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pointer: add drm dumb buffers for cursors (#8399)

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Co-authored-by: Mihai Fufezan <mihai@fufexan.net>
This commit is contained in:
Vaxry 2024-11-14 20:15:51 +00:00 committed by GitHub
parent 3fb47372b7
commit 20031cea92
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GPG key ID: B5690EEEBB952194
8 changed files with 142 additions and 79 deletions
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2
CMakeLists.txt
View file

@ -103,7 +103,7 @@ find_package(OpenGL REQUIRED COMPONENTS ${GLES_VERSION})
pkg_check_modules(hyprctl_deps REQUIRED IMPORTED_TARGET hyprutils>=0.2.4)
pkg_check_modules(aquamarine_dep REQUIRED IMPORTED_TARGET aquamarine>=0.4.2)
pkg_check_modules(aquamarine_dep REQUIRED IMPORTED_TARGET aquamarine>=0.4.5)
add_compile_definitions(AQUAMARINE_VERSION="${aquamarine_dep_VERSION}")

2
meson.build
View file

@ -31,7 +31,7 @@ if cpp_compiler.check_header('execinfo.h')
add_project_arguments('-DHAS_EXECINFO', language: 'cpp')
endif
aquamarine = dependency('aquamarine', version: '>=0.4.2')
aquamarine = dependency('aquamarine', version: '>=0.4.5')
add_project_arguments(['-DAQUAMARINE_VERSION="@0@"'.format(aquamarine.version())], language: 'cpp')
xcb_dep = dependency('xcb', required: get_option('xwayland'))

2
src/config/ConfigManager.cpp
View file

@ -571,7 +571,7 @@ CConfigManager::CConfigManager() {
m_pConfig->addConfigValue("cursor:sync_gsettings_theme", Hyprlang::INT{1});
m_pConfig->addConfigValue("cursor:hide_on_key_press", Hyprlang::INT{0});
m_pConfig->addConfigValue("cursor:hide_on_touch", Hyprlang::INT{1});
m_pConfig->addConfigValue("cursor:allow_dumb_copy", Hyprlang::INT{0});
m_pConfig->addConfigValue("cursor:use_cpu_buffer", Hyprlang::INT{0});
m_pConfig->addConfigValue("autogenerated", Hyprlang::INT{0});

