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libs/vkd3d-shader: Avoid potential stack smashing.

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This commit is contained in:
Józef Kucia
2017-10-25 22:55:39 +02:00
parent 7b5d745ef5
commit 3340cafdc4
1 changed files with 4 additions and 1 deletions
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5
libs/vkd3d-shader/spirv.c
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@@ -5552,14 +5552,17 @@ void vkd3d_dxbc_compiler_handle_instruction(struct vkd3d_dxbc_compiler *compiler
static void vkd3d_dxbc_compiler_emit_output_setup_function(struct vkd3d_dxbc_compiler *compiler) static void vkd3d_dxbc_compiler_emit_output_setup_function(struct vkd3d_dxbc_compiler *compiler)
{ {
uint32_t void_id, type_id, ptr_type_id, function_type_id, function_id, val_id; uint32_t void_id, type_id, ptr_type_id, function_type_id, function_id, val_id;
uint32_t param_type_id[MAX_REG_OUTPUT + 1], param_id[MAX_REG_OUTPUT + 1] = {};
const struct vkd3d_shader_signature *signature = compiler->output_signature; const struct vkd3d_shader_signature *signature = compiler->output_signature;
uint32_t param_type_id[MAX_REG_OUTPUT], param_id[MAX_REG_OUTPUT] = {};
struct vkd3d_spirv_builder *builder = &compiler->spirv_builder; struct vkd3d_spirv_builder *builder = &compiler->spirv_builder;
DWORD write_mask, variable_idx; DWORD write_mask, variable_idx;
unsigned int i, count; unsigned int i, count;
function_id = compiler->output_setup_function_id; function_id = compiler->output_setup_function_id;
assert(ARRAY_SIZE(compiler->private_output_variable) == ARRAY_SIZE(param_id));
assert(ARRAY_SIZE(compiler->private_output_variable) == ARRAY_SIZE(param_type_id));
void_id = vkd3d_spirv_get_op_type_void(builder); void_id = vkd3d_spirv_get_op_type_void(builder);
type_id = vkd3d_spirv_get_type_id(builder, VKD3D_TYPE_FLOAT, 4); type_id = vkd3d_spirv_get_type_id(builder, VKD3D_TYPE_FLOAT, 4);
ptr_type_id = vkd3d_spirv_get_op_type_pointer(builder, SpvStorageClassPrivate, type_id); ptr_type_id = vkd3d_spirv_get_op_type_pointer(builder, SpvStorageClassPrivate, type_id);