kolibrios-fun/contrib/sdk/sources/Intel-2D/sna/brw/brw_wm.c
Sergey Semyonov (Serge) d605acf341 intel-2d: sna-2.99.906
git-svn-id: svn://kolibrios.org@4501 a494cfbc-eb01-0410-851d-a64ba20cac60
2014-01-21 14:20:59 +00:00

682 lines
16 KiB
C

#include "brw.h"
#define X16 8
#define Y16 10
static void brw_wm_xy(struct brw_compile *p, int dw)
{
struct brw_reg r1 = brw_vec1_grf(1, 0);
struct brw_reg r1_uw = __retype_uw(r1);
struct brw_reg x_uw, y_uw;
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
if (dw == 16) {
x_uw = brw_uw16_grf(30, 0);
y_uw = brw_uw16_grf(28, 0);
} else {
x_uw = brw_uw8_grf(30, 0);
y_uw = brw_uw8_grf(28, 0);
}
brw_ADD(p,
x_uw,
__stride(__suboffset(r1_uw, 4), 2, 4, 0),
brw_imm_v(0x10101010));
brw_ADD(p,
y_uw,
__stride(__suboffset(r1_uw, 5), 2, 4, 0),
brw_imm_v(0x11001100));
brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED);
brw_ADD(p, brw_vec8_grf(X16, 0), vec8(x_uw), brw_negate(r1));
brw_ADD(p, brw_vec8_grf(Y16, 0), vec8(y_uw), brw_negate(__suboffset(r1, 1)));
}
static void brw_wm_affine_st(struct brw_compile *p, int dw,
int channel, int msg)
{
int uv;
if (dw == 16) {
brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED);
uv = p->gen >= 060 ? 6 : 3;
} else {
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
uv = p->gen >= 060 ? 4 : 3;
}
uv += 2*channel;
msg++;
if (p->gen >= 060) {
brw_PLN(p,
brw_message_reg(msg),
brw_vec1_grf(uv, 0),
brw_vec8_grf(2, 0));
msg += dw/8;
brw_PLN(p,
brw_message_reg(msg),
brw_vec1_grf(uv, 4),
brw_vec8_grf(2, 0));
} else {
struct brw_reg r = brw_vec1_grf(uv, 0);
brw_LINE(p, brw_null_reg(), __suboffset(r, 0), brw_vec8_grf(X16, 0));
brw_MAC(p, brw_message_reg(msg), __suboffset(r, 1), brw_vec8_grf(Y16, 0));
msg += dw/8;
brw_LINE(p, brw_null_reg(), __suboffset(r, 4), brw_vec8_grf(X16, 0));
brw_MAC(p, brw_message_reg(msg), __suboffset(r, 5), brw_vec8_grf(Y16, 0));
}
}
static inline unsigned simd(int dw)
{
return dw == 16 ? BRW_SAMPLER_SIMD_MODE_SIMD16 : BRW_SAMPLER_SIMD_MODE_SIMD8;
}
static inline struct brw_reg sample_result(int dw, int result)
{
return brw_reg(BRW_GENERAL_REGISTER_FILE, result, 0,
BRW_REGISTER_TYPE_UW,
dw == 16 ? BRW_VERTICAL_STRIDE_16 : BRW_VERTICAL_STRIDE_8,
dw == 16 ? BRW_WIDTH_16 : BRW_WIDTH_8,
BRW_HORIZONTAL_STRIDE_1,
BRW_SWIZZLE_XYZW,
WRITEMASK_XYZW);
}
static int brw_wm_sample(struct brw_compile *p, int dw,
int channel, int msg, int result)
{
struct brw_reg src0;
bool header;
int len;
len = dw == 16 ? 4 : 2;
if (p->gen >= 060) {
header = false;
src0 = brw_message_reg(++msg);
} else {
header = true;
src0 = brw_vec8_grf(0, 0);
}
brw_SAMPLE(p, sample_result(dw, result), msg, src0,
channel+1, channel, WRITEMASK_XYZW, 0,
2*len, len+header, header, simd(dw));
return result;
}
static int brw_wm_sample__alpha(struct brw_compile *p, int dw,
int channel, int msg, int result)
{
struct brw_reg src0;
int mlen, rlen;
if (dw == 8) {
/* SIMD8 sample return is not masked */
mlen = 3;
rlen = 4;
} else {
mlen = 5;
rlen = 2;
}
if (p->gen >= 060)
src0 = brw_message_reg(msg);
else
src0 = brw_vec8_grf(0, 0);
