >= 1 && depth >= 1 && pitch >= 1);
+ switch (surface_type) {
+ case GEN6_SURFTYPE_1D:
+ assert(width <= 8192 && height == 1 && depth <= 512);
+ assert(first_layer < 512 && num_layers <= 512);
+ break;
+ case GEN6_SURFTYPE_2D:
+ assert(width <= 8192 && height <= 8192 && depth <= 512);
+ assert(first_layer < 512 && num_layers <= 512);
+ break;
+ case GEN6_SURFTYPE_3D:
+ assert(width <= 2048 && height <= 2048 && depth <= 2048);
+ assert(first_layer < 2048 && num_layers <= 512);
+ if (!is_rt)
+ assert(first_layer == 0);
+ break;
+ case GEN6_SURFTYPE_CUBE:
+ assert(width <= 8192 && height <= 8192 && depth <= 85);
+ assert(width == height);
+ assert(first_layer < 512 && num_layers <= 512);
+ if (is_rt)
+ assert(first_layer == 0);
+ break;
+ default:
+ assert(!"unexpected surface type");
+ break;
+ }
+
+ /* non-full array spacing is supported only on GEN7+ */
+ assert(tex->layout.walk != ILO_LAYOUT_WALK_LOD);
+ /* non-interleaved samples are supported only on GEN7+ */
+ if (tex->base.nr_samples > 1)
+ assert(tex->layout.interleaved_samples);
+
+ if (is_rt) {
+ assert(num_levels == 1);
+ lod = first_level;
+ }
+ else {
+ lod = num_levels - 1;
+ }
+
+ /*
+ * From the Sandy Bridge PRM, volume 4 part 1, page 76:
+ *
+ * "Linear render target surface base addresses must be element-size
+ * aligned, for non-YUV surface formats, or a multiple of 2
+ * element-sizes for YUV surface formats. Other linear surfaces have
+ * no alignment requirements (byte alignment is sufficient.)"
+ *
+ * From the Sandy Bridge PRM, volume 4 part 1, page 81:
+ *
+ * "For linear render target surfaces, the pitch must be a multiple
+ * of the element size for non-YUV surface formats. Pitch must be a
+ * multiple of 2 * element size for YUV surface formats."
+ *
+ * From the Sandy Bridge PRM, volume 4 part 1, page 86:
+ *
+ * "For linear surfaces, this field (X Offset) must be zero"
+ */
+ if (tex->layout.tiling == INTEL_TILING_NONE) {
+ if (is_rt) {
+ const int elem_size = util_format_get_blocksize(format);
+ assert(pitch % elem_size == 0);
+ }
+ }
+
+ STATIC_ASSERT(Elements(surf->payload) >= 6);
+ dw = surf->payload;
+
+ dw[0] = surface_type << GEN6_SURFACE_DW0_TYPE__SHIFT |
+ surface_format << GEN6_SURFACE_DW0_FORMAT__SHIFT |
+ GEN6_SURFACE_DW0_MIPLAYOUT_BELOW;
+
+ if (surface_type == GEN6_SURFTYPE_CUBE && !is_rt) {
+ dw[0] |= 1 << 9 |
+ GEN6_SURFACE_DW0_CUBE_FACE_ENABLES__MASK;
+ }
+
+ if (is_rt)
+ dw[0] |= GEN6_SURFACE_DW0_RENDER_CACHE_RW;
+
+ dw[1] = 0;
+
+ dw[2] = (height - 1) << GEN6_SURFACE_DW2_HEIGHT__SHIFT |
+ (width - 1) << GEN6_SURFACE_DW2_WIDTH__SHIFT |
+ lod << GEN6_SURFACE_DW2_MIP_COUNT_LOD__SHIFT;
+
+ dw[3] = (depth - 1) << GEN6_SURFACE_DW3_DEPTH__SHIFT |
+ (pitch - 1) << GEN6_SURFACE_DW3_PITCH__SHIFT |
+ ilo_gpe_gen6_translate_winsys_tiling(tex->layout.tiling);
+
+ dw[4] = first_level << GEN6_SURFACE_DW4_MIN_LOD__SHIFT |
+ first_layer << 17 |
+ (num_layers - 1) << 8 |
+ ((tex->base.nr_samples > 1) ? GEN6_SURFACE_DW4_MULTISAMPLECOUNT_4 :
+ GEN6_SURFACE_DW4_MULTISAMPLECOUNT_1);
+
+ dw[5] = 0;
+
+ assert(tex->layout.align_j == 2 || tex->layout.align_j == 4);
+ if (tex->layout.align_j == 4)
+ dw[5] |= GEN6_SURFACE_DW5_VALIGN_4;
+
+ /* do not increment reference count */
+ surf->bo = tex->bo;
+}
+
+void
+ilo_gpe_init_view_surface_null_gen7(const struct ilo_dev_info *dev,
+ unsigned width, unsigned height,
+ unsigned depth, unsigned level,
+ struct ilo_view_surface *surf)
+{
+ uint32_t *dw;
+
+ ILO_DEV_ASSERT(dev, 7, 7.5);
+
+ assert(width >= 1 && height >= 1 && depth >= 1);
+
+ /*
+ * From the Ivy Bridge PRM, volume 4 part 1, page 62:
+ *
+ * "A null surface is used in instances where an actual surface is not
+ * bound. When a write message is generated to a null surface, no
+ * actual surface is written to. When a read message (including any
+ * sampling engine message) is generated to a null surface, the result
+ * is all zeros. Note that a null surface type is allowed to be used
+ * with all messages, even if it is not specificially indicated as
+ * supported. All of the remaining fields in surface state are ignored
+ * for null surfaces, with the following exceptions:
+ *
+ * * Width, Height, Depth, LOD, and Render Target View Extent fields
+ * must match the depth buffer's corresponding state for all render
+ * target surfaces, including null.
+ * * All sampling engine and data port messages support null surfaces
+ * with the above behavior, even if not mentioned as specifically
+ * supported, except for the following:
+ * * Data Port Media Block Read/Write messages.
+ * * The Surface Type of a surface used as a render target (accessed
+ * via the Data Port's Render Target Write message) must be the same
+ * as the Surface Type of all other render targets and of the depth
+ * buffer (defined in 3DSTATE_DEPTH_BUFFER), unless either the depth
+ * buffer or render targets are SURFTYPE_NULL."
+ *
+ * From the Ivy Bridge PRM, volume 4 part 1, page 65:
+ *
+ * "If Surface Type is SURFTYPE_NULL, this field (Tiled Surface) must be
+ * true"
+ */
+
+ STATIC_ASSERT(Elements(surf->payload) >= 8);
+ dw = surf->payload;
+
+ dw[0] = GEN6_SURFTYPE_NULL << GEN7_SURFACE_DW0_TYPE__SHIFT |
+ GEN6_FORMAT_B8G8R8A8_UNORM << GEN7_SURFACE_DW0_FORMAT__SHIFT |
+ GEN6_TILING_X << 13;
+
+ dw[1] = 0;
+
+ dw[2] = GEN_SHIFT32(height - 1, GEN7_SURFACE_DW2_HEIGHT) |
+ GEN_SHIFT32(width - 1, GEN7_SURFACE_DW2_WIDTH);
+
+ dw[3] = GEN_SHIFT32(depth - 1, GEN7_SURFACE_DW3_DEPTH);
+
+ dw[4] = 0;
+ dw[5] = level;
+
+ dw[6] = 0;
+ dw[7] = 0;
+
+ surf->bo = NULL;
+}
+
+void
+ilo_gpe_init_view_surface_for_buffer_gen7(const struct ilo_dev_info *dev,
+ const struct ilo_buffer *buf,
+ unsigned offset, unsigned size,
+ unsigned struct_size,
+ enum pipe_format elem_format,
+ bool is_rt, bool render_cache_rw,
+ struct ilo_view_surface *surf)
+{
+ const bool typed = (elem_format != PIPE_FORMAT_NONE);
+ const bool structured = (!typed && struct_size > 1);
+ const int elem_size = (typed) ?
+ util_format_get_blocksize(elem_format) : 1;
+ int width, height, depth, pitch;
+ int surface_type, surface_format, num_entries;
+ uint32_t *dw;
+
+ ILO_DEV_ASSERT(dev, 7, 7.5);
+
+ surface_type = (structured) ? GEN7_SURFTYPE_STRBUF : GEN6_SURFTYPE_BUFFER;
+
+ surface_format = (typed) ?
