implement biased texture functions

6 files changed, 238 insertions, 178 deletions

diff --git a/src/mesa/shader/slang/library/slang_common_builtin.gc b/src/mesa/shader/slang/library/slang_common_builtin.gc
index b4720a12e0..822cc3e989 100644
--- a/src/mesa/shader/slang/library/slang_common_builtin.gc
+++ b/src/mesa/shader/slang/library/slang_common_builtin.gc
@@ -1635,7 +1635,7 @@ vec4 texture1DProj(const sampler1D sampler, const vec4 coord)
 
 vec4 texture2D(const sampler2D sampler, const vec2 coord)
 {
-    __asm vec4_tex2d __retVal, sampler, coord;
+   __asm vec4_tex2d __retVal, sampler, coord;
 }
 
 vec4 texture2DProj(const sampler2D sampler, const vec3 coord)
@@ -1649,7 +1649,7 @@ vec4 texture2DProj(const sampler2D sampler, const vec3 coord)
 
 vec4 texture2DProj(const sampler2D sampler, const vec4 coord)
 {
-    __asm vec4_texp2d __retVal, coord;
+   __asm vec4_texp2d __retVal, sampler, coord;
 }
 
 
diff --git a/src/mesa/shader/slang/library/slang_common_builtin_gc.h b/src/mesa/shader/slang/library/slang_common_builtin_gc.h
index 4491d9dbd2..dce92b2ef5 100644
--- a/src/mesa/shader/slang/library/slang_common_builtin_gc.h
+++ b/src/mesa/shader/slang/library/slang_common_builtin_gc.h
@@ -690,77 +690,78 @@
 116,86,97,108,0,0,18,115,97,109,112,108,101,114,0,0,18,99,111,111,114,100,52,0,0,0,0,1,0,12,0,116,
 101,120,116,117,114,101,50,68,80,114,111,106,0,1,1,0,17,115,97,109,112,108,101,114,0,0,1,1,0,12,99,
 111,111,114,100,0,0,0,1,4,118,101,99,52,95,116,101,120,112,50,100,0,18,95,95,114,101,116,86,97,108,
-0,0,18,99,111,111,114,100,0,0,0,0,1,0,12,0,116,101,120,116,117,114,101,51,68,0,1,1,0,18,115,97,109,
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-95,95,114,101,116,86,97,108,0,0,18,115,97,109,112,108,101,114,0,0,18,99,111,111,114,100,0,0,0,0,1,
-0,12,0,116,101,120,116,117,114,101,51,68,80,114,111,106,0,1,1,0,18,115,97,109,112,108,101,114,0,0,
-1,1,0,12,99,111,111,114,100,0,0,0,1,4,118,101,99,52,95,116,101,120,112,51,100,0,18,95,95,114,101,
-116,86,97,108,0,0,18,115,97,109,112,108,101,114,0,0,18,99,111,111,114,100,0,0,0,0,1,0,12,0,116,101,
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+115,101,50,0,1,0,0,10,120,0,0,0,1,8,58,118,101,99,50,0,58,110,111,105,115,101,49,0,18,120,0,0,0,0,
+58,110,111,105,115,101,49,0,18,120,0,58,118,101,99,50,0,17,49,57,0,51,52,0,0,0,17,55,0,54,54,0,0,0,
+0,46,0,0,0,0,0,0,1,0,10,0,110,111,105,115,101,50,0,1,0,0,11,120,0,0,0,1,8,58,118,101,99,50,0,58,
+110,111,105,115,101,49,0,18,120,0,0,0,0,58,110,111,105,115,101,49,0,18,120,0,58,118,101,99,51,0,17,
+49,57,0,51,52,0,0,0,17,55,0,54,54,0,0,0,17,51,0,50,51,0,0,0,0,46,0,0,0,0,0,0,1,0,10,0,110,111,105,
+115,101,50,0,1,0,0,12,120,0,0,0,1,8,58,118,101,99,50,0,58,110,111,105,115,101,49,0,18,120,0,0,0,0,
+58,110,111,105,115,101,49,0,18,120,0,58,118,101,99,52,0,17,49,57,0,51,52,0,0,0,17,55,0,54,54,0,0,0,
+17,51,0,50,51,0,0,0,17,50,0,55,55,0,0,0,0,46,0,0,0,0,0,0,1,0,11,0,110,111,105,115,101,51,0,1,0,0,9,
+120,0,0,0,1,8,58,118,101,99,51,0,58,110,111,105,115,101,49,0,18,120,0,0,0,0,58,110,111,105,115,101,
+49,0,18,120,0,17,49,57,0,51,52,0,0,46,0,0,0,58,110,111,105,115,101,49,0,18,120,0,17,53,0,52,55,0,0,
+46,0,0,0,0,0,0,1,0,11,0,110,111,105,115,101,51,0,1,0,0,10,120,0,0,0,1,8,58,118,101,99,51,0,58,110,
+111,105,115,101,49,0,18,120,0,0,0,0,58,110,111,105,115,101,49,0,18,120,0,58,118,101,99,50,0,17,49,
