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-rw-r--r--libkms++/CMakeLists.txt7
-rw-r--r--libkms++/atomicreq.cpp64
-rw-r--r--libkms++/atomicreq.h31
-rw-r--r--libkms++/card.cpp198
-rw-r--r--libkms++/card.h49
-rw-r--r--libkms++/connector.cpp111
-rw-r--r--libkms++/connector.h49
-rw-r--r--libkms++/crtc.cpp74
-rw-r--r--libkms++/crtc.h35
-rw-r--r--libkms++/decls.h15
-rw-r--r--libkms++/drmobject.cpp69
-rw-r--r--libkms++/drmobject.h44
-rw-r--r--libkms++/encoder.cpp63
-rw-r--r--libkms++/encoder.h25
-rw-r--r--libkms++/framebuffer.cpp167
-rw-r--r--libkms++/framebuffer.h44
-rw-r--r--libkms++/helpers.cpp23
-rw-r--r--libkms++/helpers.h12
-rw-r--r--libkms++/kms++.h10
-rw-r--r--libkms++/plane.cpp64
-rw-r--r--libkms++/plane.h32
-rw-r--r--libkms++/property.cpp36
-rw-r--r--libkms++/property.h23
-rw-r--r--libkms++/utils/color.cpp67
-rw-r--r--libkms++/utils/color.h48
-rw-r--r--libkms++/utils/conv.cpp138
-rw-r--r--libkms++/utils/conv.h8
-rw-r--r--libkms++/utils/testpat.cpp162
-rw-r--r--libkms++/utils/testpat.h6
29 files changed, 1674 insertions, 0 deletions
diff --git a/libkms++/CMakeLists.txt b/libkms++/CMakeLists.txt
new file mode 100644
index 0000000..e8d14f7
--- /dev/null
+++ b/libkms++/CMakeLists.txt
@@ -0,0 +1,7 @@
+include_directories(${LIBDRM_INCLUDE_DIRS})
+link_directories(${LIBDRM_LIBRARY_DIRS})
+
+file(GLOB SRCS "*.cpp" "*.h" "utils/*.cpp" "utils/*.h")
+add_library(kms++ ${SRCS})
+
+target_include_directories(kms++ PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
diff --git a/libkms++/atomicreq.cpp b/libkms++/atomicreq.cpp
new file mode 100644
index 0000000..3346af9
--- /dev/null
+++ b/libkms++/atomicreq.cpp
@@ -0,0 +1,64 @@
+#include <cassert>
+
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+
+#include "atomicreq.h"
+#include "property.h"
+#include "card.h"
+
+#ifndef DRM_CLIENT_CAP_ATOMIC
+
+#define DRM_MODE_ATOMIC_TEST_ONLY 0
+
+struct _drmModeAtomicReq;
+typedef struct _drmModeAtomicReq* drmModeAtomicReqPtr;
+
+static inline drmModeAtomicReqPtr drmModeAtomicAlloc() { return 0; }
+static inline void drmModeAtomicFree(drmModeAtomicReqPtr) { }
+static inline int drmModeAtomicAddProperty(drmModeAtomicReqPtr, uint32_t, uint32_t, uint64_t) { return 0; }
+static inline int drmModeAtomicCommit(int, drmModeAtomicReqPtr, int, void*) { return 0; }
+
+#endif // DRM_CLIENT_CAP_ATOMIC
+
+namespace kms
+{
+AtomicReq::AtomicReq(Card& card)
+ : m_card(card)
+{
+ assert(card.has_atomic());
+ m_req = drmModeAtomicAlloc();
+}
+
+AtomicReq::~AtomicReq()
+{
+ drmModeAtomicFree(m_req);
+}
+
+void AtomicReq::add(uint32_t ob_id, uint32_t prop_id, uint64_t value)
+{
+ int r = drmModeAtomicAddProperty(m_req, ob_id, prop_id, value);
+ if (r <= 0)
+ throw std::invalid_argument("foo");
+}
+
+void AtomicReq::add(DrmObject *ob, Property *prop, uint64_t value)
+{
+ add(ob->id(), prop->id(), value);
+}
+
+int AtomicReq::test()
+{
+ uint32_t flags = DRM_MODE_ATOMIC_TEST_ONLY;
+
+ return drmModeAtomicCommit(m_card.fd(), m_req, flags, 0);
+}
+
+int AtomicReq::commit()
+{
+ uint32_t flags = DRM_MODE_PAGE_FLIP_EVENT;
+ void* data = 0;
+
+ return drmModeAtomicCommit(m_card.fd(), m_req, flags, data);
+}
+}
diff --git a/libkms++/atomicreq.h b/libkms++/atomicreq.h
new file mode 100644
index 0000000..9a8a748
--- /dev/null
+++ b/libkms++/atomicreq.h
@@ -0,0 +1,31 @@
+#pragma once
+
+#include <cstdint>
+
+struct _drmModeAtomicReq;
+
+#include "decls.h"
+
+namespace kms
+{
+class AtomicReq
+{
+public:
+ AtomicReq(Card& card);
+ ~AtomicReq();
+
+ AtomicReq(const AtomicReq& other) = delete;
+ AtomicReq& operator=(const AtomicReq& other) = delete;
+
+ void add(uint32_t ob_id, uint32_t prop_id, uint64_t value);
+ void add(DrmObject *ob, Property *prop, uint64_t value);
+
+ int test();
+ int commit();
+
+private:
+ Card& m_card;
+ _drmModeAtomicReq* m_req;
+};
+
+}
diff --git a/libkms++/card.cpp b/libkms++/card.cpp
new file mode 100644
index 0000000..2ba350d
--- /dev/null
+++ b/libkms++/card.cpp
@@ -0,0 +1,198 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <utility>
+#include <stdexcept>
+#include <string.h>
+
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+
+#include "kms++.h"
+
+#ifndef DRM_CLIENT_CAP_ATOMIC
+#define DRM_CLIENT_CAP_ATOMIC 3
+#endif
+
+namespace kms
+{
+
+Card::Card()
+{
+ const char *card = "/dev/dri/card0";
+
+ int fd = open(card, O_RDWR | O_CLOEXEC);
+ if (fd < 0)
+ throw std::invalid_argument("foo");
+ m_fd = fd;
+
+ int r;
+
+ r = drmSetMaster(fd);
+ m_master = r == 0;
+
+ r = drmSetClientCap(m_fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
+ if (r)
+ throw std::invalid_argument("foo");
+
