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|
/*
* Copyright (C) 2020 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2020 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-dsp-lib
* Created on: 31 мар. 2020 г.
*
* lsp-dsp-lib is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-dsp-lib is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-dsp-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PRIVATE_DSP_ARCH_X86_SSE2_GRAPHICS_H_
#define PRIVATE_DSP_ARCH_X86_SSE2_GRAPHICS_H_
#ifndef PRIVATE_DSP_ARCH_X86_SSE2_IMPL
#error "This header should not be included directly"
#endif /* PRIVATE_DSP_ARCH_X86_SSE2_IMPL */
#include <private/dsp/arch/x86/sse2/graphics/pixelfmt.h>
namespace lsp
{
namespace sse2
{
IF_ARCH_X86(
static const float HSL_RGB[] __lsp_aligned16 =
{
LSP_DSP_VEC4(0.5f), // 1/2
LSP_DSP_VEC4(0.333333333333f), // 1/3
LSP_DSP_VEC4(1.0f), // 1
LSP_DSP_VEC4(6.0f), // 6
LSP_DSP_VEC4(0.166666666667f), // 1/6
LSP_DSP_VEC4(0.666666666667f) // 2/3
};
static const float RGB_HSL[] __lsp_aligned16 =
{
LSP_DSP_VEC4(4.0f),
LSP_DSP_VEC4(2.0f),
LSP_DSP_VEC4(6.0f),
LSP_DSP_VEC4(1.0f),
LSP_DSP_VEC4(0.5f),
LSP_DSP_VEC4(0.166666666667f) // 1/6
};
static const float RGBA_TO_BGRA32[] __lsp_aligned16 =
{
LSP_DSP_VEC4(255.0f)
};
)
#define HSLA_TRANSPOSE \
__ASM_EMIT("movaps %%xmm2, %%xmm4") \
__ASM_EMIT("punpckldq %%xmm3, %%xmm2") \
__ASM_EMIT("punpckhdq %%xmm3, %%xmm4") \
__ASM_EMIT("movaps %%xmm0, %%xmm3") \
__ASM_EMIT("punpckldq %%xmm1, %%xmm0") \
__ASM_EMIT("punpckhdq %%xmm1, %%xmm3") \
__ASM_EMIT("movaps %%xmm0, %%xmm1") \
__ASM_EMIT("punpcklqdq %%xmm2, %%xmm0") \
__ASM_EMIT("punpckhqdq %%xmm2, %%xmm1") \
__ASM_EMIT("movaps %%xmm3, %%xmm2") \
__ASM_EMIT("punpcklqdq %%xmm4, %%xmm2") \
__ASM_EMIT("punpckhqdq %%xmm4, %%xmm3") \
#define HSLA_TO_RGBA_CORE \
/* Transpose */\
HSLA_TRANSPOSE \
\
/* xmm0 = h0 h1 h2 h3 = H */ \
/* xmm1 = s0 s1 s2 s3 = S */ \
/* xmm2 = l0 l1 l2 l3 = L */ \
/* xmm3 = a0 a1 a2 a3 = A */ \
/* Calc temp1 (T1) and temp2 (T2) */ \
__ASM_EMIT("movaps %%xmm1, %%xmm6") /* xmm6 = S */ \
__ASM_EMIT("movaps %%xmm2, %%xmm7") /* xmm7 = L */ \
__ASM_EMIT("addps %%xmm2, %%xmm6") /* xmm6 = L + S */ \
__ASM_EMIT("mulps %%xmm1, %%xmm7") /* xmm7 = L * S */ \
__ASM_EMIT("subps %%xmm7, %%xmm6") /* xmm6 = L + S - L * S */ \
__ASM_EMIT("addps %%xmm2, %%xmm7") /* xmm7 = L + L * S */ \
__ASM_EMIT("movaps %%xmm2, %%xmm5") /* xmm5 = L */ \
__ASM_EMIT("movaps 0x00(%[XC]), %%xmm4") /* xmm4 = 0.5 */ \
__ASM_EMIT("addps %%xmm2, %%xmm5") /* xmm5 = L + L */ \
__ASM_EMIT("cmpps $2, %%xmm2, %%xmm4") /* xmm4 = [L >= 0.5f] */ \
__ASM_EMIT("andps %%xmm4, %%xmm6") /* xmm6 = [L >= 0.5f] & (L+S - L*S) */ \
__ASM_EMIT("andnps %%xmm7, %%xmm4") /* xmm4 = [L < 0.5f] & (L + L*S) */ \
__ASM_EMIT("orps %%xmm6, %%xmm4") /* xmm4 = T2 = ([0.5f < L] & (L + L*S)) | ([0.5f >= L] & (L+S - L*S)) */ \
__ASM_EMIT("movaps %%xmm0, %%xmm1") /* xmm1 = TG = H */ \
__ASM_EMIT("subps %%xmm4, %%xmm5") /* xmm5 = T1 = L + L - T2 */ \
__ASM_EMIT("movaps %%xmm0, %%xmm2") /* xmm2 = H */ \
\
