From: Francisco Casas fcasas@codeweavers.com
Variables that contain more than one object (arrays or structs) require the allocation of contiguous registers in the respective object register spaces. --- libs/vkd3d-shader/d3dbc.c | 14 ++--- libs/vkd3d-shader/hlsl.c | 8 ++- libs/vkd3d-shader/hlsl.h | 11 +++- libs/vkd3d-shader/hlsl_codegen.c | 83 ++++++++++++++++++------- libs/vkd3d-shader/tpf.c | 17 ++++- tests/register-reservations.shader_test | 2 +- 6 files changed, 94 insertions(+), 41 deletions(-)
diff --git a/libs/vkd3d-shader/d3dbc.c b/libs/vkd3d-shader/d3dbc.c index adc7544c..22f9a193 100644 --- a/libs/vkd3d-shader/d3dbc.c +++ b/libs/vkd3d-shader/d3dbc.c @@ -1323,19 +1323,15 @@ static void write_sm1_uniforms(struct hlsl_ctx *ctx, struct vkd3d_bytecode_buffe if (!var->semantic.name && var->regs[regset].allocated) { put_u32(buffer, 0); /* name */ - if (var->data_type->class == HLSL_CLASS_OBJECT - && (var->data_type->base_type == HLSL_TYPE_SAMPLER - || var->data_type->base_type == HLSL_TYPE_TEXTURE)) + if (regset == HLSL_REGSET_NUMERIC) { - assert(regset == HLSL_REGSET_SAMPLERS); - put_u32(buffer, vkd3d_make_u32(D3DXRS_SAMPLER, var->regs[regset].id)); - put_u32(buffer, 1); + put_u32(buffer, vkd3d_make_u32(D3DXRS_FLOAT4, var->regs[regset].id)); + put_u32(buffer, var->data_type->reg_size[regset] / 4); } else { - assert(regset == HLSL_REGSET_NUMERIC); - put_u32(buffer, vkd3d_make_u32(D3DXRS_FLOAT4, var->regs[regset].id)); - put_u32(buffer, var->data_type->reg_size[regset] / 4); + put_u32(buffer, vkd3d_make_u32(D3DXRS_SAMPLER, var->regs[regset].id)); + put_u32(buffer, var->regs[regset].bind_count); } put_u32(buffer, 0); /* type */ put_u32(buffer, 0); /* FIXME: default value */ diff --git a/libs/vkd3d-shader/hlsl.c b/libs/vkd3d-shader/hlsl.c index 51da0510..e771c7ac 100644 --- a/libs/vkd3d-shader/hlsl.c +++ b/libs/vkd3d-shader/hlsl.c @@ -173,6 +173,9 @@ unsigned int hlsl_get_multiarray_size(const struct hlsl_type *type)
bool hlsl_type_is_resource(const struct hlsl_type *type) { + if (type->class == HLSL_CLASS_ARRAY) + return hlsl_type_is_resource(type->e.array.type); + if (type->class == HLSL_CLASS_OBJECT) { switch (type->base_type) @@ -193,6 +196,9 @@ enum hlsl_regset hlsl_type_get_regset(const struct hlsl_type *type) if (type->class <= HLSL_CLASS_LAST_NUMERIC) return HLSL_REGSET_NUMERIC;
+ if (type->class == HLSL_CLASS_ARRAY) + return hlsl_type_get_regset(type->e.array.type); + if (type->class == HLSL_CLASS_OBJECT) { switch (type->base_type) @@ -210,8 +216,6 @@ enum hlsl_regset hlsl_type_get_regset(const struct hlsl_type *type) vkd3d_unreachable(); } } - else if (type->class == HLSL_CLASS_ARRAY) - return hlsl_type_get_regset(type->e.array.type);
vkd3d_unreachable(); } diff --git a/libs/vkd3d-shader/hlsl.h b/libs/vkd3d-shader/hlsl.h index b15950f4..0ce6a628 100644 --- a/libs/vkd3d-shader/hlsl.h +++ b/libs/vkd3d-shader/hlsl.h @@ -240,16 +240,21 @@ struct hlsl_struct_field size_t name_bytecode_offset; };
