mirror of
https://github.com/isledecomp/isle-portable.git
synced 2024-12-18 11:52:23 -05:00
374 lines
9.2 KiB
C++
374 lines
9.2 KiB
C++
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#include "legodxinfo.h"
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#include <assert.h>
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#include <stdio.h> // for vsprintf
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// File name validated by BETA10 0x1011cba3; directory unknown
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// FUNCTION: CONFIG 0x00402560
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// FUNCTION: LEGO1 0x1009ce60
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// FUNCTION: BETA10 0x1011c7e0
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int LegoDeviceEnumerate::ParseDeviceName(const char* p_deviceId)
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{
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if (!IsInitialized()) {
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return -1;
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}
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int unknown = -1;
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int num = -1;
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int hex[4];
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if (sscanf(p_deviceId, "%d 0x%x 0x%x 0x%x 0x%x", &num, &hex[0], &hex[1], &hex[2], &hex[3]) != 5) {
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return -1;
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}
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if (num < 0) {
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return -1;
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}
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GUID guid;
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memcpy(&guid, hex, sizeof(guid));
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int result = ProcessDeviceBytes(num, guid);
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if (result < 0) {
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result = ProcessDeviceBytes(-1, guid);
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}
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return result;
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}
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// FUNCTION: CONFIG 0x00402620
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// FUNCTION: LEGO1 0x1009cf20
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// FUNCTION: BETA10 0x1011c8b3
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int LegoDeviceEnumerate::ProcessDeviceBytes(int p_deviceNum, GUID& p_guid)
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{
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if (!IsInitialized()) {
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return -1;
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}
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int i = 0;
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int j = 0;
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static_assert(sizeof(GUID4) == sizeof(GUID), "Equal size");
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GUID4 deviceGuid;
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memcpy(&deviceGuid, &p_guid, sizeof(GUID4));
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for (list<MxDriver>::iterator it = m_list.begin(); it != m_list.end(); it++, i++) {
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if (p_deviceNum >= 0 && p_deviceNum < i) {
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return -1;
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}
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GUID4 compareGuid;
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MxDriver& driver = *it;
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for (list<Direct3DDeviceInfo>::iterator it2 = driver.m_devices.begin(); it2 != driver.m_devices.end(); it2++) {
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Direct3DDeviceInfo& md3d = *it2;
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assert(md3d.m_guid);
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memcpy(&compareGuid, md3d.m_guid, sizeof(GUID4));
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if (GUID4::Compare(compareGuid, deviceGuid) && i == p_deviceNum) {
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return j;
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}
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j++;
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}
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}
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return -1;
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}
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// FUNCTION: CONFIG 0x00402730
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// FUNCTION: LEGO1 0x1009d030
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// FUNCTION: BETA10 0x1011ca54
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int LegoDeviceEnumerate::GetDevice(int p_deviceNum, MxDriver*& p_driver, Direct3DDeviceInfo*& p_device)
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{
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if (p_deviceNum < 0 || !IsInitialized()) {
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return -1;
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}
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int i = 0;
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for (list<MxDriver>::iterator it = m_list.begin(); it != m_list.end(); it++) {
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p_driver = &*it;
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for (list<Direct3DDeviceInfo>::iterator it2 = p_driver->m_devices.begin(); it2 != p_driver->m_devices.end();
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it2++) {
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if (i == p_deviceNum) {
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p_device = &*it2;
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return 0;
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}
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i++;
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}
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}
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return -1;
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}
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// FUNCTION: CONFIG 0x004027d0
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// FUNCTION: BETA10 0x1011cb70
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int LegoDeviceEnumerate::FormatDeviceName(char* p_buffer, const MxDriver* p_ddInfo, const Direct3DDeviceInfo* p_d3dInfo)
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const
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{
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int number = 0;
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assert(p_ddInfo && p_d3dInfo);
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for (list<MxDriver>::const_iterator it = m_list.begin(); it != m_list.end(); it++, number++) {
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if (&(*it) == p_ddInfo) {
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GUID4 guid;
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memcpy(&guid, p_d3dInfo->m_guid, sizeof(GUID4));
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sprintf(p_buffer, "%d 0x%x 0x%x 0x%x 0x%x", number, guid.m_data1, guid.m_data2, guid.m_data3, guid.m_data4);
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return 0;
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}
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}
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return -1;
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}
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// FUNCTION: BETA10 0x1011cc65
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int LegoDeviceEnumerate::BETA_1011cc65(int p_idx, char* p_buffer)
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{
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if (p_idx < 0 || !IsInitialized()) {
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return -1;
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}
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int i = 0;
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int j = 0;
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for (list<MxDriver>::iterator it = m_list.begin(); it != m_list.end(); it++, i++) {
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MxDriver& driver = *it;
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for (list<Direct3DDeviceInfo>::iterator it2 = driver.m_devices.begin(); it2 != driver.m_devices.end(); it2++) {
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if (j == p_idx) {
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GUID4 guid;
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memcpy(&guid, &((Direct3DDeviceInfo&) *it2).m_guid, sizeof(GUID4));
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sprintf(p_buffer, "%d 0x%x 0x%x 0x%x 0x%x", i, guid.m_data1, guid.m_data2, guid.m_data3, guid.m_data4);
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return 0;
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}
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j++;
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}
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}
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return -1;
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}
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// FUNCTION: CONFIG 0x00402860
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// FUNCTION: LEGO1 0x1009d0d0
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// FUNCTION: BETA10 0x1011cdb4
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int LegoDeviceEnumerate::FUN_1009d0d0()
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{
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if (!IsInitialized()) {
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return -1;
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}
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if (m_list.size() == 0) {
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return -1;
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}
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int i = 0;
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int j = 0;
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int k = -1;
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int cpu_mmx = SupportsMMX();
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for (list<MxDriver>::iterator it = m_list.begin(); it != m_list.end(); it++, i++) {
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MxDriver& driver = *it;
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for (list<Direct3DDeviceInfo>::iterator it2 = driver.m_devices.begin(); it2 != driver.m_devices.end(); it2++) {
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if ((*it2).m_HWDesc.dcmColorModel) {
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return j;
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}
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else {
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if (cpu_mmx && (*it2).m_HELDesc.dcmColorModel == D3DCOLOR_RGB && i == 0) {
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k = j;
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}
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else if ((*it2).m_HELDesc.dcmColorModel == D3DCOLOR_MONO && i == 0 && k < 0) {
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k = j;
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}
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}
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j++;
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}
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}
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return k;
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}
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// FUNCTION: CONFIG 0x00402930
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// FUNCTION: LEGO1 0x1009d1a0
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// FUNCTION: BETA10 0x1011cf54
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int LegoDeviceEnumerate::SupportsMMX()
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{
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if (!SupportsCPUID()) {
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return 0;
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}
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int supports_mmx;
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#ifdef _MSC_VER
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__asm {
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mov eax, 0x0 ; EAX=0: Highest Function Parameter and Manufacturer ID
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#if _MSC_VER > 1100
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cpuid ; Run CPUID
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#else
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__emit 0x0f
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__emit 0xa2
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#endif
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mov eax, 0x1 ; EAX=1: Processor Info and Feature Bits (unused)
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#if _MSC_VER > 1100
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cpuid ; Run CPUID
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#else
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__emit 0x0f
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__emit 0xa2
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#endif
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xor eax, eax ; Zero EAX register
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bt edx, 0x17 ; Test bit 0x17 (23): MMX instructions (64-bit SIMD) (Store in CF)
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adc eax, eax ; Add with carry: EAX = EAX + EAX + CF = CF
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mov supports_mmx, eax ; Save eax into C variable
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}
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#else
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__asm__("movl $0x0, %%eax\n\t" // EAX=0: Highest Function Parameter and Manufacturer ID
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"cpuid\n\t" // Run CPUID\n"
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"mov $0x1, %%eax\n\t" // EAX=1: Processor Info and Feature Bits (unused)
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"cpuid\n\t" // Run CPUID
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"xorl %%eax, %%eax\n\t" // Zero EAX register
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"btl $0x15, %%edx\n\t" // Test bit 0x17 (23): MMX instructions (64-bit SIMD) (Store in CF)
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"adc %%eax, %%eax" // Add with carry: EAX = EAX + EAX + CF = CF
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: "=a"(supports_mmx) // supports_mmx == EAX
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);
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#endif
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return supports_mmx;
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}
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// FUNCTION: CONFIG 0x00402970
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// FUNCTION: LEGO1 0x1009d1e0
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// FUNCTION: BETA10 0x1011cf97
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int LegoDeviceEnumerate::SupportsCPUID()
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{
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int has_cpuid;
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#ifdef _MSC_VER
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#if defined(_M_IX86)
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__asm {
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xor eax, eax ; Zero EAX register
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pushfd ; Push EFLAGS register value on the stack
