diff options
| -rw-r--r-- | src/mesa/shader/arbprogparse.c | 101 |
1 files changed, 76 insertions, 25 deletions
diff --git a/src/mesa/shader/arbprogparse.c b/src/mesa/shader/arbprogparse.c index c7a031067e..36267c336f 100644 --- a/src/mesa/shader/arbprogparse.c +++ b/src/mesa/shader/arbprogparse.c @@ -563,6 +563,7 @@ struct var_cache * we take up with our state tokens or constants. Note that * this is _not_ the same as the number of param registers * we eventually use */ + GLuint swizzle; /**< swizzle to access this variable */ struct var_cache *next; }; @@ -581,6 +582,7 @@ var_cache_create (struct var_cache **va) (**va).param_binding_begin = ~0; (**va).param_binding_length = ~0; (**va).alias_binding = NULL; + (**va).swizzle = SWIZZLE_XYZW; (**va).next = NULL; } } @@ -872,15 +874,16 @@ parse_signed_float (const GLubyte ** inst, struct arb_program *Program) * This picks out a constant value from the parsed array. The constant vector is r * returned in the *values array, which should be of length 4. * - * \param values - The 4 component vector with the constant value in it + * \param values - return the vector constant values. + * \param size - returns the number elements in valuesOut [1..4] */ static GLvoid -parse_constant (const GLubyte ** inst, GLfloat *values, struct arb_program *Program, - GLboolean use) +parse_constant(const GLubyte ** inst, GLfloat *values, GLint *size, + struct arb_program *Program, + GLboolean use) { GLuint components, i; - switch (*(*inst)++) { case CONSTANT_SCALAR: if (use == GL_TRUE) { @@ -893,7 +896,7 @@ parse_constant (const GLubyte ** inst, GLfloat *values, struct arb_program *Prog values[1] = values[2] = values[3] = parse_signed_float (inst, Program); } - + *size = 1; break; case CONSTANT_VECTOR: values[0] = values[1] = values[2] = 0; @@ -902,7 +905,12 @@ parse_constant (const GLubyte ** inst, GLfloat *values, struct arb_program *Prog for (i = 0; i < components; i++) { values[i] = parse_signed_float (inst, Program); } + *size = 4; break; + default: + _mesa_problem(NULL, "unexpected case in parse_constant()"); + values[0] = 0.0F; + *size = 0; } } @@ -1816,7 +1824,6 @@ parse_param_elements (GLcontext * ctx, const GLubyte ** inst, GLint idx; GLuint err = 0; gl_state_index state_tokens[STATE_LENGTH] = {0, 0, 0, 0, 0}; - GLfloat const_values[4]; GLubyte token = *(*inst)++; @@ -1908,18 +1915,31 @@ parse_param_elements (GLcontext * ctx, const GLubyte ** inst, case PARAM_CONSTANT: /* parsing something like {1.0, 2.0, 3.0, 4.0} */ - parse_constant (inst, const_values, Program, use); - idx = _mesa_add_named_constant(Program->Base.Parameters, - (char *) param_var->name, - const_values, 4); - if (param_var->param_binding_begin == ~0U) - param_var->param_binding_begin = idx; - param_var->param_binding_type = PROGRAM_STATE_VAR; - /* Note: when we reference this parameter in an instruction later, - * we'll check if it's really a constant/immediate and set the - * instruction register type appropriately. - */ - param_var->param_binding_length++; + { + GLfloat const_values[4]; + GLint size; + parse_constant(inst, const_values, &size, Program, use); + if (param_var->name[0] == ' ') { + /* this is an unnamed constant */ + idx = _mesa_add_unnamed_constant(Program->Base.Parameters, + const_values, size, + ¶m_var->swizzle); + } + else { + /* named parameter/constant */ + idx = _mesa_add_named_constant(Program->Base.Parameters, + (char *) param_var->name, + const_values, size); + } + if (param_var->param_binding_begin == ~0U) + param_var->param_binding_begin = idx; + param_var->param_binding_type = PROGRAM_STATE_VAR; + /* Note: when we reference this parameter in an instruction later, + * we'll check if it's really a constant/immediate and set the + * instruction register type appropriately. + */ + param_var->param_binding_length++; + } break; default: @@ -2428,6 +2448,9 @@ parse_swizzle_mask(const GLubyte ** inst, GLubyte *swizzle, GLint len) return; } } + + if (len == 1) + swizzle[1] = swizzle[2] = swizzle[3] = swizzle[0]; } @@ -2482,7 +2505,7 @@ static GLuint parse_src_reg (GLcontext * ctx, const GLubyte ** inst, struct var_cache **vc_head, struct arb_program *Program, - gl_register_file * File, GLint * Index, + gl_register_file * File, GLint * Index, GLuint *swizzle, GLboolean *IsRelOffset ) { struct var_cache *src; @@ -2491,6 +2514,8 @@ parse_src_reg (GLcontext * ctx, const GLubyte ** inst, *IsRelOffset = 0; + *swizzle = SWIZZLE_XYZW; /* default */ + /* And the binding for the src */ switch (*(*inst)++) { case REGISTER_ATTRIB: @@ -2546,6 +2571,7 @@ parse_src_reg (GLcontext * ctx, const GLubyte ** inst, } *Index = src->param_binding_begin + offset; + *swizzle = src->swizzle; break; case ARRAY_INDEX_RELATIVE: @@ -2568,6 +2594,7 @@ parse_src_reg (GLcontext * ctx, const GLubyte ** inst, /* And store it properly */ *Index = src->param_binding_begin + rel_off; *IsRelOffset = 1; + *swizzle = src->swizzle; } break; } @@ -2579,6 +2606,7 @@ parse_src_reg (GLcontext * ctx, const GLubyte ** inst, *File = (gl_register_file) src->param_binding_type; *Index = src->param_binding_begin; + *swizzle = src->swizzle; break; } break; @@ -2647,6 +2675,21 @@ parse_src_reg (GLcontext * ctx, const GLubyte ** inst, } +static GLuint +swizzle_swizzle(GLuint baseSwizzle, const GLubyte swizzle[4]) +{ + GLuint i, swz, s[4]; + for (i = 0; i < 4; i++) { + GLuint c = swizzle[i]; + if (c <= SWIZZLE_W) + s[i] = GET_SWZ(baseSwizzle, c); + else + s[i] = c; + } + swz = MAKE_SWIZZLE4(s[0], s[1], s[2], s[3]); + return swz; +} + /** * Parse vertex/fragment program vector source register. */ @@ -2661,12 +2704,14 @@ parse_vector_src_reg(GLcontext *ctx, const GLubyte **inst, GLubyte negateMask; GLubyte swizzle[4]; GLboolean isRelOffset; + GLuint baseSwizzle; /* Grab the sign */ negateMask = (parse_sign (inst) == -1) ? NEGATE_XYZW : NEGATE_NONE; /* And the src reg */ - if (parse_src_reg(ctx, inst, vc_head, program, &file, &index, &isRelOffset)) + if (parse_src_reg(ctx, inst, vc_head, program, &file, &index, &baseSwizzle, + &isRelOffset)) return 1; /* finally, the swizzle */ @@ -2674,7 +2719,7 @@ parse_vector_src_reg(GLcontext *ctx, const GLubyte **inst, reg->File = file; reg->Index = index; - reg->Swizzle = MAKE_SWIZZLE4(swizzle[0], swizzle[1], swizzle[2], swizzle[3]); + reg->Swizzle = swizzle_swizzle(baseSwizzle, swizzle); reg->Negate = negateMask; reg->RelAddr = isRelOffset; return 0; @@ -2695,12 +2740,14 @@ parse_scalar_src_reg(GLcontext *ctx, const GLubyte **inst, GLubyte negateMask; GLubyte swizzle[4]; GLboolean isRelOffset; + GLuint baseSwizzle; /* Grab the sign */ negateMask = (parse_sign (inst) == -1) ? NEGATE_XYZW : NEGATE_NONE; /* And the src reg */ - if (parse_src_reg(ctx, inst, vc_head, program, &file, &index, &isRelOffset)) + if (parse_src_reg(ctx, inst, vc_head, program, &file, &index, &baseSwizzle, + &isRelOffset)) return 1; /* finally, the swizzle */ @@ -2708,7 +2755,7 @@ parse_scalar_src_reg(GLcontext *ctx, const GLubyte **inst, reg->File = file; reg->Index = index; - reg->Swizzle = (swizzle[0] << 0); + reg->Swizzle = swizzle_swizzle(baseSwizzle, swizzle); reg->Negate = negateMask; reg->RelAddr = isRelOffset; return 0; @@ -3019,8 +3066,10 @@ parse_fp_instruction (GLcontext * ctx, const GLubyte ** inst, GLubyte negateMask; gl_register_file file; GLint index; + GLuint baseSwizzle; - if (parse_src_reg(ctx, inst, vc_head, Program, &file, &index, &rel)) + if (parse_src_reg(ctx, inst, vc_head, Program, &file, &index, + &baseSwizzle, &rel)) return 1; parse_extended_swizzle_mask(inst, swizzle, &negateMask); fp->SrcReg[0].File = file; @@ -3360,11 +3409,13 @@ parse_vp_instruction (GLcontext * ctx, const GLubyte ** inst, GLboolean relAddr; gl_register_file file; GLint index; + GLuint baseSwizzle; if (parse_dst_reg(ctx, inst, vc_head, Program, &vp->DstReg)) return 1; - if (parse_src_reg(ctx, inst, vc_head, Program, &file, &index, &relAddr)) + if (parse_src_reg(ctx, inst, vc_head, Program, &file, &index, + &baseSwizzle, &relAddr)) return 1; parse_extended_swizzle_mask (inst, swizzle, &negateMask); vp->SrcReg[0].File = file; |