diff options
Diffstat (limited to 'src/mesa/shader/slang')
| -rw-r--r-- | src/mesa/shader/slang/slang_assemble_constructor.c | 608 |
1 files changed, 305 insertions, 303 deletions
diff --git a/src/mesa/shader/slang/slang_assemble_constructor.c b/src/mesa/shader/slang/slang_assemble_constructor.c index 9d1aa70718..f6fb6d7c69 100644 --- a/src/mesa/shader/slang/slang_assemble_constructor.c +++ b/src/mesa/shader/slang/slang_assemble_constructor.c @@ -1,6 +1,6 @@ /* * Mesa 3-D graphics library - * Version: 6.5 + * Version: 6.5.2 * * Copyright (C) 2005-2006 Brian Paul All Rights Reserved. * @@ -32,348 +32,350 @@ #include "slang_assemble.h" #include "slang_storage.h" -/* _slang_is_swizzle() */ -GLboolean _slang_is_swizzle (const char *field, GLuint rows, slang_swizzle *swz) + +GLboolean +_slang_is_swizzle(const char *field, GLuint rows, slang_swizzle * swz) { - GLuint i; - GLboolean xyzw = GL_FALSE, rgba = GL_FALSE, stpq = GL_FALSE; - - /* the swizzle can be at most 4-component long */ - swz->num_components = slang_string_length (field); - if (swz->num_components > 4) - return GL_FALSE; - - for (i = 0; i < swz->num_components; i++) - { - /* mark which swizzle group is used */ - switch (field[i]) - { - case 'x': - case 'y': - case 'z': - case 'w': - xyzw = GL_TRUE; - break; - case 'r': - case 'g': - case 'b': - case 'a': - rgba = GL_TRUE; - break; - case 's': - case 't': - case 'p': - case 'q': - stpq = GL_TRUE; - break; - default: - return GL_FALSE; - } - - /* collect swizzle component */ - switch (field[i]) - { - case 'x': - case 'r': - case 's': - swz->swizzle[i] = 0; - break; - case 'y': - case 'g': - case 't': - swz->swizzle[i] = 1; - break; - case 'z': - case 'b': - case 'p': - swz->swizzle[i] = 2; - break; - case 'w': - case 'a': - case 'q': - swz->swizzle[i] = 3; - break; - } - - /* check if the component is valid for given vector's row count */ - if (rows <= swz->swizzle[i]) - return GL_FALSE; - } - - /* only one swizzle group can be used */ - if ((xyzw && rgba) || (xyzw && stpq) || (rgba && stpq)) - return GL_FALSE; - - return GL_TRUE; + GLuint i; + GLboolean xyzw = GL_FALSE, rgba = GL_FALSE, stpq = GL_FALSE; + + /* the swizzle can be at most 4-component long */ + swz->num_components = slang_string_length(field); + if (swz->num_components > 4) + return GL_FALSE; + + for (i = 0; i < swz->num_components; i++) { + /* mark which swizzle group is used */ + switch (field[i]) { + case 'x': + case 'y': + case 'z': + case 'w': + xyzw = GL_TRUE; + break; + case 'r': + case 'g': + case 'b': + case 'a': + rgba = GL_TRUE; + break; + case 's': + case 't': + case 'p': + case 'q': + stpq = GL_TRUE; + break; + default: + return GL_FALSE; + } + + /* collect swizzle component */ + switch (field[i]) { + case 'x': + case 'r': + case 's': + swz->swizzle[i] = 0; + break; + case 'y': + case 'g': + case 't': + swz->swizzle[i] = 1; + break; + case 'z': + case 'b': + case 'p': + swz->swizzle[i] = 2; + break; + case 'w': + case 'a': + case 'q': + swz->swizzle[i] = 3; + break; + } + + /* check if the component is valid for given vector's row count */ + if (rows <= swz->swizzle[i]) + return GL_FALSE; + } + + /* only one swizzle group can be used */ + if ((xyzw && rgba) || (xyzw && stpq) || (rgba && stpq)) + return GL_FALSE; + + return GL_TRUE; } -/* _slang_is_swizzle_mask() */ -GLboolean _slang_is_swizzle_mask (const slang_swizzle *swz, GLuint rows) + +GLboolean +_slang_is_swizzle_mask(const slang_swizzle * swz, GLuint rows) { - GLuint i, c = 0; + GLuint i, c = 0; - /* the swizzle may not be longer than the vector dim */ - if (swz->num_components > rows) - return GL_FALSE; + /* the swizzle may not be longer than the vector dim */ + if (swz->num_components > rows) + return GL_FALSE; - /* the swizzle components cannot be duplicated */ - for (i = 0; i < swz->num_components; i++) - { - if ((c & (1 << swz->swizzle[i])) != 0) - return GL_FALSE; - c |= 1 << swz->swizzle[i]; - } + /* the swizzle components cannot be duplicated */ + for (i = 0; i < swz->num_components; i++) { + if ((c & (1 << swz->swizzle[i])) != 0) + return GL_FALSE; + c |= 1 << swz->swizzle[i]; + } - return GL_TRUE; + return GL_TRUE; } -/* _slang_multiply_swizzles() */ -GLvoid _slang_multiply_swizzles (slang_swizzle *dst, const slang_swizzle *left, - const slang_swizzle *right) + +GLvoid +_slang_multiply_swizzles(slang_swizzle * dst, const slang_swizzle * left, + const slang_swizzle * right) { - GLuint i; + GLuint i; - dst->num_components = right->num_components; - for (i = 0; i < right->num_components; i++) - dst->swizzle[i] = left->swizzle[right->swizzle[i]]; + dst->num_components = right->num_components; + for (i = 0; i < right->num_components; i++) + dst->swizzle[i] = left->swizzle[right->swizzle[i]]; } -/* _slang_assemble_constructor() */ + static GLboolean -sizeof_argument (slang_assemble_ctx *A, GLuint *size, slang_operation *op) +sizeof_argument(slang_assemble_ctx * A, GLuint * size, slang_operation * op) { slang_assembly_typeinfo ti; GLboolean result = GL_FALSE; slang_storage_aggregate agg; - if (!slang_assembly_typeinfo_construct (&ti)) + if (!slang_assembly_typeinfo_construct(&ti)) return GL_FALSE; - if (!_slang_typeof_operation (A, op, &ti)) + if (!_slang_typeof_operation(A, op, &ti)) goto end1; - if (!slang_storage_aggregate_construct (&agg)) + if (!slang_storage_aggregate_construct(&agg)) goto end1; - if (!_slang_aggregate_variable (&agg, &ti.spec, 0, A->space.funcs, A->space.structs, - A->space.vars, A->mach, A->file, A->atoms)) + if (!_slang_aggregate_variable + (&agg, &ti.spec, 0, A->space.funcs, A->space.structs, A->space.vars, + A->mach, A->file, A->atoms)) goto end; - *size = _slang_sizeof_aggregate (&agg); + *size = _slang_sizeof_aggregate(&agg); result = GL_TRUE; -end: - slang_storage_aggregate_destruct (&agg); -end1: - slang_assembly_typeinfo_destruct (&ti); + end: + slang_storage_aggregate_destruct(&agg); + end1: + slang_assembly_typeinfo_destruct(&ti); return result; } -static GLboolean constructor_aggregate (slang_assemble_ctx *A, const slang_storage_aggregate *flat, - slang_operation *op, GLuint garbage_size) +static GLboolean +constructor_aggregate(slang_assemble_ctx * A, + const slang_storage_aggregate * flat, + slang_operation * op, GLuint garbage_size) { - slang_assembly_typeinfo ti; - GLboolean result = GL_FALSE; - slang_storage_aggregate agg, flat_agg; - - if (!slang_assembly_typeinfo_construct (&ti)) - return GL_FALSE; - if (!_slang_typeof_operation (A, op, &ti)) - goto end1; - - if (!slang_storage_aggregate_construct (&agg)) - goto end1; - if (!_slang_aggregate_variable (&agg, &ti.spec, 0, A->space.funcs, A->space.structs, - A->space.vars, A->mach, A->file, A->atoms)) - goto end2; - - if (!slang_storage_aggregate_construct (&flat_agg)) - goto end2; - if (!_slang_flatten_aggregate (&flat_agg, &agg)) - goto end; - - if (!