__ASM_EMIT("movaps 0x10(%[XC]), %%xmm6") /* xmm6 = 1/3 */ \
__ASM_EMIT("addps %%xmm6, %%xmm0") /* xmm0 = H + 1/3 */ \
__ASM_EMIT("subps %%xmm6, %%xmm2") /* xmm2 = H - 1/3 */ \
\
__ASM_EMIT("movaps 0x20(%[XC]), %%xmm7") /* xmm7 = 1 */ \
__ASM_EMIT("movaps %%xmm0, %%xmm6") /* xmm6 = H + 1/3 */ \
__ASM_EMIT("subps %%xmm7, %%xmm6") /* xmm6 = H + 1/3 - 1 */ \
__ASM_EMIT("cmpps $5, %%xmm0, %%xmm7") /* xmm7 = [(H + 1/3) <= 1] */ \
__ASM_EMIT("andps %%xmm7, %%xmm0") /* xmm0 = (H + 1/3) & [(H + 1/3) <= 1] */ \
__ASM_EMIT("andnps %%xmm6, %%xmm7") /* xmm7 = (H + 1/3 - 1) & [(H + 1/3) > 1] */ \
__ASM_EMIT("orps %%xmm7, %%xmm0") /* xmm0 = TR = ((H + 1/3) & [(H + 1/3) <= 1]) | ((H + 1/3 - 1) & [(H + 1/3) > 1]) */ \
\
__ASM_EMIT("movaps 0x20(%[XC]), %%xmm7") /* xmm7 = 1 */ \
__ASM_EMIT("movaps %%xmm2, %%xmm6") /* xmm6 = H - 1/3 */ \
__ASM_EMIT("addps %%xmm7, %%xmm6") /* xmm6 = H - 1/3 + 1 */ \
__ASM_EMIT("xorps %%xmm7, %%xmm7") /* xmm7 = 0 */ \
__ASM_EMIT("cmpps $2, %%xmm2, %%xmm7") /* xmm7 = [(H - 1/3) >= 0] */ \
__ASM_EMIT("andps %%xmm7, %%xmm2") /* xmm2 = (H - 1/3) & [(H - 1/3) >= 0] */ \
__ASM_EMIT("andnps %%xmm6, %%xmm7") /* xmm6 = (H - 1/3 + 1) & [(H - 1/3) < 0] */ \
__ASM_EMIT("orps %%xmm7, %%xmm2") /* xmm2 = TB = ((H - 1/3) & [(H - 1/3) >= 0]) | ((H - 1/3 + 1) & [(H - 1/3) < 0]) */ \
\
__ASM_EMIT("movaps %%xmm4, %%xmm6") /* xmm6 = T2 */ \
__ASM_EMIT("subps %%xmm5, %%xmm6") /* xmm6 = T2 - T1 */ \
__ASM_EMIT("mulps 0x30(%[XC]), %%xmm6") /* xmm6 = K = (T2 - T1)*6.0 */ \
\
/* xmm0 = TR */ \
/* xmm1 = TG */ \
/* xmm2 = TB */ \
/* xmm3 = A */ \
/* xmm4 = T2 */ \
/* xmm5 = T1 */ \
/* xmm6 = K */ \
__ASM_EMIT("movaps %%xmm0, 0x00(%[HSLM])") /* TR */ \
__ASM_EMIT("movaps %%xmm1, 0x10(%[HSLM])") /* TG */ \
__ASM_EMIT("movaps %%xmm2, 0x20(%[HSLM])") /* TB */ \
__ASM_EMIT("movaps %%xmm3, 0x30(%[HSLM])") /* A */ \
__ASM_EMIT("movaps %%xmm4, 0x40(%[HSLM])") /* T2 */ \
__ASM_EMIT("movaps %%xmm5, 0x50(%[HSLM])") /* T1 */ \
\
__ASM_EMIT("movaps 0x50(%[XC]), %%xmm3") /* xmm3 = 2/3 */ \
__ASM_EMIT("movaps %%xmm5, %%xmm7") /* xmm7 = T1 */ \
__ASM_EMIT("mulps %%xmm6, %%xmm0") /* xmm0 = k*TR */ \
__ASM_EMIT("mulps %%xmm6, %%xmm3") /* xmm3 = K * 2/3 */ \
__ASM_EMIT("mulps %%xmm6, %%xmm1") /* xmm1 = k*TG */ \
__ASM_EMIT("movaps %%xmm3, %%xmm4") /* xmm4 = K * 2/3 */ \
__ASM_EMIT("mulps %%xmm6, %%xmm2") /* xmm2 = k*TB */ \
__ASM_EMIT("movaps %%xmm3, %%xmm5") /* xmm5 = K * 2/3 */ \
__ASM_EMIT("subps %%xmm0, %%xmm3") /* xmm3 = K * (2/3 - TR) */ \
__ASM_EMIT("subps %%xmm1, %%xmm4") /* xmm4 = K * (2/3 - TG) */ \
__ASM_EMIT("subps %%xmm2, %%xmm5") /* xmm5 = K * (2/3 - TB) */ \
__ASM_EMIT("addps %%xmm7, %%xmm0") /* xmm0 = KTR = k*TR + T1 */ \
__ASM_EMIT("addps %%xmm7, %%xmm1") /* xmm1 = KTG = k*TG + T1 */ \
__ASM_EMIT("addps %%xmm7, %%xmm2") /* xmm2 = KTB = k*TB + T1 */ \
__ASM_EMIT("addps %%xmm7, %%xmm3") /* xmm3 = RTR = K * (2/3 - TR) + T1 */ \
__ASM_EMIT("addps %%xmm7, %%xmm4") /* xmm4 = RTG = K * (2/3 - TG) + T1 */ \
__ASM_EMIT("addps %%xmm7, %%xmm5") /* xmm5 = RTB = K * (2/3 - TB) + T1 */ \
\
