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lib: put SSE intrinsics behind an ifdef

This commit is contained in:
K. Lange 2019-03-19 10:10:55 +09:00
parent f1892b70dd
commit ef149df1e2
2 changed files with 15 additions and 1 deletions
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6
lib/graphics.c
View File

@ -14,8 +14,10 @@
#include <sys/ioctl.h> #include <sys/ioctl.h>
#ifndef NO_SSE
#include <xmmintrin.h> #include <xmmintrin.h>
#include <emmintrin.h> #include <emmintrin.h>
#endif
#include <kernel/video.h> #include <kernel/video.h>
@ -517,6 +519,7 @@ _cleanup_sprite:
free(bufferb); free(bufferb);
} }
#ifndef NO_SSE
static __m128i mask00ff; static __m128i mask00ff;
static __m128i mask0080; static __m128i mask0080;
static __m128i mask0101; static __m128i mask0101;
@ -526,6 +529,7 @@ __attribute__((constructor)) static void _masks(void) {
mask0080 = _mm_set1_epi16(0x0080); mask0080 = _mm_set1_epi16(0x0080);
mask0101 = _mm_set1_epi16(0x0101); mask0101 = _mm_set1_epi16(0x0101);
} }
#endif
__attribute__((__force_align_arg_pointer__)) __attribute__((__force_align_arg_pointer__))
void draw_sprite(gfx_context_t * ctx, sprite_t * sprite, int32_t x, int32_t y) { void draw_sprite(gfx_context_t * ctx, sprite_t * sprite, int32_t x, int32_t y) {
@ -547,7 +551,7 @@ void draw_sprite(gfx_context_t * ctx, sprite_t * sprite, int32_t x, int32_t y) {
/* Alpha embedded is the most important step. */ /* Alpha embedded is the most important step. */
for (uint16_t _y = 0; _y < sprite->height; ++_y) { for (uint16_t _y = 0; _y < sprite->height; ++_y) {
if (!_is_in_clip(ctx, y + _y)) continue; if (!_is_in_clip(ctx, y + _y)) continue;
#if 0 #ifdef NO_SSE
for (uint16_t _x = 0; _x < sprite->width; ++_x) { for (uint16_t _x = 0; _x < sprite->width; ++_x) {
if (x + _x < _left || x + _x > _right || y + _y < _top || y + _y > _bottom) if (x + _x < _left || x + _x > _right || y + _y < _top || y + _y > _bottom)
continue; continue;

10
lib/jpeg.c
View File

@ -38,8 +38,10 @@
#include <toaru/graphics.h> #include <toaru/graphics.h>
#ifndef NO_SSE
#include <xmmintrin.h> #include <xmmintrin.h>
#include <emmintrin.h> #include <emmintrin.h>
#endif
#if 0 #if 0
#include <toaru/trace.h> #include <toaru/trace.h>
@ -226,6 +228,13 @@ static float cosines[8][8] = {
static float premul[8][8][8][8]= {{{{0}}}}; static float premul[8][8][8][8]= {{{{0}}}};
static void add_idc(struct idct * self, int n, int m, int coeff) { static void add_idc(struct idct * self, int n, int m, int coeff) {
#ifdef NO_SSE
for (int y = 0; y < 8; ++y) {
for (int x = 0; x < 8; ++x) {
self->base[xy_to_lin(x, y)] += premul[n][m][y][x] * coeff;
}
}
#else
__m128 c = _mm_set_ps(coeff,coeff,coeff,coeff); __m128 c = _mm_set_ps(coeff,coeff,coeff,coeff);
for (int y = 0; y < 8; ++y) { for (int y = 0; y < 8; ++y) {
__m128 a, b; __m128 a, b;
@ -245,6 +254,7 @@ static void add_idc(struct idct * self, int n, int m, int coeff) {
a = _mm_add_ps(a,b); a = _mm_add_ps(a,b);
_mm_store_ps(&self->base[xy_to_lin(4,y)], a); _mm_store_ps(&self->base[xy_to_lin(4,y)], a);
} }
#endif
} }
static void add_zigzag(struct idct * self, int zi, int coeff) { static void add_zigzag(struct idct * self, int zi, int coeff) {