Merge branch 'master' into r300-compiler

8 files changed, 116 insertions, 86 deletions

diff --git a/src/mesa/shader/slang/library/slang_common_builtin.gc b/src/mesa/shader/slang/library/slang_common_builtin.gc
index 9764fc25b09..56de47ee8d7 100644
--- a/src/mesa/shader/slang/library/slang_common_builtin.gc
+++ b/src/mesa/shader/slang/library/slang_common_builtin.gc
@@ -602,42 +602,50 @@ vec4 exp2(const vec4 a)
 
 float sqrt(const float x)
 {
+   const float nx = -x;
    float r;
    __asm float_rsq r, x;
-   __asm float_rcp __retVal, r;
-}
-
-vec2 sqrt(const vec2 v)
-{
-   float r;
-   __asm float_rsq r, v.x;
-   __asm float_rcp __retVal.x, r;
-   __asm float_rsq r, v.y;
-   __asm float_rcp __retVal.y, r;
-}
-
-vec3 sqrt(const vec3 v)
-{
-   float r;
-   __asm float_rsq r, v.x;
-   __asm float_rcp __retVal.x, r;
-   __asm float_rsq r, v.y;
-   __asm float_rcp __retVal.y, r;
-   __asm float_rsq r, v.z;
-   __asm float_rcp __retVal.z, r;
-}
-
-vec4 sqrt(const vec4 v)
-{
-   float r;
-   __asm float_rsq r, v.x;
-   __asm float_rcp __retVal.x, r;
-   __asm float_rsq r, v.y;
-   __asm float_rcp __retVal.y, r;
-   __asm float_rsq r, v.z;
-   __asm float_rcp __retVal.z, r;
-   __asm float_rsq r, v.w;
-   __asm float_rcp __retVal.w, r;
+   __asm float_rcp r, r;
+   __asm vec4_cmp __retVal, nx, r, 0.0;
+}
+
+vec2 sqrt(const vec2 x)
+{
+   const vec2 nx = -x, zero = vec2(0.0);
+   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;
+   __asm vec4_cmp __retVal, nx, r, zero;
+}
+
+vec3 sqrt(const vec3 x)
+{
+   const vec3 nx = -x, zero = vec3(0.0);
+   vec3 r;
+   __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;
+   __asm vec4_cmp __retVal, nx, r, zero;
+}
+
+vec4 sqrt(const vec4 x)
+{
+   const vec4 nx = -x, zero = vec4(0.0);
+   vec4 r;
+   __asm float_rsq r.x, x.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;
+   __asm vec4_cmp __retVal, nx, r, zero;
 }
 