+ ilo_translate_color_format(dev, elem_format) : GEN6_FORMAT_RAW;
+
+ num_entries = size / struct_size;
+ /* see if there is enough space to fit another element */
+ if (size % struct_size >= elem_size && !structured)
+ num_entries++;
+
+ /*
+ * From the Ivy Bridge PRM, volume 4 part 1, page 67:
+ *
+ * "For SURFTYPE_BUFFER render targets, this field (Surface Base
+ * Address) specifies the base address of first element of the
+ * surface. The surface is interpreted as a simple array of that
+ * single element type. The address must be naturally-aligned to the
+ * element size (e.g., a buffer containing R32G32B32A32_FLOAT elements
+ * must be 16-byte aligned)
+ *
+ * For SURFTYPE_BUFFER non-rendertarget surfaces, this field specifies
+ * the base address of the first element of the surface, computed in
+ * software by adding the surface base address to the byte offset of
+ * the element in the buffer."
+ */
+ if (is_rt)
+ assert(offset % elem_size == 0);
+
+ /*
+ * From the Ivy Bridge PRM, volume 4 part 1, page 68:
+ *
+ * "For typed buffer and structured buffer surfaces, the number of
+ * entries in the buffer ranges from 1 to 2^27. For raw buffer
+ * surfaces, the number of entries in the buffer is the number of
+ * bytes which can range from 1 to 2^30."
+ */
+ assert(num_entries >= 1 &&
+ num_entries <= 1 << ((typed || structured) ? 27 : 30));
+
+ /*
+ * From the Ivy Bridge PRM, volume 4 part 1, page 69:
+ *
+ * "For SURFTYPE_BUFFER: The low two bits of this field (Width) must be
+ * 11 if the Surface Format is RAW (the size of the buffer must be a
+ * multiple of 4 bytes)."
+ *
+ * From the Ivy Bridge PRM, volume 4 part 1, page 70:
+ *
+ * "For surfaces of type SURFTYPE_BUFFER and SURFTYPE_STRBUF, this
+ * field (Surface Pitch) indicates the size of the structure."
+ *
+ * "For linear surfaces with Surface Type of SURFTYPE_STRBUF, the pitch
+ * must be a multiple of 4 bytes."
+ */
+ if (structured)
+ assert(struct_size % 4 == 0);
+ else if (!typed)
+ assert(num_entries % 4 == 0);
+
+ pitch = struct_size;
+
+ pitch--;
+ num_entries--;
+ /* bits [6:0] */
+ width = (num_entries & 0x0000007f);
+ /* bits [20:7] */
+ height = (num_entries & 0x001fff80) >> 7;
+ /* bits [30:21] */
+ depth = (num_entries & 0x7fe00000) >> 21;
+ /* limit to [26:21] */
+ if (typed || structured)
+ depth &= 0x3f;
+
+ STATIC_ASSERT(Elements(surf->payload) >= 8);
+ dw = surf->payload;
+
+ dw[0] = surface_type << GEN7_SURFACE_DW0_TYPE__SHIFT |
+ surface_format << GEN7_SURFACE_DW0_FORMAT__SHIFT;
+ if (render_cache_rw)
+ dw[0] |= GEN7_SURFACE_DW0_RENDER_CACHE_RW;
+
+ dw[1] = offset;
+
+ dw[2] = GEN_SHIFT32(height, GEN7_SURFACE_DW2_HEIGHT) |
+ GEN_SHIFT32(width, GEN7_SURFACE_DW2_WIDTH);
+
+ dw[3] = GEN_SHIFT32(depth, GEN7_SURFACE_DW3_DEPTH) |
+ pitch;
+
+ dw[4] = 0;
+ dw[5] = 0;
+
+ dw[6] = 0;
+ dw[7] = 0;
+
+ if (ilo_dev_gen(dev) >= ILO_GEN(7.5)) {
+ dw[7] |= GEN_SHIFT32(GEN75_SCS_RED, GEN75_SURFACE_DW7_SCS_R) |
+ GEN_SHIFT32(GEN75_SCS_GREEN, GEN75_SURFACE_DW7_SCS_G) |
+ GEN_SHIFT32(GEN75_SCS_BLUE, GEN75_SURFACE_DW7_SCS_B) |
+ GEN_SHIFT32(GEN75_SCS_ALPHA, GEN75_SURFACE_DW7_SCS_A);
+ }
+
+ /* do not increment reference count */
+ surf->bo = buf->bo;
+}
+
+void
+ilo_gpe_init_view_surface_for_texture_gen7(const struct ilo_dev_info *dev,
+ const struct ilo_texture *tex,
+ enum pipe_format format,
+ unsigned first_level,
+ unsigned num_levels,
+ unsigned first_layer,
+ unsigned num_layers,
+ bool is_rt,
+ struct ilo_view_surface *surf)
+{
+ int surface_type, surface_format;
+ int width, height, depth, pitch, lod;
+ uint32_t *dw;
+
+ ILO_DEV_ASSERT(dev, 7, 7.5);
+
+ surface_type = ilo_gpe_gen6_translate_texture(tex->base.target);
+ assert(surface_type != GEN6_SURFTYPE_BUFFER);
+
+ if (format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT && tex->separate_s8)
+ format = PIPE_FORMAT_Z32_FLOAT;
+
+ if (is_rt)
+ surface_format = ilo_translate_render_format(dev, format);
+ else
+ surface_format = ilo_translate_texture_format(dev, format);
+ assert(surface_format >= 0);
+
+ width = tex->layout.width0;
+ height = tex->layout.height0;
+ depth = (tex->base.target == PIPE_TEXTURE_3D) ?
+ tex->base.depth0 : num_layers;
+ pitch = tex->layout.bo_stride;
+
+ if (surface_type == GEN6_SURFTYPE_CUBE) {
+ /*
+ * From the Ivy Bridge PRM, volume 4 part 1, page 70:
+ *
+ * "For SURFTYPE_CUBE:For Sampling Engine Surfaces, the range of
+ * this field is [0,340], indicating the number of cube array
+ * elements (equal to the number of underlying 2D array elements
+ * divided by 6). For other surfaces, this field must be zero."
+ *
+ * When is_rt is true, we treat the texture as a 2D one to avoid the
+ * restriction.
+ */
+ if (is_rt) {
+ surface_type = GEN6_SURFTYPE_2D;
+ }
+ else {
+ assert(num_layers % 6 == 0);
+ depth = num_layers / 6;
+ }
+ }
+
+ /* sanity check the size */
+ assert(width >= 1 && height >= 1 && depth >= 1 && pitch >= 1);
+ assert(first_layer < 2048 && num_layers <= 2048);
+ switch (surface_type) {
+ case GEN6_SURFTYPE_1D:
+ assert(width <= 16384 && height == 1 && depth <= 2048);
+ break;
+ case GEN6_SURFTYPE_2D:
+ assert(width <= 16384 && height <= 16384 && depth <= 2048);
+ break;
+ case GEN6_SURFTYPE_3D:
+ assert(width <= 2048 && height <= 2048 && depth <= 2048);
+ if (!is_rt)
+ assert(first_layer == 0);
+ break;
+ case GEN6_SURFTYPE_CUBE:
+ assert(width <= 16384 && height <= 16384 && depth <= 86);
+ assert(width == height);
+ if (is_rt)
+ assert(first_layer == 0);
+ break;
+ default:
+ assert(!"unexpected surface type");
+ break;
+ }
+
+ if (is_rt) {
+ assert(num_levels == 1);
+ lod = first_level;
+ }
+ else {
+ lod = num_levels - 1;
+ }
+
+ /*
+ * From the Ivy Bridge PRM, volume 4 part 1, page 68:
+ *
+ * "The Base Address for linear render target surfaces and surfaces
+ * accessed with the typed surface read/write data port messages must
+ * be element-size aligned, for non-YUV surface formats, or a multiple
+ * of 2 element-sizes for YUV surface formats. Other linear surfaces
+ * have no alignment requirements (byte alignment is sufficient)."
+ *
+ * From the Ivy Bridge PRM, volume 4 part 1, page 70:
+ *
+ * "For linear render target surfaces and surfaces accessed with the
+ * typed data port messages, the pitch must be a multiple of the
+ * element size for non-YUV surface formats. Pitch must be a multiple
+ * of 2 * element size for YUV surface formats. For linear surfaces
+ * with Surface Type of SURFTYPE_STRBUF, the pitch must be a multiple
+ * of 4 bytes.For other linear surfaces, the pitch can be any multiple
+ * of bytes."
+ *
+ * From the Ivy Bridge PRM, volume 4 part 1, page 74:
+ *
+ * "For linear surfaces, this field (X Offset) must be zero."
