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core: Add support for HDR and color management protocols (#8715)

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UjinT34 2025-01-07 21:32:50 +03:00 • committed by GitHub
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commit 830350a1f7
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src/protocols/types/ColorManagement.hpp Normal file
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#pragma once
#include "xx-color-management-v4.hpp"
struct SImageDescription {
int iccFd = -1;
uint32_t iccSize = 0;
xxColorManagerV4TransferFunction transferFunction = XX_COLOR_MANAGER_V4_TRANSFER_FUNCTION_SRGB;
float transferFunctionPower = 1.0f;
bool primariesNameSet = false;
xxColorManagerV4Primaries primariesNamed = XX_COLOR_MANAGER_V4_PRIMARIES_SRGB;
// primaries are stored as FP values with the same scale as standard defines (0.0 - 1.0)
// wayland protocol expects int32_t values multiplied by 10000
// drm expects uint16_t values multiplied by 50000
// frog protocol expects drm values
struct SPCPRimaries {
struct {
float x = 0;
float y = 0;
} red, green, blue, white;
} primaries, masteringPrimaries;
// luminances in cd/m²
// protos and drm expect min * 10000
struct SPCLuminances {
float min = 0.2; // 0.2 cd/m²
uint32_t max = 80; // 80 cd/m²
uint32_t reference = 80; // 80 cd/m²
} luminances;
struct SPCMasteringLuminances {
float min = 0;
uint32_t max = 0;
} masteringLuminances;
uint32_t maxCLL = 0;
uint32_t maxFALL = 0;
};
namespace NColorPrimaries {
static const auto BT709 =
SImageDescription::SPCPRimaries{.red = {.x = 0.64, .y = 0.33}, .green = {.x = 0.30, .y = 0.60}, .blue = {.x = 0.15, .y = 0.06}, .white = {.x = 0.3127, .y = 0.3290}};
static const auto BT2020 =
SImageDescription::SPCPRimaries{.red = {.x = 0.708, .y = 0.292}, .green = {.x = 0.170, .y = 0.797}, .blue = {.x = 0.131, .y = 0.046}, .white = {.x = 0.3127, .y = 0.3290}};
}