__ASM_EMIT("movaps %%xmm0, 0x60(%[HSLM])") /* KTR */ \
__ASM_EMIT("movaps %%xmm1, 0x70(%[HSLM])") /* KTG */ \
__ASM_EMIT("movaps %%xmm2, 0x80(%[HSLM])") /* KTB */ \
__ASM_EMIT("movaps %%xmm3, 0x90(%[HSLM])") /* RTR */ \
__ASM_EMIT("movaps %%xmm4, 0xa0(%[HSLM])") /* RTG */ \
__ASM_EMIT("movaps %%xmm5, 0xb0(%[HSLM])") /* RTB */ \
\
/* Now we have enough data to process */ \
__ASM_EMIT("movaps 0x00(%[HSLM]), %%xmm0") /* xmm0 = TR */ \
__ASM_EMIT("movaps 0x10(%[HSLM]), %%xmm1") /* xmm1 = TG */ \
__ASM_EMIT("movaps 0x20(%[HSLM]), %%xmm2") /* xmm2 = TB */ \
__ASM_EMIT("movaps 0x30(%[HSLM]), %%xmm3") /* xmm3 = A */ \
\
/* Process red */ \
__ASM_EMIT("movaps %%xmm0, %%xmm5") /* xmm5 = TR */ \
__ASM_EMIT("movaps %%xmm0, %%xmm6") /* xmm6 = TR */ \
__ASM_EMIT("cmpps $1, 0x00(%[XC]), %%xmm0") /* xmm0 = [ TR < 0.5 ] */ \
__ASM_EMIT("cmpps $1, 0x40(%[XC]), %%xmm5") /* xmm5 = [ TR < 1/6 ] */ \
__ASM_EMIT("cmpps $1, 0x50(%[XC]), %%xmm6") /* xmm6 = [ TR < 2/3 ] */ \
__ASM_EMIT("movaps %%xmm5, %%xmm7") /* xmm7 = [ TR < 1/6 ] */ \
__ASM_EMIT("andnps %%xmm0, %%xmm7") /* xmm7 = [ TR >= 1/6 ] & [ TR < 0.5 ] */ \
__ASM_EMIT("andnps %%xmm6, %%xmm0") /* xmm0 = [ TR >= 0.5 ] & [ TR < 2/3 ] */ \
__ASM_EMIT("andps 0x60(%[HSLM]), %%xmm5") /* xmm5 = KTR & [ TR < 1/6 ] */ \
__ASM_EMIT("andps 0x40(%[HSLM]), %%xmm7") /* xmm7 = T2 & [ TR < 1/6 ] */ \
__ASM_EMIT("andnps 0x50(%[HSLM]), %%xmm6") /* xmm6 = T1 & [ TR >= 2/3 ] */ \
__ASM_EMIT("andps 0x90(%[HSLM]), %%xmm0") /* xmm0 = RTR & [ TR >= 0.5 ] & [ TR < 2/3 ] */ \
__ASM_EMIT("orps %%xmm7, %%xmm6") \
__ASM_EMIT("orps %%xmm5, %%xmm0") \
__ASM_EMIT("orps %%xmm6, %%xmm0") \
\
/* Process green */ \
__ASM_EMIT("movaps %%xmm1, %%xmm5") /* xmm5 = TG */ \
__ASM_EMIT("movaps %%xmm1, %%xmm6") /* xmm6 = TG */ \
__ASM_EMIT("cmpps $1, 0x00(%[XC]), %%xmm1") /* xmm1 = [ TG < 0.5 ] */ \
__ASM_EMIT("cmpps $1, 0x40(%[XC]), %%xmm5") /* xmm5 = [ TG < 1/6 ] */ \
__ASM_EMIT("cmpps $1, 0x50(%[XC]), %%xmm6") /* xmm6 = [ TG < 2/3 ] */ \
__ASM_EMIT("movaps %%xmm5, %%xmm7") /* xmm7 = [ TG < 1/6 ] */ \
__ASM_EMIT("andnps %%xmm1, %%xmm7") /* xmm7 = [ TG >= 1/6 ] & [ TG < 0.5 ] */ \
__ASM_EMIT("andnps %%xmm6, %%xmm1") /* xmm1 = [ TG >= 0.5 ] & [ TG < 2/3 ] */ \
__ASM_EMIT("andps 0x70(%[HSLM]), %%xmm5") /* xmm5 = KTG & [ TG < 1/6 ] */ \
__ASM_EMIT("andps 0x40(%[HSLM]), %%xmm7") /* xmm7 = T2 & [ TG < 1/6 ] */ \
__ASM_EMIT("andnps 0x50(%[HSLM]), %%xmm6") /* xmm6 = T1 & [ TG >= 2/3 ] */ \
__ASM_EMIT("andps 0xa0(%[HSLM]), %%xmm1") /* xmm1 = RTG & [ TG >= 0.5 ] & [ TG < 2/3 ] */ \
__ASM_EMIT("orps %%xmm7, %%xmm6") \
__ASM_EMIT("orps %%xmm5, %%xmm1") \
__ASM_EMIT("orps %%xmm6, %%xmm1") \
\
/* Process blue */ \
