/*
Copyright (C) Intel Corp. 2006. All Rights Reserved.
- Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
+ Intel funded Tungsten Graphics to
develop this 3D driver.
Permission is hereby granted, free of charge, to any person obtaining
**********************************************************************/
/*
* Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
+ * Keith Whitwell <keithw@vmware.com>
*/
/** @file brw_reg.h
#define BRW_REG_H
#include <stdbool.h>
+#include "main/compiler.h"
+#include "main/macros.h"
#include "program/prog_instruction.h"
#include "brw_defines.h"
extern "C" {
#endif
+struct brw_device_info;
+
/** Number of general purpose registers (VS, WM, etc) */
#define BRW_MAX_GRF 128
#define GEN7_MRF_HACK_START 112
/** Number of message register file registers */
-#define BRW_MAX_MRF 16
+#define BRW_MAX_MRF(gen) (gen == 6 ? 24 : 16)
#define BRW_SWIZZLE4(a,b,c,d) (((a)<<0) | ((b)<<2) | ((c)<<4) | ((d)<<6))
#define BRW_GET_SWZ(swz, idx) (((swz) >> ((idx)*2)) & 0x3)
#define BRW_SWIZZLE_ZZZZ BRW_SWIZZLE4(2,2,2,2)
#define BRW_SWIZZLE_WWWW BRW_SWIZZLE4(3,3,3,3)
#define BRW_SWIZZLE_XYXY BRW_SWIZZLE4(0,1,0,1)
+#define BRW_SWIZZLE_XZXZ BRW_SWIZZLE4(0,2,0,2)
+#define BRW_SWIZZLE_YZXW BRW_SWIZZLE4(1,2,0,3)
+#define BRW_SWIZZLE_YWYW BRW_SWIZZLE4(1,3,1,3)
+#define BRW_SWIZZLE_ZXYW BRW_SWIZZLE4(2,0,1,3)
#define BRW_SWIZZLE_ZWZW BRW_SWIZZLE4(2,3,2,3)
+#define BRW_SWIZZLE_WZYX BRW_SWIZZLE4(3,2,1,0)
static inline bool
-brw_is_single_value_swizzle(int swiz)
+brw_is_single_value_swizzle(unsigned swiz)
{
return (swiz == BRW_SWIZZLE_XXXX ||
swiz == BRW_SWIZZLE_YYYY ||
swiz == BRW_SWIZZLE_WWWW);
}
-enum brw_reg_type {
+/**
+ * Compute the swizzle obtained from the application of \p swz0 on the result
+ * of \p swz1. The argument ordering is expected to match function
+ * composition.
+ */
+static inline unsigned
+brw_compose_swizzle(unsigned swz0, unsigned swz1)
+{
+ return BRW_SWIZZLE4(
+ BRW_GET_SWZ(swz1, BRW_GET_SWZ(swz0, 0)),
+ BRW_GET_SWZ(swz1, BRW_GET_SWZ(swz0, 1)),
+ BRW_GET_SWZ(swz1, BRW_GET_SWZ(swz0, 2)),
+ BRW_GET_SWZ(swz1, BRW_GET_SWZ(swz0, 3)));
+}
+
+/**
+ * Return the result of applying swizzle \p swz to shuffle the bits of \p mask
+ * (AKA image).
+ */
+static inline unsigned
+brw_apply_swizzle_to_mask(unsigned swz, unsigned mask)
+{
+ unsigned result = 0;
+
+ for (unsigned i = 0; i < 4; i++) {
+ if (mask & (1 << BRW_GET_SWZ(swz, i)))
+ result |= 1 << i;
+ }
+
+ return result;
+}
+
+/**
+ * Return the result of applying the inverse of swizzle \p swz to shuffle the
+ * bits of \p mask (AKA preimage). Useful to find out which components are
+ * read from a swizzled source given the instruction writemask.