130
src/managers/PointerManager.cpp
View file

@ -375,6 +375,8 @@ SP<Aquamarine::IBuffer> CPointerManager::renderHWCursorBuffer(SP<CPointerManager
auto maxSize = state->monitor->output->cursorPlaneSize();
auto const& cursorSize = currentCursorImage.size;
static auto PDUMB = CConfigValue<Hyprlang::INT>("cursor:use_cpu_buffer");
if (maxSize == Vector2D{})
return nullptr;
@ -386,10 +388,23 @@ SP<Aquamarine::IBuffer> CPointerManager::renderHWCursorBuffer(SP<CPointerManager
} else
maxSize = cursorSize;
if (!state->monitor->cursorSwapchain || maxSize != state->monitor->cursorSwapchain->currentOptions().size) {
if (!state->monitor->cursorSwapchain || maxSize != state->monitor->cursorSwapchain->currentOptions().size ||
*PDUMB != (state->monitor->cursorSwapchain->getAllocator()->type() != Aquamarine::AQ_ALLOCATOR_TYPE_GBM)) {
if (!state->monitor->cursorSwapchain)
state->monitor->cursorSwapchain = Aquamarine::CSwapchain::create(state->monitor->output->getBackend()->preferredAllocator(), state->monitor->output->getBackend());
if (!state->monitor->cursorSwapchain || *PDUMB != (state->monitor->cursorSwapchain->getAllocator()->type() != Aquamarine::AQ_ALLOCATOR_TYPE_GBM)) {
auto allocator = state->monitor->output->getBackend()->preferredAllocator();
if (*PDUMB) {
for (const auto& a : state->monitor->output->getBackend()->getAllocators()) {
if (a->type() == Aquamarine::AQ_ALLOCATOR_TYPE_DRM_DUMB) {
allocator = a;
break;
}
}
}
state->monitor->cursorSwapchain = Aquamarine::CSwapchain::create(allocator, state->monitor->output->getBackend());
}
auto options = state->monitor->cursorSwapchain->currentOptions();
options.size = maxSize;
@ -397,8 +412,10 @@ SP<Aquamarine::IBuffer> CPointerManager::renderHWCursorBuffer(SP<CPointerManager
options.scanout = true;
options.cursor = true;
options.multigpu = state->monitor->output->getBackend()->preferredAllocator()->drmFD() != g_pCompositor->m_iDRMFD;
// We do not set the format. If it's unset (DRM_FORMAT_INVALID) then the swapchain will pick for us,
// We do not set the format (unless shm). If it's unset (DRM_FORMAT_INVALID) then the swapchain will pick for us,
// but if it's set, we don't wanna change it.
if (*PDUMB)
options.format = DRM_FORMAT_ARGB8888;
if (!state->monitor->cursorSwapchain->reconfigure(options)) {
Debug::log(TRACE, "Failed to reconfigure cursor swapchain");
@ -420,60 +437,69 @@ SP<Aquamarine::IBuffer> CPointerManager::renderHWCursorBuffer(SP<CPointerManager
return nullptr;
}
if (*PDUMB) {
// get the texture data if available.
auto texData = texture->dataCopy();
if (texData.empty()) {
if (currentCursorImage.surface && currentCursorImage.surface->resource()->role->role() == SURFACE_ROLE_CURSOR) {
const auto SURFACE = currentCursorImage.surface->resource();
auto& shmBuffer = CCursorSurfaceRole::cursorPixelData(SURFACE);
bool flipRB = false;
if (SURFACE->current.texture) {
Debug::log(TRACE, "Cursor CPU surface: format {}, expecting AR24", FormatUtils::drmFormatName(SURFACE->current.texture->m_iDrmFormat));
if (SURFACE->current.texture->m_iDrmFormat == DRM_FORMAT_ABGR8888) {
Debug::log(TRACE, "Cursor CPU surface format AB24, will flip. WARNING: this will break on big endian!");
flipRB = true;
} else if (SURFACE->current.texture->m_iDrmFormat != DRM_FORMAT_ARGB8888) {
Debug::log(TRACE, "Cursor CPU surface format rejected, falling back to sw");
return nullptr;
}
}
if (shmBuffer.data())
texData = shmBuffer;
else {
texData.resize(texture->m_vSize.x * 4 * texture->m_vSize.y);
memset(texData.data(), 0x00, texData.size());
}
if (flipRB) {
for (size_t i = 0; i < shmBuffer.size(); i += 4) {
std::swap(shmBuffer.at(i), shmBuffer.at(i + 2)); // little-endian!!!!!!
}
}
} else {
Debug::log(TRACE, "Cannot use dumb copy on dmabuf cursor buffers");
return nullptr;
}
}
// then, we just yeet it into the dumb buffer
auto [data, fmt, size] = buf->beginDataPtr(0);
memset(data, 0, size);
if (buf->dmabuf().size.x > texture->m_vSize.x) {
size_t STRIDE = 4 * texture->m_vSize.x;
for (int i = 0; i < texture->m_vSize.y; i++)
memcpy(data + i * buf->dmabuf().strides[0], texData.data() + i * STRIDE, STRIDE);
} else
memcpy(data, texData.data(), std::min(size, texData.size()));
buf->endDataPtr();
return buf;
}
g_pHyprRenderer->makeEGLCurrent();
g_pHyprOpenGL->m_RenderData.pMonitor = state->monitor;
auto RBO = g_pHyprRenderer->getOrCreateRenderbuffer(buf, state->monitor->cursorSwapchain->currentOptions().format);
if (!RBO) {
Debug::log(TRACE, "Failed to create cursor RB with format {}, mod {}", buf->dmabuf().format, buf->dmabuf().modifier);
static auto PDUMB = CConfigValue<Hyprlang::INT>("cursor:allow_dumb_copy");
if (!*PDUMB)
return nullptr;
auto bufData = buf->beginDataPtr(0);
auto bufPtr = std::get<0>(bufData);
// clear buffer
memset(bufPtr, 0, std::get<2>(bufData));
if (currentCursorImage.pBuffer) {
auto texAttrs = currentCursorImage.pBuffer->shm();
if (!texAttrs.success) {
Debug::log(TRACE, "Cannot use dumb copy on dmabuf cursor buffers");
return nullptr;
}
auto texData = currentCursorImage.pBuffer->beginDataPtr(GBM_BO_TRANSFER_WRITE);
auto texPtr = std::get<0>(texData);
Debug::log(TRACE, "cursor texture {}x{} {} {} {}", texAttrs.size.x, texAttrs.size.y, (void*)texPtr, texAttrs.format, texAttrs.stride);
// copy cursor texture
for (int i = 0; i < texAttrs.size.y; i++)
memcpy(bufPtr + i * buf->dmabuf().strides[0], texPtr + i * texAttrs.stride, texAttrs.stride);
} else if (currentCursorImage.surface && currentCursorImage.surface->resource()->role->role() == SURFACE_ROLE_CURSOR) {
const auto SURFACE = currentCursorImage.surface->resource();
auto& shmBuffer = CCursorSurfaceRole::cursorPixelData(SURFACE);
Debug::log(TRACE, "cursor texture pixel data length: {}B", shmBuffer.size());
if (shmBuffer.data()) {
// copy cursor texture
// assume format is 32bpp
size_t STRIDE = 4 * SURFACE->current.bufferSize.x;
for (int i = 0; i < SURFACE->current.bufferSize.y; i++)
memcpy(bufPtr + i * buf->dmabuf().strides[0], shmBuffer.data() + i * STRIDE, STRIDE);
} else {
// if there is no data, hide the cursor
memset(bufPtr, '\0', buf->size.x * buf->size.y * 4 /* assume 32bpp */);
}
} else {
Debug::log(TRACE, "Unsupported cursor buffer/surface, falling back to sw (can't dumb copy)");
return nullptr;
}
buf->endDataPtr();
return buf;
}
RBO->bind();
@ -773,7 +799,7 @@ SP<CTexture> CPointerManager::getCurrentCursorTexture() {
if (currentCursorImage.pBuffer) {
if (!currentCursorImage.bufferTex)
currentCursorImage.bufferTex = makeShared<CTexture>(currentCursorImage.pBuffer);
currentCursorImage.bufferTex = makeShared<CTexture>(currentCursorImage.pBuffer, true);
return currentCursorImage.bufferTex;
}