 
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 78a7b83ec18..3c3666e4ea2 100644
--- a/src/mesa/shader/slang/library/slang_common_builtin_gc.h
+++ b/src/mesa/shader/slang/library/slang_common_builtin_gc.h
@@ -307,55 +307,63 @@
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 59,122,0,0,18,97,0,59,122,0,0,0,4,102,108,111,97,116,95,101,120,112,50,0,18,95,95,114,101,116,86,
 97,108,0,59,119,0,0,18,97,0,59,119,0,0,0,0,1,90,95,0,0,9,0,0,115,113,114,116,0,1,1,0,0,9,0,120,0,0,
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-116,95,114,115,113,0,18,114,0,0,18,118,0,59,120,0,0,0,4,102,108,111,97,116,95,114,99,112,0,18,95,
-95,114,101,116,86,97,108,0,59,120,0,0,18,114,0,0,0,4,102,108,111,97,116,95,114,115,113,0,18,114,0,
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+115,113,114,116,0,0,58,100,111,116,0,0,18,118,0,0,18,118,0,0,0,0,0,0,0,4,118,101,99,52,95,109,117,
+108,116,105,112,108,121,0,18,95,95,114,101,116,86,97,108,0,59,120,121,0,0,18,118,0,0,18,115,0,0,0,
+0,1,90,95,0,0,11,0,0,110,111,114,109,97,108,105,122,101,0,1,1,0,0,11,0,118,0,0,0,1,3,2,90,95,0,0,9,
+0,1,116,109,112,0,0,0,4,118,101,99,51,95,100,111,116,0,18,116,109,112,0,0,18,118,0,0,18,118,0,0,0,
+4,102,108,111,97,116,95,114,115,113,0,18,116,109,112,0,0,18,116,109,112,0,0,0,4,118,101,99,52,95,
+109,117,108,116,105,112,108,121,0,18,95,95,114,101,116,86,97,108,0,59,120,121,122,0,0,18,118,0,0,
+18,116,109,112,0,0,0,0,1,90,95,0,0,12,0,0,110,111,114,109,97,108,105,122,101,0,1,1,0,0,12,0,118,0,
+0,0,1,3,2,90,95,0,0,9,0,1,116,109,112,0,0,0,4,118,101,99,52,95,100,111,116,0,18,116,109,112,0,0,18,
+118,0,0,18,118,0,0,0,4,102,108,111,97,116,95,114,115,113,0,18,116,109,112,0,0,18,116,109,112,0,0,0,
+4,118,101,99,52,95,109,117,108,116,105,112,108,121,0,18,95,95,114,101,116,86,97,108,0,59,120,121,
+122,0,0,18,118,0,0,18,116,109,112,0,0,0,0,1,90,95,0,0,9,0,0,97,98,115,0,1,1,0,0,9,0,97,0,0,0,1,4,
+118,101,99,52,95,97,98,115,0,18,95,95,114,101,116,86,97,108,0,0,18,97,0,0,0,0,1,90,95,0,0,10,0,0,
 97,98,115,0,1,1,0,0,10,0,97,0,0,0,1,4,118,101,99,52,95,97,98,115,0,18,95,95,114,101,116,86,97,108,
 0,59,120,121,0,0,18,97,0,0,0,0,1,90,95,0,0,11,0,0,97,98,115,0,1,1,0,0,11,0,97,0,0,0,1,4,118,101,99,
 52,95,97,98,115,0,18,95,95,114,101,116,86,97,108,0,59,120,121,122,0,0,18,97,0,0,0,0,1,90,95,0,0,12,
diff --git a/src/mesa/shader/slang/slang_builtin.c b/src/mesa/shader/slang/slang_builtin.c
index bef0f856534..e5809509c93 100644
--- a/src/mesa/shader/slang/slang_builtin.c
+++ b/src/mesa/shader/slang/slang_builtin.c
@@ -741,7 +741,7 @@ static const struct input_info vertInputs[] = {
    { "gl_MultiTexCoord5", VERT_ATTRIB_TEX5, GL_FLOAT_VEC4, SWIZZLE_NOOP },
    { "gl_MultiTexCoord6", VERT_ATTRIB_TEX6, GL_FLOAT_VEC4, SWIZZLE_NOOP },
    { "gl_MultiTexCoord7", VERT_ATTRIB_TEX7, GL_FLOAT_VEC4, SWIZZLE_NOOP },
-   { NULL, 0, SWIZZLE_NOOP }
+   { NULL, 0, GL_NONE, SWIZZLE_NOOP }
 };
 
 /** Predefined fragment shader inputs */
@@ -754,7 +754,7 @@ static const struct input_info fragInputs[] = {
    { "gl_FogFragCoord", FRAG_ATTRIB_FOGC, GL_FLOAT, SWIZZLE_XXXX },
    { "gl_FrontFacing", FRAG_ATTRIB_FACE, GL_FLOAT, SWIZZLE_XXXX },
    { "gl_PointCoord", FRAG_ATTRIB_PNTC, GL_FLOAT_VEC2, SWIZZLE_XYZW },
-   { NULL, 0, SWIZZLE_NOOP }
+   { NULL, 0, GL_NONE, SWIZZLE_NOOP }
 };
 