brw_SAMPLE(p, sample_result(dw, result), msg, src0,
channel+1, channel, WRITEMASK_W, 0,
rlen, mlen, true, simd(dw));
if (dw == 8)
result += 3;
return result;
}
static int brw_wm_affine(struct brw_compile *p, int dw,
int channel, int msg, int result)
{
brw_wm_affine_st(p, dw, channel, msg);
return brw_wm_sample(p, dw, channel, msg, result);
}
static int brw_wm_affine__alpha(struct brw_compile *p, int dw,
int channel, int msg, int result)
{
brw_wm_affine_st(p, dw, channel, msg);
return brw_wm_sample__alpha(p, dw, channel, msg, result);
}
static inline struct brw_reg null_result(int dw)
{
return brw_reg(BRW_ARCHITECTURE_REGISTER_FILE, BRW_ARF_NULL, 0,
BRW_REGISTER_TYPE_UW,
dw == 16 ? BRW_VERTICAL_STRIDE_16 : BRW_VERTICAL_STRIDE_8,
dw == 16 ? BRW_WIDTH_16 : BRW_WIDTH_8,
BRW_HORIZONTAL_STRIDE_1,
BRW_SWIZZLE_XYZW,
WRITEMASK_XYZW);
}
static void brw_fb_write(struct brw_compile *p, int dw)
{
struct brw_instruction *insn;
unsigned msg_control, msg_type, msg_len;
struct brw_reg src0;
bool header;
if (dw == 16) {
brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED);
msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD16_SINGLE_SOURCE;
msg_len = 8;
} else {
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD8_SINGLE_SOURCE_SUBSPAN01;
msg_len = 4;
}
if (p->gen < 060) {
brw_push_insn_state(p);
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
brw_set_mask_control(p, BRW_MASK_DISABLE);
brw_MOV(p, brw_message_reg(1), brw_vec8_grf(1, 0));
brw_pop_insn_state(p);
msg_len += 2;
}
/* The execution mask is ignored for render target writes. */
insn = brw_next_insn(p, BRW_OPCODE_SEND);
insn->header.predicate_control = 0;
insn->header.compression_control = BRW_COMPRESSION_NONE;
if (p->gen >= 060) {
msg_type = GEN6_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_WRITE;
src0 = brw_message_reg(2);
header = false;
} else {
insn->header.destreg__conditionalmod = 0;
msg_type = BRW_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_WRITE;
src0 = __retype_uw(brw_vec8_grf(0, 0));
header = true;
}
brw_set_dest(p, insn, null_result(dw));
brw_set_src0(p, insn, src0);
brw_set_dp_write_message(p, insn, 0,
msg_control, msg_type, msg_len,
header, true, 0, true, false);
}
static void brw_wm_write(struct brw_compile *p, int dw, int src)
{
int n;
if (dw == 8 && p->gen >= 060) {
/* XXX pixel execution mask? */
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
brw_MOV(p, brw_message_reg(2), brw_vec8_grf(src+0, 0));
brw_MOV(p, brw_message_reg(3), brw_vec8_grf(src+1, 0));
brw_MOV(p, brw_message_reg(4), brw_vec8_grf(src+2, 0));
brw_MOV(p, brw_message_reg(5), brw_vec8_grf(src+3, 0));
goto done;
}
brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED);
for (n = 0; n < 4; n++) {
if (p->gen >= 060) {
brw_MOV(p,
brw_message_reg(2 + 2*n),
brw_vec8_grf(src + 2*n, 0));
} else if (p->gen >= 045 && dw == 16) {
brw_MOV(p,
brw_message_reg(2 + n + BRW_MRF_COMPR4),
brw_vec8_grf(src + 2*n, 0));
} else {
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
brw_MOV(p,
brw_message_reg(2 + n),