__ASM_EMIT("movaps %%xmm2, %%xmm5") /* xmm5 = TB */ \
__ASM_EMIT("movaps %%xmm2, %%xmm6") /* xmm6 = TB */ \
__ASM_EMIT("cmpps $1, 0x00(%[XC]), %%xmm2") /* xmm2 = [ TB < 0.5 ] */ \
__ASM_EMIT("cmpps $1, 0x40(%[XC]), %%xmm5") /* xmm5 = [ TB < 1/6 ] */ \
__ASM_EMIT("cmpps $1, 0x50(%[XC]), %%xmm6") /* xmm6 = [ TB < 2/3 ] */ \
__ASM_EMIT("movaps %%xmm5, %%xmm7") /* xmm7 = [ TB < 1/6 ] */ \
__ASM_EMIT("andnps %%xmm2, %%xmm7") /* xmm7 = [ TB >= 1/6 ] & [ TB < 0.5 ] */ \
__ASM_EMIT("andnps %%xmm6, %%xmm2") /* xmm2 = [ TB >= 0.5 ] & [ TB < 2/3 ] */ \
__ASM_EMIT("andps 0x80(%[HSLM]), %%xmm5") /* xmm5 = KTB & [ TB < 1/6 ] */ \
__ASM_EMIT("andps 0x40(%[HSLM]), %%xmm7") /* xmm7 = T2 & [ TB < 1/6 ] */ \
__ASM_EMIT("andnps 0x50(%[HSLM]), %%xmm6") /* xmm6 = T1 & [ TB >= 2/3 ] */ \
__ASM_EMIT("andps 0xb0(%[HSLM]), %%xmm2") /* xmm2 = RTB & [ TB >= 0.5 ] & [ TB < 2/3 ] */ \
__ASM_EMIT("orps %%xmm7, %%xmm6") \
__ASM_EMIT("orps %%xmm5, %%xmm2") \
__ASM_EMIT("orps %%xmm6, %%xmm2") \
\
/* Transpose final result back */ \
HSLA_TRANSPOSE
void hsla_to_rgba(float *dst, const float *src, size_t count)
{
#pragma pack(push, 1)
struct {
float tr[4], tg[4], tb[4], a[4];
float t2[4], t1[4];
float ktr[4], ktg[4], ktb[4];
float rtr[4], rtg[4], rtb[4];
} hslm __lsp_aligned16;
#pragma pack(pop)
ARCH_X86_ASM
(
__ASM_EMIT("sub $4, %[count]")
__ASM_EMIT("jb 2f")
//-----------------------------------------------------------------
// 4x blocks
__ASM_EMIT("1:")
__ASM_EMIT("movups 0x00(%[src]), %%xmm0") // xmm0 = h0 s0 l0 a0
__ASM_EMIT("movups 0x10(%[src]), %%xmm1") // xmm1 = h1 s1 l1 a1
__ASM_EMIT("movups 0x20(%[src]), %%xmm2") // xmm2 = h2 s2 l2 a2
__ASM_EMIT("movups 0x30(%[src]), %%xmm3") // xmm3 = h3 s3 l3 a3
HSLA_TO_RGBA_CORE
// Store result
__ASM_EMIT("movups %%xmm0, 0x00(%[dst])")
__ASM_EMIT("movups %%xmm1, 0x10(%[dst])")
__ASM_EMIT("movups %%xmm2, 0x20(%[dst])")
__ASM_EMIT("movups %%xmm3, 0x30(%[dst])")
// Repeat loop
__ASM_EMIT("add $0x40, %[src]")
__ASM_EMIT("add $0x40, %[dst]")
__ASM_EMIT("sub $4, %[count]")
__ASM_EMIT("jae 1b")
__ASM_EMIT("2:")
__ASM_EMIT("add $4, %[count]")
__ASM_EMIT("jle 10f")
//-----------------------------------------------------------------
// 1x - 3x block
// Load last variable-sized chunk
__ASM_EMIT("test $1, %[count]")
__ASM_EMIT("jz 4f")
__ASM_EMIT("movups 0x00(%[src]), %%xmm0")
__ASM_EMIT("add $0x10, %[src]")
__ASM_EMIT("4:")
__ASM_EMIT("test $2, %[count]")
__ASM_EMIT("jz 6f")
__ASM_EMIT("movups 0x00(%[src]), %%xmm1")
__ASM_EMIT("movups 0x10(%[src]), %%xmm2")
__ASM_EMIT("6:")
HSLA_TO_RGBA_CORE
// Store last chunk
__ASM_EMIT("test $1, %[count]")
__ASM_EMIT("jz 8f")
__ASM_EMIT("movups %%xmm0, 0x00(%[dst])")
__ASM_EMIT("add $0x10, %[dst]")
__ASM_EMIT("8:")
__ASM_EMIT("test $2, %[count]")
__ASM_EMIT("jz 10f")
__ASM_EMIT("movups %%xmm1, 0x00(%[dst])")
__ASM_EMIT("movups %%xmm2, 0x10(%[dst])")
__ASM_EMIT("10:")
: [dst] "+r" (dst), [src] "+r" (src), [count] "+r" (count)
: [XC] "r" (HSL_RGB), [HSLM] "r" (&hslm)
: "cc", "memory",
"%xmm0", "%xmm1", "%xmm2", "%xmm3",
"%xmm4", "%xmm5", "%xmm6", "%xmm7"
);
/*
//Set the temporary values
if (HSL_RGB_0_5 > L)
temp2 = (L + S) - (L * S)
else
temp2 = L + (L * S);
temp1 = L + L - temp2;
tempr = H + HSL_RGB_1_3;
tempg = H;
tempb = H - HSL_RGB_1_3;
if (tempr > 1.0f)
tempr -= 1.0f;
if (tempb < 0.0f)
tempb += 1.0f;
k = (temp2 - temp1) * 6.0f;
//Red
