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https://github.com/hyprwm/Hyprland
synced 2024-11-02 13:45:58 +01:00
renderer: Fix mirrored displays when transformed and preserve aspect ratio (#5697)
* renderer: transform mirror buffer and preserve mirror aspect ratio * renderer: render mirrors directly from offloadFB * renderer: fix formatting * renderer: use monitorMirrorFB again, but properly damage mirrors * renderer: clean mirrors after reload and support cursor zoom mirroring
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8aecd4f253
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4 changed files with 64 additions and 21 deletions
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@ -826,6 +826,10 @@ void CConfigManager::postConfigReload(const Hyprlang::CParseResult& result) {
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// Force the compositor to fully re-render all monitors
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m->forceFullFrames = 2;
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// also force mirrors, as the aspect ratio could've changed
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for (auto& mirror : m->mirrors)
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mirror->forceFullFrames = 3;
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}
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// Reset no monitor reload
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@ -152,6 +152,12 @@ bool CHyprOpenGLImpl::passRequiresIntrospection(CMonitor* pMonitor) {
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if (m_RenderData.mouseZoomFactor != 1.0 || g_pHyprRenderer->m_bCrashingInProgress)
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return true;
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// mirrors should not be offloaded (as we then would basically copy the same data twice)
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// yes, this breaks mirrors of mirrors
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if (pMonitor->isMirror())
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return false;
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// monitors that are mirrored however must be offloaded because we cannot copy from output FBs
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if (!pMonitor->mirrors.empty())
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return true;
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@ -336,14 +342,10 @@ void CHyprOpenGLImpl::end() {
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TRACY_GPU_ZONE("RenderEnd");
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if (!m_RenderData.pMonitor->mirrors.empty() && !m_bFakeFrame)
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saveBufferForMirror(); // save with original damage region
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// end the render, copy the data to the WLR framebuffer
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if (m_bOffloadedFramebuffer) {
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m_RenderData.damage = m_RenderData.finalDamage;
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m_RenderData.outFB->bind();
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m_bEndFrame = true;
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CBox monbox = {0, 0, m_RenderData.pMonitor->vecTransformedSize.x, m_RenderData.pMonitor->vecTransformedSize.y};
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@ -364,11 +366,16 @@ void CHyprOpenGLImpl::end() {
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monbox.y = m_RenderData.pMonitor->vecTransformedSize.y - monbox.height;
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}
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m_bEndFrame = true;
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m_bApplyFinalShader = !m_RenderData.blockScreenShader;
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if (m_RenderData.mouseZoomUseMouse)
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m_RenderData.useNearestNeighbor = true;
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// copy the damaged areas into the mirror buffer
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// we can't use the offloadFB for mirroring, as it contains artifacts from blurring
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if (!m_RenderData.pMonitor->mirrors.empty() && !m_bFakeFrame)
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saveBufferForMirror(&monbox);
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m_RenderData.outFB->bind();
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blend(false);
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if (m_sFinalScreenShader.program < 1 && !g_pHyprRenderer->m_bCrashingInProgress)
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@ -1971,18 +1978,16 @@ void CHyprOpenGLImpl::renderRoundedShadow(CBox* box, int round, int range, const
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glDisableVertexAttribArray(m_RenderData.pCurrentMonData->m_shSHADOW.texAttrib);
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}
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void CHyprOpenGLImpl::saveBufferForMirror() {
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void CHyprOpenGLImpl::saveBufferForMirror(CBox* box) {
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if (!m_RenderData.pCurrentMonData->monitorMirrorFB.isAllocated())
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m_RenderData.pCurrentMonData->monitorMirrorFB.alloc(m_RenderData.pMonitor->vecPixelSize.x, m_RenderData.pMonitor->vecPixelSize.y, m_RenderData.pMonitor->drmFormat);
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m_RenderData.pCurrentMonData->monitorMirrorFB.bind();
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CBox monbox = {0, 0, m_RenderData.pMonitor->vecPixelSize.x, m_RenderData.pMonitor->vecPixelSize.y};
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blend(false);
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renderTexture(m_RenderData.currentFB->m_cTex, &monbox, 1.f, 0, false, false);
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renderTexture(m_RenderData.currentFB->m_cTex, box, 1.f, 0, false, false);
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blend(true);
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@ -1990,14 +1995,37 @@ void CHyprOpenGLImpl::saveBufferForMirror() {
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}
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void CHyprOpenGLImpl::renderMirrored() {
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CBox monbox = {0, 0, m_RenderData.pMonitor->vecPixelSize.x, m_RenderData.pMonitor->vecPixelSize.y};
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const auto PFB = &m_mMonitorRenderResources[m_RenderData.pMonitor->pMirrorOf].monitorMirrorFB;
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auto monitor = m_RenderData.pMonitor;
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auto mirrored = monitor->pMirrorOf;
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double scale = std::min(monitor->vecTransformedSize.x / mirrored->vecTransformedSize.x, monitor->vecTransformedSize.y / mirrored->vecTransformedSize.y);