+ */
+ if (tex->layout.tiling == INTEL_TILING_NONE) {
+ if (is_rt) {
+ const int elem_size = util_format_get_blocksize(format);
+ assert(pitch % elem_size == 0);
+ }
+ }
+
+ STATIC_ASSERT(Elements(surf->payload) >= 8);
+ dw = surf->payload;
+
+ dw[0] = surface_type << GEN7_SURFACE_DW0_TYPE__SHIFT |
+ surface_format << GEN7_SURFACE_DW0_FORMAT__SHIFT |
+ ilo_gpe_gen6_translate_winsys_tiling(tex->layout.tiling) << 13;
+
+ /*
+ * From the Ivy Bridge PRM, volume 4 part 1, page 63:
+ *
+ * "If this field (Surface Array) is enabled, the Surface Type must be
+ * SURFTYPE_1D, SURFTYPE_2D, or SURFTYPE_CUBE. If this field is
+ * disabled and Surface Type is SURFTYPE_1D, SURFTYPE_2D, or
+ * SURFTYPE_CUBE, the Depth field must be set to zero."
+ *
+ * For non-3D sampler surfaces, resinfo (the sampler message) always
+ * returns zero for the number of layers when this field is not set.
+ */
+ if (surface_type != GEN6_SURFTYPE_3D) {
+ if (util_resource_is_array_texture(&tex->base))
+ dw[0] |= GEN7_SURFACE_DW0_IS_ARRAY;
+ else
+ assert(depth == 1);
+ }
+
+ assert(tex->layout.align_i == 4 || tex->layout.align_i == 8);
+ assert(tex->layout.align_j == 2 || tex->layout.align_j == 4);
+
+ if (tex->layout.align_j == 4)
+ dw[0] |= GEN7_SURFACE_DW0_VALIGN_4;
+
+ if (tex->layout.align_i == 8)
+ dw[0] |= GEN7_SURFACE_DW0_HALIGN_8;
+
+ if (tex->layout.walk == ILO_LAYOUT_WALK_LOD)
+ dw[0] |= GEN7_SURFACE_DW0_ARYSPC_LOD0;
+ else
+ dw[0] |= GEN7_SURFACE_DW0_ARYSPC_FULL;
+
+ if (is_rt)
+ dw[0] |= GEN7_SURFACE_DW0_RENDER_CACHE_RW;
+
+ if (surface_type == GEN6_SURFTYPE_CUBE && !is_rt)
+ dw[0] |= GEN7_SURFACE_DW0_CUBE_FACE_ENABLES__MASK;
+
+ dw[1] = 0;
+
+ dw[2] = GEN_SHIFT32(height - 1, GEN7_SURFACE_DW2_HEIGHT) |
+ GEN_SHIFT32(width - 1, GEN7_SURFACE_DW2_WIDTH);
+
+ dw[3] = GEN_SHIFT32(depth - 1, GEN7_SURFACE_DW3_DEPTH) |
+ (pitch - 1);
+
+ dw[4] = first_layer << 18 |
+ (num_layers - 1) << 7;
+
+ /*
+ * MSFMT_MSS means the samples are not interleaved and MSFMT_DEPTH_STENCIL
+ * means the samples are interleaved. The layouts are the same when the
+ * number of samples is 1.
+ */
+ if (tex->layout.interleaved_samples && tex->base.nr_samples > 1) {
+ assert(!is_rt);
+ dw[4] |= GEN7_SURFACE_DW4_MSFMT_DEPTH_STENCIL;
+ }
+ else {
+ dw[4] |= GEN7_SURFACE_DW4_MSFMT_MSS;
+ }
+
+ if (tex->base.nr_samples > 4)
+ dw[4] |= GEN7_SURFACE_DW4_MULTISAMPLECOUNT_8;
+ else if (tex->base.nr_samples > 2)
+ dw[4] |= GEN7_SURFACE_DW4_MULTISAMPLECOUNT_4;
+ else
+ dw[4] |= GEN7_SURFACE_DW4_MULTISAMPLECOUNT_1;
+
+ dw[5] = GEN_SHIFT32(first_level, GEN7_SURFACE_DW5_MIN_LOD) |
+ lod;
+
+ dw[6] = 0;
+ dw[7] = 0;
+
+ if (ilo_dev_gen(dev) >= ILO_GEN(7.5)) {
+ dw[7] |= GEN_SHIFT32(GEN75_SCS_RED, GEN75_SURFACE_DW7_SCS_R) |
+ GEN_SHIFT32(GEN75_SCS_GREEN, GEN75_SURFACE_DW7_SCS_G) |
+ GEN_SHIFT32(GEN75_SCS_BLUE, GEN75_SURFACE_DW7_SCS_B) |
+ GEN_SHIFT32(GEN75_SCS_ALPHA, GEN75_SURFACE_DW7_SCS_A);
+ }
+
+ /* do not increment reference count */
+ surf->bo = tex->bo;
+}
+
+static void
+sampler_init_border_color_gen6(const struct ilo_dev_info *dev,
+ const union pipe_color_union *color,
+ uint32_t *dw, int num_dwords)
+{
+ float rgba[4] = {
+ color->f[0], color->f[1], color->f[2], color->f[3],
+ };
+
+ ILO_DEV_ASSERT(dev, 6, 6);
+
+ assert(num_dwords >= 12);
+
+ /*
+ * This state is not documented in the Sandy Bridge PRM, but in the
+ * Ironlake PRM. SNORM8 seems to be in DW11 instead of DW1.
+ */
+
+ /* IEEE_FP */
+ dw[1] = fui(rgba[0]);
+ dw[2] = fui(rgba[1]);
+ dw[3] = fui(rgba[2]);
+ dw[4] = fui(rgba[3]);
+
+ /* FLOAT_16 */
+ dw[5] = util_float_to_half(rgba[0]) |
+ util_float_to_half(rgba[1]) << 16;
+ dw[6] = util_float_to_half(rgba[2]) |
+ util_float_to_half(rgba[3]) << 16;
+
+ /* clamp to [-1.0f, 1.0f] */
+ rgba[0] = CLAMP(rgba[0], -1.0f, 1.0f);
+ rgba[1] = CLAMP(rgba[1], -1.0f, 1.0f);
+ rgba[2] = CLAMP(rgba[2], -1.0f, 1.0f);
+ rgba[3] = CLAMP(rgba[3], -1.0f, 1.0f);
+
+ /* SNORM16 */
+ dw[9] = (int16_t) util_iround(rgba[0] * 32767.0f) |
+ (int16_t) util_iround(rgba[1] * 32767.0f) << 16;
+ dw[10] = (int16_t) util_iround(rgba[2] * 32767.0f) |
+ (int16_t) util_iround(rgba[3] * 32767.0f) << 16;
+
+ /* SNORM8 */
+ dw[11] = (int8_t) util_iround(rgba[0] * 127.0f) |
+ (int8_t) util_iround(rgba[1] * 127.0f) << 8 |
+ (int8_t) util_iround(rgba[2] * 127.0f) << 16 |
+ (int8_t) util_iround(rgba[3] * 127.0f) << 24;
+
+ /* clamp to [0.0f, 1.0f] */
+ rgba[0] = CLAMP(rgba[0], 0.0f, 1.0f);
+ rgba[1] = CLAMP(rgba[1], 0.0f, 1.0f);
+ rgba[2] = CLAMP(rgba[2], 0.0f, 1.0f);
+ rgba[3] = CLAMP(rgba[3], 0.0f, 1.0f);
+
+ /* UNORM8 */
+ dw[0] = (uint8_t) util_iround(rgba[0] * 255.0f) |
+ (uint8_t) util_iround(rgba[1] * 255.0f) << 8 |
+ (uint8_t) util_iround(rgba[2] * 255.0f) << 16 |
+ (uint8_t) util_iround(rgba[3] * 255.0f) << 24;
+
+ /* UNORM16 */
+ dw[7] = (uint16_t) util_iround(rgba[0] * 65535.0f) |
+ (uint16_t) util_iround(rgba[1] * 65535.0f) << 16;
+ dw[8] = (uint16_t) util_iround(rgba[2] * 65535.0f) |
+ (uint16_t) util_iround(rgba[3] * 65535.0f) << 16;
+}
+
+/**
+ * Translate a pipe texture mipfilter to the matching hardware mipfilter.
+ */
+static int
+gen6_translate_tex_mipfilter(unsigned filter)
+{
+ switch (filter) {
+ case PIPE_TEX_MIPFILTER_NEAREST: return GEN6_MIPFILTER_NEAREST;
+ case PIPE_TEX_MIPFILTER_LINEAR: return GEN6_MIPFILTER_LINEAR;
+ case PIPE_TEX_MIPFILTER_NONE: return GEN6_MIPFILTER_NONE;
+ default:
+ assert(!"unknown mipfilter");
+ return GEN6_MIPFILTER_NONE;
+ }
+}
+
+/**
+ * Translate a pipe texture filter to the matching hardware mapfilter.