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or dword ptr[esp], 0x200000 ; Set bit 0x200000: Able to use CPUID instruction (Pentium+)
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popfd ; Write the updated value into the EFLAGS register
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pushfd ; Push EFLAGS register value on the stack (again)
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btr dword ptr[esp], 0x15 ; Test bit 0x15 (21) and reset (set CF)
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adc eax, eax ; Add with carry: EAX = EAX + EAX + CF = CF
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popfd ; Push EFLAGS register value on the stack (again, and makes sure the stack remains the same)
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mov has_cpuid, eax ; Save eax into C variable
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}
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#elif defined(_M_X64)
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has_cpuid = 1;
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#else
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has_cpuid = 0;
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#endif
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#else
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#if defined(__i386__)
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__asm__("xorl %%eax, %%eax\n\t" // Zero EAX register
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"pushfl\n\t" // Push EFLAGS register value on the stack
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"orl $0x200000, (%%esp)\n\t" // Set bit 0x200000: Able to use CPUID instruction (Pentium+)
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"popfl\n\t" // Write the updated value into the EFLAGS register
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"pushfl\n\t" // Push EFLAGS register value on the stack (again)
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"btrl $0x15, (%%esp)\n\t" // Test bit 0x15 (21) and reset (set CF)
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"adc %%eax, %%eax\n\t" // Add with carry: EAX = EAX + EAX + CF = CF
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"popfl" // Push EFLAGS register value on the stack (again, and makes sure the stack remains the same)
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: "=a"(has_cpuid) // has_cpuid == EAX
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);
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#elif defined(__x86_64__) || defined(__amd64__)
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has_cpuid = 1;
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#else
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has_cpuid = 0;
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#endif
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#endif
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return has_cpuid;
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}
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// FUNCTION: CONFIG 0x004029a0
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// FUNCTION: LEGO1 0x1009d210
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// FUNCTION: BETA10 0x1011cfc4
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int LegoDeviceEnumerate::FUN_1009d210()
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{
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if (!IsInitialized()) {
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return -1;
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}
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for (list<MxDriver>::iterator it = m_list.begin(); it != m_list.end();) {
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if (!DriverSupportsRequiredDisplayMode(*it)) {
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m_list.erase(it++);
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continue;
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}
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MxDriver& driver = *it;
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for (list<Direct3DDeviceInfo>::iterator it2 = driver.m_devices.begin(); it2 != driver.m_devices.end();) {
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if (!FUN_1009d3d0(*it2)) {
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driver.m_devices.erase(it2++);
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}
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else {
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it2++;
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}
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}
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if (!driver.m_devices.size()) {
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m_list.erase(it++);
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}
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else {
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it++;
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}
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}
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if (!m_list.size()) {
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return -1;
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}
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return 0;
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}
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// FUNCTION: CONFIG 0x00402b00
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// FUNCTION: LEGO1 0x1009d370
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// FUNCTION: BETA10 0x1011d176
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unsigned char LegoDeviceEnumerate::DriverSupportsRequiredDisplayMode(MxDriver& p_driver)
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{
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for (list<MxDisplayMode>::iterator it = p_driver.m_displayModes.begin(); it != p_driver.m_displayModes.end();
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it++) {
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if ((*it).m_width == 640 && (*it).m_height == 480) {
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if ((*it).m_bitsPerPixel == 8 || (*it).m_bitsPerPixel == 16) {
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return TRUE;
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}
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}
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}
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return FALSE;
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}
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// FUNCTION: CONFIG 0x00402b60
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// FUNCTION: LEGO1 0x1009d3d0
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// FUNCTION: BETA10 0x1011d235
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unsigned char LegoDeviceEnumerate::FUN_1009d3d0(Direct3DDeviceInfo& p_device)
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{
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if (m_list.size() <= 0) {
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return FALSE;
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}
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if (p_device.m_HWDesc.dcmColorModel) {
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if (p_device.m_HWDesc.dwDeviceZBufferBitDepth & DDBD_16 &&
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p_device.m_HWDesc.dpcTriCaps.dwTextureCaps & D3DPTEXTURECAPS_PERSPECTIVE) {
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return TRUE;
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}
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else {
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return FALSE;
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}
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}
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MxDriver& front = m_list.front();
|
||
|
|
for (list<Direct3DDeviceInfo>::iterator it = front.m_devices.begin(); it != front.m_devices.end(); it++) {
|
||
|
|
if ((&*it) == &p_device) {
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return FALSE;
|
||
|
|
}
|