brw_vec8_grf(src + 2*n, 0));
if (dw == 16) {
brw_set_compression_control(p, BRW_COMPRESSION_2NDHALF);
brw_MOV(p,
brw_message_reg(2 + n + 4),
brw_vec8_grf(src + 2*n+1, 0));
}
}
}
done:
brw_fb_write(p, dw);
}
static void brw_wm_write__mask(struct brw_compile *p, int dw,
int src, int mask)
{
int n;
if (dw == 8 && p->gen >= 060) {
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
brw_MUL(p,
brw_message_reg(2),
brw_vec8_grf(src+0, 0),
brw_vec8_grf(mask, 0));
brw_MUL(p,
brw_message_reg(3),
brw_vec8_grf(src+1, 0),
brw_vec8_grf(mask, 0));
brw_MUL(p,
brw_message_reg(4),
brw_vec8_grf(src+2, 0),
brw_vec8_grf(mask, 0));
brw_MUL(p,
brw_message_reg(5),
brw_vec8_grf(src+3, 0),
brw_vec8_grf(mask, 0));
goto done;
}
brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED);
for (n = 0; n < 4; n++) {
if (p->gen >= 060) {
brw_MUL(p,
brw_message_reg(2 + 2*n),
brw_vec8_grf(src + 2*n, 0),
brw_vec8_grf(mask, 0));
} else if (p->gen >= 045 && dw == 16) {
brw_MUL(p,
brw_message_reg(2 + n + BRW_MRF_COMPR4),
brw_vec8_grf(src + 2*n, 0),
brw_vec8_grf(mask, 0));
} else {
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
brw_MUL(p,
brw_message_reg(2 + n),
brw_vec8_grf(src + 2*n, 0),
brw_vec8_grf(mask, 0));
if (dw == 16) {
brw_set_compression_control(p, BRW_COMPRESSION_2NDHALF);
brw_MUL(p,
brw_message_reg(2 + n + 4),
brw_vec8_grf(src + 2*n+1, 0),
brw_vec8_grf(mask+1, 0));
}
}
}
done:
brw_fb_write(p, dw);
}
static void brw_wm_write__opacity(struct brw_compile *p, int dw,
int src, int mask)
{
int n;
if (dw == 8 && p->gen >= 060) {
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
brw_MUL(p,
brw_message_reg(2),
brw_vec8_grf(src+0, 0),
brw_vec1_grf(mask, 3));
brw_MUL(p,
brw_message_reg(3),
brw_vec8_grf(src+1, 0),
brw_vec1_grf(mask, 3));
brw_MUL(p,
brw_message_reg(4),
brw_vec8_grf(src+2, 0),
brw_vec1_grf(mask, 3));
brw_MUL(p,
brw_message_reg(5),
brw_vec8_grf(src+3, 0),
brw_vec1_grf(mask, 3));
goto done;
}
brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED);
for (n = 0; n < 4; n++) {
if (p->gen >= 060) {
brw_MUL(p,
brw_message_reg(2 + 2*n),
brw_vec8_grf(src + 2*n, 0),
brw_vec1_grf(mask, 3));
} else if (p->gen >= 045 && dw == 16) {
brw_MUL(p,
brw_message_reg(2 + n + BRW_MRF_COMPR4),
brw_vec8_grf(src + 2*n, 0),
brw_vec1_grf(mask, 3));
} else {
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
brw_MUL(p,
brw_message_reg(2 + n),
brw_vec8_grf(src + 2*n, 0),
brw_vec1_grf(mask, 3));
if (dw == 16) {
brw_set_compression_control(p, BRW_COMPRESSION_2NDHALF);
brw_MUL(p,
brw_message_reg(2 + n + 4),
brw_vec8_grf(src + 2*n+1, 0),
brw_vec1_grf(mask, 3));
}
}
}
done:
brw_fb_write(p, dw);
}
static void brw_wm_write__mask_ca(struct brw_compile *p, int dw,
int src, int mask)
{
int n;
if (dw == 8 && p->gen >= 060) {
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
brw_MUL(p,
brw_message_reg(2),
brw_vec8_grf(src + 0, 0),
brw_vec8_grf(mask + 0, 0));
brw_MUL(p,
brw_message_reg(3),
brw_vec8_grf(src + 1, 0),
brw_vec8_grf(mask + 1, 0));
brw_MUL(p,
brw_message_reg(4),
brw_vec8_grf(src + 2, 0),
brw_vec8_grf(mask + 2, 0));