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CBox monbox = {0, 0, mirrored->vecTransformedSize.x * scale, mirrored->vecTransformedSize.y * scale};
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// transform box as it will be drawn on a transformed projection
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monbox.transform(mirrored->transform, mirrored->vecTransformedSize.x * scale, mirrored->vecTransformedSize.y * scale);
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monbox.x = (monitor->vecTransformedSize.x - monbox.w) / 2;
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monbox.y = (monitor->vecTransformedSize.y - monbox.h) / 2;
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const auto PFB = &m_mMonitorRenderResources[mirrored].monitorMirrorFB;
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if (!PFB->isAllocated() || PFB->m_cTex.m_iTexID <= 0)
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return;
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// replace monitor projection to undo the mirrored monitor's projection
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wlr_matrix_identity(monitor->projMatrix.data());
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wlr_matrix_translate(monitor->projMatrix.data(), monitor->vecPixelSize.x / 2.0, monitor->vecPixelSize.y / 2.0);
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wlr_matrix_transform(monitor->projMatrix.data(), monitor->transform);
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wlr_matrix_transform(monitor->projMatrix.data(), wlr_output_transform_invert(mirrored->transform));
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wlr_matrix_translate(monitor->projMatrix.data(), -monitor->vecTransformedSize.x / 2.0, -monitor->vecTransformedSize.y / 2.0);
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// clear stuff outside of mirrored area (e.g. when changing to mirrored)
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clear(CColor(0, 0, 0, 0));
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renderTexture(PFB->m_cTex, &monbox, 1.f, 0, false, false);
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// reset matrix for further drawing
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monitor->updateMatrix();
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}
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void CHyprOpenGLImpl::renderSplash(cairo_t* const CAIRO, cairo_surface_t* const CAIROSURFACE, double offsetY, const Vector2D& size) {
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@ -67,7 +67,7 @@ struct SMonitorRenderData {
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CFramebuffer mirrorSwapFB; // etc
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CFramebuffer offMainFB;
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CFramebuffer monitorMirrorFB; // used for mirroring outputs
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CFramebuffer monitorMirrorFB; // used for mirroring outputs, does not contain artifacts like offloadFB
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CTexture stencilTex;
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@ -172,7 +172,7 @@ class CHyprOpenGLImpl {
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bool preBlurQueued();
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void preRender(CMonitor*);
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void saveBufferForMirror();
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void saveBufferForMirror(CBox*);
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void renderMirrored();
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void applyScreenShader(const std::string& path);
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@ -1246,9 +1246,7 @@ void CHyprRenderer::renderMonitor(CMonitor* pMonitor) {
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}
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// if we have no tracking or full tracking, invalidate the entire monitor
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if (*PDAMAGETRACKINGMODE == DAMAGE_TRACKING_NONE || *PDAMAGETRACKINGMODE == DAMAGE_TRACKING_MONITOR || pMonitor->forceFullFrames > 0 || damageBlinkCleanup > 0 ||
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pMonitor->isMirror() /* why??? */) {
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if (*PDAMAGETRACKINGMODE == DAMAGE_TRACKING_NONE || *PDAMAGETRACKINGMODE == DAMAGE_TRACKING_MONITOR || pMonitor->forceFullFrames > 0 || damageBlinkCleanup > 0) {
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damage = {0, 0, (int)pMonitor->vecTransformedSize.x * 10, (int)pMonitor->vecTransformedSize.y * 10};
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finalDamage = damage;
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} else {
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@ -1838,11 +1836,24 @@ void CHyprRenderer::damageRegion(const CRegion& rg) {
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void CHyprRenderer::damageMirrorsWith(CMonitor* pMonitor, const CRegion& pRegion) {
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for (auto& mirror : pMonitor->mirrors) {
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Vector2D scale = {mirror->vecSize.x / pMonitor->vecSize.x, mirror->vecSize.y / pMonitor->vecSize.y};
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CRegion rg{pRegion};
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wlr_region_scale_xy(rg.pixman(), rg.pixman(), scale.x, scale.y);
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pMonitor->addDamage(&rg);
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// transform the damage here, so it won't get clipped by the monitor damage ring
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auto monitor = mirror;
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auto mirrored = pMonitor;
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CRegion transformed{pRegion};
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// we want to transform to the same box as in CHyprOpenGLImpl::renderMirrored
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double scale = std::min(monitor->vecTransformedSize.x / mirrored->vecTransformedSize.x, monitor->vecTransformedSize.y / mirrored->vecTransformedSize.y);
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CBox monbox = {0, 0, mirrored->vecTransformedSize.x * scale, mirrored->vecTransformedSize.y * scale};
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monbox.x = (monitor->vecTransformedSize.x - monbox.w) / 2;
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monbox.y = (monitor->vecTransformedSize.y - monbox.h) / 2;
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wlr_region_scale(transformed.pixman(), transformed.pixman(), scale);
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transformed.transform(mirrored->transform, mirrored->vecPixelSize.x * scale, mirrored->vecPixelSize.y * scale);
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transformed.translate(Vector2D(monbox.x, monbox.y));
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mirror->addDamage(&transformed);
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g_pCompositor->scheduleFrameForMonitor(mirror);
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}
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