+ r = drmSetClientCap(m_fd, DRM_CLIENT_CAP_ATOMIC, 1);
+ m_has_atomic = r == 0;
+
+ uint64_t has_dumb;
+ r = drmGetCap(fd, DRM_CAP_DUMB_BUFFER, &has_dumb);
+ if (r || !has_dumb)
+ throw std::invalid_argument("foo");
+
+ auto res = drmModeGetResources(m_fd);
+ if (!res)
+ throw std::invalid_argument("foo");
+
+ for (int i = 0; i < res->count_connectors; ++i) {
+ uint32_t id = res->connectors[i];
+ m_obmap[id] = new Connector(*this, id, i);
+ }
+
+ for (int i = 0; i < res->count_crtcs; ++i) {
+ uint32_t id = res->crtcs[i];
+ m_obmap[id] = new Crtc(*this, id, i);
+ }
+
+ for (int i = 0; i < res->count_encoders; ++i) {
+ uint32_t id = res->encoders[i];
+ m_obmap[id] = new Encoder(*this, id);
+ }
+
+ drmModeFreeResources(res);
+
+ auto planeRes = drmModeGetPlaneResources(m_fd);
+
+ for (uint i = 0; i < planeRes->count_planes; ++i) {
+ uint32_t id = planeRes->planes[i];
+ m_obmap[id] = new Plane(*this, id);
+ }
+
+ drmModeFreePlaneResources(planeRes);
+
+ // collect all possible props
+ for (auto ob : get_objects()) {
+ auto props = drmModeObjectGetProperties(m_fd, ob->id(), ob->object_type());
+
+ if (props == nullptr)
+ continue;
+
+ for (unsigned i = 0; i < props->count_props; ++i) {
+ uint32_t prop_id = props->props[i];
+
+ if (m_obmap.find(prop_id) == m_obmap.end())
+ m_obmap[prop_id] = new Property(*this, prop_id);
+ }
+
+ drmModeFreeObjectProperties(props);
+ }
+
+ for (auto pair : m_obmap)
+ pair.second->setup();
+}
+
+Card::~Card()
+{
+ for (auto pair : m_obmap)
+ delete pair.second;
+
+ close(m_fd);
+}
+
+template <class T> static void print_obs(const std::map<uint32_t, DrmObject*>& obmap)
+{
+ for (auto pair : obmap) {
+ auto ob = pair.second;
+ if (dynamic_cast<T*>(ob)) {
+ ob->print_short();
+ //ob->print_props();
+ }
+ }
+}
+
+void Card::print_short() const
+{
+ print_obs<Connector>(m_obmap);
+ print_obs<Encoder>(m_obmap);
+ print_obs<Crtc>(m_obmap);
+ print_obs<Plane>(m_obmap);
+}
+
+Property* Card::get_prop(const char *name) const
+{
+ for (auto pair : m_obmap) {
+ auto prop = dynamic_cast<Property*>(pair.second);
+ if (!prop)
+ continue;
+
+ if (strcmp(name, prop->name()) == 0)
+ return prop;
+ }
+
+ throw std::invalid_argument("foo");
+}
+
+Connector* Card::get_first_connected_connector() const
+{
+ for(auto pair : m_obmap) {
+ auto c = dynamic_cast<Connector*>(pair.second);
+
+ if (c && c->connected())
+ return c;
+ }
+
+ throw std::invalid_argument("no connected connectors");
+}
+
+DrmObject* Card::get_object(uint32_t id) const
+{
+ return m_obmap.at(id);
+}
+
+std::vector<Connector*> Card::get_connectors() const
+{
+ std::vector<Connector*> v;
+ for(auto pair : m_obmap) {
+ auto p = dynamic_cast<Connector*>(pair.second);
+ if (p)
+ v.push_back(p);
+ }
+ return v;
+}
+
+std::vector<Plane*> Card::get_planes() const
+{
+ std::vector<Plane*> v;
+ for(auto pair : m_obmap) {
+ auto p = dynamic_cast<Plane*>(pair.second);
+ if (p)
+ v.push_back(p);
+ }
+ return v;
+}
+
+std::vector<DrmObject*> Card::get_objects() const
+{
+ std::vector<DrmObject*> v;
+ for(auto pair : m_obmap)
+ v.push_back(pair.second);
+ return v;
+}
+
+Crtc* Card::get_crtc_by_index(uint32_t idx) const
+{
+ for(auto pair : m_obmap) {
+ auto crtc = dynamic_cast<Crtc*>(pair.second);
+ if (crtc && crtc->idx() == idx)
+ return crtc;
+ }
+ throw std::invalid_argument("fob");
+}
+
+Crtc* Card::get_crtc(uint32_t id) const { return dynamic_cast<Crtc*>(get_object(id)); }
+Encoder* Card::get_encoder(uint32_t id) const { return dynamic_cast<Encoder*>(get_object(id)); }
+Property* Card::get_prop(uint32_t id) const { return dynamic_cast<Property*>(get_object(id)); }
+}
diff --git a/libkms++/card.h b/libkms++/card.h
new file mode 100644
index 0000000..fb45d04
--- /dev/null
+++ b/libkms++/card.h
@@ -0,0 +1,49 @@
+#pragma once
+
+#include <cstdint>
+#include <vector>
+#include <map>
+
+#include "decls.h"
+
+namespace kms
+{
+
+class Card
+{
+public:
+ Card();
+ ~Card();
+
+ Card(const Card& other) = delete;
+ Card& operator=(const Card& other) = delete;
+
+ int fd() const { return m_fd; }
+
+ Connector* get_first_connected_connector() const;
+
+ DrmObject* get_object(uint32_t id) const;
+ Crtc* get_crtc(uint32_t id) const;
+ Crtc* get_crtc_by_index(uint32_t idx) const;
+ Encoder* get_encoder(uint32_t id) const;
+ Property* get_prop(uint32_t id) const;
+ Property* get_prop(const char *name) const;
+
+ bool master() const { return m_master; }
+ bool has_atomic() const { return m_has_atomic; }
+
+ void print_short() const;
+
+ std::vector<Connector*> get_connectors() const;
+ std::vector<DrmObject*> get_objects() const;
+ std::vector<Plane*> get_planes() const;