brw_MUL(p,
brw_message_reg(5),
brw_vec8_grf(src + 3, 0),
brw_vec8_grf(mask + 3, 0));
goto done;
}
brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED);
for (n = 0; n < 4; n++) {
if (p->gen >= 060) {
brw_MUL(p,
brw_message_reg(2 + 2*n),
brw_vec8_grf(src + 2*n, 0),
brw_vec8_grf(mask + 2*n, 0));
} else if (p->gen >= 045 && dw == 16) {
brw_MUL(p,
brw_message_reg(2 + n + BRW_MRF_COMPR4),
brw_vec8_grf(src + 2*n, 0),
brw_vec8_grf(mask + 2*n, 0));
} else {
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
brw_MUL(p,
brw_message_reg(2 + n),
brw_vec8_grf(src + 2*n, 0),
brw_vec8_grf(mask + 2*n, 0));
if (dw == 16) {
brw_set_compression_control(p, BRW_COMPRESSION_2NDHALF);
brw_MUL(p,
brw_message_reg(2 + n + 4),
brw_vec8_grf(src + 2*n + 1, 0),
brw_vec8_grf(mask + 2*n + 1, 0));
}
}
}
done:
brw_fb_write(p, dw);
}
bool
brw_wm_kernel__affine(struct brw_compile *p, int dispatch)
{
if (p->gen < 060)
brw_wm_xy(p, dispatch);
brw_wm_write(p, dispatch, brw_wm_affine(p, dispatch, 0, 1, 12));
return true;
}
bool
brw_wm_kernel__affine_mask(struct brw_compile *p, int dispatch)
{
int src, mask;
if (p->gen < 060)
brw_wm_xy(p, dispatch);
src = brw_wm_affine(p, dispatch, 0, 1, 12);
mask = brw_wm_affine__alpha(p, dispatch, 1, 6, 20);
brw_wm_write__mask(p, dispatch, src, mask);
return true;
}
bool
brw_wm_kernel__affine_mask_ca(struct brw_compile *p, int dispatch)
{
int src, mask;
if (p->gen < 060)
brw_wm_xy(p, dispatch);
src = brw_wm_affine(p, dispatch, 0, 1, 12);
mask = brw_wm_affine(p, dispatch, 1, 6, 20);
brw_wm_write__mask_ca(p, dispatch, src, mask);
return true;
}
bool
brw_wm_kernel__affine_mask_sa(struct brw_compile *p, int dispatch)
{
int src, mask;
if (p->gen < 060)
brw_wm_xy(p, dispatch);
src = brw_wm_affine__alpha(p, dispatch, 0, 1, 12);
mask = brw_wm_affine(p, dispatch, 1, 6, 16);
brw_wm_write__mask(p, dispatch, mask, src);
return true;
}
/* Projective variants */
static void brw_wm_projective_st(struct brw_compile *p, int dw,
int channel, int msg)
{
int uv;
if (dw == 16) {
brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED);
uv = p->gen >= 060 ? 6 : 3;
} else {
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
uv = p->gen >= 060 ? 4 : 3;
}
uv += 2*channel;
msg++;
if (p->gen >= 060) {
/* First compute 1/z */
brw_PLN(p,
brw_vec8_grf(30, 0),
brw_vec1_grf(uv+1, 0),
brw_vec8_grf(2, 0));
if (dw == 16) {
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
brw_math_invert(p, brw_vec8_grf(30, 0), brw_vec8_grf(30, 0));
brw_math_invert(p, brw_vec8_grf(31, 0), brw_vec8_grf(31, 0));
brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED);
} else
brw_math_invert(p, brw_vec8_grf(30, 0), brw_vec8_grf(30, 0));
brw_PLN(p,
brw_vec8_grf(26, 0),
brw_vec1_grf(uv, 0),
brw_vec8_grf(2, 0));
brw_PLN(p,
brw_vec8_grf(28, 0),
brw_vec1_grf(uv, 0),
brw_vec8_grf(4, 0));
brw_MUL(p,
brw_message_reg(msg),
brw_vec8_grf(26, 0),
brw_vec8_grf(30, 0));
brw_MUL(p,
brw_message_reg(msg + dw/8),
brw_vec8_grf(28, 0),
brw_vec8_grf(30, 0));
} else {
struct brw_reg r = brw_vec1_grf(uv, 0);
/* First compute 1/z */
