diff options
Diffstat (limited to 'src/mesa/shader/prog_execute.c')
| -rw-r--r-- | src/mesa/shader/prog_execute.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c index 923611b7975..a93733c0852 100644 --- a/src/mesa/shader/prog_execute.c +++ b/src/mesa/shader/prog_execute.c @@ -43,7 +43,7 @@ #include "prog_instruction.h" #include "prog_parameter.h" #include "prog_print.h" -#include "shader/slang/slang_library_noise.h" +#include "prog_noise.h" /* debug predicate */ @@ -705,7 +705,7 @@ _mesa_execute_program(GLcontext * ctx, { GLfloat t[4]; fetch_vector4(&inst->SrcReg[0], machine, t); - machine->AddressReg[0][0] = (GLint) FLOORF(t[0]); + machine->AddressReg[0][0] = IFLOOR(t[0]); } break; case OPCODE_BGNLOOP: @@ -963,7 +963,10 @@ _mesa_execute_program(GLcontext * ctx, { GLfloat a[4], result[4]; fetch_vector1(&inst->SrcReg[0], machine, a); - result[0] = result[1] = result[2] = result[3] = LOG2(a[0]); + /* The fast LOG2 macro doesn't meet the precision requirements. + */ + result[0] = result[1] = result[2] = result[3] = + (log(a[0]) * 1.442695F); store_vector4(inst, machine, result); } break; @@ -1022,7 +1025,11 @@ _mesa_execute_program(GLcontext * ctx, GLfloat mantissa = FREXPF(t[0], &exponent); q[0] = (GLfloat) (exponent - 1); q[1] = (GLfloat) (2.0 * mantissa); /* map [.5, 1) -> [1, 2) */ - q[2] = (GLfloat) (q[0] + LOG2(q[1])); + + /* The fast LOG2 macro doesn't meet the precision + * requirements. + */ + q[2] = (log(t[0]) * 1.442695F); } } else { @@ -1137,7 +1144,8 @@ _mesa_execute_program(GLcontext * ctx, fetch_vector1(&inst->SrcReg[0], machine, a); result[0] = result[1] = - result[2] = result[3] = _slang_library_noise1(a[0]); + result[2] = + result[3] = _mesa_noise1(a[0]); store_vector4(inst, machine, result); } break; @@ -1147,7 +1155,7 @@ _mesa_execute_program(GLcontext * ctx, fetch_vector4(&inst->SrcReg[0], machine, a); result[0] = result[1] = - result[2] = result[3] = _slang_library_noise2(a[0], a[1]); + result[2] = result[3] = _mesa_noise2(a[0], a[1]); store_vector4(inst, machine, result); } break; @@ -1158,7 +1166,7 @@ _mesa_execute_program(GLcontext * ctx, result[0] = result[1] = result[2] = - result[3] = _slang_library_noise3(a[0], a[1], a[2]); + result[3] = _mesa_noise3(a[0], a[1], a[2]); store_vector4(inst, machine, result); } break; @@ -1169,7 +1177,7 @@ _mesa_execute_program(GLcontext * ctx, result[0] = result[1] = result[2] = - result[3] = _slang_library_noise4(a[0], a[1], a[2], a[3]); + result[3] = _mesa_noise4(a[0], a[1], a[2], a[3]); store_vector4(inst, machine, result); } break; |