+ */
+static inline unsigned
+brw_apply_inv_swizzle_to_mask(unsigned swz, unsigned mask)
+{
+ unsigned result = 0;
+
+ for (unsigned i = 0; i < 4; i++) {
+ if (mask & (1 << i))
+ result |= 1 << BRW_GET_SWZ(swz, i);
+ }
+
+ return result;
+}
+
+/**
+ * Construct an identity swizzle for the set of enabled channels given by \p
+ * mask. The result will only reference channels enabled in the provided \p
+ * mask, assuming that \p mask is non-zero. The constructed swizzle will
+ * satisfy the property that for any instruction OP and any mask:
+ *
+ * brw_OP(p, brw_writemask(dst, mask),
+ * brw_swizzle(src, brw_swizzle_for_mask(mask)));
+ *
+ * will be equivalent to the same instruction without swizzle:
+ *
+ * brw_OP(p, brw_writemask(dst, mask), src);
+ */
+static inline unsigned
+brw_swizzle_for_mask(unsigned mask)
+{
+ unsigned last = (mask ? ffs(mask) - 1 : 0);
+ unsigned swz[4];
+
+ for (unsigned i = 0; i < 4; i++)
+ last = swz[i] = (mask & (1 << i) ? i : last);
+
+ return BRW_SWIZZLE4(swz[0], swz[1], swz[2], swz[3]);
+}
+
+/**
+ * Construct an identity swizzle for the first \p n components of a vector.
+ * When only a subset of channels of a vec4 are used we don't want to
+ * reference the other channels, as that will tell optimization passes that
+ * those other channels are used.
+ */
+static inline unsigned
+brw_swizzle_for_size(unsigned n)
+{
+ return brw_swizzle_for_mask((1 << n) - 1);
+}
+
+/**
+ * Converse of brw_swizzle_for_mask(). Returns the mask of components
+ * accessed by the specified swizzle \p swz.
+ */
+static inline unsigned
+brw_mask_for_swizzle(unsigned swz)
+{
+ return brw_apply_inv_swizzle_to_mask(swz, ~0);
+}
+
+enum PACKED brw_reg_type {
BRW_REGISTER_TYPE_UD = 0,
BRW_REGISTER_TYPE_D,
BRW_REGISTER_TYPE_UW,
/** @} */
/** Immediates only: @{ */
- BRW_REGISTER_TYPE_UV,
+ BRW_REGISTER_TYPE_UV, /* Gen6+ */
BRW_REGISTER_TYPE_V,
BRW_REGISTER_TYPE_VF,
/** @} */
BRW_REGISTER_TYPE_Q,
};
-unsigned brw_reg_type_to_hw_type(const struct brw_context *brw,
- enum brw_reg_type type, unsigned file);
+unsigned brw_reg_type_to_hw_type(const struct brw_device_info *devinfo,
+ enum brw_reg_type type, enum brw_reg_file file);
+const char *brw_reg_type_letters(unsigned brw_reg_type);
+uint32_t brw_swizzle_immediate(enum brw_reg_type type, uint32_t x, unsigned swz);
#define REG_SIZE (8*4)
* or "structure of array" form:
*/
struct brw_reg {
- unsigned type:4;
- unsigned file:2;
- unsigned nr:8;
- unsigned subnr:5; /* :1 in align16 */
- unsigned negate:1; /* source only */
- unsigned abs:1; /* source only */
- unsigned vstride:4; /* source only */
- unsigned width:3; /* src only, align1 only */
- unsigned hstride:2; /* align1 only */
- unsigned address_mode:1; /* relative addressing, hopefully! */
- unsigned pad0:1;
+ union {
+ struct {
+ enum brw_reg_type type:4;
+ enum brw_reg_file file:3; /* :2 hardware format */