+ */
+static int
+gen6_translate_tex_filter(unsigned filter)
+{
+ switch (filter) {
+ case PIPE_TEX_FILTER_NEAREST: return GEN6_MAPFILTER_NEAREST;
+ case PIPE_TEX_FILTER_LINEAR: return GEN6_MAPFILTER_LINEAR;
+ default:
+ assert(!"unknown sampler filter");
+ return GEN6_MAPFILTER_NEAREST;
+ }
+}
+
+/**
+ * Translate a pipe texture coordinate wrapping mode to the matching hardware
+ * wrapping mode.
+ */
+static int
+gen6_translate_tex_wrap(unsigned wrap, bool clamp_to_edge)
+{
+ /* clamp to edge or border? */
+ if (wrap == PIPE_TEX_WRAP_CLAMP) {
+ wrap = (clamp_to_edge) ?
+ PIPE_TEX_WRAP_CLAMP_TO_EDGE : PIPE_TEX_WRAP_CLAMP_TO_BORDER;
+ }
+
+ switch (wrap) {
+ case PIPE_TEX_WRAP_REPEAT: return GEN6_TEXCOORDMODE_WRAP;
+ case PIPE_TEX_WRAP_CLAMP_TO_EDGE: return GEN6_TEXCOORDMODE_CLAMP;
+ case PIPE_TEX_WRAP_CLAMP_TO_BORDER: return GEN6_TEXCOORDMODE_CLAMP_BORDER;
+ case PIPE_TEX_WRAP_MIRROR_REPEAT: return GEN6_TEXCOORDMODE_MIRROR;
+ case PIPE_TEX_WRAP_CLAMP:
+ case PIPE_TEX_WRAP_MIRROR_CLAMP:
+ case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE:
+ case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER:
+ default:
+ assert(!"unknown sampler wrap mode");
+ return GEN6_TEXCOORDMODE_WRAP;
+ }
+}
+
+/**
+ * Translate a pipe shadow compare function to the matching hardware shadow
+ * function.
+ */
+static int
+gen6_translate_shadow_func(unsigned func)
+{
+ /*
+ * For PIPE_FUNC_x, the reference value is on the left-hand side of the
+ * comparison, and 1.0 is returned when the comparison is true.
+ *
+ * For GEN6_COMPAREFUNCTION_x, the reference value is on the right-hand side of
+ * the comparison, and 0.0 is returned when the comparison is true.
+ */
+ switch (func) {
+ case PIPE_FUNC_NEVER: return GEN6_COMPAREFUNCTION_ALWAYS;
+ case PIPE_FUNC_LESS: return GEN6_COMPAREFUNCTION_LEQUAL;
+ case PIPE_FUNC_EQUAL: return GEN6_COMPAREFUNCTION_NOTEQUAL;
+ case PIPE_FUNC_LEQUAL: return GEN6_COMPAREFUNCTION_LESS;
+ case PIPE_FUNC_GREATER: return GEN6_COMPAREFUNCTION_GEQUAL;
+ case PIPE_FUNC_NOTEQUAL: return GEN6_COMPAREFUNCTION_EQUAL;
+ case PIPE_FUNC_GEQUAL: return GEN6_COMPAREFUNCTION_GREATER;
+ case PIPE_FUNC_ALWAYS: return GEN6_COMPAREFUNCTION_NEVER;
+ default:
+ assert(!"unknown shadow compare function");
+ return GEN6_COMPAREFUNCTION_NEVER;
+ }
+}
+
+void
+ilo_gpe_init_sampler_cso(const struct ilo_dev_info *dev,
+ const struct pipe_sampler_state *state,
+ struct ilo_sampler_cso *sampler)
+{
+ int mip_filter, min_filter, mag_filter, max_aniso;
+ int lod_bias, max_lod, min_lod;
+ int wrap_s, wrap_t, wrap_r, wrap_cube;
+ bool clamp_is_to_edge;
+ uint32_t dw0, dw1, dw3;
+
+ ILO_DEV_ASSERT(dev, 6, 7.5);
+
+ memset(sampler, 0, sizeof(*sampler));
+
+ mip_filter = gen6_translate_tex_mipfilter(state->min_mip_filter);
+ min_filter = gen6_translate_tex_filter(state->min_img_filter);
+ mag_filter = gen6_translate_tex_filter(state->mag_img_filter);
+
+ sampler->anisotropic = state->max_anisotropy;
+
+ if (state->max_anisotropy >= 2 && state->max_anisotropy <= 16)
+ max_aniso = state->max_anisotropy / 2 - 1;
+ else if (state->max_anisotropy > 16)
+ max_aniso = GEN6_ANISORATIO_16;
+ else
+ max_aniso = GEN6_ANISORATIO_2;
+
+ /*
+ *
+ * Here is how the hardware calculate per-pixel LOD, from my reading of the
+ * PRMs:
+ *
+ * 1) LOD is set to log2(ratio of texels to pixels) if not specified in
+ * other ways. The number of texels is measured using level
+ * SurfMinLod.
+ * 2) Bias is added to LOD.
+ * 3) LOD is clamped to [MinLod, MaxLod], and the clamped value is
+ * compared with Base to determine whether magnification or
+ * minification is needed. (if preclamp is disabled, LOD is compared
+ * with Base before clamping)
+ * 4) If magnification is needed, or no mipmapping is requested, LOD is
+ * set to floor(MinLod).
+ * 5) LOD is clamped to [0, MIPCnt], and SurfMinLod is added to LOD.
+ *
+ * With Gallium interface, Base is always zero and
+ * pipe_sampler_view::u.tex.first_level specifies SurfMinLod.
+ */
+ if (ilo_dev_gen(dev) >= ILO_GEN(7)) {
+ const float scale = 256.0f;
+
+ /* [-16.0, 16.0) in S4.8 */
+ lod_bias = (int)
+ (CLAMP(state->lod_bias, -16.0f, 15.9f) * scale);
+ lod_bias &= 0x1fff;
+
+ /* [0.0, 14.0] in U4.8 */
+ max_lod = (int) (CLAMP(state->max_lod, 0.0f, 14.0f) * scale);
+ min_lod = (int) (CLAMP(state->min_lod, 0.0f, 14.0f) * scale);
+ }
+ else {
+ const float scale = 64.0f;
+
+ /* [-16.0, 16.0) in S4.6 */
+ lod_bias = (int)
+ (CLAMP(state->lod_bias, -16.0f, 15.9f) * scale);
+ lod_bias &= 0x7ff;
+
+ /* [0.0, 13.0] in U4.6 */
+ max_lod = (int) (CLAMP(state->max_lod, 0.0f, 13.0f) * scale);
+ min_lod = (int) (CLAMP(state->min_lod, 0.0f, 13.0f) * scale);
+ }
+
+ /*
+ * We want LOD to be clamped to determine magnification/minification, and
+ * get set to zero when it is magnification or when mipmapping is disabled.
+ * The hardware would set LOD to floor(MinLod) and that is a problem when
+ * MinLod is greater than or equal to 1.0f.
+ *
+ * With Base being zero, it is always minification when MinLod is non-zero.
+ * To achieve our goal, we just need to set MinLod to zero and set
+ * MagFilter to MinFilter when mipmapping is disabled.
+ */
+ if (state->min_mip_filter == PIPE_TEX_MIPFILTER_NONE && min_lod) {
+ min_lod = 0;
+ mag_filter = min_filter;
+ }
+
+ /*
+ * For nearest filtering, PIPE_TEX_WRAP_CLAMP means
+ * PIPE_TEX_WRAP_CLAMP_TO_EDGE; for linear filtering, PIPE_TEX_WRAP_CLAMP
+ * means PIPE_TEX_WRAP_CLAMP_TO_BORDER while additionally clamping the
+ * texture coordinates to [0.0, 1.0].
+ *
+ * The clamping will be taken care of in the shaders. There are two
+ * filters here, but let the minification one has a say.
+ */
+ clamp_is_to_edge = (state->min_img_filter == PIPE_TEX_FILTER_NEAREST);
+ if (!clamp_is_to_edge) {
+ sampler->saturate_s = (state->wrap_s == PIPE_TEX_WRAP_CLAMP);
+ sampler->saturate_t = (state->wrap_t == PIPE_TEX_WRAP_CLAMP);
+ sampler->saturate_r = (state->wrap_r == PIPE_TEX_WRAP_CLAMP);
+ }
+
+ /* determine wrap s/t/r */
+ wrap_s = gen6_translate_tex_wrap(state->wrap_s, clamp_is_to_edge);
+ wrap_t = gen6_translate_tex_wrap(state->wrap_t, clamp_is_to_edge);
+ wrap_r = gen6_translate_tex_wrap(state->wrap_r, clamp_is_to_edge);
+
+ /*
+ * From the Sandy Bridge PRM, volume 4 part 1, page 107:
+ *
+ * "When using cube map texture coordinates, only TEXCOORDMODE_CLAMP
+ * and TEXCOORDMODE_CUBE settings are valid, and each TC component
+ * must have the same Address Control mode."
