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renderer: fix screen export back to srgb (#13148)

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UjinT34 2026-02-02 23:33:03 +03:00 • committed by GitHub
parent a0ec2e4daf
commit 9433060760
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GPG key ID: B5690EEEBB952194
1 changed files with 23 additions and 21 deletions
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44
src/render/OpenGL.cpp
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@ -1374,16 +1374,21 @@ void CHyprOpenGLImpl::renderTextureInternal(SP<CTexture> tex, const CBox& box, c
tex->setTexParameter(GL_TEXTURE_MIN_FILTER, tex->minFilter);
}
const bool isHDRSurface = m_renderData.surface.valid() && m_renderData.surface->m_colorManagement.valid() ? m_renderData.surface->m_colorManagement->isHDR() : false;
const bool canPassHDRSurface = isHDRSurface && !m_renderData.surface->m_colorManagement->isWindowsScRGB(); // windows scRGB requires CM shader
const bool isHDRSurface = m_renderData.surface.valid() && m_renderData.surface->m_colorManagement.valid() ? m_renderData.surface->m_colorManagement->isHDR() : false;
const bool canPassHDRSurface = isHDRSurface && !m_renderData.surface->m_colorManagement->isWindowsScRGB(); // windows scRGB requires CM shader
const auto imageDescription = m_renderData.surface.valid() && m_renderData.surface->m_colorManagement.valid() ?
CImageDescription::from(m_renderData.surface->m_colorManagement->imageDescription()) :
(data.cmBackToSRGB ? data.cmBackToSRGBSource->m_imageDescription : DEFAULT_IMAGE_DESCRIPTION);
const auto imageDescription = m_renderData.surface.valid() && m_renderData.surface->m_colorManagement.valid() ?
CImageDescription::from(m_renderData.surface->m_colorManagement->imageDescription()) :
(data.cmBackToSRGB ? data.cmBackToSRGBSource->m_imageDescription : DEFAULT_IMAGE_DESCRIPTION);
const bool skipCM = !*PENABLECM || !m_cmSupported /* CM unsupported or disabled */
|| m_renderData.pMonitor->doesNoShaderCM() /* no shader needed */
|| (imageDescription->id() == m_renderData.pMonitor->m_imageDescription->id() && !data.cmBackToSRGB) /* Source and target have the same image description */
static auto PSDREOTF = CConfigValue<Hyprlang::INT>("render:cm_sdr_eotf");
auto chosenSdrEotf = *PSDREOTF != 3 ? NColorManagement::CM_TRANSFER_FUNCTION_GAMMA22 : NColorManagement::CM_TRANSFER_FUNCTION_SRGB;
const auto targetImageDescription =
data.cmBackToSRGB ? CImageDescription::from(NColorManagement::SImageDescription{.transferFunction = chosenSdrEotf}) : m_renderData.pMonitor->m_imageDescription;
const bool skipCM = !*PENABLECM || !m_cmSupported /* CM unsupported or disabled */
|| m_renderData.pMonitor->doesNoShaderCM() /* no shader needed */
|| (imageDescription->id() == targetImageDescription->id() && !data.cmBackToSRGB) /* Source and target have the same image description */
|| (((*PPASS && canPassHDRSurface) ||
(*PPASS == 1 && !isHDRSurface && m_renderData.pMonitor->m_cmType != NCMType::CM_HDR && m_renderData.pMonitor->m_cmType != NCMType::CM_HDR_EDID)) &&
m_renderData.pMonitor->inFullscreenMode()) /* Fullscreen window with pass cm enabled */;
@ -1401,20 +1406,19 @@ void CHyprOpenGLImpl::renderTextureInternal(SP<CTexture> tex, const CBox& box, c
if (!skipCM) {
shaderFeatures |= SH_FEAT_CM;
const bool needsSDRmod = isSDR2HDR(imageDescription->value(), m_renderData.pMonitor->m_imageDescription->value());
const bool needsHDRmod = !needsSDRmod && isHDR2SDR(imageDescription->value(), m_renderData.pMonitor->m_imageDescription->value());
const float maxLuminance = needsHDRmod ?
imageDescription->value().getTFMaxLuminance(-1) :
(imageDescription->value().luminances.max > 0 ? imageDescription->value().luminances.max : imageDescription->value().luminances.reference);
const auto dstMaxLuminance =
m_renderData.pMonitor->m_imageDescription->value().luminances.max > 0 ? m_renderData.pMonitor->m_imageDescription->value().luminances.max : 10000;
const bool needsSDRmod = isSDR2HDR(imageDescription->value(), targetImageDescription->value());
const bool needsHDRmod = !needsSDRmod && isHDR2SDR(imageDescription->value(), targetImageDescription->value());
const float maxLuminance = needsHDRmod ?
imageDescription->value().getTFMaxLuminance(-1) :
(imageDescription->value().luminances.max > 0 ? imageDescription->value().luminances.max : imageDescription->value().luminances.reference);
const auto dstMaxLuminance = targetImageDescription->value().luminances.max > 0 ? targetImageDescription->value().luminances.max : 10000;
if (maxLuminance >= dstMaxLuminance * 1.01)
shaderFeatures |= SH_FEAT_TONEMAP;
if (!data.cmBackToSRGB &&
(imageDescription->value().transferFunction == CM_TRANSFER_FUNCTION_SRGB || imageDescription->value().transferFunction == CM_TRANSFER_FUNCTION_GAMMA22) &&
m_renderData.pMonitor->m_imageDescription->value().transferFunction == CM_TRANSFER_FUNCTION_ST2084_PQ &&
targetImageDescription->value().transferFunction == CM_TRANSFER_FUNCTION_ST2084_PQ &&
((m_renderData.pMonitor->m_sdrSaturation > 0 && m_renderData.pMonitor->m_sdrSaturation != 1.0f) ||
(m_renderData.pMonitor->m_sdrBrightness > 0 && m_renderData.pMonitor->m_sdrBrightness != 1.0f)))
shaderFeatures |= SH_FEAT_SDR_MOD;
@ -1427,11 +1431,9 @@ void CHyprOpenGLImpl::renderTextureInternal(SP<CTexture> tex, const CBox& box, c
shader = useShader(shader);
if (!skipCM && !usingFinalShader) {
if (data.cmBackToSRGB) {
static auto PSDREOTF = CConfigValue<Hyprlang::INT>("render:cm_sdr_eotf");
auto chosenSdrEotf = *PSDREOTF != 3 ? NColorManagement::CM_TRANSFER_FUNCTION_GAMMA22 : NColorManagement::CM_TRANSFER_FUNCTION_SRGB;
passCMUniforms(shader, imageDescription, CImageDescription::from(NColorManagement::SImageDescription{.transferFunction = chosenSdrEotf}), true, -1, -1);
} else
if (data.cmBackToSRGB)
passCMUniforms(shader, imageDescription, targetImageDescription, true, -1, -1);
else
passCMUniforms(shader, imageDescription);
}