-/* Information of the register allocated for an instruction node or variable. +/* Information of the register(s) allocated for an instruction node or variable. * These values are initialized at the end of hlsl_emit_bytecode(), after the compilation passes, * just before writing the bytecode. - * For numeric registers, a writemask can be provided to indicate the reservation of only some of the - * 4 components. * The type of register (register class) is implied from its use, so it is not stored in this * struct. */ struct hlsl_reg { + /* Index of the first register allocated. */ uint32_t id; + /* Number of registers to be allocated. + * Unlike the variable's type's regsize, it is not expressed in register components, but rather + * in whole registers, and may depend on which components are used within the shader. */ + uint32_t bind_count; + /* For numeric registers, a writemask can be provided to indicate the reservation of only some + * of the 4 components. */ unsigned int writemask; /* Whether the register has been allocated. */ bool allocated; diff --git a/libs/vkd3d-shader/hlsl_codegen.c b/libs/vkd3d-shader/hlsl_codegen.c index c103841d..d6a3fba5 100644 --- a/libs/vkd3d-shader/hlsl_codegen.c +++ b/libs/vkd3d-shader/hlsl_codegen.c @@ -2523,8 +2523,10 @@ static void allocate_register_reservations(struct hlsl_ctx *ctx) { var->regs[regset].allocated = true; var->regs[regset].id = var->reg_reservation.reg_index; - TRACE("Allocated reserved %s to %c%u.\n", var->name, var->reg_reservation.reg_type, - var->reg_reservation.reg_index); + var->regs[regset].bind_count = var->data_type->reg_size[regset]; + TRACE("Allocated reserved %s to %c%u-%c%u.\n", var->name, var->reg_reservation.reg_type, + var->reg_reservation.reg_index, var->reg_reservation.reg_type, + var->reg_reservation.reg_index + var->regs[regset].bind_count); } } } @@ -2750,6 +2752,7 @@ static struct hlsl_reg allocate_register(struct hlsl_ctx *ctx, struct liveness * liveness->regs[component_idx + i].last_read = last_read; } ret.id = component_idx / 4; + ret.bind_count = 1; ret.writemask = hlsl_combine_writemasks(writemask, (1u << component_count) - 1); ret.allocated = true; liveness->reg_count = max(liveness->reg_count, ret.id + 1); @@ -2787,6 +2790,7 @@ static struct hlsl_reg allocate_range(struct hlsl_ctx *ctx, struct liveness *liv for (i = 0; i < reg_size; ++i) liveness->regs[component_idx + i].last_read = last_read; ret.id = component_idx / 4; + ret.bind_count = align(reg_size, 4) / 4; ret.allocated = true; liveness->reg_count = max(liveness->reg_count, ret.id + align(reg_size, 4)); return ret; @@ -3080,6 +3084,7 @@ static void allocate_semantic_register(struct hlsl_ctx *ctx, struct hlsl_ir_var { var->regs[HLSL_REGSET_NUMERIC].allocated = true; var->regs[HLSL_REGSET_NUMERIC].id = (*counter)++; + var->regs[HLSL_REGSET_NUMERIC].bind_count = 1; var->regs[HLSL_REGSET_NUMERIC].writemask = (1 << var->data_type->dimx) - 1; TRACE("Allocated %s to %s.\n", var->name, debug_register(output ? 'o' : 'v', var->regs[HLSL_REGSET_NUMERIC], var->data_type)); @@ -3258,6 +3263,7 @@ static void allocate_buffers(struct hlsl_ctx *ctx) }
buffer->reg.id = buffer->reservation.reg_index; + buffer->reg.bind_count = 1; buffer->reg.allocated = true; TRACE("Allocated reserved %s to cb%u.\n", buffer->name, index); } @@ -3267,6 +3273,7 @@ static void allocate_buffers(struct hlsl_ctx *ctx) ++index;
buffer->reg.id = index; + buffer->reg.bind_count = 1; buffer->reg.allocated = true; TRACE("Allocated %s to cb%u.\n", buffer->name, index); ++index; @@ -3288,13 +3295,17 @@ static const struct hlsl_ir_var *get_allocated_object(struct hlsl_ctx *ctx, enum uint32_t index) { const struct hlsl_ir_var *var; + unsigned int start, count;