_slang_assemble_operation (A, op, slang_ref_forbid)) - goto end; - - /* TODO: convert (generic) elements */ - - /* free the garbage */ - if (garbage_size != 0) - { - GLuint i; - - /* move the non-garbage part to the end of the argument */ - if (!slang_assembly_file_push_label (A->file, slang_asm_addr_push, 0)) - goto end; - for (i = flat_agg.count * 4 - garbage_size; i > 0; i -= 4) - { - if (!slang_assembly_file_push_label2 (A->file, slang_asm_float_move, - garbage_size + i, i)) - { - goto end; - } - } - if (!slang_assembly_file_push_label (A->file, slang_asm_local_free, garbage_size + 4)) - goto end; - } - - result = GL_TRUE; -end: - slang_storage_aggregate_destruct (&flat_agg); -end2: - slang_storage_aggregate_destruct (&agg); -end1: - slang_assembly_typeinfo_destruct (&ti); - return result; + slang_assembly_typeinfo ti; + GLboolean result = GL_FALSE; + slang_storage_aggregate agg, flat_agg; + + if (!slang_assembly_typeinfo_construct(&ti)) + return GL_FALSE; + if (!_slang_typeof_operation(A, op, &ti)) + goto end1; + + if (!slang_storage_aggregate_construct(&agg)) + goto end1; + if (!_slang_aggregate_variable + (&agg, &ti.spec, 0, A->space.funcs, A->space.structs, A->space.vars, + A->mach, A->file, A->atoms)) + goto end2; + + if (!slang_storage_aggregate_construct(&flat_agg)) + goto end2; + if (!_slang_flatten_aggregate(&flat_agg, &agg)) + goto end; + + if (!_slang_assemble_operation(A, op, slang_ref_forbid)) + goto end; + + /* TODO: convert (generic) elements */ + + /* free the garbage */ + if (garbage_size != 0) { + GLuint i; + + /* move the non-garbage part to the end of the argument */ + if (!slang_assembly_file_push_label(A->file, slang_asm_addr_push, 0)) + goto end; + for (i = flat_agg.count * 4 - garbage_size; i > 0; i -= 4) { + if (!slang_assembly_file_push_label2(A->file, slang_asm_float_move, + garbage_size + i, i)) { + goto end; + } + } + if (!slang_assembly_file_push_label + (A->file, slang_asm_local_free, garbage_size + 4)) + goto end; + } + + result = GL_TRUE; + end: + slang_storage_aggregate_destruct(&flat_agg); + end2: + slang_storage_aggregate_destruct(&agg); + end1: + slang_assembly_typeinfo_destruct(&ti); + return result; } -GLboolean _slang_assemble_constructor (slang_assemble_ctx *A, slang_operation *op) +GLboolean +_slang_assemble_constructor(slang_assemble_ctx * A, slang_operation * op) { - slang_assembly_typeinfo ti; - GLboolean result = GL_FALSE; - slang_storage_aggregate agg, flat; - GLuint size, i; - GLuint arg_sums[2]; - - /* get typeinfo of the constructor (the result of constructor expression) */ - if (!slang_assembly_typeinfo_construct (&ti)) - return GL_FALSE; - if (!_slang_typeof_operation (A, op, &ti)) - goto end1; - - /* create an aggregate of the constructor */ - if (!slang_storage_aggregate_construct (&agg)) - goto end1; - if (!_slang_aggregate_variable (&agg, &ti.spec, 0, A->space.funcs, A->space.structs, - A->space.vars, A->mach, A->file, A->atoms)) - goto end2; - - /* calculate size of the constructor */ - size = _slang_sizeof_aggregate (&agg); - - /* flatten the constructor */ - if (!slang_storage_aggregate_construct (&flat)) - goto end2; - if (!