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Disable SSE stuff

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This commit is contained in:
Magnus Norddahl 2017-01-10 13:45:14 +01:00
parent c4573fa343
commit 8fc6660a4a
1 changed files with 14 additions and 0 deletions
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14
src/swrenderer/drawers/r_draw_pal.cpp
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@ -33,7 +33,13 @@
**
*/
#ifdef __arm__
#define NO_SSE
#endif
#ifndef NO_SSE
#include <xmmintrin.h>
#endif
#include "templates.h"
#include "doomtype.h"
#include "doomdef.h"
@ -132,7 +138,11 @@ namespace swrenderer
float Lxy2 = lights[i].x; // L.x*L.x + L.y*L.y
float Lz = lights[i].z - viewpos_z;
float dist2 = Lxy2 + Lz * Lz;
#ifdef NO_SSE
float rcp_dist = 1.0f / (dist2 * 0.01f);
#else
float rcp_dist = _mm_cvtss_f32(_mm_rsqrt_ss(_mm_load_ss(&dist2)));
#endif
float dist = dist2 * rcp_dist;
float distance_attenuation = (256.0f - MIN(dist * lights[i].radius, 256.0f));
@ -1742,7 +1752,11 @@ namespace swrenderer
float Lyz2 = lights[i].y; // L.y*L.y + L.z*L.z
float Lx = lights[i].x - viewpos_x;
float dist2 = Lyz2 + Lx * Lx;
#ifdef NO_SSE
float rcp_dist = 1.0f / (dist2 * 0.01f);
#else
float rcp_dist = _mm_cvtss_f32(_mm_rsqrt_ss(_mm_load_ss(&dist2)));
#endif
float dist = dist2 * rcp_dist;
float distance_attenuation = (256.0f - MIN(dist * lights[i].radius, 256.0f));