+57,0,51,52,0,0,0,17,55,0,54,54,0,0,0,0,46,0,0,0,58,110,111,105,115,101,49,0,18,120,0,58,118,101,99,
+50,0,17,53,0,52,55,0,0,0,17,49,55,0,56,53,0,0,0,0,46,0,0,0,0,0,0,1,0,11,0,110,111,105,115,101,51,0,
+1,0,0,11,120,0,0,0,1,8,58,118,101,99,51,0,58,110,111,105,115,101,49,0,18,120,0,0,0,0,58,110,111,
+105,115,101,49,0,18,120,0,58,118,101,99,51,0,17,49,57,0,51,52,0,0,0,17,55,0,54,54,0,0,0,17,51,0,50,
+51,0,0,0,0,46,0,0,0,58,110,111,105,115,101,49,0,18,120,0,58,118,101,99,51,0,17,53,0,52,55,0,0,0,17,
+49,55,0,56,53,0,0,0,17,49,49,0,48,52,0,0,0,0,46,0,0,0,0,0,0,1,0,11,0,110,111,105,115,101,51,0,1,0,
+0,12,120,0,0,0,1,8,58,118,101,99,51,0,58,110,111,105,115,101,49,0,18,120,0,0,0,0,58,110,111,105,
+115,101,49,0,18,120,0,58,118,101,99,52,0,17,49,57,0,51,52,0,0,0,17,55,0,54,54,0,0,0,17,51,0,50,51,
+0,0,0,17,50,0,55,55,0,0,0,0,46,0,0,0,58,110,111,105,115,101,49,0,18,120,0,58,118,101,99,52,0,17,53,
+0,52,55,0,0,0,17,49,55,0,56,53,0,0,0,17,49,49,0,48,52,0,0,0,17,49,51,0,49,57,0,0,0,0,46,0,0,0,0,0,
+0,1,0,12,0,110,111,105,115,101,52,0,1,0,0,9,120,0,0,0,1,8,58,118,101,99,52,0,58,110,111,105,115,
+101,49,0,18,120,0,0,0,0,58,110,111,105,115,101,49,0,18,120,0,17,49,57,0,51,52,0,0,46,0,0,0,58,110,
+111,105,115,101,49,0,18,120,0,17,53,0,52,55,0,0,46,0,0,0,58,110,111,105,115,101,49,0,18,120,0,17,
+50,51,0,53,52,0,0,46,0,0,0,0,0,0,1,0,12,0,110,111,105,115,101,52,0,1,0,0,10,120,0,0,0,1,8,58,118,
+101,99,52,0,58,110,111,105,115,101,49,0,18,120,0,0,0,0,58,110,111,105,115,101,49,0,18,120,0,58,118,
+101,99,50,0,17,49,57,0,51,52,0,0,0,17,55,0,54,54,0,0,0,0,46,0,0,0,58,110,111,105,115,101,49,0,18,
+120,0,58,118,101,99,50,0,17,53,0,52,55,0,0,0,17,49,55,0,56,53,0,0,0,0,46,0,0,0,58,110,111,105,115,
+101,49,0,18,120,0,58,118,101,99,50,0,17,50,51,0,53,52,0,0,0,17,50,57,0,49,49,0,0,0,0,46,0,0,0,0,0,
+0,1,0,12,0,110,111,105,115,101,52,0,1,0,0,11,120,0,0,0,1,8,58,118,101,99,52,0,58,110,111,105,115,
+101,49,0,18,120,0,0,0,0,58,110,111,105,115,101,49,0,18,120,0,58,118,101,99,51,0,17,49,57,0,51,52,0,
+0,0,17,55,0,54,54,0,0,0,17,51,0,50,51,0,0,0,0,46,0,0,0,58,110,111,105,115,101,49,0,18,120,0,58,118,
+101,99,51,0,17,53,0,52,55,0,0,0,17,49,55,0,56,53,0,0,0,17,49,49,0,48,52,0,0,0,0,46,0,0,0,58,110,
+111,105,115,101,49,0,18,120,0,58,118,101,99,51,0,17,50,51,0,53,52,0,0,0,17,50,57,0,49,49,0,0,0,17,
+51,49,0,57,49,0,0,0,0,46,0,0,0,0,0,0,1,0,12,0,110,111,105,115,101,52,0,1,0,0,12,120,0,0,0,1,8,58,
+118,101,99,52,0,58,110,111,105,115,101,49,0,18,120,0,0,0,0,58,110,111,105,115,101,49,0,18,120,0,58,
+118,101,99,52,0,17,49,57,0,51,52,0,0,0,17,55,0,54,54,0,0,0,17,51,0,50,51,0,0,0,17,50,0,55,55,0,0,0,
+0,46,0,0,0,58,110,111,105,115,101,49,0,18,120,0,58,118,101,99,52,0,17,53,0,52,55,0,0,0,17,49,55,0,
+56,53,0,0,0,17,49,49,0,48,52,0,0,0,17,49,51,0,49,57,0,0,0,0,46,0,0,0,58,110,111,105,115,101,49,0,
+18,120,0,58,118,101,99,52,0,17,50,51,0,53,52,0,0,0,17,50,57,0,49,49,0,0,0,17,51,49,0,57,49,0,0,0,
+17,51,55,0,52,56,0,0,0,0,46,0,0,0,0,0,0,0
diff --git a/src/mesa/shader/slang/library/slang_fragment_builtin.gc b/src/mesa/shader/slang/library/slang_fragment_builtin.gc
index 474535bfb1..1c099a673b 100644
--- a/src/mesa/shader/slang/library/slang_fragment_builtin.gc
+++ b/src/mesa/shader/slang/library/slang_fragment_builtin.gc
@@ -42,74 +42,112 @@ varying vec4 gl_SecondaryColor;
 varying vec4 gl_TexCoord[gl_MaxTextureCoords];
 varying float gl_FogFragCoord;
 