+
+private:
+ std::map<uint32_t, DrmObject*> m_obmap;
+
+ int m_fd;
+ bool m_master;
+
+ bool m_has_atomic;
+};
+}
diff --git a/libkms++/connector.cpp b/libkms++/connector.cpp
new file mode 100644
index 0000000..ee14af9
--- /dev/null
+++ b/libkms++/connector.cpp
@@ -0,0 +1,111 @@
+#include <stdio.h>
+#include <iostream>
+#include <unistd.h>
+#include <fcntl.h>
+#include <cassert>
+
+#include "kms++.h"
+#include "helpers.h"
+
+using namespace std;
+
+#define DEF_CONN(c) [DRM_MODE_CONNECTOR_##c] = #c
+
+namespace kms
+{
+
+static const char * connector_names[] = {
+ DEF_CONN(Unknown),
+ DEF_CONN(VGA),
+ DEF_CONN(DVII),
+ DEF_CONN(DVID),
+ DEF_CONN(DVIA),
+ DEF_CONN(Composite),
+ DEF_CONN(SVIDEO),
+ DEF_CONN(LVDS),
+ DEF_CONN(Component),
+ DEF_CONN(9PinDIN),
+ DEF_CONN(DisplayPort),
+ DEF_CONN(HDMIA),
+ DEF_CONN(HDMIB),
+ DEF_CONN(TV),
+ DEF_CONN(eDP),
+ DEF_CONN(VIRTUAL),
+ DEF_CONN(DSI),
+};
+
+static const char *connection_str[] = {
+ [0] = "<unknown>",
+ [DRM_MODE_CONNECTED] = "Connected",
+ [DRM_MODE_DISCONNECTED] = "Disconnected",
+ [DRM_MODE_UNKNOWNCONNECTION] = "Unknown",
+};
+
+struct ConnectorPriv
+{
+ drmModeConnectorPtr drm_connector;
+};
+
+Connector::Connector(Card &card, uint32_t id, uint32_t idx)
+ :DrmObject(card, id, DRM_MODE_OBJECT_CONNECTOR, idx)
+{
+ m_priv = new ConnectorPriv();
+
+ m_priv->drm_connector = drmModeGetConnector(this->card().fd(), this->id());
+ assert(m_priv->drm_connector);
+
+ auto name = connector_names[m_priv->drm_connector->connector_type];
+ m_fullname = std::string(string(name) + std::to_string(m_priv->drm_connector->connector_type_id));
+}
+
+
+Connector::~Connector()
+{
+ drmModeFreeConnector(m_priv->drm_connector);
+ delete m_priv;
+}
+
+void Connector::setup()
+{
+ if (m_priv->drm_connector->encoder_id != 0) {
+ auto enc = card().get_encoder(m_priv->drm_connector->encoder_id);
+ if (enc)
+ m_current_crtc = enc->get_crtc();
+ }
+}
+
+void Connector::print_short() const
+{
+ auto c = m_priv->drm_connector;
+
+ printf("Connector %d, %s, %dx%dmm, %s\n", id(), m_fullname.c_str(),
+ c->mmWidth, c->mmHeight, connection_str[c->connection]);
+}
+
+Videomode Connector::get_default_mode() const
+{
+ drmModeModeInfo drmmode = m_priv->drm_connector->modes[0];
+
+ return drm_mode_to_video_mode(drmmode);
+}
+
+bool Connector::connected()
+{
+ return m_priv->drm_connector->connection == DRM_MODE_CONNECTED;
+}
+
+vector<Crtc*> Connector::get_possible_crtcs() const
+{
+ vector<Crtc*> crtcs;
+
+ for (int i = 0; i < m_priv->drm_connector->count_encoders; ++i) {
+ auto enc = card().get_encoder(m_priv->drm_connector->encoders[i]);
+
+ auto l = enc->get_possible_crtcs();
+
+ crtcs.insert(crtcs.end(), l.begin(), l.end());
+ }
+
+ return crtcs;
+}
+}
diff --git a/libkms++/connector.h b/libkms++/connector.h
new file mode 100644
index 0000000..b7d975c
--- /dev/null
+++ b/libkms++/connector.h
@@ -0,0 +1,49 @@
+#pragma once
+
+#include <vector>
+
+#include "drmobject.h"
+
+namespace kms
+{
+
+struct ConnectorPriv;
+
+struct Videomode
+{
+ uint32_t clock;
+ uint16_t hdisplay, hsync_start, hsync_end, htotal, hskew;
+ uint16_t vdisplay, vsync_start, vsync_end, vtotal, vscan;
+
+ uint32_t vrefresh;
+
+ uint32_t flags;
+ uint32_t type;
+ char name[32]; // XXX
+};
+
+class Connector : public DrmObject
+{
+public:
+ Connector(Card& card, uint32_t id, uint32_t idx);
+ ~Connector();
+
+ void setup();
+
+ void print_short() const;
+
+ Videomode get_default_mode() const;
+
+ Crtc* get_current_crtc() const { return m_current_crtc; }
+ std::vector<Crtc*> get_possible_crtcs() const;
+
+ bool connected();
+
+private:
+ ConnectorPriv* m_priv;
+
+ std::string m_fullname;
+
+ Crtc* m_current_crtc;
+};
+}
diff --git a/libkms++/crtc.cpp b/libkms++/crtc.cpp
new file mode 100644
index 0000000..e583be8
--- /dev/null
+++ b/libkms++/crtc.cpp
@@ -0,0 +1,74 @@
+#include <stdio.h>
+#include <iostream>
+#include <unistd.h>
+#include <fcntl.h>
+#include <cassert>
+
+#include "kms++.h"
+#include "helpers.h"
+
+using namespace std;
+
+namespace kms
+{
+
+struct CrtcPriv
+{
+ drmModeCrtcPtr drm_crtc;
+};
+
+Crtc::Crtc(Card &card, uint32_t id, uint32_t idx)
+ :DrmObject(card, id, DRM_MODE_OBJECT_CRTC, idx)
+{
+ m_priv = new CrtcPriv();
+ m_priv->drm_crtc = drmModeGetCrtc(this->card().fd(), this->id());
+ assert(m_priv->drm_crtc);
+}
+
+Crtc::~Crtc()
+{
+ drmModeFreeCrtc(m_priv->drm_crtc);
+ delete m_priv;
+}
+
+void Crtc::setup()
+{
+ for (Plane* plane : card().get_planes()) {
+ if (plane->supports_crtc(this))
+ m_possible_planes.push_back(plane);
+ }
+}
+
+void Crtc::print_short() const
+{