+ unsigned negate:1; /* source only */
+ unsigned abs:1; /* source only */
+ unsigned address_mode:1; /* relative addressing, hopefully! */
+ unsigned pad0:1;
+ unsigned subnr:5; /* :1 in align16 */
+ unsigned nr:16;
+ };
+ uint32_t bits;
+ };
union {
struct {
unsigned swizzle:8; /* src only, align16 only */
unsigned writemask:4; /* dest only, align16 only */
int indirect_offset:10; /* relative addressing offset */
- unsigned pad1:10; /* two dwords total */
- } bits;
+ unsigned vstride:4; /* source only */
+ unsigned width:3; /* src only, align1 only */
+ unsigned hstride:2; /* align1 only */
+ unsigned pad1:1;
+ };
+ double df;
float f;
int d;
unsigned ud;
- } dw1;
+ };
};
+static inline bool
+brw_regs_equal(const struct brw_reg *a, const struct brw_reg *b)
+{
+ const bool df = a->type == BRW_REGISTER_TYPE_DF && a->file == IMM;
+ return a->bits == b->bits && (df ? a->df == b->df : a->ud == b->ud);
+}
struct brw_indirect {
unsigned addr_subnr:4;
};
-static inline int
+static inline unsigned
type_sz(unsigned type)
{
switch(type) {
+ case BRW_REGISTER_TYPE_UQ:
+ case BRW_REGISTER_TYPE_Q:
+ case BRW_REGISTER_TYPE_DF:
+ return 8;
case BRW_REGISTER_TYPE_UD:
case BRW_REGISTER_TYPE_D:
case BRW_REGISTER_TYPE_F:
* \param file one of the BRW_x_REGISTER_FILE values
* \param nr register number/index
* \param subnr register sub number
+ * \param negate register negate modifier
+ * \param abs register abs modifier
* \param type one of BRW_REGISTER_TYPE_x
* \param vstride one of BRW_VERTICAL_STRIDE_x
* \param width one of BRW_WIDTH_x
* \param writemask WRITEMASK_X/Y/Z/W bitfield
*/
static inline struct brw_reg
-brw_reg(unsigned file,
+brw_reg(enum brw_reg_file file,
unsigned nr,
unsigned subnr,
- unsigned type,
+ unsigned negate,
+ unsigned abs,
+ enum brw_reg_type type,
unsigned vstride,
unsigned width,
unsigned hstride,
struct brw_reg reg;
if (file == BRW_GENERAL_REGISTER_FILE)
assert(nr < BRW_MAX_GRF);
- else if (file == BRW_MESSAGE_REGISTER_FILE)
- assert((nr & ~(1 << 7)) < BRW_MAX_MRF);
else if (file == BRW_ARCHITECTURE_REGISTER_FILE)
assert(nr <= BRW_ARF_TIMESTAMP);
+ /* Asserting on the MRF register number requires to know the hardware gen
+ * (gen6 has 24 MRF registers), which we don't know here, so we assert
+ * for that in the generators and in brw_eu_emit.c
+ */
reg.type = type;
reg.file = file;
- reg.nr = nr;
- reg.subnr = subnr * type_sz(type);
- reg.negate = 0;
- reg.abs = 0;
- reg.vstride = vstride;
- reg.width = width;
- reg.hstride = hstride;
+ reg.negate = negate;
+ reg.abs = abs;
reg.address_mode = BRW_ADDRESS_DIRECT;
reg.pad0 = 0;
+ reg.subnr = subnr * type_sz(type);
+ reg.nr = nr;
/* Could do better: If the reg is r5.3<0;1,0>, we probably want to
* set swizzle and writemask to W, as the lower bits of subnr will
* keep track of as you'd want it adjusted by suboffset(), etc.
* Perhaps fix up when converting to align16?