-//
-// 8.7 Texture Lookup Functions
-//
 
-vec4 texture1D (sampler1D sampler, float coord, float bias) {
-    vec4 texel;
-    __asm vec4_tex1d texel, sampler, coord, bias;
-    return texel;
+
+//// 8.7 Texture Lookup Functions (with bias)
+
+vec4 texture1D(const sampler1D sampler, const float coord, const float bias)
+{
+   vec4 coord4;
+   coord4.x = coord;
+   coord4.w = bias;
+   __asm vec4_texb1d __retVal, sampler, coord4;
 }
 
-vec4 texture1DProj (sampler1D sampler, vec2 coord, float bias) {
-    return texture1D (sampler, coord.s / coord.t, bias);
+vec4 texture1DProj(const sampler1D sampler, const vec2 coord, const float bias)
+{
+   // do projection here (there's no vec4_texbp1d instruction)
+   vec4 pcoord;
+   pcoord.x = coord.x / coord.y;
+   pcoord.w = bias;
+   __asm vec4_texb1d __retVal, sampler, pcoord;
 }
 
-vec4 texture1DProj (sampler1D sampler, vec4 coord, float bias) {
-    return texture1D (sampler, coord.s / coord.q, bias);
+vec4 texture1DProj(const sampler1D sampler, const vec4 coord, const float bias)
+{
+   // do projection here (there's no vec4_texbp1d instruction)
+   vec4 pcoord;
+   pcoord.x = coord.x / coord.z;
+   pcoord.w = bias;
+   __asm vec4_texb1d __retVal, sampler, pcoord;
 }
 
-//vec4 texture2D (sampler2D sampler, vec2 coord, float bias) {
-//    vec4 texel;
-//    __asm vec4_tex2d texel, sampler, coord, bias;
-//    return texel;
-//}
 
-//vec4 texture2DProj (sampler2D sampler, vec3 coord, float bias) {
-//    return texture2D (sampler, vec2 (coord.s / coord.p, coord.t / coord.p), bias);
-//}
+vec4 texture2D(const sampler2D sampler, const vec2 coord, const float bias)
+{
+   vec4 coord4;
+   coord4.xy = coord.xy;
+   coord4.w = bias;
+   __asm vec4_texb2d __retVal, sampler, coord4;
+}
 