24
src/protocols/core/Compositor.cpp
View file

@ -438,12 +438,13 @@ void CWLSurfaceResource::commitPendingState() {
current.texture->m_eTransform = wlTransformToHyprutils(current.transform);
if (current.buffer && current.buffer->buffer) {
current.buffer->buffer->update(accumulateCurrentBufferDamage());
const auto DAMAGE = accumulateCurrentBufferDamage();
current.buffer->buffer->update(DAMAGE);
// if the surface is a cursor, update the shm buffer
// TODO: don't update the entire texture
if (role->role() == SURFACE_ROLE_CURSOR)
updateCursorShm();
if (role->role() == SURFACE_ROLE_CURSOR && !DAMAGE.empty())
updateCursorShm(DAMAGE);
// release the buffer if it's synchronous as update() has done everything thats needed
// so we can let the app know we're done.
@ -486,13 +487,12 @@ void CWLSurfaceResource::commitPendingState() {
lastBuffer = current.buffer ? current.buffer->buffer : WP<IHLBuffer>{};
}
void CWLSurfaceResource::updateCursorShm() {
void CWLSurfaceResource::updateCursorShm(CRegion damage) {
auto buf = current.buffer ? current.buffer->buffer : lastBuffer;
if (!buf)
return;
// TODO: actually use damage
auto& shmData = CCursorSurfaceRole::cursorPixelData(self.lock());
auto shmAttrs = buf->shm();
@ -501,11 +501,25 @@ void CWLSurfaceResource::updateCursorShm() {
return;
}
damage.intersect(CBox{0, 0, buf->size.x, buf->size.y});
// no need to end, shm.
auto [pixelData, fmt, bufLen] = buf->beginDataPtr(0);
shmData.resize(bufLen);
if (const auto RECTS = damage.getRects(); RECTS.size() == 1 && RECTS.at(0).x2 == buf->size.x && RECTS.at(0).y2 == buf->size.y)
memcpy(shmData.data(), pixelData, bufLen);
else {
for (auto& box : damage.getRects()) {
for (auto y = box.y1; y < box.y2; ++y) {
// bpp is 32 INSALLAH
auto begin = 4 * box.y1 * (box.x2 - box.x1) + box.x1;
auto len = 4 * (box.x2 - box.x1);
memcpy((uint8_t*)shmData.data() + begin, (uint8_t*)pixelData + begin, len);
}
}
}
}
void CWLSurfaceResource::presentFeedback(timespec* when, PHLMONITOR pMonitor) {

2
src/protocols/core/Compositor.hpp
View file

@ -148,7 +148,7 @@ class CWLSurfaceResource {
void dropCurrentBuffer();
void commitPendingState();
void bfHelper(std::vector<SP<CWLSurfaceResource>> const& nodes, std::function<void(SP<CWLSurfaceResource>, const Vector2D&, void*)> fn, void* data);
void updateCursorShm();
void updateCursorShm(CRegion damage = CBox{0, 0, INT16_MAX, INT16_MAX});
friend class CWLPointerResource;
};