*/
- reg.dw1.bits.swizzle = swizzle;
- reg.dw1.bits.writemask = writemask;
- reg.dw1.bits.indirect_offset = 0;
- reg.dw1.bits.pad1 = 0;
+ reg.swizzle = swizzle;
+ reg.writemask = writemask;
+ reg.indirect_offset = 0;
+ reg.vstride = vstride;
+ reg.width = width;
+ reg.hstride = hstride;
+ reg.pad1 = 0;
return reg;
}
/** Construct float[16] register */
static inline struct brw_reg
-brw_vec16_reg(unsigned file, unsigned nr, unsigned subnr)
+brw_vec16_reg(enum brw_reg_file file, unsigned nr, unsigned subnr)
{
return brw_reg(file,
nr,
subnr,
+ 0,
+ 0,
BRW_REGISTER_TYPE_F,
BRW_VERTICAL_STRIDE_16,
BRW_WIDTH_16,
/** Construct float[8] register */
static inline struct brw_reg
-brw_vec8_reg(unsigned file, unsigned nr, unsigned subnr)
+brw_vec8_reg(enum brw_reg_file file, unsigned nr, unsigned subnr)
{
return brw_reg(file,
nr,
subnr,
+ 0,
+ 0,
BRW_REGISTER_TYPE_F,
BRW_VERTICAL_STRIDE_8,
BRW_WIDTH_8,
/** Construct float[4] register */
static inline struct brw_reg
-brw_vec4_reg(unsigned file, unsigned nr, unsigned subnr)
+brw_vec4_reg(enum brw_reg_file file, unsigned nr, unsigned subnr)
{
return brw_reg(file,
nr,
subnr,
+ 0,
+ 0,
BRW_REGISTER_TYPE_F,
BRW_VERTICAL_STRIDE_4,
BRW_WIDTH_4,
/** Construct float[2] register */
static inline struct brw_reg
-brw_vec2_reg(unsigned file, unsigned nr, unsigned subnr)
+brw_vec2_reg(enum brw_reg_file file, unsigned nr, unsigned subnr)
{
return brw_reg(file,
nr,
subnr,
+ 0,
+ 0,
BRW_REGISTER_TYPE_F,
BRW_VERTICAL_STRIDE_2,
BRW_WIDTH_2,
/** Construct float[1] register */
static inline struct brw_reg
-brw_vec1_reg(unsigned file, unsigned nr, unsigned subnr)
+brw_vec1_reg(enum brw_reg_file file, unsigned nr, unsigned subnr)
{
return brw_reg(file,
nr,
subnr,
+ 0,
+ 0,
BRW_REGISTER_TYPE_F,
BRW_VERTICAL_STRIDE_0,
BRW_WIDTH_1,
}
static inline struct brw_reg
-brw_vecn_reg(unsigned width, unsigned file, unsigned nr, unsigned subnr)
+brw_vecn_reg(unsigned width, enum brw_reg_file file,
+ unsigned nr, unsigned subnr)
{
switch (width) {
case 1:
case 16:
return brw_vec16_reg(file, nr, subnr);
default:
- assert(!"Invalid register width");
+ unreachable("Invalid register width");
}
- unreachable();
}
static inline struct brw_reg
-retype(struct brw_reg reg, unsigned type)
+retype(struct brw_reg reg, enum brw_reg_type type)
{
reg.type = type;
return reg;
}
+static inline struct brw_reg
+firsthalf(struct brw_reg reg)
+{
+ return reg;
+}
+
static inline struct brw_reg
sechalf(struct brw_reg reg)
{
/** Construct unsigned word[16] register */
static inline struct brw_reg