+ *
+ * From the Ivy Bridge PRM, volume 4 part 1, page 96:
+ *
+ * "This field (Cube Surface Control Mode) must be set to
+ * CUBECTRLMODE_PROGRAMMED"
+ *
+ * Therefore, we cannot use "Cube Surface Control Mode" for semless cube
+ * map filtering.
+ */
+ if (state->seamless_cube_map &&
+ (state->min_img_filter != PIPE_TEX_FILTER_NEAREST ||
+ state->mag_img_filter != PIPE_TEX_FILTER_NEAREST)) {
+ wrap_cube = GEN6_TEXCOORDMODE_CUBE;
+ }
+ else {
+ wrap_cube = GEN6_TEXCOORDMODE_CLAMP;
+ }
+
+ if (!state->normalized_coords) {
+ /*
+ * From the Ivy Bridge PRM, volume 4 part 1, page 98:
+ *
+ * "The following state must be set as indicated if this field
+ * (Non-normalized Coordinate Enable) is enabled:
+ *
+ * - TCX/Y/Z Address Control Mode must be TEXCOORDMODE_CLAMP,
+ * TEXCOORDMODE_HALF_BORDER, or TEXCOORDMODE_CLAMP_BORDER.
+ * - Surface Type must be SURFTYPE_2D or SURFTYPE_3D.
+ * - Mag Mode Filter must be MAPFILTER_NEAREST or
+ * MAPFILTER_LINEAR.
+ * - Min Mode Filter must be MAPFILTER_NEAREST or
+ * MAPFILTER_LINEAR.
+ * - Mip Mode Filter must be MIPFILTER_NONE.
+ * - Min LOD must be 0.
+ * - Max LOD must be 0.
+ * - MIP Count must be 0.
+ * - Surface Min LOD must be 0.
+ * - Texture LOD Bias must be 0."
+ */
+ assert(wrap_s == GEN6_TEXCOORDMODE_CLAMP ||
+ wrap_s == GEN6_TEXCOORDMODE_CLAMP_BORDER);
+ assert(wrap_t == GEN6_TEXCOORDMODE_CLAMP ||
+ wrap_t == GEN6_TEXCOORDMODE_CLAMP_BORDER);
+ assert(wrap_r == GEN6_TEXCOORDMODE_CLAMP ||
+ wrap_r == GEN6_TEXCOORDMODE_CLAMP_BORDER);
+
+ assert(mag_filter == GEN6_MAPFILTER_NEAREST ||
+ mag_filter == GEN6_MAPFILTER_LINEAR);
+ assert(min_filter == GEN6_MAPFILTER_NEAREST ||
+ min_filter == GEN6_MAPFILTER_LINEAR);
+
+ /* work around a bug in util_blitter */
+ mip_filter = GEN6_MIPFILTER_NONE;
+
+ assert(mip_filter == GEN6_MIPFILTER_NONE);
+ }
+
+ if (ilo_dev_gen(dev) >= ILO_GEN(7)) {
+ dw0 = 1 << 28 |
+ mip_filter << 20 |
+ lod_bias << 1;
+
+ sampler->dw_filter = mag_filter << 17 |
+ min_filter << 14;
+
+ sampler->dw_filter_aniso = GEN6_MAPFILTER_ANISOTROPIC << 17 |
+ GEN6_MAPFILTER_ANISOTROPIC << 14 |
+ 1;
+
+ dw1 = min_lod << 20 |
+ max_lod << 8;
+
+ if (state->compare_mode != PIPE_TEX_COMPARE_NONE)
+ dw1 |= gen6_translate_shadow_func(state->compare_func) << 1;
+
+ dw3 = max_aniso << 19;
+
+ /* round the coordinates for linear filtering */
+ if (min_filter != GEN6_MAPFILTER_NEAREST) {
+ dw3 |= (GEN6_SAMPLER_DW3_U_MIN_ROUND |
+ GEN6_SAMPLER_DW3_V_MIN_ROUND |
+ GEN6_SAMPLER_DW3_R_MIN_ROUND);
+ }
+ if (mag_filter != GEN6_MAPFILTER_NEAREST) {
+ dw3 |= (GEN6_SAMPLER_DW3_U_MAG_ROUND |
+ GEN6_SAMPLER_DW3_V_MAG_ROUND |
+ GEN6_SAMPLER_DW3_R_MAG_ROUND);
+ }
+
+ if (!state->normalized_coords)
+ dw3 |= 1 << 10;
+
+ sampler->dw_wrap = wrap_s << 6 |
+ wrap_t << 3 |
+ wrap_r;
+
+ /*
+ * As noted in the classic i965 driver, the HW may still reference
+ * wrap_t and wrap_r for 1D textures. We need to set them to a safe
+ * mode
+ */
+ sampler->dw_wrap_1d = wrap_s << 6 |
+ GEN6_TEXCOORDMODE_WRAP << 3 |
+ GEN6_TEXCOORDMODE_WRAP;
+
+ sampler->dw_wrap_cube = wrap_cube << 6 |
+ wrap_cube << 3 |
+ wrap_cube;
+
+ STATIC_ASSERT(Elements(sampler->payload) >= 7);
+
+ sampler->payload[0] = dw0;
+ sampler->payload[1] = dw1;
+ sampler->payload[2] = dw3;
+
+ memcpy(&sampler->payload[3],
+ state->border_color.ui, sizeof(state->border_color.ui));
+ }
+ else {
+ dw0 = 1 << 28 |
+ mip_filter << 20 |
+ lod_bias << 3;
+
+ if (state->compare_mode != PIPE_TEX_COMPARE_NONE)
+ dw0 |= gen6_translate_shadow_func(state->compare_func);
+
+ sampler->dw_filter = (min_filter != mag_filter) << 27 |
+ mag_filter << 17 |
+ min_filter << 14;
+
+ sampler->dw_filter_aniso = GEN6_MAPFILTER_ANISOTROPIC << 17 |
+ GEN6_MAPFILTER_ANISOTROPIC << 14;
+
+ dw1 = min_lod << 22 |
+ max_lod << 12;
+
+ sampler->dw_wrap = wrap_s << 6 |
+ wrap_t << 3 |
+ wrap_r;
+
+ sampler->dw_wrap_1d = wrap_s << 6 |
+ GEN6_TEXCOORDMODE_WRAP << 3 |
+ GEN6_TEXCOORDMODE_WRAP;
+
+ sampler->dw_wrap_cube = wrap_cube << 6 |
+ wrap_cube << 3 |
+ wrap_cube;
+
+ dw3 = max_aniso << 19;
+
+ /* round the coordinates for linear filtering */
+ if (min_filter != GEN6_MAPFILTER_NEAREST) {
+ dw3 |= (GEN6_SAMPLER_DW3_U_MIN_ROUND |
+ GEN6_SAMPLER_DW3_V_MIN_ROUND |
+ GEN6_SAMPLER_DW3_R_MIN_ROUND);
+ }
+ if (mag_filter != GEN6_MAPFILTER_NEAREST) {
+ dw3 |= (GEN6_SAMPLER_DW3_U_MAG_ROUND |
+ GEN6_SAMPLER_DW3_V_MAG_ROUND |
+ GEN6_SAMPLER_DW3_R_MAG_ROUND);
+ }
+
+ if (!state->normalized_coords)
+ dw3 |= 1;
+
+ STATIC_ASSERT(Elements(sampler->payload) >= 15);
+
+ sampler->payload[0] = dw0;
+ sampler->payload[1] = dw1;
+ sampler->payload[2] = dw3;
+
+ sampler_init_border_color_gen6(dev,
+ &state->border_color, &sampler->payload[3], 12);
+ }
+}
diff --git a/src/gallium/drivers/ilo/ilo_state_gen7.c b/src/gallium/drivers/ilo/ilo_state_gen7.c
deleted file mode 100644
index f91a088b059..00000000000
--- a/src/gallium/drivers/ilo/ilo_state_gen7.c
+++ /dev/null
@@ -1,641 +0,0 @@
-/*
- * Mesa 3-D graphics library
- *
- * Copyright (C) 2013 LunarG, 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 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:
- * Chia-I Wu <[email protected]>
- */
-
-#include "genhw/genhw.h"
-#include "util/u_resource.h"
-
-#include "ilo_format.h"
-#include "ilo_resource.h"
-#include "ilo_shader.h"
