diff options
Diffstat (limited to 'src/mesa/shader/program_parse.y')
| -rw-r--r-- | src/mesa/shader/program_parse.y | 66 |
1 files changed, 52 insertions, 14 deletions
diff --git a/src/mesa/shader/program_parse.y b/src/mesa/shader/program_parse.y index 8ca6f9805b..3f1a350c24 100644 --- a/src/mesa/shader/program_parse.y +++ b/src/mesa/shader/program_parse.y @@ -74,6 +74,9 @@ static void init_src_reg(struct asm_src_register *r); static void set_src_reg(struct asm_src_register *r, gl_register_file file, GLint index); +static void set_src_reg_swz(struct asm_src_register *r, + gl_register_file file, GLint index, GLuint swizzle); + static void asm_instruction_set_operands(struct asm_instruction *inst, const struct prog_dst_register *dst, const struct asm_src_register *src0, const struct asm_src_register *src1, const struct asm_src_register *src2); @@ -588,7 +591,9 @@ scalarUse: srcReg scalarSuffix temp_sym.param_binding_begin = ~0; initialize_symbol_from_const(state->prog, & temp_sym, & $1); - set_src_reg(& $$, PROGRAM_CONSTANT, temp_sym.param_binding_begin); + set_src_reg_swz(& $$, PROGRAM_CONSTANT, + temp_sym.param_binding_begin, + temp_sym.param_binding_swizzle); } ; @@ -790,7 +795,9 @@ srcReg: USED_IDENTIFIER /* temporaryReg | progParamSingle */ set_src_reg(& $$, PROGRAM_TEMPORARY, s->temp_binding); break; case at_param: - set_src_reg(& $$, s->param_binding_type, s->param_binding_begin); + set_src_reg_swz(& $$, s->param_binding_type, + s->param_binding_begin, + s->param_binding_swizzle); break; case at_attrib: set_src_reg(& $$, PROGRAM_INPUT, s->attrib_binding); @@ -841,7 +848,8 @@ srcReg: USED_IDENTIFIER /* temporaryReg | progParamSingle */ gl_register_file file = ($1.name != NULL) ? $1.param_binding_type : PROGRAM_CONSTANT; - set_src_reg(& $$, file, $1.param_binding_begin); + set_src_reg_swz(& $$, file, $1.param_binding_begin, + $1.param_binding_swizzle); } ; @@ -1210,6 +1218,7 @@ PARAM_singleStmt: PARAM IDENTIFIER paramSingleInit s->param_binding_type = $3.param_binding_type; s->param_binding_begin = $3.param_binding_begin; s->param_binding_length = $3.param_binding_length; + s->param_binding_swizzle = SWIZZLE_XYZW; s->param_is_array = 0; } } @@ -1233,6 +1242,7 @@ PARAM_multipleStmt: PARAM IDENTIFIER '[' optArraySize ']' paramMultipleInit s->param_binding_type = $6.param_binding_type; s->param_binding_begin = $6.param_binding_begin; s->param_binding_length = $6.param_binding_length; + s->param_binding_swizzle = SWIZZLE_XYZW; s->param_is_array = 1; } } @@ -2310,19 +2320,29 @@ init_src_reg(struct asm_src_register *r) } -/** Like init_src_reg() but set the File and Index fields. */ +/** Like init_src_reg() but set the File and Index fields. + * \return GL_TRUE if a valid src register, GL_FALSE otherwise + */ void set_src_reg(struct asm_src_register *r, gl_register_file file, GLint index) { + set_src_reg_swz(r, file, index, SWIZZLE_XYZW); +} + + +void +set_src_reg_swz(struct asm_src_register *r, gl_register_file file, GLint index, + GLuint swizzle) +{ const GLint maxIndex = (1 << INST_INDEX_BITS) - 1; const GLint minIndex = -(1 << INST_INDEX_BITS); + ASSERT(file < PROGRAM_FILE_MAX); ASSERT(index >= minIndex); ASSERT(index <= maxIndex); - ASSERT(file < PROGRAM_FILE_MAX); memset(r, 0, sizeof(*r)); r->Base.File = file; r->Base.Index = index; - r->Base.Swizzle = SWIZZLE_NOOP; + r->Base.Swizzle = swizzle; r->Symbol = NULL; } @@ -2454,15 +2474,20 @@ initialize_symbol_from_state(struct gl_program *prog, state_tokens[2] = state_tokens[3] = row; idx = add_state_reference(prog->Parameters, state_tokens); - if (param_var->param_binding_begin == ~0U) + if (param_var->param_binding_begin == ~0U) { param_var->param_binding_begin = idx; + param_var->param_binding_swizzle = SWIZZLE_XYZW; + } + param_var->param_binding_length++; } } else { idx = add_state_reference(prog->Parameters, state_tokens); - if (param_var->param_binding_begin == ~0U) + if (param_var->param_binding_begin == ~0U) { param_var->param_binding_begin = idx; + param_var->param_binding_swizzle = SWIZZLE_XYZW; + } param_var->param_binding_length++; } @@ -2502,15 +2527,19 @@ initialize_symbol_from_param(struct gl_program *prog, state_tokens[2] = state_tokens[3] = row; idx = add_state_reference(prog->Parameters, state_tokens); - if (param_var->param_binding_begin == ~0U) + if (param_var->param_binding_begin == ~0U) { param_var->param_binding_begin = idx; + param_var->param_binding_swizzle = SWIZZLE_XYZW; + } param_var->param_binding_length++; } } else { idx = add_state_reference(prog->Parameters, state_tokens); - if (param_var->param_binding_begin == ~0U) + if (param_var->param_binding_begin == ~0U) { param_var->param_binding_begin = idx; + param_var->param_binding_swizzle = SWIZZLE_XYZW; + } param_var->param_binding_length++; } @@ -2518,20 +2547,29 @@ initialize_symbol_from_param(struct gl_program *prog, } +/** + * Put a float/vector constant/literal into the parameter list. + * \param param_var returns info about the parameter/constant's location, + * binding, type, etc. + * \param vec the vector/constant to add + * \return index of the constant in the parameter list. + */ int initialize_symbol_from_const(struct gl_program *prog, struct asm_symbol *param_var, const struct asm_vector *vec) { - const int idx = _mesa_add_parameter(prog->Parameters, PROGRAM_CONSTANT, - NULL, vec->count, GL_NONE, vec->data, - NULL, 0x0); + unsigned swizzle; + const int idx = _mesa_add_unnamed_constant(prog->Parameters, + vec->data, vec->count, &swizzle); param_var->type = at_param; param_var->param_binding_type = PROGRAM_CONSTANT; - if (param_var->param_binding_begin == ~0U) + if (param_var->param_binding_begin == ~0U) { param_var->param_binding_begin = idx; + param_var->param_binding_swizzle = swizzle; + } param_var->param_binding_length++; return idx; |