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vkd3d-shader/ir: Introduce a helper for validating SWITCH_MONOLITHIC.

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Giovanni Mascellani 2024-09-11 17:07:13 +02:00 committed by Henri Verbeet
parent ce6306c6fb
commit 9696a0cd4a
Notes: Henri Verbeet 2024-09-14 16:54:24 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1073
1 changed files with 62 additions and 59 deletions
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93
libs/vkd3d-shader/ir.c
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@ -6303,6 +6303,53 @@ static void vsir_validate_switch(struct validation_context *ctx, const struct vk
vsir_validator_push_block(ctx, VKD3DSIH_SWITCH);
}
static void vsir_validate_switch_monolithic(struct validation_context *ctx,
const struct vkd3d_shader_instruction *instruction)
{
unsigned int i, case_count;
vsir_validate_cf_type(ctx, instruction, VSIR_CF_BLOCKS);
/* Parameters are source, default label, merge label and
* then pairs of constant value and case label. */
if (!vsir_validate_src_min_count(ctx, instruction, 3))
return;
if (instruction->src_count % 2 != 1)
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_SOURCE_COUNT,
"Invalid source count %u for a monolithic SWITCH instruction, it must be an odd number.",
instruction->src_count);
if (!vsir_register_is_label(&instruction->src[1].reg))
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_REGISTER_TYPE,
"Invalid default label register of type %#x in monolithic SWITCH instruction, expected LABEL.",
instruction->src[1].reg.type);
if (!vsir_register_is_label(&instruction->src[2].reg))
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_REGISTER_TYPE,
"Invalid merge label register of type %#x in monolithic SWITCH instruction, expected LABEL.",
instruction->src[2].reg.type);
case_count = (instruction->src_count - 3) / 2;
for (i = 0; i < case_count; ++i)
{
unsigned int value_idx = 3 + 2 * i;
unsigned int label_idx = 3 + 2 * i + 1;
if (!register_is_constant(&instruction->src[value_idx].reg))
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_REGISTER_TYPE,
"Invalid value register for case %u of type %#x in monolithic SWITCH instruction, "
"expected IMMCONST or IMMCONST64.", i, instruction->src[value_idx].reg.type);
if (!vsir_register_is_label(&instruction->src[label_idx].reg))
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_REGISTER_TYPE,
"Invalid label register for case %u of type %#x in monolithic SWITCH instruction, "
"expected LABEL.", i, instruction->src[value_idx].reg.type);
}
}
struct vsir_validator_instruction_desc
{
unsigned int dst_param_count;
@ -6326,6 +6373,7 @@ static const struct vsir_validator_instruction_desc vsir_validator_instructions[
[VKD3DSIH_REP] = {0, 1, vsir_validate_rep},
[VKD3DSIH_RET] = {0, 0, vsir_validate_ret},
[VKD3DSIH_SWITCH] = {0, 1, vsir_validate_switch},
[VKD3DSIH_SWITCH_MONOLITHIC] = {0, ~0u, vsir_validate_switch_monolithic},
};
static void vsir_validate_instruction(struct validation_context *ctx)
@ -6488,51 +6536,6 @@ static void vsir_validate_instruction(struct validation_context *ctx)
switch (instruction->opcode)
{
case VKD3DSIH_SWITCH_MONOLITHIC:
{
unsigned int case_count;
vsir_validate_cf_type(ctx, instruction, VSIR_CF_BLOCKS);
vsir_validate_dst_count(ctx, instruction, 0);
/* Parameters are source, default label, merge label and
* then pairs of constant value and case label. */
if (!vsir_validate_src_min_count(ctx, instruction, 3))
break;
if (instruction->src_count % 2 != 1)
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_SOURCE_COUNT,
"Invalid source count %u for a monolithic SWITCH instruction, it must be an odd number.",
instruction->src_count);
if (!vsir_register_is_label(&instruction->src[1].reg))
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_REGISTER_TYPE,
"Invalid default label register of type %#x in monolithic SWITCH instruction, expected LABEL.",
instruction->src[1].reg.type);
if (!vsir_register_is_label(&instruction->src[2].reg))
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_REGISTER_TYPE,
"Invalid merge label register of type %#x in monolithic SWITCH instruction, expected LABEL.",
instruction->src[2].reg.type);
case_count = (instruction->src_count - 3) / 2;
for (i = 0; i < case_count; ++i)
{
unsigned int value_idx = 3 + 2 * i;
unsigned int label_idx = 3 + 2 * i + 1;
if (!register_is_constant(&instruction->src[value_idx].reg))
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_REGISTER_TYPE,
"Invalid value register for case %zu of type %#x in monolithic SWITCH instruction, "
"expected IMMCONST or IMMCONST64.", i, instruction->src[value_idx].reg.type);
if (!vsir_register_is_label(&instruction->src[label_idx].reg))
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_REGISTER_TYPE,
"Invalid label register for case %zu of type %#x in monolithic SWITCH instruction, "
"expected LABEL.", i, instruction->src[value_idx].reg.type);
}
break;
}
case VKD3DSIH_PHI:
{
unsigned int incoming_count;