if (tempr < HSL_RGB_0_5)
R = (tempr < HSL_RGB_1_6) ? temp1 + k * tempr : temp2;
else
R = (tempr < HSL_RGB_2_3) ? temp1 + k * (HSL_RGB_2_3 - tempr) : temp1;
//Green
if (tempg < HSL_RGB_0_5)
G = (tempg < HSL_RGB_1_6) ? temp1 + k * tempg : temp2;
else
G = (tempg < HSL_RGB_2_3) ? temp1 + k * (HSL_RGB_2_3 - tempg) : temp1;
//Blue
if (tempb < HSL_RGB_0_5)
B = (tempb < HSL_RGB_1_6) ? temp1 + k * tempb : temp2;
else
B = (tempb < HSL_RGB_2_3) ? temp1 + k * (HSL_RGB_2_3 - tempb) : temp1;
*/
}
#undef HSLA_TO_RGBA_CORE
#define RGBA_TO_HSLA_CORE \
/* Transpose */\
HSLA_TRANSPOSE \
\
/* xmm0 = r0 r1 r2 r3 = R */ \
/* xmm1 = g0 h1 g2 g3 = G */ \
/* xmm2 = b0 b1 b2 b3 = B */ \
/* xmm3 = a0 a1 a2 a3 = A */ \
__ASM_EMIT("movaps %%xmm0, %%xmm6") \
__ASM_EMIT("movaps %%xmm1, %%xmm7") \
__ASM_EMIT("minps %%xmm2, %%xmm6") \
__ASM_EMIT("maxps %%xmm0, %%xmm7") \
__ASM_EMIT("minps %%xmm1, %%xmm6") /* xmm6 = CMIN */ \
__ASM_EMIT("maxps %%xmm2, %%xmm7") /* xmm7 = CMAX */ \
__ASM_EMIT("movaps %%xmm0, 0x00(%[RGBM])") /* R */ \
__ASM_EMIT("movaps %%xmm1, 0x10(%[RGBM])") /* G */ \
__ASM_EMIT("movaps %%xmm2, 0x20(%[RGBM])") /* B */ \
__ASM_EMIT("movaps %%xmm3, 0x30(%[RGBM])") /* A */ \
__ASM_EMIT("movaps %%xmm6, 0x40(%[RGBM])") /* CMIN */ \
__ASM_EMIT("movaps %%xmm7, 0x50(%[RGBM])") /* CMAX */ \
__ASM_EMIT("movaps %%xmm7, %%xmm5") /* xmm5 = CMAX */ \
__ASM_EMIT("subps %%xmm6, %%xmm7") /* xmm7 = D = CMAX - CMIN */ \
\
__ASM_EMIT("movaps %%xmm0, %%xmm3") /* xmm3 = R */ \
__ASM_EMIT("subps %%xmm1, %%xmm0") /* xmm0 = R - G */ \
__ASM_EMIT("subps %%xmm2, %%xmm1") /* xmm1 = G - B */ \
__ASM_EMIT("divps %%xmm7, %%xmm0") /* xmm0 = (R-G)/D */ \
__ASM_EMIT("subps %%xmm3, %%xmm2") /* xmm2 = B - R */ \
__ASM_EMIT("addps 0x00(%[XC]), %%xmm0") /* xmm0 = HB = (R-G)/D + 4 */ \
__ASM_EMIT("divps %%xmm7, %%xmm2") /* xmm2 = (B-R)/D */ \
__ASM_EMIT("xorps %%xmm3, %%xmm3") /* xmm3 = 0 */ \
__ASM_EMIT("divps %%xmm7, %%xmm1") /* xmm1 = (G-B)/D */ \
__ASM_EMIT("addps 0x10(%[XC]), %%xmm2") /* xmm2 = HG = (B-R)/D + 2 */ \
__ASM_EMIT("cmpps $6, %%xmm1, %%xmm3") /* xmm3 = (G-B)/D < 0 */ \
__ASM_EMIT("andps 0x20(%[XC]), %%xmm3") /* xmm3 = [ (G-B)/D < 0 ] & 6 */ \
__ASM_EMIT("addps %%xmm3, %%xmm1") /* xmm1 = HR = (G-B)/D + [ (G-B)/D < 0 ] & 6 */ \
\
/* xmm0 = HB */ \
/* xmm1 = HR */ \
/* xmm2 = HG */ \
/* xmm5 = CMAX */ \
/* xmm6 = CMIN */ \
/* xmm7 = D */ \
__ASM_EMIT("movaps %%xmm5, %%xmm6") /* xmm6 = CMAX */ \
__ASM_EMIT("cmpps $0, 0x00(%[RGBM]), %%xmm5") /* xmm5 = [ R == CMAX ] */ \
__ASM_EMIT("cmpps $0, 0x10(%[RGBM]), %%xmm6") /* xmm6 = [ G == CMAX ] */ \
__ASM_EMIT("movaps %%xmm5, %%xmm3") /* xmm3 = [ R == CMAX ] */ \
__ASM_EMIT("movaps %%xmm6, %%xmm4") /* xmm4 = [ G == CMAX ] */ \
__ASM_EMIT("andps %%xmm5, %%xmm1") /* xmm1 = HR & [ R == CMAX ] */ \
__ASM_EMIT("andnps %%xmm0, %%xmm3") /* xmm3 = HB & [ R != CMAX ] */ \
__ASM_EMIT("andnps %%xmm2, %%xmm5") /* xmm5 = HG & [ R != CMAX ] */ \
__ASM_EMIT("andnps %%xmm3, %%xmm4") /* xmm4 = HB & [ R != CMAX ] & [ G != CMAX ] */ \
__ASM_EMIT("andps %%xmm6, %%xmm5") /* xmm5 = HG & [ R != CMAX ] & [ G == CMAX ] */ \
__ASM_EMIT("orps %%xmm4, %%xmm1") /* xmm1 = (HR & [ R == CMAX ]) | (HB & [ R != CMAX ] & [ G != CMAX ]) */ \
__ASM_EMIT("xorps %%xmm6, %%xmm6") /* xmm6 = 0 */ \
__ASM_EMIT("orps %%xmm5, %%xmm1") /* xmm1 = (HR & [ R == CMAX ]) | (HG & [ R != CMAX ] & [ G == CMAX ]) | (HB & [ R != CMAX ] & [ G != CMAX ]) */ \
__ASM_EMIT("cmpps $4, %%xmm7, %%xmm6") /* xmm6 = [ D != 0 ] */ \
__ASM_EMIT("andps %%xmm6, %%xmm1") /* xmm1 = [ D !- 0 ] & ((HR & [ R == CMAX ]) | (HG & [ R != CMAX ] & [ G == CMAX ]) | (HB & [ R != CMAX ] & [ G != CMAX ])) */ \
\
__ASM_EMIT("movaps 0x40(%[RGBM]), %%xmm2") /* xmm2 = CMIN */ \
__ASM_EMIT("movaps 0x30(%[XC]), %%xmm6") /* xmm6 = 1 */ \
__ASM_EMIT("movaps %%xmm1, %%xmm0") /* xmm0 = h */ \
__ASM_EMIT("addps 0x50(%[RGBM]), %%xmm2") /* xmm2 = CMAX + CMIN */ \
__ASM_EMIT("movaps %%xmm6, %%xmm5") /* xmm5 = 1 */ \
__ASM_EMIT("movaps %%xmm7, %%xmm1") /* xmm1 = D */ \
__ASM_EMIT("mulps 0x40(%[XC]), %%xmm2") /* xmm2 = L = 0.5 * (CMAX+CMIN) */ \
__ASM_EMIT("xorps %%xmm4, %%xmm4") /* xmm4 = 0 */ \
__ASM_EMIT("movaps %%xmm2, %%xmm3") /* xmm3 = L */ \
__ASM_EMIT("subps %%xmm2, %%xmm5") /* xmm5 = 1 - L */ \
__ASM_EMIT("cmpps $4, %%xmm2, %%xmm4") /* xmm4 = [ L != 0 ] */ \
__ASM_EMIT("cmpps $4, 0x30(%[XC]), %%xmm3") /* xmm3 = [ L != 1 ] */ \
__ASM_EMIT("movaps 0x40(%[XC]), %%xmm6") /* xmm6 = 0.5 */ \
__ASM_EMIT("divps %%xmm2, %%xmm1") /* xmm1 = D / L */ \
__ASM_EMIT("divps %%xmm5, %%xmm7") /* xmm7 = D / (1-L) */ \
__ASM_EMIT("cmpps $6, %%xmm2, %%xmm6") /* xmm6 = [ L < 0.5 ] */ \
__ASM_EMIT("andps %%xmm4, %%xmm1") /* xmm1 = [ L != 0 ] & (D/L) */ \
__ASM_EMIT("andps %%xmm3, %%xmm7") /* xmm7 = [ L != 1 ] & (D/(1-L)) */ \
__ASM_EMIT("andps %%xmm6, %%xmm1") /* xmm1 = [ L != 0 ] & [ L < 0.5 ] & (D/L) */ \
__ASM_EMIT("mulps 0x50(%[XC]), %%xmm0") /* xmm0 = H = h * 1/6 */ \
__ASM_EMIT("andnps %%xmm7, %%xmm6") /* xmm6 = [ L > 0.5 ] & (D/(1-L)) */ \
__ASM_EMIT("orps %%xmm6, %%xmm1") /* xmm1 = s = ([ L != 0 ] & [ L < 0.5 ] & (D/L)) | ([ L != 1 ] & (D/(1-L))) */ \
__ASM_EMIT("movaps 0x30(%[RGBM]), %%xmm3") /* xmm3 = A */ \
__ASM_EMIT("mulps 0x40(%[XC]), %%xmm1") /* xmm1 = S = s * 0.5 */ \
\
/* Transpose back */ \
HSLA_TRANSPOSE
/*
float cmax = (R < G) ? ((B < G) ? G : B) : ((B < R) ? R : B);
float cmin = (R < G) ? ((B < R) ? B : R) : ((B < G) ? B : G);
float d = cmax - cmin;
H = 0.0f;
S = 0.0f;
L = HSL_RGB_0_5 * (cmax + cmin);
// Calculate hue
if (R == cmax)
{
H = (G - B) / d;
if (H < 0.0f)
H += 6.0f;
}
else if (G == cmax)
H = (B - R) / d + 2.0f;
else
H = (R - G) / d + 4.0f;
// Calculate saturation
if (L < 1.0f)
S = d / L;
else if (L > 1.0f)
S = d / (1.0f - L);
// Normalize hue and saturation
H *= HSL_RGB_1_6;
S *= HSL_RGB_0_5;
*/
void rgba_to_hsla(float *dst, const float *src, size_t count)
{
#pragma pack(push, 1)
struct {
float r[4], g[4], b[4], a[4];
float cmin[4], cmax[4];
} rgbm __lsp_aligned16;
#pragma pack(pop)
ARCH_X86_ASM
(
__ASM_EMIT("sub $4, %[count]")
__ASM_EMIT("jb 2f")
//-----------------------------------------------------------------
