Merge branch 'master' into gallium-new-formats

Conflicts:
	src/gallium/auxiliary/util/u_format.csv

2 files changed, 8 insertions, 14 deletions

diff --git a/src/mesa/shader/slang/library/slang_common_builtin.gc b/src/mesa/shader/slang/library/slang_common_builtin.gc
index a25ca55bc42..d75354deffe 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);
 }
 
 
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index 8cdd3ff2ae2..390ada5489c 100644
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -934,7 +934,7 @@ st_get_tex_image(GLcontext * ctx, GLenum target, GLint level,
    GLubyte *dest;
 
    if (stImage->pt &&
-       util_format_is_compressed(stImage->pt->format) &&
+       util_format_is_s3tc(stImage->pt->format) &&
        !compressed_dst) {
       /* Need to decompress the texture.
        * We'll do this by rendering a textured quad.