-brw_uw16_reg(unsigned file, unsigned nr, unsigned subnr)
+brw_uw16_reg(enum brw_reg_file file, unsigned nr, unsigned subnr)
{
return suboffset(retype(brw_vec16_reg(file, nr, 0), BRW_REGISTER_TYPE_UW), subnr);
}
/** Construct unsigned word[8] register */
static inline struct brw_reg
-brw_uw8_reg(unsigned file, unsigned nr, unsigned subnr)
+brw_uw8_reg(enum brw_reg_file file, unsigned nr, unsigned subnr)
{
return suboffset(retype(brw_vec8_reg(file, nr, 0), BRW_REGISTER_TYPE_UW), subnr);
}
/** Construct unsigned word[1] register */
static inline struct brw_reg
-brw_uw1_reg(unsigned file, unsigned nr, unsigned subnr)
+brw_uw1_reg(enum brw_reg_file file, unsigned nr, unsigned subnr)
{
return suboffset(retype(brw_vec1_reg(file, nr, 0), BRW_REGISTER_TYPE_UW), subnr);
}
static inline struct brw_reg
-brw_imm_reg(unsigned type)
+brw_imm_reg(enum brw_reg_type type)
{
return brw_reg(BRW_IMMEDIATE_VALUE,
+ 0,
+ 0,
0,
0,
type,
}
/** Construct float immediate register */
+static inline struct brw_reg
+brw_imm_df(double df)
+{
+ struct brw_reg imm = brw_imm_reg(BRW_REGISTER_TYPE_DF);
+ imm.df = df;
+ return imm;
+}
+
static inline struct brw_reg
brw_imm_f(float f)
{
struct brw_reg imm = brw_imm_reg(BRW_REGISTER_TYPE_F);
- imm.dw1.f = f;
+ imm.f = f;
return imm;
}
brw_imm_d(int d)
{
struct brw_reg imm = brw_imm_reg(BRW_REGISTER_TYPE_D);
- imm.dw1.d = d;
+ imm.d = d;
return imm;
}
brw_imm_ud(unsigned ud)
{
struct brw_reg imm = brw_imm_reg(BRW_REGISTER_TYPE_UD);
- imm.dw1.ud = ud;
+ imm.ud = ud;
return imm;
}
brw_imm_uw(uint16_t uw)
{
struct brw_reg imm = brw_imm_reg(BRW_REGISTER_TYPE_UW);
- imm.dw1.ud = uw | (uw << 16);
+ imm.ud = uw | (uw << 16);
return imm;
}
brw_imm_w(int16_t w)
{
struct brw_reg imm = brw_imm_reg(BRW_REGISTER_TYPE_W);
- imm.dw1.d = w | (w << 16);
+ imm.d = w | (w << 16);
return imm;
}
brw_imm_v(unsigned v)
{
struct brw_reg imm = brw_imm_reg(BRW_REGISTER_TYPE_V);
- imm.vstride = BRW_VERTICAL_STRIDE_0;
- imm.width = BRW_WIDTH_8;
- imm.hstride = BRW_HORIZONTAL_STRIDE_1;
- imm.dw1.ud = v;
+ imm.ud = v;
+ return imm;
+}
+
+/** Construct vector of eight unsigned half-byte values */
+static inline struct brw_reg
+brw_imm_uv(unsigned uv)
+{
+ struct brw_reg imm = brw_imm_reg(BRW_REGISTER_TYPE_UV);
+ imm.ud = uv;
return imm;
}
brw_imm_vf(unsigned v)
{
struct brw_reg imm = brw_imm_reg(BRW_REGISTER_TYPE_VF);
- imm.vstride = BRW_VERTICAL_STRIDE_0;
- imm.width = BRW_WIDTH_4;
- imm.hstride = BRW_HORIZONTAL_STRIDE_1;
- imm.dw1.ud = v;
+ imm.ud = v;
return imm;
}
-#define VF_ZERO 0x0
-#define VF_ONE 0x30
-#define VF_NEG (1<<7)