+ auto c = m_priv->drm_crtc;
+
+ printf("Crtc %d, %d,%d %dx%d\n", id(),
+ c->x, c->y, c->width, c->height);
+}
+
+int Crtc::set_mode(Connector* conn, Framebuffer& fb, const Videomode& mode)
+{
+ uint32_t conns[] = { conn->id() };
+ drmModeModeInfo drmmode = video_mode_to_drm_mode(mode);
+
+ return drmModeSetCrtc(card().fd(), id(), fb.id(),
+ 0, 0,
+ conns, 1, &drmmode);
+}
+
+static inline uint32_t conv(float x)
+{
+ // XXX fix the conversion for fractional part
+ return ((uint32_t)x) << 16;
+}
+
+int Crtc::set_plane(Plane* plane, Framebuffer& fb,
+ int32_t dst_x, int32_t dst_y, uint32_t dst_w, uint32_t dst_h,
+ float src_x, float src_y, float src_w, float src_h)
+{
+ return drmModeSetPlane(card().fd(), plane->id(), id(), fb.id(), 0,
+ dst_x, dst_y, dst_w, dst_h,
+ conv(src_x), conv(src_y), conv(src_w), conv(src_h));
+}
+}
diff --git a/libkms++/crtc.h b/libkms++/crtc.h
new file mode 100644
index 0000000..ac05da9
--- /dev/null
+++ b/libkms++/crtc.h
@@ -0,0 +1,35 @@
+#pragma once
+
+#include <vector>
+
+#include "drmobject.h"
+
+namespace kms
+{
+
+struct CrtcPriv;
+
+class Crtc : public DrmObject
+{
+public:
+ Crtc(Card& card, uint32_t id, uint32_t idx);
+ ~Crtc();
+
+ void setup();
+
+ void print_short() const;
+
+ const std::vector<Plane*>& get_possible_planes() const { return m_possible_planes; }
+
+ int set_mode(Connector* conn, Framebuffer& fb, const Videomode& mode);
+
+ int set_plane(Plane *plane, Framebuffer &fb,
+ int32_t dst_x, int32_t dst_y, uint32_t dst_w, uint32_t dst_h,
+ float src_x, float src_y, float src_w, float src_h);
+
+private:
+ CrtcPriv* m_priv;
+
+ std::vector<Plane*> m_possible_planes;
+};
+}
diff --git a/libkms++/decls.h b/libkms++/decls.h
new file mode 100644
index 0000000..c2cf09f
--- /dev/null
+++ b/libkms++/decls.h
@@ -0,0 +1,15 @@
+#pragma once
+
+namespace kms
+{
+class AtomicReq;
+class Card;
+class Connector;
+class Crtc;
+class Encoder;
+class Framebuffer;
+class DrmObject;
+class Plane;
+class Property;
+class Videomode;
+}
diff --git a/libkms++/drmobject.cpp b/libkms++/drmobject.cpp
new file mode 100644
index 0000000..ea5d594
--- /dev/null
+++ b/libkms++/drmobject.cpp
@@ -0,0 +1,69 @@
+#include <string.h>
+#include <iostream>
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+
+#include "kms++.h"
+
+using namespace std;
+
+namespace kms
+{
+
+DrmObject::DrmObject(Card& card, uint32_t object_type)
+ :m_id(-1), m_card(card), m_object_type(object_type)
+{
+}
+
+DrmObject::DrmObject(Card& card, uint32_t id, uint32_t object_type, uint32_t idx)
+ :m_id(id), m_card(card), m_object_type(object_type), m_idx(idx)
+{
+ refresh_props();
+}
+
+DrmObject::~DrmObject()
+{
+
+}
+
+void DrmObject::refresh_props()
+{
+ auto props = drmModeObjectGetProperties(card().fd(), this->id(), this->object_type());
+
+ if (props == nullptr)
+ return;
+
+ for (unsigned i = 0; i < props->count_props; ++i) {
+ uint32_t prop_id = props->props[i];
+ uint64_t prop_value = props->prop_values[i];
+
+ m_prop_values[prop_id] = prop_value;
+ }
+
+ drmModeFreeObjectProperties(props);
+}
+
+void DrmObject::print_props() const
+{
+ for (auto it = m_prop_values.begin(); it != m_prop_values.end(); ++it) {
+ cout << "\t" << card().get_prop(it->first)->name() <<
+ " = " << it->second << endl;
+ }
+}
+
+uint64_t DrmObject::get_prop_value(uint32_t id) const
+{
+ return m_prop_values.at(id);
+}
+
+uint64_t DrmObject::get_prop_value(const char *name) const
+{
+ for (auto pair : m_prop_values) {
+ auto prop = card().get_prop(pair.first);
+ if (strcmp(name, prop->name()) == 0)
+ return m_prop_values.at(prop->id());
+ }
+
+ throw invalid_argument("foo");
+}
+}
diff --git a/libkms++/drmobject.h b/libkms++/drmobject.h
new file mode 100644
index 0000000..5c945f9
--- /dev/null
+++ b/libkms++/drmobject.h
@@ -0,0 +1,44 @@
+#pragma once
+
+#include <map>
+
+#include "decls.h"
+
+namespace kms
+{
+
+class DrmObject
+{
+public:
+ DrmObject(Card& card, uint32_t object_type);
+ DrmObject(Card& card, uint32_t id, uint32_t object_type, uint32_t idx = 0);
+ virtual ~DrmObject();
+
+ DrmObject(const DrmObject& other) = delete;
+ DrmObject& operator=(const DrmObject& other) = delete;
+
+ virtual void setup() { };
+
+ virtual void print_short() const = 0;
+ void print_props() const;
+
+ uint32_t id() const { return m_id; }
+ Card& card() const { return m_card; }
+
+ uint32_t object_type() const { return m_object_type; }
+ uint32_t idx() const { return m_idx; }
+
+ void refresh_props();
+ uint64_t get_prop_value(uint32_t id) const;
+ uint64_t get_prop_value(const char *name) const;
+
+protected:
+ uint32_t m_id; // protected for Framebuffer...