 
diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c
index 349f432deca..344dfdc6804 100644
--- a/src/mesa/shader/slang/slang_codegen.c
+++ b/src/mesa/shader/slang/slang_codegen.c
@@ -422,6 +422,7 @@ static slang_asm_info AsmInfo[] = {
    { "vec4_lrp", IR_LRP, 1, 3 },
    { "vec4_min", IR_MIN, 1, 2 },
    { "vec4_max", IR_MAX, 1, 2 },
+   { "vec4_cmp", IR_CMP, 1, 3 },
    { "vec4_clamp", IR_CLAMP, 1, 3 },
    { "vec4_seq", IR_SEQUAL, 1, 2 },
    { "vec4_sne", IR_SNEQUAL, 1, 2 },
@@ -2775,7 +2776,7 @@ _slang_gen_while(slang_assemble_ctx * A, slang_operation *oper)
     *    body code (child[1])
     */
    slang_ir_node *loop, *breakIf, *body;
-   GLboolean isConst, constTrue;
+   GLboolean isConst, constTrue = GL_FALSE;
 
    if (!A->EmitContReturn) {
       /* We don't want to emit CONT instructions.  If this while-loop has
diff --git a/src/mesa/shader/slang/slang_compile.c b/src/mesa/shader/slang/slang_compile.c
index c1b97c7cb70..a2708884437 100644
--- a/src/mesa/shader/slang/slang_compile.c
+++ b/src/mesa/shader/slang/slang_compile.c
@@ -2814,6 +2814,16 @@ _slang_compile(GLcontext *ctx, struct gl_shader *shader)
           (ctx->Shader.Flags & GLSL_NO_OPT) == 0) {
          _mesa_optimize_program(ctx, shader->Program);
       }
+      if ((ctx->Shader.Flags & GLSL_NOP_VERT) &&
+          shader->Program->Target == GL_VERTEX_PROGRAM_ARB) {
+         _mesa_nop_vertex_program(ctx,
+                                  (struct gl_vertex_program *) shader->Program);
+      }
+      if ((ctx->Shader.Flags & GLSL_NOP_FRAG) &&
+          shader->Program->Target == GL_FRAGMENT_PROGRAM_ARB) {
+         _mesa_nop_fragment_program(ctx,
+                                (struct gl_fragment_program *) shader->Program);
+      }
    }
 
    if (ctx->Shader.Flags & GLSL_LOG) {
diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c
index 3f455e0640b..3af301eacdf 100644
--- a/src/mesa/shader/slang/slang_emit.c
+++ b/src/mesa/shader/slang/slang_emit.c
@@ -2287,6 +2287,7 @@ emit(slang_emit_info *emitInfo, slang_ir_node *n)
    case IR_POW:
    /* trinary operators */
    case IR_LRP:
+   case IR_CMP:
       return emit_arith(emitInfo, n);
 
    case IR_EQUAL:
diff --git a/src/mesa/shader/slang/slang_ir.c b/src/mesa/shader/slang/slang_ir.c
index 1c7f7474e71..62603503dd9 100644
--- a/src/mesa/shader/slang/slang_ir.c
+++ b/src/mesa/shader/slang/slang_ir.c
@@ -80,6 +80,7 @@ static const slang_ir_info IrInfo[] = {
    { IR_NOISE4, "IR_NOISE4", OPCODE_NOISE4, 1, 1 },
 
    /* other */
+   { IR_CMP, "IR_CMP", OPCODE_CMP, 4, 3 },  /* compare/select */
    { IR_SEQ, "IR_SEQ", OPCODE_NOP, 0, 0 },
    { IR_SCOPE, "IR_SCOPE", OPCODE_NOP, 0, 0 },
    { IR_LABEL, "IR_LABEL", OPCODE_NOP, 0, 0 },
diff --git a/src/mesa/shader/slang/slang_ir.h b/src/mesa/shader/slang/slang_ir.h
index e796693ed58..166b4e80436 100644
--- a/src/mesa/shader/slang/slang_ir.h
+++ b/src/mesa/shader/slang/slang_ir.h
@@ -91,6 +91,7 @@ typedef enum
    IR_CLAMP,
    IR_MIN,
    IR_MAX,
+   IR_CMP,     /* = (op0 < 0) ? op1 : op2 */
    IR_SEQUAL,  /* Set if args are equal (vector) */
    IR_SNEQUAL, /* Set if args are not equal (vector) */
    IR_SGE,     /* Set if greater or equal (vector) */