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[spirv] Add method to retrieve literal string from instruction

This commit is contained in:
Philip Rebohle 2019-11-19 12:49:07 +01:00
parent 8252d1ccd5
commit 5a2fd7c71b
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GPG Key ID: C8CC613427A31C99
1 changed files with 19 additions and 7 deletions
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26
src/spirv/spirv_instruction.h
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@ -54,23 +54,35 @@ namespace dxvk {
* take 64-bit arguments which require more than one DWORD.
* Arguments start at index 1. Calling this method with an
* argument ID of 0 will return the opcode token.
* \param [in] id Argument index, starting at 1
* \param [in] idx Argument index, starting at 1
* \returns The argument value
*/
uint32_t arg(uint32_t id) const {
const uint32_t index = m_offset + id;
uint32_t arg(uint32_t idx) const {
const uint32_t index = m_offset + idx;
return index < m_length ? m_code[index] : 0;
}
/**
* \brief Argument string
*
* Retrieves a pointer to a UTF-8-encoded string.
* \param [in] idx Argument index, starting at 1
* \returns Pointer to the literal string
*/
const char* chr(uint32_t idx) const {
const uint32_t index = m_offset + idx;
return index < m_length ? reinterpret_cast<const char*>(&m_code[index]) : nullptr;
}
/**
* \brief Changes the value of an argument
*
* \param [in] id Argument index, starting at 1
* \param [in] idx Argument index, starting at 1
* \param [in] word New argument word
*/
void setArg(uint32_t id, uint32_t word) const {
if (m_offset + id < m_length)
m_code[m_offset + id] = word;
void setArg(uint32_t idx, uint32_t word) const {
if (m_offset + idx < m_length)
m_code[m_offset + idx] = word;
}
private: