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[Kernel] Notes for VdGetCurrentDisplayGamma and VdSetDisplayMode.

This commit is contained in:
gibbed 2018-05-22 06:01:29 -05:00
parent 6e9994ee41
commit 53cf0c5be0
1 changed files with 24 additions and 4 deletions
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28
src/xenia/kernel/xboxkrnl/xboxkrnl_video.cc
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@ -37,9 +37,16 @@ namespace xboxkrnl {
// http://www.microsoft.com/en-za/download/details.aspx?id=5313 -- "Stripped
// Down Direct3D: Xbox 360 Command Buffer and Resource Management"
void VdGetCurrentDisplayGamma(lpdword_t arg0_ptr, lpfloat_t arg1_ptr) {
*arg0_ptr = 2;
*arg1_ptr = 2.22222233f;
void VdGetCurrentDisplayGamma(lpdword_t type_ptr, lpfloat_t unknown_ptr) {
/*
enum class GammaType {
SRGB = 1,
Unknown = 2,
Normal = 3,
};
*/
*type_ptr = 1;
*unknown_ptr = 1.0f; // maybe brightness?
}
DECLARE_XBOXKRNL_EXPORT(VdGetCurrentDisplayGamma, ExportTag::kVideo);
@ -144,8 +151,21 @@ dword_result_t VdQueryVideoFlags() {
}
DECLARE_XBOXKRNL_EXPORT(VdQueryVideoFlags, ExportTag::kVideo);
dword_result_t VdSetDisplayMode(dword_t mode) {
dword_result_t VdSetDisplayMode(dword_t flags) {
// Often 0x40000000.
// 0?ccf000 00000000 00000000 000000r0
// r: 0x00000002 | 1
// f: 0x08000000 | 27
// c: 0x30000000 | 28-29
// ?: 0x40000000 | 30
// r: 1 = Resolution is 720x480 or 720x576
// f: 1 = Texture format is k_2_10_10_10 or k_2_10_10_10_AS_16_16_16_16
// c: Color space (0 = RGB, 1 = ?, 2 = ?)
// ?: (always set?)
return 0;
}
DECLARE_XBOXKRNL_EXPORT(VdSetDisplayMode, ExportTag::kVideo | ExportTag::kStub);