-#include "ilo_state.h"
-#include "ilo_state_gen.h"
-
-void
-ilo_gpe_init_gs_cso_gen7(const struct ilo_dev_info *dev,
- const struct ilo_shader_state *gs,
- struct ilo_shader_cso *cso)
-{
- int start_grf, vue_read_len, sampler_count, max_threads;
- uint32_t dw2, dw4, dw5;
-
- ILO_DEV_ASSERT(dev, 7, 7.5);
-
- start_grf = ilo_shader_get_kernel_param(gs, ILO_KERNEL_URB_DATA_START_REG);
- vue_read_len = ilo_shader_get_kernel_param(gs, ILO_KERNEL_INPUT_COUNT);
- sampler_count = ilo_shader_get_kernel_param(gs, ILO_KERNEL_SAMPLER_COUNT);
-
- /* in pairs */
- vue_read_len = (vue_read_len + 1) / 2;
-
- switch (ilo_dev_gen(dev)) {
- case ILO_GEN(7.5):
- max_threads = (dev->gt >= 2) ? 256 : 70;
- break;
- case ILO_GEN(7):
- max_threads = (dev->gt == 2) ? 128 : 36;
- break;
- default:
- max_threads = 1;
- break;
- }
-
- dw2 = (true) ? 0 : GEN6_THREADDISP_FP_MODE_ALT;
- dw2 |= ((sampler_count + 3) / 4) << GEN6_THREADDISP_SAMPLER_COUNT__SHIFT;
-
- dw4 = vue_read_len << GEN7_GS_DW4_URB_READ_LEN__SHIFT |
- GEN7_GS_DW4_INCLUDE_VERTEX_HANDLES |
- 0 << GEN7_GS_DW4_URB_READ_OFFSET__SHIFT |
- start_grf << GEN7_GS_DW4_URB_GRF_START__SHIFT;
-
- dw5 = (max_threads - 1) << GEN7_GS_DW5_MAX_THREADS__SHIFT |
- GEN7_GS_DW5_STATISTICS |
- GEN7_GS_DW5_GS_ENABLE;
-
- STATIC_ASSERT(Elements(cso->payload) >= 3);
- cso->payload[0] = dw2;
- cso->payload[1] = dw4;
- cso->payload[2] = dw5;
-}
-
-void
-ilo_gpe_init_rasterizer_wm_gen7(const struct ilo_dev_info *dev,
- const struct pipe_rasterizer_state *state,
- struct ilo_rasterizer_wm *wm)
-{
- uint32_t dw1, dw2;
-
- ILO_DEV_ASSERT(dev, 7, 7.5);
-
- dw1 = GEN7_WM_DW1_ZW_INTERP_PIXEL |
- GEN7_WM_DW1_AA_LINE_WIDTH_2_0 |
- GEN7_WM_DW1_MSRASTMODE_OFF_PIXEL;
-
- /* same value as in 3DSTATE_SF */
- if (state->line_smooth)
- dw1 |= GEN7_WM_DW1_AA_LINE_CAP_1_0;
-
- if (state->poly_stipple_enable)
- dw1 |= GEN7_WM_DW1_POLY_STIPPLE_ENABLE;
- if (state->line_stipple_enable)
- dw1 |= GEN7_WM_DW1_LINE_STIPPLE_ENABLE;
-
- if (state->bottom_edge_rule)
- dw1 |= GEN7_WM_DW1_POINT_RASTRULE_UPPER_RIGHT;
-
- dw2 = GEN7_WM_DW2_MSDISPMODE_PERSAMPLE;
-
- /*
- * assertion that makes sure
- *
- * dw1 |= wm->dw_msaa_rast;
- * dw2 |= wm->dw_msaa_disp;
- *
- * is valid
- */
- STATIC_ASSERT(GEN7_WM_DW1_MSRASTMODE_OFF_PIXEL == 0 &&
- GEN7_WM_DW2_MSDISPMODE_PERSAMPLE == 0);
-
- wm->dw_msaa_rast =
- (state->multisample) ? GEN7_WM_DW1_MSRASTMODE_ON_PATTERN : 0;
- wm->dw_msaa_disp = GEN7_WM_DW2_MSDISPMODE_PERPIXEL;
-
- STATIC_ASSERT(Elements(wm->payload) >= 2);
- wm->payload[0] = dw1;
- wm->payload[1] = dw2;
-}
-
-void
-ilo_gpe_init_fs_cso_gen7(const struct ilo_dev_info *dev,
- const struct ilo_shader_state *fs,
- struct ilo_shader_cso *cso)
-{
- int start_grf, sampler_count, max_threads;
- uint32_t dw2, dw4, dw5;
- uint32_t wm_interps, wm_dw1;
-
- ILO_DEV_ASSERT(dev, 7, 7.5);
-
- start_grf = ilo_shader_get_kernel_param(fs, ILO_KERNEL_URB_DATA_START_REG);
- sampler_count = ilo_shader_get_kernel_param(fs, ILO_KERNEL_SAMPLER_COUNT);
-
- dw2 = (true) ? 0 : GEN6_THREADDISP_FP_MODE_ALT;
- dw2 |= ((sampler_count + 3) / 4) << GEN6_THREADDISP_SAMPLER_COUNT__SHIFT;
-
- dw4 = GEN7_PS_DW4_POSOFFSET_NONE;
-
- /* see brwCreateContext() */
- switch (ilo_dev_gen(dev)) {
- case ILO_GEN(7.5):
- max_threads = (dev->gt == 3) ? 408 : (dev->gt == 2) ? 204 : 102;
- dw4 |= (max_threads - 1) << GEN75_PS_DW4_MAX_THREADS__SHIFT;
- dw4 |= 1 << GEN75_PS_DW4_SAMPLE_MASK__SHIFT;
- break;
- case ILO_GEN(7):
- default:
- max_threads = (dev->gt == 2) ? 172 : 48;
- dw4 |= (max_threads - 1) << GEN7_PS_DW4_MAX_THREADS__SHIFT;
- break;
- }
-
- if (ilo_shader_get_kernel_param(fs, ILO_KERNEL_PCB_CBUF0_SIZE))
- dw4 |= GEN7_PS_DW4_PUSH_CONSTANT_ENABLE;
-
- if (ilo_shader_get_kernel_param(fs, ILO_KERNEL_INPUT_COUNT))
- dw4 |= GEN7_PS_DW4_ATTR_ENABLE;
-
- assert(!ilo_shader_get_kernel_param(fs, ILO_KERNEL_FS_DISPATCH_16_OFFSET));
- dw4 |= GEN7_PS_DW4_8_PIXEL_DISPATCH;
-
- dw5 = start_grf << GEN7_PS_DW5_URB_GRF_START0__SHIFT |
- 0 << GEN7_PS_DW5_URB_GRF_START1__SHIFT |
- 0 << GEN7_PS_DW5_URB_GRF_START2__SHIFT;
-
- /* FS affects 3DSTATE_WM too */
- wm_dw1 = 0;
-
- /*
- * TODO set this bit only when
- *
- * a) fs writes colors and color is not masked, or
- * b) fs writes depth, or
- * c) fs or cc kills
- */
- wm_dw1 |= GEN7_WM_DW1_PS_ENABLE;
-
- /*
- * From the Ivy Bridge PRM, volume 2 part 1, page 278:
- *
- * "This bit (Pixel Shader Kill Pixel), if ENABLED, indicates that
- * the PS kernel or color calculator has the ability to kill
- * (discard) pixels or samples, other than due to depth or stencil
- * testing. This bit is required to be ENABLED in the following
- * situations:
- *
- * - The API pixel shader program contains "killpix" or "discard"
- * instructions, or other code in the pixel shader kernel that
- * can cause the final pixel mask to differ from the pixel mask
- * received on dispatch.
- *
- * - A sampler with chroma key enabled with kill pixel mode is used
- * by the pixel shader.
- *
- * - Any render target has Alpha Test Enable or AlphaToCoverage
- * Enable enabled.
- *
- * - The pixel shader kernel generates and outputs oMask.
- *
- * Note: As ClipDistance clipping is fully supported in hardware
- * and therefore not via PS instructions, there should be no need
- * to ENABLE this bit due to ClipDistance clipping."
