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/*
* Copyright (C) 2022 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2022 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-dsp-lib
* Created on: 27 июл. 2022 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_AVX_GRAPHICS_PIXELFMT_H_
#define PRIVATE_DSP_ARCH_X86_AVX_GRAPHICS_PIXELFMT_H_
#ifndef PRIVATE_DSP_ARCH_X86_AVX_IMPL
#error "This header should not be included directly"
#endif /* PRIVATE_DSP_ARCH_X86_AVX_IMPL */
namespace lsp
{
namespace avx
{
IF_ARCH_X86(
static const uint32_t pabc32_set_alpha_const[] __lsp_aligned16 =
{
LSP_DSP_VEC4(0x00ffffff)
};
)
void pabc32_set_alpha(void *dst, const void *src, uint8_t alpha, size_t count)
{
IF_ARCH_X86(
size_t off;
uint32_t value = uint32_t(alpha) << 24;
);
ARCH_X86_ASM
(
__ASM_EMIT("vmovdqa %[MASK], %%xmm1") // xmm1 = 00 ff ff ff
__ASM_EMIT("vpshufd $0x00, %%xmm0, %%xmm0") // xmm0 = vv vv vv vv
__ASM_EMIT("xor %[off], %[off]") // off = 0
// 24-element blocks
__ASM_EMIT("sub $24, %[count]")
__ASM_EMIT("jb 2f")
__ASM_EMIT("1:")
__ASM_EMIT("vpand 0x00(%[src], %[off]), %%xmm1, %%xmm2") // xmm2 = 00 XX YY ZZ
__ASM_EMIT("vpand 0x10(%[src], %[off]), %%xmm1, %%xmm3")
__ASM_EMIT("vpand 0x20(%[src], %[off]), %%xmm1, %%xmm4")
__ASM_EMIT("vpor %%xmm0, %%xmm2, %%xmm2") // xmm2 = VV XX YY ZZ
__ASM_EMIT("vpand 0x30(%[src], %[off]), %%xmm1, %%xmm5")
__ASM_EMIT("vpor %%xmm0, %%xmm3, %%xmm3")
__ASM_EMIT("vpand 0x40(%[src], %[off]), %%xmm1, %%xmm6")
__ASM_EMIT("vpor %%xmm0, %%xmm4, %%xmm4")
__ASM_EMIT("vpand 0x50(%[src], %[off]), %%xmm1, %%xmm7")
__ASM_EMIT("vmovdqu %%xmm2, 0x00(%[dst], %[off])")
__ASM_EMIT("vpor %%xmm0, %%xmm5, %%xmm5")
__ASM_EMIT("vmovdqu %%xmm3, 0x10(%[dst], %[off])")
__ASM_EMIT("vpor %%xmm0, %%xmm6, %%xmm6")
__ASM_EMIT("vmovdqu %%xmm4, 0x20(%[dst], %[off])")
__ASM_EMIT("vpor %%xmm0, %%xmm7, %%xmm7")
__ASM_EMIT("vmovdqu %%xmm5, 0x30(%[dst], %[off])")
__ASM_EMIT("vmovdqu %%xmm6, 0x40(%[dst], %[off])")
__ASM_EMIT("vmovdqu %%xmm7, 0x50(%[dst], %[off])")
__ASM_EMIT("add $0x60, %[off]")
__ASM_EMIT("sub $24, %[count]")
__ASM_EMIT("jae 1b")
// 16-element block