-//vec4 texture2DProj (sampler2D sampler, vec4 coord, float bias) {
-//    return texture2D (sampler, vec2 (coord.s / coord.q, coord.t / coord.q), bias);
-//}
+vec4 texture2DProj(const sampler2D sampler, const vec3 coord, const float bias)
+{
+   // do projection here (there's no vec4_texbp2d instruction)
+   vec4 pcoord;
+   pcoord.xy = coord.xy / coord.z;
+   pcoord.w = bias;
+   __asm vec4_texb2d __retVal, sampler, pcoord;
+}
 
-vec4 texture3D (sampler3D sampler, vec3 coord, float bias) {
-    vec4 texel;
-    __asm vec4_tex3d texel, sampler, coord, bias;
-    return texel;
+vec4 texture2DProj(const sampler2D sampler, const vec4 coord, const float bias)
+{
+   // do projection here (there's no vec4_texbp2d instruction)
+   vec4 pcoord;
+   pcoord.xy = coord.xy / coord.w;
+   pcoord.w = bias;
+   __asm vec4_texb2d __retVal, sampler, pcoord;
 }
 
-vec4 texture3DProj (sampler3D sampler, vec4 coord, float bias) {
-    return texture3D (sampler, vec3 (coord.s / coord.q, coord.t / coord.q, coord.p / coord.q), bias);
+
+vec4 texture3D(const sampler3D sampler, const vec3 coord, const float bias)
+{
+   vec4 coord4;
+   coord4.xyz = coord.xyz;
+   coord4.w = bias;
+   __asm vec4_texb3d __retVal, sampler, coord4;
 }
 
-vec4 textureCube (samplerCube sampler, vec3 coord, float bias) {
-    vec4 texel;
-    __asm vec4_texcube texel, sampler, coord, bias;
-    return texel;
+vec4 texture3DProj(const sampler3D sampler, const vec4 coord, const float bias)
+{
+   // do projection here (there's no vec4_texbp3d instruction)
+   vec4 pcoord;
+   pcoord.xyz = coord.xyz / coord.w;
+   pcoord.w = bias;
+   __asm vec4_texb3d __retVal, sampler, pcoord;
 }
 
-vec4 shadow1D (sampler1DShadow sampler, vec3 coord, float bias) {
-    vec4 texel;
-    __asm vec4_shad1d texel, sampler, coord, bias;
-    return texel;
+
+vec4 textureCube(const samplerCube sampler, const vec3 coord, const float bias)
+{
+   __asm vec4_texcube __retVal, sampler, coord, bias;
 }
 
-vec4 shadow1DProj (sampler1DShadow sampler, vec4 coord, float bias) {
+
+vec4 shadow1D(const sampler1DShadow sampler, const vec3 coord, const float bias)
+{
+   __asm vec4_shad1d __retVal, sampler, coord, bias;
+}
+
+vec4 shadow1DProj(const sampler1DShadow sampler, const vec4 coord, const float bias)
+{
     return shadow1D (sampler, vec3 (coord.s / coord.q, 0.0, coord.p / coord.q), bias);
 }
 
-vec4 shadow2D (sampler2DShadow sampler, vec3 coord, float bias) {
-    vec4 texel;
-    __asm vec4_shad2d texel, sampler, coord, bias;
-    return texel;
+vec4 shadow2D(const sampler2DShadow sampler, const vec3 coord, const float bias)
+{
+   __asm vec4_shad2d __retVal, sampler, coord, bias;
 }
 
-vec4 shadow2DProj (sampler2DShadow sampler, vec4 coord, float bias) {
-    return shadow2D (sampler, vec3 (coord.s / coord.q, coord.t / coord.q, coord.p / coord.q), bias);
+vec4 shadow2DProj(const sampler2DShadow sampler, const vec4 coord, const float bias)
+{
+   return shadow2D (sampler, vec3 (coord.s / coord.q, coord.t / coord.q, coord.p / coord.q), bias);
 }
 