- */
- if (ilo_shader_get_kernel_param(fs, ILO_KERNEL_FS_USE_KILL))
- wm_dw1 |= GEN7_WM_DW1_PS_KILL;
-
- if (ilo_shader_get_kernel_param(fs, ILO_KERNEL_FS_OUTPUT_Z))
- wm_dw1 |= GEN7_WM_DW1_PSCDEPTH_ON;
-
- if (ilo_shader_get_kernel_param(fs, ILO_KERNEL_FS_INPUT_Z))
- wm_dw1 |= GEN7_WM_DW1_PS_USE_DEPTH;
-
- if (ilo_shader_get_kernel_param(fs, ILO_KERNEL_FS_INPUT_W))
- wm_dw1 |= GEN7_WM_DW1_PS_USE_W;
-
- wm_interps = ilo_shader_get_kernel_param(fs,
- ILO_KERNEL_FS_BARYCENTRIC_INTERPOLATIONS);
-
- wm_dw1 |= wm_interps << GEN7_WM_DW1_BARYCENTRIC_INTERP__SHIFT;
-
- STATIC_ASSERT(Elements(cso->payload) >= 4);
- cso->payload[0] = dw2;
- cso->payload[1] = dw4;
- cso->payload[2] = dw5;
- cso->payload[3] = wm_dw1;
-}
-
-void
-ilo_gpe_init_view_surface_null_gen7(const struct ilo_dev_info *dev,
- unsigned width, unsigned height,
- unsigned depth, unsigned level,
- struct ilo_view_surface *surf)
-{
- uint32_t *dw;
-
- ILO_DEV_ASSERT(dev, 7, 7.5);
-
- assert(width >= 1 && height >= 1 && depth >= 1);
-
- /*
- * From the Ivy Bridge PRM, volume 4 part 1, page 62:
- *
- * "A null surface is used in instances where an actual surface is not
- * bound. When a write message is generated to a null surface, no
- * actual surface is written to. When a read message (including any
- * sampling engine message) is generated to a null surface, the result
- * is all zeros. Note that a null surface type is allowed to be used
- * with all messages, even if it is not specificially indicated as
- * supported. All of the remaining fields in surface state are ignored
- * for null surfaces, with the following exceptions:
- *
- * * Width, Height, Depth, LOD, and Render Target View Extent fields
- * must match the depth buffer's corresponding state for all render
- * target surfaces, including null.
- * * All sampling engine and data port messages support null surfaces
- * with the above behavior, even if not mentioned as specifically
- * supported, except for the following:
- * * Data Port Media Block Read/Write messages.
- * * The Surface Type of a surface used as a render target (accessed
- * via the Data Port's Render Target Write message) must be the same
- * as the Surface Type of all other render targets and of the depth
- * buffer (defined in 3DSTATE_DEPTH_BUFFER), unless either the depth
- * buffer or render targets are SURFTYPE_NULL."
- *
- * From the Ivy Bridge PRM, volume 4 part 1, page 65:
- *
- * "If Surface Type is SURFTYPE_NULL, this field (Tiled Surface) must be
- * true"
- */
-
- STATIC_ASSERT(Elements(surf->payload) >= 8);
- dw = surf->payload;
-
- dw[0] = GEN6_SURFTYPE_NULL << GEN7_SURFACE_DW0_TYPE__SHIFT |
- GEN6_FORMAT_B8G8R8A8_UNORM << GEN7_SURFACE_DW0_FORMAT__SHIFT |
- GEN6_TILING_X << 13;
-
- dw[1] = 0;
-
- dw[2] = GEN_SHIFT32(height - 1, GEN7_SURFACE_DW2_HEIGHT) |
- GEN_SHIFT32(width - 1, GEN7_SURFACE_DW2_WIDTH);
-
- dw[3] = GEN_SHIFT32(depth - 1, GEN7_SURFACE_DW3_DEPTH);
-
- dw[4] = 0;
- dw[5] = level;
-
- dw[6] = 0;
- dw[7] = 0;
-
- surf->bo = NULL;
-}
-
-void
-ilo_gpe_init_view_surface_for_buffer_gen7(const struct ilo_dev_info *dev,
- const struct ilo_buffer *buf,
- unsigned offset, unsigned size,
- unsigned struct_size,
- enum pipe_format elem_format,
- bool is_rt, bool render_cache_rw,
- struct ilo_view_surface *surf)
-{
- const bool typed = (elem_format != PIPE_FORMAT_NONE);
- const bool structured = (!typed && struct_size > 1);
- const int elem_size = (typed) ?
- util_format_get_blocksize(elem_format) : 1;
- int width, height, depth, pitch;
- int surface_type, surface_format, num_entries;
- uint32_t *dw;
-
- ILO_DEV_ASSERT(dev, 7, 7.5);
-
- surface_type = (structured) ? GEN7_SURFTYPE_STRBUF : GEN6_SURFTYPE_BUFFER;
-
- surface_format = (typed) ?
- ilo_translate_color_format(dev, elem_format) : GEN6_FORMAT_RAW;
-
- num_entries = size / struct_size;
- /* see if there is enough space to fit another element */
- if (size % struct_size >= elem_size && !structured)
- num_entries++;
-
- /*
- * From the Ivy Bridge PRM, volume 4 part 1, page 67:
- *
- * "For SURFTYPE_BUFFER render targets, this field (Surface Base
- * Address) specifies the base address of first element of the
- * surface. The surface is interpreted as a simple array of that
- * single element type. The address must be naturally-aligned to the
- * element size (e.g., a buffer containing R32G32B32A32_FLOAT elements
- * must be 16-byte aligned)
- *
- * For SURFTYPE_BUFFER non-rendertarget surfaces, this field specifies
- * the base address of the first element of the surface, computed in
- * software by adding the surface base address to the byte offset of
- * the element in the buffer."
- */
- if (is_rt)
- assert(offset % elem_size == 0);
-
- /*
- * From the Ivy Bridge PRM, volume 4 part 1, page 68:
- *
- * "For typed buffer and structured buffer surfaces, the number of
- * entries in the buffer ranges from 1 to 2^27. For raw buffer
- * surfaces, the number of entries in the buffer is the number of
- * bytes which can range from 1 to 2^30."
- */
- assert(num_entries >= 1 &&
- num_entries <= 1 << ((typed || structured) ? 27 : 30));
-
- /*
- * From the Ivy Bridge PRM, volume 4 part 1, page 69:
- *
- * "For SURFTYPE_BUFFER: The low two bits of this field (Width) must be
- * 11 if the Surface Format is RAW (the size of the buffer must be a
- * multiple of 4 bytes)."
- *
- * From the Ivy Bridge PRM, volume 4 part 1, page 70:
- *
- * "For surfaces of type SURFTYPE_BUFFER and SURFTYPE_STRBUF, this
- * field (Surface Pitch) indicates the size of the structure."
- *
- * "For linear surfaces with Surface Type of SURFTYPE_STRBUF, the pitch
- * must be a multiple of 4 bytes."
- */
- if (structured)
- assert(struct_size % 4 == 0);
- else if (!typed)
- assert(num_entries % 4 == 0);
-
- pitch = struct_size;
-
- pitch--;
- num_entries--;
- /* bits [6:0] */
- width = (num_entries & 0x0000007f);
- /* bits [20:7] */
- height = (num_entries & 0x001fff80) >> 7;
- /* bits [30:21] */
- depth = (num_entries & 0x7fe00000) >> 21;
- /* limit to [26:21] */
- if (typed || structured)
- depth &= 0x3f;
-
- STATIC_ASSERT(Elements(surf->payload) >= 8);
- dw = surf->payload;
-
- dw[0] = surface_type << GEN7_SURFACE_DW0_TYPE__SHIFT |
- surface_format << GEN7_SURFACE_DW0_FORMAT__SHIFT;
- if (render_cache_rw)
- dw[0] |= GEN7_SURFACE_DW0_RENDER_CACHE_RW;
-
- dw[1] = offset;
-
- dw[2] = GEN_SHIFT32(height, GEN7_SURFACE_DW2_HEIGHT) |
- GEN_SHIFT32(width, GEN7_SURFACE_DW2_WIDTH);
-
- dw[3] = GEN_SHIFT32(depth, GEN7_SURFACE_DW3_DEPTH) |
- pitch;
-
- dw[4] = 0;
- dw[5] = 0;
-
- dw[6] = 0;
- dw[7] = 0;
-
- if (ilo_dev_gen(dev) >= ILO_GEN(7.5)) {
- dw[7] |= GEN_SHIFT32(GEN75_SCS_RED, GEN75_SURFACE_DW7_SCS_R) |
- GEN_SHIFT32(GEN75_SCS_GREEN, GEN75_SURFACE_DW7_SCS_G) |
- GEN_SHIFT32(GEN75_SCS_BLUE, GEN75_SURFACE_DW7_SCS_B) |
- GEN_SHIFT32(GEN75_SCS_ALPHA, GEN75_SURFACE_DW7_SCS_A);
- }
-
- /* do not increment reference count */
- surf->bo = buf->bo;
-}
-
-void
-ilo_gpe_init_view_surface_for_texture_gen7(const struct ilo_dev_info *dev,
- const struct ilo_texture *tex,
- enum pipe_format format,
- unsigned first_level,
- unsigned num_levels,
- unsigned first_layer,
- unsigned num_layers,
- bool is_rt,
- struct ilo_view_surface *surf)
-{
- int surface_type, surface_format;
- int width, height, depth, pitch, lod;
- uint32_t *dw;
-
- ILO_DEV_ASSERT(dev, 7, 7.5);
-
- surface_type = ilo_gpe_gen6_translate_texture(tex->base.target);
- assert(surface_type != GEN6_SURFTYPE_BUFFER);
-
- if (format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT && tex->separate_s8)
- format = PIPE_FORMAT_Z32_FLOAT;
-
- if (is_rt)
- surface_format = ilo_translate_render_format(dev, format);
- else
- surface_format = ilo_translate_texture_format(dev, format);
- assert(surface_format >= 0);
-
- width = tex->layout.width0;
- height = tex->layout.height0;
- depth = (tex->base.target == PIPE_TEXTURE_3D) ?
