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[Kernel] Expose display gamma as gflags

This commit is contained in:
Triang3l 2019-03-03 18:31:54 +03:00
parent 142148e594
commit 3f576b0d5a
1 changed files with 16 additions and 10 deletions
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26
src/xenia/kernel/xboxkrnl/xboxkrnl_video.cc
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@ -9,6 +9,8 @@
#include "xenia/kernel/xboxkrnl/xboxkrnl_video.h"
#include <gflags/gflags.h>
#include "xenia/base/logging.h"
#include "xenia/emulator.h"
#include "xenia/gpu/graphics_system.h"
@ -20,6 +22,12 @@
#include "xenia/kernel/xboxkrnl/xboxkrnl_rtl.h"
#include "xenia/xbox.h"
DEFINE_int32(kernel_display_gamma_type, 1,
"Display gamma type: 0 - linear, 1 - sRGB, 2 - TV (BT.709), "
"3 - power specified via kernel_display_gamma_power.");
DEFINE_double(kernel_display_gamma_power, 2.22222233,
"Display gamma to use with kernel_display_gamma_type 3.");
namespace xe {
namespace kernel {
namespace xboxkrnl {
@ -37,16 +45,14 @@ namespace xboxkrnl {
// https://www.microsoft.com/en-za/download/details.aspx?id=5313 -- "Stripped
// Down Direct3D: Xbox 360 Command Buffer and Resource Management"
void VdGetCurrentDisplayGamma(lpdword_t type_ptr, lpfloat_t unknown_ptr) {
/*
enum class GammaType {
SRGB = 1,
Unknown = 2,
Linear = 3,
};
*/
*type_ptr = 1;
*unknown_ptr = 2.22222233f; // maybe brightness?
void VdGetCurrentDisplayGamma(lpdword_t type_ptr, lpfloat_t power_ptr) {
// 1 - sRGB.
// 2 - TV (BT.709).
// 3 - use the power written to *power_ptr.
// Anything else - linear.
// Used in D3D SetGammaRamp/SetPWLGamma to adjust the ramp for the display.
*type_ptr = uint32_t(FLAGS_kernel_display_gamma_type);
*power_ptr = float(FLAGS_kernel_display_gamma_power);
}
DECLARE_XBOXKRNL_EXPORT1(VdGetCurrentDisplayGamma, kVideo, kStub);