+
+
+
+
 //
 // 8.8 Fragment Processing Functions
 //
diff --git a/src/mesa/shader/slang/library/slang_fragment_builtin_gc.h b/src/mesa/shader/slang/library/slang_fragment_builtin_gc.h
index 69b90fb9da..a7249ea561 100644
--- a/src/mesa/shader/slang/library/slang_fragment_builtin_gc.h
+++ b/src/mesa/shader/slang/library/slang_fragment_builtin_gc.h
@@ -9,58 +9,79 @@
 108,95,67,111,108,111,114,0,0,0,2,2,3,12,1,103,108,95,83,101,99,111,110,100,97,114,121,67,111,108,
 111,114,0,0,0,2,2,3,12,1,103,108,95,84,101,120,67,111,111,114,100,0,3,18,103,108,95,77,97,120,84,
 101,120,116,117,114,101,67,111,111,114,100,115,0,0,0,2,2,3,9,1,103,108,95,70,111,103,70,114,97,103,
-67,111,111,114,100,0,0,0,1,0,12,0,116,101,120,116,117,114,101,49,68,0,1,0,0,16,115,97,109,112,108,
-101,114,0,0,1,0,0,9,99,111,111,114,100,0,0,1,0,0,9,98,105,97,115,0,0,0,1,3,2,0,12,1,116,101,120,
-101,108,0,0,0,4,118,101,99,52,95,116,101,120,49,100,0,18,116,101,120,101,108,0,0,18,115,97,109,112,
-108,101,114,0,0,18,99,111,111,114,100,0,0,18,98,105,97,115,0,0,0,8,18,116,101,120,101,108,0,0,0,1,
-0,12,0,116,101,120,116,117,114,101,49,68,80,114,111,106,0,1,0,0,16,115,97,109,112,108,101,114,0,0,
-1,0,0,10,99,111,111,114,100,0,0,1,0,0,9,98,105,97,115,0,0,0,1,8,58,116,101,120,116,117,114,101,49,
-68,0,18,115,97,109,112,108,101,114,0,0,18,99,111,111,114,100,0,59,115,0,18,99,111,111,114,100,0,59,
-116,0,49,0,18,98,105,97,115,0,0,0,0,0,1,0,12,0,116,101,120,116,117,114,101,49,68,80,114,111,106,0,
-1,0,0,16,115,97,109,112,108,101,114,0,0,1,0,0,12,99,111,111,114,100,0,0,1,0,0,9,98,105,97,115,0,0,
-0,1,8,58,116,101,120,116,117,114,101,49,68,0,18,115,97,109,112,108,101,114,0,0,18,99,111,111,114,
-100,0,59,115,0,18,99,111,111,114,100,0,59,113,0,49,0,18,98,105,97,115,0,0,0,0,0,1,0,12,0,116,101,
-120,116,117,114,101,51,68,0,1,0,0,18,115,97,109,112,108,101,114,0,0,1,0,0,11,99,111,111,114,100,0,
-0,1,0,0,9,98,105,97,115,0,0,0,1,3,2,0,12,1,116,101,120,101,108,0,0,0,4,118,101,99,52,95,116,101,
-120,51,100,0,18,116,101,120,101,108,0,0,18,115,97,109,112,108,101,114,0,0,18,99,111,111,114,100,0,
-0,18,98,105,97,115,0,0,0,8,18,116,101,120,101,108,0,0,0,1,0,12,0,116,101,120,116,117,114,101,51,68,
-80,114,111,106,0,1,0,0,18,115,97,109,112,108,101,114,0,0,1,0,0,12,99,111,111,114,100,0,0,1,0,0,9,
-98,105,97,115,0,0,0,1,8,58,116,101,120,116,117,114,101,51,68,0,18,115,97,109,112,108,101,114,0,0,
-58,118,101,99,51,0,18,99,111,111,114,100,0,59,115,0,18,99,111,111,114,100,0,59,113,0,49,0,18,99,
-111,111,114,100,0,59,116,0,18,99,111,111,114,100,0,59,113,0,49,0,18,99,111,111,114,100,0,59,112,0,
-18,99,111,111,114,100,0,59,113,0,49,0,0,0,18,98,105,97,115,0,0,0,0,0,1,0,12,0,116,101,120,116,117,
-114,101,67,117,98,101,0,1,0,0,19,115,97,109,112,108,101,114,0,0,1,0,0,11,99,111,111,114,100,0,0,1,
-0,0,9,98,105,97,115,0,0,0,1,3,2,0,12,1,116,101,120,101,108,0,0,0,4,118,101,99,52,95,116,101,120,99,
-117,98,101,0,18,116,101,120,101,108,0,0,18,115,97,109,112,108,101,114,0,0,18,99,111,111,114,100,0,