- tex->base.depth0 : num_layers;
- pitch = tex->layout.bo_stride;
-
- if (surface_type == GEN6_SURFTYPE_CUBE) {
- /*
- * From the Ivy Bridge PRM, volume 4 part 1, page 70:
- *
- * "For SURFTYPE_CUBE:For Sampling Engine Surfaces, the range of
- * this field is [0,340], indicating the number of cube array
- * elements (equal to the number of underlying 2D array elements
- * divided by 6). For other surfaces, this field must be zero."
- *
- * When is_rt is true, we treat the texture as a 2D one to avoid the
- * restriction.
- */
- if (is_rt) {
- surface_type = GEN6_SURFTYPE_2D;
- }
- else {
- assert(num_layers % 6 == 0);
- depth = num_layers / 6;
- }
- }
-
- /* sanity check the size */
- assert(width >= 1 && height >= 1 && depth >= 1 && pitch >= 1);
- assert(first_layer < 2048 && num_layers <= 2048);
- switch (surface_type) {
- case GEN6_SURFTYPE_1D:
- assert(width <= 16384 && height == 1 && depth <= 2048);
- break;
- case GEN6_SURFTYPE_2D:
- assert(width <= 16384 && height <= 16384 && depth <= 2048);
- break;
- case GEN6_SURFTYPE_3D:
- assert(width <= 2048 && height <= 2048 && depth <= 2048);
- if (!is_rt)
- assert(first_layer == 0);
- break;
- case GEN6_SURFTYPE_CUBE:
- assert(width <= 16384 && height <= 16384 && depth <= 86);
- assert(width == height);
- if (is_rt)
- assert(first_layer == 0);
- break;
- default:
- assert(!"unexpected surface type");
- break;
- }
-
- if (is_rt) {
- assert(num_levels == 1);
- lod = first_level;
- }
- else {
- lod = num_levels - 1;
- }
-
- /*
- * From the Ivy Bridge PRM, volume 4 part 1, page 68:
- *
- * "The Base Address for linear render target surfaces and surfaces
- * accessed with the typed surface read/write data port messages must
- * be element-size aligned, for non-YUV surface formats, or a multiple
- * of 2 element-sizes for YUV surface formats. Other linear surfaces
- * have no alignment requirements (byte alignment is sufficient)."
- *
- * From the Ivy Bridge PRM, volume 4 part 1, page 70:
- *
- * "For linear render target surfaces and surfaces accessed with the
- * typed data port messages, the pitch must be a multiple of the
- * element size for non-YUV surface formats. Pitch must be a multiple
- * of 2 * element size for YUV surface formats. For linear surfaces
- * with Surface Type of SURFTYPE_STRBUF, the pitch must be a multiple
- * of 4 bytes.For other linear surfaces, the pitch can be any multiple
- * of bytes."
- *
- * From the Ivy Bridge PRM, volume 4 part 1, page 74:
- *
- * "For linear surfaces, this field (X Offset) must be zero."
- */
- if (tex->layout.tiling == INTEL_TILING_NONE) {
- if (is_rt) {
- const int elem_size = util_format_get_blocksize(format);
- assert(pitch % elem_size == 0);
- }
- }
-
- STATIC_ASSERT(Elements(surf->payload) >= 8);
- dw = surf->payload;
-
- dw[0] = surface_type << GEN7_SURFACE_DW0_TYPE__SHIFT |
- surface_format << GEN7_SURFACE_DW0_FORMAT__SHIFT |
- ilo_gpe_gen6_translate_winsys_tiling(tex->layout.tiling) << 13;
-
- /*
- * From the Ivy Bridge PRM, volume 4 part 1, page 63:
- *
- * "If this field (Surface Array) is enabled, the Surface Type must be
- * SURFTYPE_1D, SURFTYPE_2D, or SURFTYPE_CUBE. If this field is
- * disabled and Surface Type is SURFTYPE_1D, SURFTYPE_2D, or
- * SURFTYPE_CUBE, the Depth field must be set to zero."
- *
- * For non-3D sampler surfaces, resinfo (the sampler message) always
- * returns zero for the number of layers when this field is not set.
- */
- if (surface_type != GEN6_SURFTYPE_3D) {
- if (util_resource_is_array_texture(&tex->base))
- dw[0] |= GEN7_SURFACE_DW0_IS_ARRAY;
- else
- assert(depth == 1);
- }
-
- assert(tex->layout.align_i == 4 || tex->layout.align_i == 8);
- assert(tex->layout.align_j == 2 || tex->layout.align_j == 4);
-
- if (tex->layout.align_j == 4)
- dw[0] |= GEN7_SURFACE_DW0_VALIGN_4;
-
- if (tex->layout.align_i == 8)
- dw[0] |= GEN7_SURFACE_DW0_HALIGN_8;
-
- if (tex->layout.walk == ILO_LAYOUT_WALK_LOD)
- dw[0] |= GEN7_SURFACE_DW0_ARYSPC_LOD0;
- else
- dw[0] |= GEN7_SURFACE_DW0_ARYSPC_FULL;
-
- if (is_rt)
- dw[0] |= GEN7_SURFACE_DW0_RENDER_CACHE_RW;
-
- if (surface_type == GEN6_SURFTYPE_CUBE && !is_rt)
- dw[0] |= GEN7_SURFACE_DW0_CUBE_FACE_ENABLES__MASK;
-
- dw[1] = 0;
-
- dw[2] = GEN_SHIFT32(height - 1, GEN7_SURFACE_DW2_HEIGHT) |
- GEN_SHIFT32(width - 1, GEN7_SURFACE_DW2_WIDTH);
-
- dw[3] = GEN_SHIFT32(depth - 1, GEN7_SURFACE_DW3_DEPTH) |
- (pitch - 1);
-
- dw[4] = first_layer << 18 |
- (num_layers - 1) << 7;
-
- /*
- * MSFMT_MSS means the samples are not interleaved and MSFMT_DEPTH_STENCIL
- * means the samples are interleaved. The layouts are the same when the
- * number of samples is 1.
- */
- if (tex->layout.interleaved_samples && tex->base.nr_samples > 1) {
- assert(!is_rt);
- dw[4] |= GEN7_SURFACE_DW4_MSFMT_DEPTH_STENCIL;
- }
- else {
- dw[4] |= GEN7_SURFACE_DW4_MSFMT_MSS;
- }
-
- if (tex->base.nr_samples > 4)
- dw[4] |= GEN7_SURFACE_DW4_MULTISAMPLECOUNT_8;
- else if (tex->base.nr_samples > 2)
- dw[4] |= GEN7_SURFACE_DW4_MULTISAMPLECOUNT_4;
- else
- dw[4] |= GEN7_SURFACE_DW4_MULTISAMPLECOUNT_1;
-
- dw[5] = GEN_SHIFT32(first_level, GEN7_SURFACE_DW5_MIN_LOD) |
- lod;
-
- dw[6] = 0;
- dw[7] = 0;
-
- if (ilo_dev_gen(dev) >= ILO_GEN(7.5)) {
- dw[7] |= GEN_SHIFT32(GEN75_SCS_RED, GEN75_SURFACE_DW7_SCS_R) |
- GEN_SHIFT32(GEN75_SCS_GREEN, GEN75_SURFACE_DW7_SCS_G) |
- GEN_SHIFT32(GEN75_SCS_BLUE, GEN75_SURFACE_DW7_SCS_B) |
- GEN_SHIFT32(GEN75_SCS_ALPHA, GEN75_SURFACE_DW7_SCS_A);
- }
-
- /* do not increment reference count */
- surf->bo = tex->bo;
-}