+
+private:
+ Card& m_card;
+ std::map<uint32_t, uint64_t> m_prop_values;
+ uint32_t m_object_type;
+ uint32_t m_idx;
+};
+}
diff --git a/libkms++/encoder.cpp b/libkms++/encoder.cpp
new file mode 100644
index 0000000..081177b
--- /dev/null
+++ b/libkms++/encoder.cpp
@@ -0,0 +1,63 @@
+#include <stdio.h>
+#include <iostream>
+#include <unistd.h>
+#include <fcntl.h>
+#include <cassert>
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+
+#include "kms++.h"
+
+using namespace std;
+
+namespace kms
+{
+
+struct EncoderPriv
+{
+ drmModeEncoderPtr drm_encoder;
+};
+
+Encoder::Encoder(Card &card, uint32_t id)
+ :DrmObject(card, id, DRM_MODE_OBJECT_ENCODER)
+{
+ m_priv = new EncoderPriv();
+ m_priv->drm_encoder = drmModeGetEncoder(this->card().fd(), this->id());
+ assert(m_priv->drm_encoder);
+}
+
+Encoder::~Encoder()
+{
+ drmModeFreeEncoder(m_priv->drm_encoder);
+ delete m_priv;
+}
+
+void Encoder::print_short() const
+{
+ auto e = m_priv->drm_encoder;
+
+ printf("Encoder %d, %d\n", id(),
+ e->encoder_type);
+}
+
+Crtc* Encoder::get_crtc() const
+{
+ return card().get_crtc(m_priv->drm_encoder->crtc_id);
+}
+
+vector<Crtc*> Encoder::get_possible_crtcs() const
+{
+ unsigned bits = m_priv->drm_encoder->possible_crtcs;
+ vector<Crtc*> crtcs;
+
+ for (int idx = 0; bits; idx++, bits >>= 1) {
+ if ((bits & 1) == 0)
+ continue;
+
+ auto crtc = card().get_crtc_by_index(idx);
+ crtcs.push_back(crtc);
+ }
+
+ return crtcs;
+}
+}
diff --git a/libkms++/encoder.h b/libkms++/encoder.h
new file mode 100644
index 0000000..3e9a8e4
--- /dev/null
+++ b/libkms++/encoder.h
@@ -0,0 +1,25 @@
+#pragma once
+
+#include <vector>
+#include "drmobject.h"
+
+namespace kms
+{
+
+struct EncoderPriv;
+
+class Encoder : public DrmObject
+{
+public:
+ Encoder(Card& card, uint32_t id);
+ ~Encoder();
+
+ void print_short() const;
+
+ Crtc* get_crtc() const;
+ std::vector<Crtc*> get_possible_crtcs() const;
+
+private:
+ EncoderPriv* m_priv;
+};
+}
diff --git a/libkms++/framebuffer.cpp b/libkms++/framebuffer.cpp
new file mode 100644
index 0000000..5382a6f
--- /dev/null
+++ b/libkms++/framebuffer.cpp
@@ -0,0 +1,167 @@
+
+#include <cstring>
+#include <stdexcept>
+#include <sys/mman.h>
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+#include <drm_fourcc.h>
+#include <drm.h>
+#include <drm_mode.h>
+
+#include "kms++.h"
+#include "utils/testpat.h"
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+namespace kms
+{
+
+Framebuffer::Framebuffer(Card &card, uint32_t width, uint32_t height, const char* fourcc)
+ :DrmObject(card, DRM_MODE_OBJECT_FB)
+{
+ uint32_t a, b, c, d;
+ a = fourcc[0];
+ b = fourcc[1];
+ c = fourcc[2];
+ d = fourcc[3];
+
+ uint32_t code = ((uint32_t)(a) | ((uint32_t)(b) << 8) | ((uint32_t)(c) << 16) | ((uint32_t)(d) << 24));
+
+ Create(width, height, code);
+}
+
+Framebuffer::~Framebuffer()
+{
+ Destroy();
+}
+
+void Framebuffer::print_short() const
+{
+ printf("Framebuffer %d\n", id());
+}
+
+struct FormatPlaneInfo
+{
+ uint8_t bitspp; /* bits per (macro) pixel */
+ uint8_t xsub;
+ uint8_t ysub;
+};
+
+struct FormatInfo
+{
+ uint32_t format;
+ uint8_t num_planes;
+ struct FormatPlaneInfo planes[4];
+};
+
+static const FormatInfo format_info_array[] = {
+ /* YUV packed */
+ { DRM_FORMAT_UYVY, 1, { { 32, 2, 1 } }, },
+ { DRM_FORMAT_YUYV, 1, { { 32, 2, 1 } }, },
+ /* YUV semi-planar */
+ { DRM_FORMAT_NV12, 2, { { 8, 1, 1, }, { 16, 2, 2 } }, },
+ /* RGB16 */
+ { DRM_FORMAT_RGB565, 1, { { 16, 1, 1 } }, },
+ /* RGB32 */
+ { DRM_FORMAT_XRGB8888, 1, { { 32, 1, 1 } }, },
+};
+
+static const FormatInfo& find_format(uint32_t format)
+{
+ for (uint i = 0; i < ARRAY_SIZE(format_info_array); ++i) {
+ if (format == format_info_array[i].format)
+ return format_info_array[i];
+ }
+
+ throw std::invalid_argument("foo");
+}
+
+void Framebuffer::Create(uint32_t width, uint32_t height, uint32_t format)