__ASM_EMIT("2:")
__ASM_EMIT("add $8, %[count]")
__ASM_EMIT("jl 4f")
__ASM_EMIT("vpand 0x00(%[src], %[off]), %%xmm1, %%xmm2") // xmm2 = 00 XX YY ZZ
__ASM_EMIT("vpand 0x10(%[src], %[off]), %%xmm1, %%xmm3")
__ASM_EMIT("vpand 0x20(%[src], %[off]), %%xmm1, %%xmm4")
__ASM_EMIT("vpand 0x30(%[src], %[off]), %%xmm1, %%xmm5")
__ASM_EMIT("vpor %%xmm0, %%xmm2, %%xmm2") // xmm2 = VV XX YY ZZ
__ASM_EMIT("vpor %%xmm0, %%xmm3, %%xmm3")
__ASM_EMIT("vpor %%xmm0, %%xmm4, %%xmm4")
__ASM_EMIT("vpor %%xmm0, %%xmm5, %%xmm5")
__ASM_EMIT("vmovdqu %%xmm2, 0x00(%[dst], %[off])")
__ASM_EMIT("vmovdqu %%xmm3, 0x10(%[dst], %[off])")
__ASM_EMIT("vmovdqu %%xmm4, 0x20(%[dst], %[off])")
__ASM_EMIT("vmovdqu %%xmm5, 0x30(%[dst], %[off])")
__ASM_EMIT("add $0x40, %[off]")
__ASM_EMIT("sub $16, %[count]")
// 8-element block
__ASM_EMIT("4:")
__ASM_EMIT("add $8, %[count]")
__ASM_EMIT("jl 6f")
__ASM_EMIT("vpand 0x00(%[src], %[off]), %%xmm1, %%xmm2") // xmm2 = 00 XX YY ZZ
__ASM_EMIT("vpand 0x10(%[src], %[off]), %%xmm1, %%xmm3")
__ASM_EMIT("vpor %%xmm0, %%xmm2, %%xmm2") // xmm2 = VV XX YY ZZ
__ASM_EMIT("vpor %%xmm0, %%xmm3, %%xmm3")
__ASM_EMIT("vmovdqu %%xmm2, 0x00(%[dst], %[off])")
__ASM_EMIT("vmovdqu %%xmm3, 0x10(%[dst], %[off])")
__ASM_EMIT("add $0x20, %[off]")
__ASM_EMIT("sub $8, %[count]")
// 4-element block
__ASM_EMIT("6:")
__ASM_EMIT("add $4, %[count]")
__ASM_EMIT("jl 8f")
__ASM_EMIT("vpand 0x00(%[src], %[off]), %%xmm1, %%xmm2") // xmm2 = 00 XX YY ZZ
__ASM_EMIT("vpor %%xmm0, %%xmm2, %%xmm2") // xmm2 = VV XX YY ZZ
__ASM_EMIT("vmovdqu %%xmm2, 0x00(%[dst], %[off])")
__ASM_EMIT("add $0x10, %[off]")
__ASM_EMIT("sub $4, %[count]")
// Tail
__ASM_EMIT("8:")
__ASM_EMIT("add $3, %[count]")
__ASM_EMIT("jl 10f")
__ASM_EMIT("9:")
__ASM_EMIT("vmovd 0x00(%[src], %[off]), %%xmm2") // xmm2 = AA XX YY ZZ
__ASM_EMIT("vpand %%xmm1, %%xmm2, %%xmm2") // xmm2 = 00 XX YY ZZ
__ASM_EMIT("vpor %%xmm0, %%xmm2, %%xmm2") // xmm2 = VV XX YY ZZ
__ASM_EMIT("vmovd %%xmm2, 0x00(%[dst], %[off])")
__ASM_EMIT("add $4, %[off]")
__ASM_EMIT("dec %[count]")
__ASM_EMIT("jge 9b")
// End
__ASM_EMIT("10:")
: [dst] "+r"(dst), [src] "+r"(src), [count] "+r" (count),
[off] "=&r" (off), [value] "+Yz" (value)
: [MASK] "m" (pabc32_set_alpha_const)
: "cc", "memory",
"%xmm1", "%xmm2", "%xmm3",
"%xmm4", "%xmm5", "%xmm6", "%xmm7"
);
}
} /* namespace avx */
} /* namespace lsp */
#endif /* PRIVATE_DSP_ARCH_X86_AVX_GRAPHICS_PIXELFMT_H_ */
|