// 4x blocks
__ASM_EMIT("1:")
__ASM_EMIT("movups 0x00(%[src]), %%xmm0") // xmm0 = r0 g0 b0 a0
__ASM_EMIT("movups 0x10(%[src]), %%xmm1") // xmm1 = r1 g1 b1 a1
__ASM_EMIT("movups 0x20(%[src]), %%xmm2") // xmm2 = r2 g2 b2 a2
__ASM_EMIT("movups 0x30(%[src]), %%xmm3") // xmm3 = r3 g3 b3 a3
RGBA_TO_HSLA_CORE
// Store result
__ASM_EMIT("movups %%xmm0, 0x00(%[dst])")
__ASM_EMIT("movups %%xmm1, 0x10(%[dst])")
__ASM_EMIT("movups %%xmm2, 0x20(%[dst])")
__ASM_EMIT("movups %%xmm3, 0x30(%[dst])")
// Repeat loop
__ASM_EMIT("add $0x40, %[src]")
__ASM_EMIT("add $0x40, %[dst]")
__ASM_EMIT("sub $4, %[count]")
__ASM_EMIT("jae 1b")
__ASM_EMIT("2:")
__ASM_EMIT("add $4, %[count]")
__ASM_EMIT("jle 10f")
//-----------------------------------------------------------------
// 1x - 3x block
// Load last variable-sized chunk
__ASM_EMIT("test $1, %[count]")
__ASM_EMIT("jz 4f")
__ASM_EMIT("movups 0x00(%[src]), %%xmm0")
__ASM_EMIT("add $0x10, %[src]")
__ASM_EMIT("4:")
__ASM_EMIT("test $2, %[count]")
__ASM_EMIT("jz 6f")
__ASM_EMIT("movups 0x00(%[src]), %%xmm1")
__ASM_EMIT("movups 0x10(%[src]), %%xmm2")
__ASM_EMIT("6:")
RGBA_TO_HSLA_CORE
// Store last chunk
__ASM_EMIT("test $1, %[count]")
__ASM_EMIT("jz 8f")
__ASM_EMIT("movups %%xmm0, 0x00(%[dst])")
__ASM_EMIT("add $0x10, %[dst]")
__ASM_EMIT("8:")
__ASM_EMIT("test $2, %[count]")
__ASM_EMIT("jz 10f")
__ASM_EMIT("movups %%xmm1, 0x00(%[dst])")
__ASM_EMIT("movups %%xmm2, 0x10(%[dst])")
__ASM_EMIT("10:")
: [dst] "+r" (dst), [src] "+r" (src), [count] "+r" (count)
: [XC] "r" (RGB_HSL), [RGBM] "r" (&rgbm)
: "cc", "memory",
"%xmm0", "%xmm1", "%xmm2", "%xmm3",
"%xmm4", "%xmm5", "%xmm6", "%xmm7"
);
}
#undef RGBA_TO_HSLA_CORE
#define RGBA_TO_RGBA32_CORE \
HSLA_TRANSPOSE \
\
/* xmm0 = r */ \
/* xmm1 = g */ \
/* xmm2 = b */ \
/* xmm3 = a */ \
__ASM_EMIT("movaps %[XC], %%xmm7") /* xmm7 = 255 */ \
__ASM_EMIT("xorps %%xmm0, %%xmm2") /* xmm2 = b^r */ \
__ASM_EMIT("xorps %%xmm4, %%xmm4") /* xmm4 = 0 */ \
__ASM_EMIT("xorps %%xmm2, %%xmm0") /* xmm0 = r^b^r = b */ \
__ASM_EMIT("xorps %%xmm0, %%xmm2") /* xmm2 = b^r^b = r */ \
__ASM_EMIT("xorps %%xmm5, %%xmm5") /* xmm5 = 0 */ \
__ASM_EMIT("mulps %%xmm7, %%xmm3") /* xmm3 = a * 255 */ \
__ASM_EMIT("subps %%xmm3, %%xmm7") /* xmm7 = A = 255 - a*255 */ \
__ASM_EMIT("movaps %%xmm7, %%xmm3") /* xmm3 = A */ \
__ASM_EMIT("mulps %%xmm7, %%xmm0") /* xmm0 = B = b * A */ \
__ASM_EMIT("mulps %%xmm3, %%xmm1") /* xmm1 = G = g * A */ \
__ASM_EMIT("mulps %%xmm7, %%xmm2") /* xmm2 = R = r * A */ \
__ASM_EMIT("cmpps $2, %%xmm0, %%xmm4") /* xmm4 = [ B >= 0 ] */ \
__ASM_EMIT("cmpps $2, %%xmm1, %%xmm5") /* xmm5 = [ G >= 0 ] */ \
__ASM_EMIT("xorps %%xmm6, %%xmm6") /* xmm6 = 0 */ \
__ASM_EMIT("xorps %%xmm7, %%xmm7") /* xmm7 = 0 */ \
__ASM_EMIT("cmpps $2, %%xmm2, %%xmm6") /* xmm6 = [ R >= 0 ] */ \
__ASM_EMIT("cmpps $2, %%xmm3, %%xmm7") /* xmm7 = [ A >= 0 ] */ \
__ASM_EMIT("andps %%xmm4, %%xmm0") /* xmm0 = B & [ B >= 0 ] */ \
__ASM_EMIT("andps %%xmm5, %%xmm1") /* xmm1 = G & [ G >= 0 ] */ \
__ASM_EMIT("andps %%xmm6, %%xmm2") /* xmm2 = R & [ R >= 0 ] */ \
__ASM_EMIT("andps %%xmm7, %%xmm3") /* xmm3 = A & [ A >= 0 ] */ \
\
