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hdr: scRGB, HLG and SDR -> HDR fixes (#11499)

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UjinT34 2025-08-22 13:13:55 +03:00 • committed by GitHub
parent fdf1612f0f
commit 4e8875b5e9
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8 changed files with 67 additions and 38 deletions
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39
src/render/OpenGL.cpp
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@ -1470,7 +1470,13 @@ void CHyprOpenGLImpl::renderTexture(SP<CTexture> tex, const CBox& box, STextureR
static std::map<std::pair<uint32_t, uint32_t>, std::array<GLfloat, 9>> primariesConversionCache;
//
static bool isSDR2HDR(const NColorManagement::SImageDescription& imageDescription, const NColorManagement::SImageDescription& targetImageDescription) {
// might be too strict
return imageDescription.transferFunction == NColorManagement::CM_TRANSFER_FUNCTION_SRGB &&
(targetImageDescription.transferFunction == NColorManagement::CM_TRANSFER_FUNCTION_ST2084_PQ ||
targetImageDescription.transferFunction == NColorManagement::CM_TRANSFER_FUNCTION_HLG);
}
void CHyprOpenGLImpl::passCMUniforms(SShader& shader, const NColorManagement::SImageDescription& imageDescription,
const NColorManagement::SImageDescription& targetImageDescription, bool modifySDR, float sdrMinLuminance, int sdrMaxLuminance) {
shader.setUniformInt(SHADER_SOURCE_TF, imageDescription.transferFunction);
@ -1486,22 +1492,19 @@ void CHyprOpenGLImpl::passCMUniforms(SShader& shader, const NColorManagement::SI
};
shader.setUniformMatrix4x2fv(SHADER_TARGET_PRIMARIES, 1, false, glTargetPrimaries);
shader.setUniformFloat2(SHADER_SRC_TF_RANGE, imageDescription.getTFMinLuminance(sdrMinLuminance), imageDescription.getTFMaxLuminance(sdrMaxLuminance));
shader.setUniformFloat2(SHADER_DST_TF_RANGE, targetImageDescription.getTFMinLuminance(sdrMinLuminance), targetImageDescription.getTFMaxLuminance(sdrMaxLuminance));
const bool needsSDRmod = modifySDR && isSDR2HDR(imageDescription, targetImageDescription);
shader.setUniformFloat2(SHADER_SRC_TF_RANGE, imageDescription.getTFMinLuminance(needsSDRmod ? sdrMinLuminance : -1),
imageDescription.getTFMaxLuminance(needsSDRmod ? sdrMaxLuminance : -1));
shader.setUniformFloat2(SHADER_DST_TF_RANGE, targetImageDescription.getTFMinLuminance(needsSDRmod ? sdrMinLuminance : -1),
targetImageDescription.getTFMaxLuminance(needsSDRmod ? sdrMaxLuminance : -1));
const float maxLuminance = imageDescription.luminances.max > 0 ? imageDescription.luminances.max : imageDescription.luminances.reference;
shader.setUniformFloat(SHADER_MAX_LUMINANCE, maxLuminance * targetImageDescription.luminances.reference / imageDescription.luminances.reference);
shader.setUniformFloat(SHADER_DST_MAX_LUMINANCE, targetImageDescription.luminances.max > 0 ? targetImageDescription.luminances.max : 10000);
shader.setUniformFloat(SHADER_DST_REF_LUMINANCE, targetImageDescription.luminances.reference);
shader.setUniformFloat(SHADER_SDR_SATURATION,
modifySDR && m_renderData.pMonitor->m_sdrSaturation > 0 && targetImageDescription.transferFunction == NColorManagement::CM_TRANSFER_FUNCTION_ST2084_PQ ?
m_renderData.pMonitor->m_sdrSaturation :
1.0f);
shader.setUniformFloat(SHADER_SDR_BRIGHTNESS,
modifySDR && m_renderData.pMonitor->m_sdrBrightness > 0 && targetImageDescription.transferFunction == NColorManagement::CM_TRANSFER_FUNCTION_ST2084_PQ ?
m_renderData.pMonitor->m_sdrBrightness :
1.0f);
shader.setUniformFloat(SHADER_SDR_SATURATION, needsSDRmod && m_renderData.pMonitor->m_sdrSaturation > 0 ? m_renderData.pMonitor->m_sdrSaturation : 1.0f);
shader.setUniformFloat(SHADER_SDR_BRIGHTNESS, needsSDRmod && m_renderData.pMonitor->m_sdrBrightness > 0 ? m_renderData.pMonitor->m_sdrBrightness : 1.0f);
const auto cacheKey = std::make_pair(imageDescription.getId(), targetImageDescription.getId());
if (!primariesConversionCache.contains(cacheKey)) {
const auto mat = imageDescription.getPrimaries().convertMatrix(targetImageDescription.getPrimaries()).mat();
@ -1594,14 +1597,16 @@ void CHyprOpenGLImpl::renderTextureInternal(SP<CTexture> tex, const CBox& box, c
tex->setTexParameter(GL_TEXTURE_MIN_FILTER, GL_LINEAR);
}
auto imageDescription = m_renderData.surface.valid() && m_renderData.surface->m_colorManagement.valid() ?
m_renderData.surface->m_colorManagement->imageDescription() :
(data.cmBackToSRGB ? data.cmBackToSRGBSource->m_imageDescription : SImageDescription{});
const bool canPassHDRSurface = m_renderData.surface.valid() && m_renderData.surface->m_colorManagement.valid() ?
m_renderData.surface->m_colorManagement->isHDR() && !m_renderData.surface->m_colorManagement->isWindowsScRGB() :
false; // windows scRGB requires CM shader
auto imageDescription = m_renderData.surface.valid() && m_renderData.surface->m_colorManagement.valid() ?
m_renderData.surface->m_colorManagement->imageDescription() :
(data.cmBackToSRGB ? data.cmBackToSRGBSource->m_imageDescription : SImageDescription{});
const bool skipCM = !*PENABLECM || !m_cmSupported /* CM unsupported or disabled */
|| (imageDescription == m_renderData.pMonitor->m_imageDescription && !data.cmBackToSRGB) /* Source and target have the same image description */
|| ((*PPASS == 1 || (*PPASS == 2 && imageDescription.transferFunction == CM_TRANSFER_FUNCTION_ST2084_PQ)) && m_renderData.pMonitor->m_activeWorkspace &&
m_renderData.pMonitor->m_activeWorkspace->m_hasFullscreenWindow &&
|| ((*PPASS == 1 || (*PPASS == 2 && canPassHDRSurface)) && m_renderData.pMonitor->m_activeWorkspace && m_renderData.pMonitor->m_activeWorkspace->m_hasFullscreenWindow &&
m_renderData.pMonitor->m_activeWorkspace->m_fullscreenMode == FSMODE_FULLSCREEN) /* Fullscreen window with pass cm enabled */;
if (!skipCM && !usingFinalShader && (texType == TEXTURE_RGBA || texType == TEXTURE_RGBX))