+{
+ int r;
+
+ m_width = width;
+ m_height = height;
+ m_format = format;
+
+ const FormatInfo& format_info = find_format(format);
+
+ m_num_planes = format_info.num_planes;
+
+ for (int i = 0; i < format_info.num_planes; ++i) {
+ const FormatPlaneInfo& pi = format_info.planes[i];
+ FramebufferPlane& plane = m_planes[i];
+
+ /* create dumb buffer */
+ struct drm_mode_create_dumb creq = drm_mode_create_dumb();
+ creq.width = m_width / pi.xsub;
+ creq.height = m_height / pi.ysub;
+ creq.bpp = pi.bitspp;
+ r = drmIoctl(card().fd(), DRM_IOCTL_MODE_CREATE_DUMB, &creq);
+ if (r)
+ throw std::invalid_argument("foo");
+
+ plane.handle = creq.handle;
+ plane.stride = creq.pitch;
+ plane.size = creq.height * creq.pitch;
+
+ /*
+ printf("buf %d: %dx%d, bitspp %d, stride %d, size %d\n",
+ i, creq.width, creq.height, pi->bitspp, plane->stride, plane->size);
+ */
+
+ /* prepare buffer for memory mapping */
+ struct drm_mode_map_dumb mreq = drm_mode_map_dumb();
+ mreq.handle = plane.handle;
+ r = drmIoctl(card().fd(), DRM_IOCTL_MODE_MAP_DUMB, &mreq);
+ if (r)
+ throw std::invalid_argument("foo");
+
+ /* perform actual memory mapping */
+ m_planes[i].map = (uint8_t *)mmap(0, plane.size, PROT_READ | PROT_WRITE, MAP_SHARED,
+ card().fd(), mreq.offset);
+ if (plane.map == MAP_FAILED)
+ throw std::invalid_argument("foo");
+
+ /* clear the framebuffer to 0 */
+ memset(plane.map, 0, plane.size);
+ }
+
+ /* create framebuffer object for the dumb-buffer */
+ uint32_t bo_handles[4] = { m_planes[0].handle, m_planes[1].handle };
+ uint32_t pitches[4] = { m_planes[0].stride, m_planes[1].stride };
+ uint32_t offsets[4] = { 0 };
+ uint32_t id;
+ r = drmModeAddFB2(card().fd(), m_width, m_height, format,
+ bo_handles, pitches, offsets, &id, 0);
+ if (r)
+ throw std::invalid_argument("foo");
+
+ m_id = id;
+}
+
+void Framebuffer::Destroy()
+{
+ /* delete framebuffer */
+ drmModeRmFB(card().fd(), id());
+
+ for (uint i = 0; i < m_num_planes; ++i) {
+ FramebufferPlane& plane = m_planes[i];
+
+ /* unmap buffer */
+ munmap(plane.map, plane.size);
+
+ /* delete dumb buffer */
+ struct drm_mode_destroy_dumb dreq = drm_mode_destroy_dumb();
+ dreq.handle = plane.handle;
+ drmIoctl(card().fd(), DRM_IOCTL_MODE_DESTROY_DUMB, &dreq);
+
+ }
+}
+
+void Framebuffer::clear()
+{
+ for (unsigned i = 0; i < m_num_planes; ++i)
+ memset(m_planes[i].map, 0, m_planes[i].size);
+}
+}
diff --git a/libkms++/framebuffer.h b/libkms++/framebuffer.h
new file mode 100644
index 0000000..2710528
--- /dev/null
+++ b/libkms++/framebuffer.h
@@ -0,0 +1,44 @@
+#pragma once
+
+#include "drmobject.h"
+
+namespace kms
+{
+
+class Framebuffer : public DrmObject
+{
+public:
+ Framebuffer(Card& card, uint32_t width, uint32_t height, const char* fourcc);
+ virtual ~Framebuffer();
+
+ void print_short() const;
+
+ uint32_t width() const { return m_width; }
+ uint32_t height() const { return m_height; }
+ uint32_t format() const { return m_format; }
+
+ uint8_t* map(unsigned plane) const { return m_planes[plane].map; }
+ uint32_t stride(unsigned plane) const { return m_planes[plane].stride; }
+ uint32_t size(unsigned plane) const { return m_planes[plane].size; }
+
+ void clear();
+
+private:
+ struct FramebufferPlane {
+ uint32_t handle;
+ uint32_t size;
+ uint32_t stride;
+ uint8_t *map;
+ };
+
+ void Create(uint32_t width, uint32_t height, uint32_t format);
+ void Destroy();
+
+ unsigned m_num_planes;
+ struct FramebufferPlane m_planes[4];
+
+ uint32_t m_width;
+ uint32_t m_height;
+ uint32_t m_format;
+};
+}
diff --git a/libkms++/helpers.cpp b/libkms++/helpers.cpp
new file mode 100644
index 0000000..7746bde
--- /dev/null
+++ b/libkms++/helpers.cpp
@@ -0,0 +1,23 @@
+
+#include "connector.h"
+#include "helpers.h"
+#include <cstring>
+
+namespace kms
+{