LIST_FOR_EACH_ENTRY(var, &ctx->extern_vars, const struct hlsl_ir_var, extern_entry) { if (!var->regs[regset].allocated) continue;
- if (index == var->regs[regset].id) + start = var->regs[regset].id; + count = var->regs[regset].bind_count; + + if (start <= index && index < start + count) return var; } return NULL; @@ -3305,7 +3316,6 @@ static void allocate_objects(struct hlsl_ctx *ctx, enum hlsl_regset regset) char regset_name = get_regset_name(regset); struct hlsl_ir_var *var; uint32_t min_index = 0; - uint32_t index;
if (regset == HLSL_REGSET_UAVS) { @@ -3317,19 +3327,17 @@ static void allocate_objects(struct hlsl_ctx *ctx, enum hlsl_regset regset) } }
- index = min_index; - LIST_FOR_EACH_ENTRY(var, &ctx->extern_vars, struct hlsl_ir_var, extern_entry) { - if (!var->last_read || !var->data_type->reg_size[regset]) + unsigned int count = var->regs[regset].bind_count; + + if (count == 0) continue;
if (var->regs[regset].allocated) { - const struct hlsl_ir_var *reserved_object; - unsigned int index = var->regs[regset].id; - - reserved_object = get_allocated_object(ctx, regset, index); + const struct hlsl_ir_var *reserved_object, *last_reported = NULL; + unsigned int index, i;
if (var->regs[regset].id < min_index) { @@ -3337,28 +3345,44 @@ static void allocate_objects(struct hlsl_ctx *ctx, enum hlsl_regset regset) hlsl_error(ctx, &var->loc, VKD3D_SHADER_ERROR_HLSL_OVERLAPPING_RESERVATIONS, "UAV index (%u) must be higher than the maximum render target index (%u).", var->regs[regset].id, min_index - 1); + continue; } - else if (reserved_object && reserved_object != var) + + for (i = 0; i < count; ++i) { - hlsl_error(ctx, &var->loc, VKD3D_SHADER_ERROR_HLSL_OVERLAPPING_RESERVATIONS, - "Multiple objects bound to %c%u.", regset_name, index); - hlsl_note(ctx, &reserved_object->loc, VKD3D_SHADER_LOG_ERROR, - "Object '%s' is already bound to %c%u.", reserved_object->name, - regset_name, index); - } + index = var->regs[regset].id + i;
- var->regs[regset].id = var->reg_reservation.reg_index; - var->regs[regset].allocated = true; - TRACE("Allocated reserved %s to %c%u.\n", var->name, regset_name, var->regs[regset].id); + reserved_object = get_allocated_object(ctx, regset, index); + if (reserved_object && reserved_object != var && reserved_object != last_reported) + { + hlsl_error(ctx, &var->loc, VKD3D_SHADER_ERROR_HLSL_OVERLAPPING_RESERVATIONS, + "Multiple variables bound to %c%u.", regset_name, index); + hlsl_note(ctx, &reserved_object->loc, VKD3D_SHADER_LOG_ERROR, + "Variable '%s' is already bound to %c%u.", reserved_object->name, + regset_name, index); + last_reported = reserved_object; + } + } } else { - while (get_allocated_object(ctx, regset, index)) + unsigned int index = min_index; + unsigned int available = 0; + + while (available < count) + { + if (get_allocated_object(ctx, regset, index)) + available = 0; + else + ++available; ++index; + } + index -= count;
var->regs[regset].id = index; var->regs[regset].allocated = true; - TRACE("Allocated object to %c%u.\n", regset_name, index); + TRACE("Allocated variable %s to %c%u-%c%u.\n", var->name, regset_name, index, regset_name, + index + count); ++index; } } @@ -3684,6 +3708,19 @@ int hlsl_emit_bytecode(struct hlsl_ctx *ctx, struct hlsl_ir_function_decl *entry rb_for_each_entry(&ctx->functions, dump_function, ctx);