-
static inline struct brw_reg
brw_imm_vf4(unsigned v0, unsigned v1, unsigned v2, unsigned v3)
{
imm.vstride = BRW_VERTICAL_STRIDE_0;
imm.width = BRW_WIDTH_4;
imm.hstride = BRW_HORIZONTAL_STRIDE_1;
- imm.dw1.ud = ((v0 << 0) | (v1 << 8) | (v2 << 16) | (v3 << 24));
+ imm.ud = ((v0 << 0) | (v1 << 8) | (v2 << 16) | (v3 << 24));
return imm;
}
return brw_vec8_reg(BRW_GENERAL_REGISTER_FILE, nr, subnr);
}
+/** Construct float[16] general-purpose register */
+static inline struct brw_reg
+brw_vec16_grf(unsigned nr, unsigned subnr)
+{
+ return brw_vec16_reg(BRW_GENERAL_REGISTER_FILE, nr, subnr);
+}
+
static inline struct brw_reg
brw_uw8_grf(unsigned nr, unsigned subnr)
return brw_vec8_reg(BRW_ARCHITECTURE_REGISTER_FILE, BRW_ARF_NULL, 0);
}
+static inline struct brw_reg
+brw_null_vec(unsigned width)
+{
+ return brw_vecn_reg(width, BRW_ARCHITECTURE_REGISTER_FILE, BRW_ARF_NULL, 0);
+}
+
static inline struct brw_reg
brw_address_reg(unsigned subnr)
{
return brw_reg(BRW_ARCHITECTURE_REGISTER_FILE,
BRW_ARF_IP,
0,
+ 0,
+ 0,
BRW_REGISTER_TYPE_UD,
BRW_VERTICAL_STRIDE_4, /* ? */
BRW_WIDTH_1,
}
static inline struct brw_reg
-brw_acc_reg(void)
+brw_notification_reg(void)
{
- return brw_vec8_reg(BRW_ARCHITECTURE_REGISTER_FILE, BRW_ARF_ACCUMULATOR, 0);
-}
-
-static inline struct brw_reg
-brw_notification_1_reg(void)
-{
-
return brw_reg(BRW_ARCHITECTURE_REGISTER_FILE,
BRW_ARF_NOTIFICATION_COUNT,
- 1,
+ 0,
+ 0,
+ 0,
BRW_REGISTER_TYPE_UD,
BRW_VERTICAL_STRIDE_0,
BRW_WIDTH_1,
WRITEMASK_X);
}
+static inline struct brw_reg
+brw_sr0_reg(void)
+{
+ return brw_reg(BRW_ARCHITECTURE_REGISTER_FILE,
+ BRW_ARF_STATE,
+ 0,
+ 0,
+ 0,
+ BRW_REGISTER_TYPE_UD,
+ BRW_VERTICAL_STRIDE_8,
+ BRW_WIDTH_8,
+ BRW_HORIZONTAL_STRIDE_1,
+ BRW_SWIZZLE_XYZW,
+ WRITEMASK_XYZW);
+}
+
+static inline struct brw_reg
+brw_acc_reg(unsigned width)
+{
+ return brw_vecn_reg(width, BRW_ARCHITECTURE_REGISTER_FILE,
+ BRW_ARF_ACCUMULATOR, 0);
+}
static inline struct brw_reg
brw_flag_reg(int reg, int subreg)
BRW_ARF_FLAG + reg, subreg);
}
-
+/**
+ * Return the mask register present in Gen4-5, or the related register present
+ * in Gen7.5 and later hardware referred to as "channel enable" register in
+ * the documentation.
+ */
static inline struct brw_reg
brw_mask_reg(unsigned subnr)
{
static inline struct brw_reg
brw_message_reg(unsigned nr)
{
- assert((nr & ~(1 << 7)) < BRW_MAX_MRF);
return brw_vec8_reg(BRW_MESSAGE_REGISTER_FILE, nr, 0);
}
return reg;
}
+/**
+ * Multiply the vertical and horizontal stride of a register by the given
+ * factor \a s.
