diff options
author | Roland Scheidegger <sroland@vmware.com> | 2010-03-30 01:52:13 +0200 |
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committer | Roland Scheidegger <sroland@vmware.com> | 2010-03-30 01:52:13 +0200 |
commit | 733df0059f04e3fd7e3265d3c80dd8029f939c60 (patch) | |
tree | 5073edcb41611b86c9a62fa75c2c089fd2babf48 /src/mesa/shader | |
parent | 6fb364a1717858d8201b2caf234076ce5d4832ac (diff) | |
parent | 5fa09846618ed702493f054a1d4b0ec2a28fbbd0 (diff) |
Merge branch 'master' into gallium-new-formats
Conflicts:
src/gallium/auxiliary/util/u_format.csv
Diffstat (limited to 'src/mesa/shader')
-rw-r--r-- | src/mesa/shader/slang/library/slang_common_builtin.gc | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/src/mesa/shader/slang/library/slang_common_builtin.gc b/src/mesa/shader/slang/library/slang_common_builtin.gc index a25ca55bc4..d75354deff 100644 --- a/src/mesa/shader/slang/library/slang_common_builtin.gc +++ b/src/mesa/shader/slang/library/slang_common_builtin.gc @@ -605,7 +605,7 @@ float sqrt(const float x) const float nx = -x; float r; __asm float_rsq r, x; - __asm float_rcp r, r; + r = r * x; __asm vec4_cmp __retVal, nx, r, 0.0; } @@ -615,8 +615,7 @@ vec2 sqrt(const vec2 x) vec2 r; __asm float_rsq r.x, x.x; __asm float_rsq r.y, x.y; - __asm float_rcp r.x, r.x; - __asm float_rcp r.y, r.y; + r = r * x; __asm vec4_cmp __retVal, nx, r, zero; } @@ -627,9 +626,7 @@ vec3 sqrt(const vec3 x) __asm float_rsq r.x, x.x; __asm float_rsq r.y, x.y; __asm float_rsq r.z, x.z; - __asm float_rcp r.x, r.x; - __asm float_rcp r.y, r.y; - __asm float_rcp r.z, r.z; + r = r * x; __asm vec4_cmp __retVal, nx, r, zero; } @@ -641,10 +638,7 @@ vec4 sqrt(const vec4 x) __asm float_rsq r.y, x.y; __asm float_rsq r.z, x.z; __asm float_rsq r.w, x.w; - __asm float_rcp r.x, r.x; - __asm float_rcp r.y, r.y; - __asm float_rcp r.z, r.z; - __asm float_rcp r.w, r.w; + r = r * x; __asm vec4_cmp __retVal, nx, r, zero; } @@ -1166,7 +1160,7 @@ float length(const vec2 v) float r; const float p = dot(v, v); // p = v.x * v.x + v.y * v.y __asm float_rsq r, p; // r = 1 / sqrt(p) - __asm float_rcp __retVal.x, r; // retVal = 1 / r + __retVal = p * r; // p * r = sqrt(p); } float length(const vec3 v) @@ -1174,7 +1168,7 @@ float length(const vec3 v) float r; const float p = dot(v, v); // p = v.x * v.x + v.y * v.y + v.z * v.z __asm float_rsq r, p; // r = 1 / sqrt(p) - __asm float_rcp __retVal, r; // retVal = 1 / r + __retVal = p * r; // p * r = sqrt(p); } float length(const vec4 v) @@ -1182,7 +1176,7 @@ float length(const vec4 v) float r; const float p = dot(v, v); // p = v.x * v.x + v.y * v.y + ... __asm float_rsq r, p; // r = 1 / sqrt(p) - __asm float_rcp __retVal, r; // retVal = 1 / r + __retVal = p * r; // p * r = sqrt(p); } |