brw_LINE(p, brw_null_reg(), brw_vec1_grf(uv+1, 0), brw_vec8_grf(X16, 0));
brw_MAC(p, brw_vec8_grf(30, 0), brw_vec1_grf(uv+1, 1), brw_vec8_grf(Y16, 0));
if (dw == 16) {
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
brw_math_invert(p, brw_vec8_grf(30, 0), brw_vec8_grf(30, 0));
brw_math_invert(p, brw_vec8_grf(31, 0), brw_vec8_grf(31, 0));
brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED);
} else
brw_math_invert(p, brw_vec8_grf(30, 0), brw_vec8_grf(30, 0));
/* Now compute the output s,t values */
brw_LINE(p, brw_null_reg(), __suboffset(r, 0), brw_vec8_grf(X16, 0));
brw_MAC(p, brw_vec8_grf(28, 0), __suboffset(r, 1), brw_vec8_grf(Y16, 0));
brw_MUL(p, brw_message_reg(msg), brw_vec8_grf(28, 0), brw_vec8_grf(30, 0));
msg += dw/8;
brw_LINE(p, brw_null_reg(), __suboffset(r, 4), brw_vec8_grf(X16, 0));
brw_MAC(p, brw_vec8_grf(28, 0), __suboffset(r, 5), brw_vec8_grf(Y16, 0));
brw_MUL(p, brw_message_reg(msg), brw_vec8_grf(28, 0), brw_vec8_grf(30, 0));
}
}
static int brw_wm_projective(struct brw_compile *p, int dw,
int channel, int msg, int result)
{
brw_wm_projective_st(p, dw, channel, msg);
return brw_wm_sample(p, dw, channel, msg, result);
}
static int brw_wm_projective__alpha(struct brw_compile *p, int dw,
int channel, int msg, int result)
{
brw_wm_projective_st(p, dw, channel, msg);
return brw_wm_sample__alpha(p, dw, channel, msg, result);
}
bool
brw_wm_kernel__projective(struct brw_compile *p, int dispatch)
{
if (p->gen < 060)
brw_wm_xy(p, dispatch);
brw_wm_write(p, dispatch, brw_wm_projective(p, dispatch, 0, 1, 12));
return true;
}
bool
brw_wm_kernel__projective_mask(struct brw_compile *p, int dispatch)
{
int src, mask;
if (p->gen < 060)
brw_wm_xy(p, dispatch);
src = brw_wm_projective(p, dispatch, 0, 1, 12);
mask = brw_wm_projective__alpha(p, dispatch, 1, 6, 20);
brw_wm_write__mask(p, dispatch, src, mask);
return true;
}
bool
brw_wm_kernel__projective_mask_ca(struct brw_compile *p, int dispatch)
{
int src, mask;
if (p->gen < 060)
brw_wm_xy(p, dispatch);
src = brw_wm_projective(p, dispatch, 0, 1, 12);
mask = brw_wm_projective(p, dispatch, 1, 6, 20);
brw_wm_write__mask_ca(p, dispatch, src, mask);
return true;
}
bool
brw_wm_kernel__projective_mask_sa(struct brw_compile *p, int dispatch)
{
int src, mask;
if (p->gen < 060)
brw_wm_xy(p, dispatch);
src = brw_wm_projective__alpha(p, dispatch, 0, 1, 12);
mask = brw_wm_projective(p, dispatch, 1, 6, 16);
brw_wm_write__mask(p, dispatch, mask, src);
return true;
}
bool
brw_wm_kernel__affine_opacity(struct brw_compile *p, int dispatch)
{
int src, mask;
if (p->gen < 060) {
brw_wm_xy(p, dispatch);
mask = 5;
} else
mask = dispatch == 16 ? 8 : 6;
src = brw_wm_affine(p, dispatch, 0, 1, 12);
brw_wm_write__opacity(p, dispatch, src, mask);
return true;
}
bool
brw_wm_kernel__projective_opacity(struct brw_compile *p, int dispatch)
{
int src, mask;
if (p->gen < 060) {
brw_wm_xy(p, dispatch);
mask = 5;
} else
mask = dispatch == 16 ? 8 : 6;
src = brw_wm_projective(p, dispatch, 0, 1, 12);
brw_wm_write__opacity(p, dispatch, src, mask);
return true;
}