_slang_flatten_aggregate (&flat, &agg)) - goto end; - - /* collect the last two constructor's argument size sums */ - arg_sums[0] = 0; /* will hold all but the last argument's size sum */ - arg_sums[1] = 0; /* will hold all argument's size sum */ - for (i = 0; i < op->num_children; i++) - { - GLuint arg_size = 0; - - if (!sizeof_argument (A, &arg_size, &op->children[i])) - goto end; - if (i > 0) - arg_sums[0] = arg_sums[1]; - arg_sums[1] += arg_size; - } - - /* check if there are too many arguments */ - if (arg_sums[0] >= size) - { - /* TODO: info log: too many arguments in constructor list */ - goto end; - } - - /* check if there are too few arguments */ - if (arg_sums[1] < size) - { - /* TODO: info log: too few arguments in constructor list */ - goto end; - } - - /* traverse the children that form the constructor expression */ - for (i = op->num_children; i > 0; i--) - { - GLuint garbage_size; - - /* the last argument may be too big - calculate the unnecessary data size */ - if (i == op->num_children) - garbage_size = arg_sums[1] - size; - else - garbage_size = 0; - - if (!constructor_aggregate (A, &flat, &op->children[i - 1], garbage_size)) - goto end; - } - - result = GL_TRUE; -end: - slang_storage_aggregate_destruct (&flat); -end2: - slang_storage_aggregate_destruct (&agg); -end1: - slang_assembly_typeinfo_destruct (&ti); - return result; + slang_assembly_typeinfo ti; + GLboolean result = GL_FALSE; + slang_storage_aggregate agg, flat; + GLuint size, i; + GLuint arg_sums[2]; + + /* get typeinfo of the constructor (the result of constructor expression) */ + if (!slang_assembly_typeinfo_construct(&ti)) + return GL_FALSE; + if (!_slang_typeof_operation(A, op, &ti)) + goto end1; + + /* create an aggregate of the constructor */ + if (!slang_storage_aggregate_construct(&agg)) + goto end1; + if (!_slang_aggregate_variable + (&agg, &ti.spec, 0, A->space.funcs, A->space.structs, A->space.vars, + A->mach, A->file, A->atoms)) + goto end2; + + /* calculate size of the constructor */ + size = _slang_sizeof_aggregate(&agg); + + /* flatten the constructor */ + if (!slang_storage_aggregate_construct(&flat)) + goto end2; + if (!_slang_flatten_aggregate(&flat, &agg)) + goto end; + + /* collect the last two constructor's argument size sums */ + arg_sums[0] = 0; /* will hold all but the last argument's size sum */ + arg_sums[1] = 0; /* will hold all argument's size sum */ + for (i = 0; i < op->num_children; i++) { + GLuint arg_size = 0; + + if (!sizeof_argument(A, &arg_size, &op->children[i])) + goto end; + if (i > 0) + arg_sums[0] = arg_sums[1]; + arg_sums[1] += arg_size; + } + + /* check if there are too many arguments */ + if (arg_sums[0] >= size) { + /* TODO: info log: too many arguments in constructor list */ + goto end; + } + + /* check if there are too few arguments */ + if (arg_sums[1] < size) { + /* TODO: info log: too few arguments in constructor list */ + goto end; + } + + /* traverse the children that form the constructor expression */ + for (i = op->num_children; i > 0; i--) { + GLuint garbage_size; + + /* the last argument may be too big - calculate the unnecessary + * data size + */ + if (i == op->num_children) + garbage_size = arg_sums[1] - size; + else + garbage_size = 0; + + if (!constructor_aggregate + (A, &flat, &op->children[i - 1], garbage_size)) + goto end; + } + + result = GL_TRUE; + end: + slang_storage_aggregate_destruct(&flat); + end2: + slang_storage_aggregate_destruct(&agg); + end1: + slang_assembly_typeinfo_destruct(&ti); + return result; } -/* _slang_assemble_constructor_from_swizzle() */ -GLboolean _slang_assemble_constructor_from_swizzle (slang_assemble_ctx *A, const slang_swizzle *swz, - slang_type_specifier *spec, slang_type_specifier *master_spec) + +GLboolean +_slang_assemble_constructor_from_swizzle(slang_assemble_ctx * A, + const slang_swizzle * swz, + slang_type_specifier * spec, + slang_type_specifier * master_spec) { - GLuint master_rows, i; - - master_rows = _slang_type_dim (master_spec->type); - for (i = 0; i < master_rows; i++) - { - switch (_slang_type_base (master_spec->type)) - { - case slang_spec_bool: - if (!slang_assembly_file_push_label2 (A->file, slang_asm_bool_copy, - (master_rows - i) * 4, i * 4)) - return GL_FALSE; - break; - case slang_spec_int: - if (!slang_assembly_file_push_label2 (A->file, slang_asm_int_copy, - (master_rows - i) * 4, i * 4)) - return GL_FALSE; - break; - case slang_spec_float: - if (!slang_assembly_file_push_label2 (A->file, slang_asm_float_copy, - (master_rows - i) * 4, i * 4)) - return GL_FALSE; - break; - default: - break; - } - } - if (!slang_assembly_file_push_label (A->file, slang_asm_local_free, 4)) - return GL_FALSE; - for (i = swz->num_components; i > 0; i--) - { - GLuint n = i - 1; - - if (!slang_assembly_file_push_label2 (A->file, slang_asm_local_addr, A->local.swizzle_tmp, 16)) - return GL_FALSE; - if (!slang_assembly_file_push_label (A->file, slang_asm_addr_push, swz->swizzle[n] * 4)) - return GL_FALSE; - if (!slang_assembly_file_push (A->file, slang_asm_addr_add)) - return GL_FALSE; - switch (_slang_type_base (master_spec->type)) - { - case slang_spec_bool: - if (!slang_assembly_file_push (A->file, slang_asm_bool_deref)) - return GL_FALSE; - break; - case slang_spec_int: - if (!slang_assembly_file_push (A->file, slang_asm_int_deref)) - return GL_FALSE; - break; - case slang_spec_float: - if (!slang_assembly_file_push (A->file, slang_asm_float_deref)) - return GL_FALSE; - break; - default: - break; - } - } - - return GL_TRUE; + GLuint master_rows, i; + + master_rows = _slang_type_dim(master_spec->type); + for (i = 0; i < master_rows; i++) { + switch (_slang_type_base(master_spec->type)) { + case slang_spec_bool: + if (!slang_assembly_file_push_label2(A->file, slang_asm_bool_copy, + (master_rows - i) * 4, i * 4)) + return GL_FALSE; + break; + case slang_spec_int: + if (!slang_assembly_file_push_label2(A->file, slang_asm_int_copy, + (master_rows - i) * 4, i * 4)) + return GL_FALSE; + break; + case slang_spec_float: + if (!slang_assembly_file_push_label2(A->file, slang_asm_float_copy, + (master_rows - i) * 4, i * 4)) + return GL_FALSE; + break; + default: + break; + } + } + if (!slang_assembly_file_push_label(A->file, slang_asm_local_free, 4)) + return GL_FALSE; + for (i = swz->num_components; i > 0; i--) { + GLuint n = i - 1; + + if (!slang_assembly_file_push_label2 + (A->file, slang_asm_local_addr, A->local.swizzle_tmp, 16)) + return GL_FALSE; + if (!slang_assembly_file_push_label + (A->file, slang_asm_addr_push, swz->swizzle[n] * 4)) + return GL_FALSE; + if (!slang_assembly_file_push(A->file, slang_asm_addr_add)) + return GL_FALSE; + switch (_slang_type_base(master_spec->type)) { + case slang_spec_bool: + if (!slang_assembly_file_push(A->file, slang_asm_bool_deref)) + return GL_FALSE; + break; + case slang_spec_int: + if (!slang_assembly_file_push(A->file, slang_asm_int_deref)) + return GL_FALSE; + break; + case slang_spec_float: + if (!slang_assembly_file_push(A->file, slang_asm_float_deref)) + return GL_FALSE; + break; + default: + break; + } + } + + return GL_TRUE; } - |