-0,18,98,105,97,115,0,0,0,8,18,116,101,120,101,108,0,0,0,1,0,12,0,115,104,97,100,111,119,49,68,0,1,
-0,0,20,115,97,109,112,108,101,114,0,0,1,0,0,11,99,111,111,114,100,0,0,1,0,0,9,98,105,97,115,0,0,0,
-1,3,2,0,12,1,116,101,120,101,108,0,0,0,4,118,101,99,52,95,115,104,97,100,49,100,0,18,116,101,120,
-101,108,0,0,18,115,97,109,112,108,101,114,0,0,18,99,111,111,114,100,0,0,18,98,105,97,115,0,0,0,8,
-18,116,101,120,101,108,0,0,0,1,0,12,0,115,104,97,100,111,119,49,68,80,114,111,106,0,1,0,0,20,115,
-97,109,112,108,101,114,0,0,1,0,0,12,99,111,111,114,100,0,0,1,0,0,9,98,105,97,115,0,0,0,1,8,58,115,
-104,97,100,111,119,49,68,0,18,115,97,109,112,108,101,114,0,0,58,118,101,99,51,0,18,99,111,111,114,
-100,0,59,115,0,18,99,111,111,114,100,0,59,113,0,49,0,17,48,0,48,0,0,0,18,99,111,111,114,100,0,59,
-112,0,18,99,111,111,114,100,0,59,113,0,49,0,0,0,18,98,105,97,115,0,0,0,0,0,1,0,12,0,115,104,97,100,
-111,119,50,68,0,1,0,0,21,115,97,109,112,108,101,114,0,0,1,0,0,11,99,111,111,114,100,0,0,1,0,0,9,98,
-105,97,115,0,0,0,1,3,2,0,12,1,116,101,120,101,108,0,0,0,4,118,101,99,52,95,115,104,97,100,50,100,0,
-18,116,101,120,101,108,0,0,18,115,97,109,112,108,101,114,0,0,18,99,111,111,114,100,0,0,18,98,105,
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diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c
index fee317b61f..968fdcdd16 100644
--- a/src/mesa/shader/slang/slang_codegen.c
+++ b/src/mesa/shader/slang/slang_codegen.c
@@ -626,14 +626,14 @@ static slang_asm_info AsmInfo[] = {
    { "float_divide", IR_DIV, 1, 2 },
    { "float_power", IR_POW, 1, 2 },
    /* texture / sampler */
-   { "vec4_tex1d", IR_TEX, 1, 1 },
-   { "vec4_texb1d", IR_TEXB, 1, 3 },  /* 1d w/ bias */
+   { "vec4_tex1d", IR_TEX, 1, 2 },
+   { "vec4_texb1d", IR_TEXB, 1, 2 },  /* 1d w/ bias */
    { "vec4_texp1d", IR_TEXP, 1, 2 },  /* 1d w/ projection */
    { "vec4_tex2d", IR_TEX, 1, 2 },
-   { "vec4_texb2d", IR_TEXB, 1, 3 },  /* 2d w/ bias */
+   { "vec4_texb2d", IR_TEXB, 1, 2 },  /* 2d w/ bias */
    { "vec4_texp2d", IR_TEXP, 1, 2 },  /* 2d w/ projection */
    { "vec4_tex3d", IR_TEX, 1, 2 },
-   { "vec4_texb3d", IR_TEXB, 1, 3 },  /* 3d w/ bias */
+   { "vec4_texb3d", IR_TEXB, 1, 2 },  /* 3d w/ bias */
    { "vec4_texp3d", IR_TEXP, 1, 2 },  /* 3d w/ projection */
 
    /* unary op */
diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c
index aee3fb2ceb..c62a07d97a 100644
--- a/src/mesa/shader/slang/slang_emit.c
+++ b/src/mesa/shader/slang/slang_emit.c
@@ -91,8 +91,8 @@ static slang_ir_info IrInfo[] = {
    { IR_VAR, "IR_VAR", 0, 0, 0 },
    { IR_VAR_DECL, "IR_VAR_DECL", 0, 0, 0 },
    { IR_TEX, "IR_TEX", OPCODE_TEX, 4, 1 },
-   { IR_TEXB, "IR_TEXB", OPCODE_TXB, 4, 2 },
-   { IR_TEXP, "IR_TEXP", OPCODE_TXP, 4, 2 },
+   { IR_TEXB, "IR_TEXB", OPCODE_TXB, 4, 1 },
+   { IR_TEXP, "IR_TEXP", OPCODE_TXP, 4, 1 },
    { IR_FLOAT, "IR_FLOAT", 0, 0, 0 },
    { IR_FIELD, "IR_FIELD", 0, 0, 0 },
    { IR_NOP, NULL, OPCODE_NOP, 0, 0 }