allocate_register_reservations(ctx); + + /* For now, request all the registers for each variable, as long as it is used. */ + LIST_FOR_EACH_ENTRY(var, &ctx->extern_vars, struct hlsl_ir_var, extern_entry) + { + unsigned int k; + + for (k = 0; k <= HLSL_REGSET_LAST_OBJECT; ++k) + { + if (!var->regs[k].allocated) + var->regs[k].bind_count = var->last_read ? var->data_type->reg_size[k] : 0; + } + } + allocate_temp_registers(ctx, entry_func); if (profile->major_version < 4) { diff --git a/libs/vkd3d-shader/tpf.c b/libs/vkd3d-shader/tpf.c index 38d5c180..64ec3c57 100644 --- a/libs/vkd3d-shader/tpf.c +++ b/libs/vkd3d-shader/tpf.c @@ -2595,6 +2595,9 @@ static void write_sm4_type(struct hlsl_ctx *ctx, struct vkd3d_bytecode_buffer *b
static D3D_SHADER_INPUT_TYPE sm4_resource_type(const struct hlsl_type *type) { + if (type->class == HLSL_CLASS_ARRAY) + return sm4_resource_type(type->e.array.type); + switch (type->base_type) { case HLSL_TYPE_SAMPLER: @@ -2610,6 +2613,9 @@ static D3D_SHADER_INPUT_TYPE sm4_resource_type(const struct hlsl_type *type)
static D3D_RESOURCE_RETURN_TYPE sm4_resource_format(const struct hlsl_type *type) { + if (type->class == HLSL_CLASS_ARRAY) + return sm4_resource_format(type->e.array.type); + switch (type->e.resource_format->base_type) { case HLSL_TYPE_DOUBLE: @@ -2634,6 +2640,9 @@ static D3D_RESOURCE_RETURN_TYPE sm4_resource_format(const struct hlsl_type *type
static D3D_SRV_DIMENSION sm4_rdef_resource_dimension(const struct hlsl_type *type) { + if (type->class == HLSL_CLASS_ARRAY) + return sm4_rdef_resource_dimension(type->e.array.type); + switch (type->sampler_dim) { case HLSL_SAMPLER_DIM_1D: @@ -3037,7 +3046,9 @@ static void sm4_register_from_deref(struct hlsl_ctx *ctx, struct sm4_register *r
if (var->is_uniform) { - if (data_type->class == HLSL_CLASS_OBJECT && data_type->base_type == HLSL_TYPE_TEXTURE) + enum hlsl_regset regset = hlsl_type_get_regset(data_type); + + if (regset == HLSL_REGSET_TEXTURES) { reg->type = VKD3D_SM4_RT_RESOURCE; reg->dim = VKD3D_SM4_DIMENSION_VEC4; @@ -3047,7 +3058,7 @@ static void sm4_register_from_deref(struct hlsl_ctx *ctx, struct sm4_register *r reg->idx_count = 1; *writemask = VKD3DSP_WRITEMASK_ALL; } - else if (data_type->class == HLSL_CLASS_OBJECT && data_type->base_type == HLSL_TYPE_UAV) + else if (regset == HLSL_REGSET_UAVS) { reg->type = VKD3D_SM5_RT_UAV; reg->dim = VKD3D_SM4_DIMENSION_VEC4; @@ -3057,7 +3068,7 @@ static void sm4_register_from_deref(struct hlsl_ctx *ctx, struct sm4_register *r reg->idx_count = 1; *writemask = VKD3DSP_WRITEMASK_ALL; } - else if (data_type->class == HLSL_CLASS_OBJECT && data_type->base_type == HLSL_TYPE_SAMPLER) + else if (regset == HLSL_REGSET_SAMPLERS) { reg->type = VKD3D_SM4_RT_SAMPLER; reg->dim = VKD3D_SM4_DIMENSION_NONE; diff --git a/tests/register-reservations.shader_test b/tests/register-reservations.shader_test index b60e980b..16aee594 100644 --- a/tests/register-reservations.shader_test +++ b/tests/register-reservations.shader_test @@ -80,4 +80,4 @@ float4 main() : sv_target
[test] draw quad -todo probe all rgba (4.0, 4.0, 4.0, 99.0) +probe all rgba (4.0, 4.0, 4.0, 99.0)