+Videomode drm_mode_to_video_mode(const drmModeModeInfo& drmmode)
+{
+ // XXX these are the same at the moment
+ Videomode mode;
+ memcpy(&mode, &drmmode, sizeof(mode));
+ return mode;
+}
+
+drmModeModeInfo video_mode_to_drm_mode(const Videomode& mode)
+{
+ // XXX these are the same at the moment
+ drmModeModeInfo drmmode;
+ memcpy(&drmmode, &mode, sizeof(drmmode));
+ return drmmode;
+}
+}
diff --git a/libkms++/helpers.h b/libkms++/helpers.h
new file mode 100644
index 0000000..ac640e8
--- /dev/null
+++ b/libkms++/helpers.h
@@ -0,0 +1,12 @@
+#pragma once
+
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+
+namespace kms
+{
+class Videomode;
+
+Videomode drm_mode_to_video_mode(const drmModeModeInfo& drmmode);
+drmModeModeInfo video_mode_to_drm_mode(const Videomode& mode);
+}
diff --git a/libkms++/kms++.h b/libkms++/kms++.h
new file mode 100644
index 0000000..f9808ed
--- /dev/null
+++ b/libkms++/kms++.h
@@ -0,0 +1,10 @@
+#pragma once
+
+#include "atomicreq.h"
+#include "card.h"
+#include "connector.h"
+#include "crtc.h"
+#include "encoder.h"
+#include "framebuffer.h"
+#include "plane.h"
+#include "property.h"
diff --git a/libkms++/plane.cpp b/libkms++/plane.cpp
new file mode 100644
index 0000000..afb9c78
--- /dev/null
+++ b/libkms++/plane.cpp
@@ -0,0 +1,64 @@
+#include <stdio.h>
+#include <iostream>
+#include <unistd.h>
+#include <fcntl.h>
+#include <cassert>
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+
+#include "kms++.h"
+
+using namespace std;
+
+namespace kms
+{
+
+struct PlanePriv
+{
+ drmModePlanePtr drm_plane;
+};
+
+Plane::Plane(Card &card, uint32_t id)
+ :DrmObject(card, id, DRM_MODE_OBJECT_PLANE)
+{
+ m_priv = new PlanePriv();
+ m_priv->drm_plane = drmModeGetPlane(this->card().fd(), this->id());
+ assert(m_priv->drm_plane);
+}
+
+Plane::~Plane()
+{
+ drmModeFreePlane(m_priv->drm_plane);
+ delete m_priv;
+}
+
+void Plane::print_short() const
+{
+ auto p = m_priv->drm_plane;
+
+ printf("Plane %d, %d modes, %d,%d -> %dx%d\n", id(),
+ p->count_formats,
+ p->crtc_x, p->crtc_y, p->x, p->y);
+
+ printf("\t");
+ for (unsigned i = 0; i < p->count_formats; ++i) {
+ uint32_t f = p->formats[i];
+ printf("%c%c%c%c ",
+ (f >> 0) & 0xff,
+ (f >> 8) & 0xff,
+ (f >> 16) & 0xff,
+ (f >> 24) & 0xff);
+ }
+ printf("\n");
+}
+
+bool Plane::supports_crtc(Crtc* crtc) const
+{
+ return m_priv->drm_plane->possible_crtcs & (1 << crtc->idx());
+}
+
+PlaneType Plane::plane_type() const
+{
+ return (PlaneType)get_prop_value("type");
+}
+}
diff --git a/libkms++/plane.h b/libkms++/plane.h
new file mode 100644
index 0000000..890a28f
--- /dev/null
+++ b/libkms++/plane.h
@@ -0,0 +1,32 @@
+#pragma once
+
+#include "drmobject.h"
+
+namespace kms
+{
+
+enum class PlaneType
+{
+ Overlay = 0,
+ Primary = 1,
+ Cursor = 2,
+};
+
+struct PlanePriv;
+
+class Plane : public DrmObject
+{
+public:
+ Plane(Card& card, uint32_t id);
+ ~Plane();
+
+ void print_short() const;
+
+ bool supports_crtc(Crtc* crtc) const;
+
+ PlaneType plane_type() const;
+
+private:
+ PlanePriv* m_priv;
+};
+}
diff --git a/libkms++/property.cpp b/libkms++/property.cpp
new file mode 100644
index 0000000..af6a0ae
--- /dev/null
+++ b/libkms++/property.cpp
@@ -0,0 +1,36 @@
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+
+#include "kms++.h"
+
+namespace kms
+{
+
+struct PropertyPriv
+{
+ drmModePropertyPtr drm_prop;
+};
+
+Property::Property(Card& card, uint32_t id)
+ : DrmObject(card, id, DRM_MODE_OBJECT_PROPERTY)
+{
+ m_priv = new PropertyPriv();
+ m_priv->drm_prop = drmModeGetProperty(card.fd(), id);
+}
+
+Property::~Property()
+{
+ drmModeFreeProperty(m_priv->drm_prop);
+ delete m_priv;
+}
+
+void Property::print_short() const
+{
+ printf("Property %d, %s\n", id(), name());
+}
+
+const char *Property::name() const
+{
+ return m_priv->drm_prop->name;
+}
+}
diff --git a/libkms++/property.h b/libkms++/property.h