HSLA_TRANSPOSE \
/* xmm0 = b0 g0 r0 a0 */ \
/* xmm1 = b1 g1 r1 a1 */ \
/* xmm2 = b2 g2 r2 a2 */ \
/* xmm3 = b3 g3 r3 a3 */ \
\
__ASM_EMIT("cvtps2dq %%xmm0, %%xmm0") /* xmm0 = int(b0 g0 r0 a0) */ \
__ASM_EMIT("cvtps2dq %%xmm1, %%xmm1") /* xmm1 = int(b1 g1 r1 a1) */ \
__ASM_EMIT("cvtps2dq %%xmm2, %%xmm2") /* xmm2 = int(b2 g2 r2 a2) */ \
__ASM_EMIT("cvtps2dq %%xmm3, %%xmm3") /* xmm3 = int(b3 g3 r3 a3) */ \
__ASM_EMIT("packssdw %%xmm1, %%xmm0") /* xmm0 = b0 g0 r0 a0 b1 g1 r1 a1 */ \
__ASM_EMIT("packssdw %%xmm3, %%xmm2") /* xmm2 = b2 g2 r2 a2 b3 g3 r3 a3 */ \
__ASM_EMIT("packuswb %%xmm2, %%xmm0") /* xmm0 = b0 g0 r0 a0 b1 g1 r1 a1 b2 g2 r2 a2 b3 g3 r3 a3 */
void rgba_to_bgra32(void *dst, const float *src, size_t count)
{
uint32_t mxcsr1, mxcsr2;
uint32_t tmp;
ARCH_X86_ASM
(
// Set rounding mode to zero
__ASM_EMIT("stmxcsr %[mxcsr1]")
__ASM_EMIT("movl %[mxcsr1], %[tmp]")
__ASM_EMIT("or $0x6000, %[tmp]")
__ASM_EMIT("movl %[tmp], %[mxcsr2]")
__ASM_EMIT("ldmxcsr %[mxcsr2]")
__ASM_EMIT("sub $4, %[count]")
__ASM_EMIT("jb 2f")
//-----------------------------------------------------------------
// 4x blocks
__ASM_EMIT("1:")
__ASM_EMIT("movups 0x00(%[src]), %%xmm0") // xmm0 = r0 g0 b0 a0
__ASM_EMIT("movups 0x10(%[src]), %%xmm1") // xmm1 = r1 g1 b1 a1
__ASM_EMIT("movups 0x20(%[src]), %%xmm2") // xmm2 = r2 g2 b2 a2
__ASM_EMIT("movups 0x30(%[src]), %%xmm3") // xmm3 = r3 g3 b3 a3
RGBA_TO_RGBA32_CORE
// Store result
__ASM_EMIT("movdqu %%xmm0, 0x00(%[dst])")
// Repeat loop
__ASM_EMIT("add $0x40, %[src]")
__ASM_EMIT("add $0x10, %[dst]")
__ASM_EMIT("sub $4, %[count]")
__ASM_EMIT("jae 1b")
__ASM_EMIT("2:")
__ASM_EMIT("add $4, %[count]")
__ASM_EMIT("jle 10f")
//-----------------------------------------------------------------
// 1x - 3x block
// Load last variable-sized chunk
__ASM_EMIT("test $2, %[count]")
__ASM_EMIT("jz 4f")
__ASM_EMIT("movups 0x00(%[src]), %%xmm0")
__ASM_EMIT("movups 0x10(%[src]), %%xmm1")
__ASM_EMIT("add $0x20, %[src]")
__ASM_EMIT("4:")
__ASM_EMIT("test $1, %[count]")
__ASM_EMIT("jz 6f")
__ASM_EMIT("movups 0x00(%[src]), %%xmm2")
__ASM_EMIT("6:")
RGBA_TO_RGBA32_CORE
// Store last chunk
__ASM_EMIT("test $2, %[count]")
__ASM_EMIT("jz 8f")
__ASM_EMIT("movlps %%xmm0, 0x00(%[dst])")
__ASM_EMIT("add $0x08, %[dst]")
__ASM_EMIT("8:")
__ASM_EMIT("test $1, %[count]")
__ASM_EMIT("jz 10f")
__ASM_EMIT("movhlps %%xmm0, %%xmm0")
__ASM_EMIT("movss %%xmm0, 0x00(%[dst])")
__ASM_EMIT("10:")
// Restore rounding mode
__ASM_EMIT("ldmxcsr %[mxcsr1]")
: [dst] "+r" (dst), [src] "+r" (src), [count] "+r" (count),
[tmp] "=&r" (tmp)
: [XC] "m" (RGBA_TO_BGRA32),
[mxcsr1] "m" (mxcsr1),
[mxcsr2] "m" (mxcsr2)
: "cc", "memory",
"%xmm0", "%xmm1", "%xmm2", "%xmm3",
"%xmm4", "%xmm5", "%xmm6", "%xmm7"
);
}
#undef RGBA_TO_RGBA32_CORE
#undef HSLA_TRANSPOSE
}
}
#endif /* PRIVATE_DSP_ARCH_X86_SSE2_GRAPHICS_H_ */
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