21
src/render/Texture.cpp
View file

@ -3,6 +3,7 @@
#include "../Compositor.hpp"
#include "../protocols/types/Buffer.hpp"
#include "../helpers/Format.hpp"
#include <cstring>
CTexture::CTexture() {
// naffin'
@ -16,7 +17,7 @@ CTexture::~CTexture() {
destroyTexture();
}
CTexture::CTexture(uint32_t drmFormat, uint8_t* pixels, uint32_t stride, const Vector2D& size_) {
CTexture::CTexture(uint32_t drmFormat, uint8_t* pixels, uint32_t stride, const Vector2D& size_, bool keepDataCopy) : m_iDrmFormat(drmFormat), m_bKeepDataCopy(keepDataCopy) {
createFromShm(drmFormat, pixels, stride, size_);
}
@ -24,7 +25,7 @@ CTexture::CTexture(const Aquamarine::SDMABUFAttrs& attrs, void* image) {
createFromDma(attrs, image);
}
CTexture::CTexture(const SP<Aquamarine::IBuffer> buffer) {
CTexture::CTexture(const SP<Aquamarine::IBuffer> buffer, bool keepDataCopy) : m_bKeepDataCopy(keepDataCopy) {
if (!buffer)
return;
@ -43,6 +44,8 @@ CTexture::CTexture(const SP<Aquamarine::IBuffer> buffer) {
auto [pixelData, fmt, bufLen] = buffer->beginDataPtr(0);
m_iDrmFormat = fmt;
createFromShm(fmt, pixelData, bufLen, shm.size);
return;
}
@ -80,6 +83,11 @@ void CTexture::createFromShm(uint32_t drmFormat, uint8_t* pixels, uint32_t strid
GLCALL(glTexImage2D(GL_TEXTURE_2D, 0, format->glInternalFormat ? format->glInternalFormat : format->glFormat, size_.x, size_.y, 0, format->glFormat, format->glType, pixels));
GLCALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, 0));
GLCALL(glBindTexture(GL_TEXTURE_2D, 0));
if (m_bKeepDataCopy) {
m_vDataCopy.resize(stride * size_.y);
memcpy(m_vDataCopy.data(), pixels, stride * size_.y);
}
}
void CTexture::createFromDma(const Aquamarine::SDMABUFAttrs& attrs, void* image) {
@ -135,6 +143,11 @@ void CTexture::update(uint32_t drmFormat, uint8_t* pixels, uint32_t stride, cons
GLCALL(glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0));
glBindTexture(GL_TEXTURE_2D, 0);
if (m_bKeepDataCopy) {
m_vDataCopy.resize(stride * m_vSize.y);
memcpy(m_vDataCopy.data(), pixels, stride * m_vSize.y);
}
}
void CTexture::destroyTexture() {
@ -152,3 +165,7 @@ void CTexture::allocate() {
if (!m_iTexID)
GLCALL(glGenTextures(1, &m_iTexID));
}
const std::vector<uint8_t>& CTexture::dataCopy() {
return m_vDataCopy;
}

10
src/render/Texture.hpp
View file

@ -24,9 +24,9 @@ class CTexture {
CTexture(const CTexture&&) = delete;
CTexture(const CTexture&) = delete;
CTexture(uint32_t drmFormat, uint8_t* pixels, uint32_t stride, const Vector2D& size);
CTexture(uint32_t drmFormat, uint8_t* pixels, uint32_t stride, const Vector2D& size, bool keepDataCopy = false);
CTexture(const SP<Aquamarine::IBuffer> buffer);
CTexture(const SP<Aquamarine::IBuffer> buffer, bool keepDataCopy = false);
// this ctor takes ownership of the eglImage.
CTexture(const Aquamarine::SDMABUFAttrs&, void* image);
~CTexture();
@ -34,6 +34,7 @@ class CTexture {
void destroyTexture();
void allocate();
void update(uint32_t drmFormat, uint8_t* pixels, uint32_t stride, const CRegion& damage);
const std::vector<uint8_t>& dataCopy();
TEXTURETYPE m_iType = TEXTURE_RGBA;
GLenum m_iTarget = GL_TEXTURE_2D;
@ -42,8 +43,13 @@ class CTexture {
void* m_pEglImage = nullptr;
eTransform m_eTransform = HYPRUTILS_TRANSFORM_NORMAL;
bool m_bOpaque = false;
uint32_t m_iDrmFormat = 0; // for shm
private:
void createFromShm(uint32_t drmFormat, uint8_t* pixels, uint32_t stride, const Vector2D& size);
void createFromDma(const Aquamarine::SDMABUFAttrs&, void* image);
bool m_bKeepDataCopy = false;
std::vector<uint8_t> m_vDataCopy;
};