+ */
+static inline struct brw_reg
+spread(struct brw_reg reg, unsigned s)
+{
+ if (s) {
+ assert(_mesa_is_pow_two(s));
+
+ if (reg.hstride)
+ reg.hstride += cvt(s) - 1;
+
+ if (reg.vstride)
+ reg.vstride += cvt(s) - 1;
+
+ return reg;
+ } else {
+ return stride(reg, 0, 1, 0);
+ }
+}
static inline struct brw_reg
vec16(struct brw_reg reg)
return vec1(suboffset(retype(reg, BRW_REGISTER_TYPE_D), elt));
}
-
static inline struct brw_reg
-brw_swizzle(struct brw_reg reg, unsigned x, unsigned y, unsigned z, unsigned w)
+brw_swizzle(struct brw_reg reg, unsigned swz)
{
- assert(reg.file != BRW_IMMEDIATE_VALUE);
+ if (reg.file == BRW_IMMEDIATE_VALUE)
+ reg.ud = brw_swizzle_immediate(reg.type, reg.ud, swz);
+ else
+ reg.swizzle = brw_compose_swizzle(swz, reg.swizzle);
- reg.dw1.bits.swizzle = BRW_SWIZZLE4(BRW_GET_SWZ(reg.dw1.bits.swizzle, x),
- BRW_GET_SWZ(reg.dw1.bits.swizzle, y),
- BRW_GET_SWZ(reg.dw1.bits.swizzle, z),
- BRW_GET_SWZ(reg.dw1.bits.swizzle, w));
return reg;
}
-
-static inline struct brw_reg
-brw_swizzle1(struct brw_reg reg, unsigned x)
-{
- return brw_swizzle(reg, x, x, x, x);
-}
-
static inline struct brw_reg
brw_writemask(struct brw_reg reg, unsigned mask)
{
assert(reg.file != BRW_IMMEDIATE_VALUE);
- reg.dw1.bits.writemask &= mask;
+ reg.writemask &= mask;
return reg;
}
brw_set_writemask(struct brw_reg reg, unsigned mask)
{
assert(reg.file != BRW_IMMEDIATE_VALUE);
- reg.dw1.bits.writemask = mask;
+ reg.writemask = mask;
return reg;
}
+static inline unsigned
+brw_writemask_for_size(unsigned n)
+{
+ return (1 << n) - 1;
+}
+
static inline struct brw_reg
negate(struct brw_reg reg)
{
struct brw_reg reg = brw_vec4_grf(0, 0);
reg.subnr = subnr;
reg.address_mode = BRW_ADDRESS_REGISTER_INDIRECT_REGISTER;
- reg.dw1.bits.indirect_offset = offset;
+ reg.indirect_offset = offset;
return reg;
}
struct brw_reg reg = brw_vec1_grf(0, 0);
reg.subnr = subnr;
reg.address_mode = BRW_ADDRESS_REGISTER_INDIRECT_REGISTER;
- reg.dw1.bits.indirect_offset = offset;
+ reg.indirect_offset = offset;
+ return reg;
+}
+
+static inline struct brw_reg
+brw_VxH_indirect(unsigned subnr, int offset)
+{
+ struct brw_reg reg = brw_vec1_grf(0, 0);
+ reg.vstride = BRW_VERTICAL_STRIDE_ONE_DIMENSIONAL;
+ reg.subnr = subnr;
+ reg.address_mode = BRW_ADDRESS_REGISTER_INDIRECT_REGISTER;
+ reg.indirect_offset = offset;
return reg;
}
return ptr;
}
+static inline bool
+region_matches(struct brw_reg reg, enum brw_vertical_stride v,
+ enum brw_width w, enum brw_horizontal_stride h)
+{
+ return reg.vstride == v &&
+ reg.width == w &&
+ reg.hstride == h;
+}
+
+#define has_scalar_region(reg) \
+ region_matches(reg, BRW_VERTICAL_STRIDE_0, BRW_WIDTH_1, \
+ BRW_HORIZONTAL_STRIDE_0)
+
+/* brw_packed_float.c */
+int brw_float_to_vf(float f);
+float brw_vf_to_float(unsigned char vf);
+
#ifdef __cplusplus
}
#endif
projects / mesa.git / blobdiff