new file mode 100644
index 0000000..d5306d0
--- /dev/null
+++ b/libkms++/property.h
@@ -0,0 +1,23 @@
+#pragma once
+
+#include "drmobject.h"
+
+namespace kms
+{
+
+struct PropertyPriv;
+
+class Property : public DrmObject
+{
+public:
+ Property(Card& card, uint32_t id);
+ ~Property();
+
+ void print_short() const;
+
+ const char *name() const;
+
+private:
+ PropertyPriv* m_priv;
+};
+}
diff --git a/libkms++/utils/color.cpp b/libkms++/utils/color.cpp
new file mode 100644
index 0000000..b5b9001
--- /dev/null
+++ b/libkms++/utils/color.cpp
@@ -0,0 +1,67 @@
+#include "color.h"
+
+namespace kms
+{
+RGB::RGB()
+{
+ r = g = b = a = 0;
+}
+
+RGB::RGB(uint8_t r, uint8_t g, uint8_t b)
+{
+ this->r = r;
+ this->g = g;
+ this->b = b;
+ this->a = 0;
+}
+
+uint16_t RGB::rgb565() const
+{
+ uint16_t r = (this->r >> 3) << 11;
+ uint16_t g = (this->g >> 2) << 5;
+ uint16_t b = (this->b >> 3) << 0;
+ return r | g | b;
+}
+
+YUV RGB::yuv() const
+{
+ return YUV(*this);
+}
+
+
+YUV::YUV()
+{
+ y = u = v = a = 0;
+}
+
+YUV::YUV(uint8_t y, uint8_t u, uint8_t v)
+{
+ this->y = y;
+ this->u = u;
+ this->v = v;
+ this->a = 0;
+}
+
+static inline uint8_t MAKE_YUV_601_Y(uint8_t r, uint8_t g, uint8_t b)
+{
+ return (((66 * r + 129 * g + 25 * b + 128) >> 8) + 16);
+}
+
+static inline uint8_t MAKE_YUV_601_U(uint8_t r, uint8_t g, uint8_t b)
+{
+ return (((-38 * r - 74 * g + 112 * b + 128) >> 8) + 128);
+}
+
+static inline uint8_t MAKE_YUV_601_V(uint8_t r, uint8_t g, uint8_t b)
+{
+ return (((112 * r - 94 * g - 18 * b + 128) >> 8) + 128);
+}
+
+YUV::YUV(const RGB& rgb)
+{
+ this->y = MAKE_YUV_601_Y(rgb.r, rgb.g, rgb.b);
+ this->u = MAKE_YUV_601_U(rgb.r, rgb.g, rgb.b);
+ this->v = MAKE_YUV_601_V(rgb.r, rgb.g, rgb.b);
+ this->a = rgb.a;
+}
+}
diff --git a/libkms++/utils/color.h b/libkms++/utils/color.h
new file mode 100644
index 0000000..1db47e8
--- /dev/null
+++ b/libkms++/utils/color.h
@@ -0,0 +1,48 @@
+#pragma once
+
+#include <cstdint>
+
+namespace kms
+{
+struct YUV;
+
+struct RGB
+{
+ RGB();
+ RGB(uint8_t r, uint8_t g, uint8_t b);
+
+ uint16_t rgb565() const;
+ YUV yuv() const;
+
+ union {
+ struct
+ {
+ uint8_t b;
+ uint8_t g;
+ uint8_t r;
+ uint8_t a;
+ };
+
+ uint32_t raw;
+ };
+};
+
+struct YUV
+{
+ YUV();
+ YUV(uint8_t y, uint8_t u, uint8_t v);
+ YUV(const RGB& rgb);
+
+ union {
+ struct
+ {
+ uint8_t v;
+ uint8_t u;
+ uint8_t y;
+ uint8_t a;
+ };
+
+ uint32_t raw;
+ };
+};
+}
diff --git a/libkms++/utils/conv.cpp b/libkms++/utils/conv.cpp
new file mode 100644
index 0000000..d439253
--- /dev/null
+++ b/libkms++/utils/conv.cpp
@@ -0,0 +1,138 @@
+#include <drm_fourcc.h>
+#include <stdexcept>
+
+#include "framebuffer.h"
+#include "color.h"
+#include "conv.h"
+
+namespace kms
+{
+static RGB read_rgb(const Framebuffer& fb, int x, int y)
+{
+ uint32_t *pc = (uint32_t *)(fb.map(0) + fb.stride(0) * y);
+
+ uint32_t c = pc[x];
+
+ return RGB((c >> 16) & 0xff, (c >> 8) & 0xff, c & 0xff);
+}
+
+static YUV read_rgb_as_yuv(const Framebuffer& fb, int x, int y)
+{
+ RGB rgb = read_rgb(fb, x, y);
+ return YUV(rgb);
+}
+
+static void fb_rgb_to_packed_yuv(Framebuffer& dst_fb, const Framebuffer& src_fb)
+{
+ unsigned w = src_fb.width();
+ unsigned h = src_fb.height();
+
+ uint8_t *dst = dst_fb.map(0);
+
+ for (unsigned y = 0; y < h; ++y) {
+ for (unsigned x = 0; x < w; x += 2) {
+ YUV yuv1 = read_rgb_as_yuv(src_fb, x + 0, y);
+ YUV yuv2 = read_rgb_as_yuv(src_fb, x + 1, y);
+
+ switch (dst_fb.format()) {
+ case DRM_FORMAT_UYVY:
+ dst[x * 2 + 0] = (yuv1.u + yuv2.u) / 2;
+ dst[x * 2 + 1] = yuv1.y;
+ dst[x * 2 + 2] = (yuv1.v + yuv2.v) / 2;
+ dst[x * 2 + 3] = yuv2.y;
+ break;
+ case DRM_FORMAT_YUYV:
+ dst[x * 2 + 0] = yuv1.y;
+ dst[x * 2 + 1] = (yuv1.u + yuv2.u) / 2;
+ dst[x * 2 + 2] = yuv2.y;
+ dst[x * 2 + 3] = (yuv1.v + yuv2.v) / 2;
+ break;
+
+ default:
+ throw std::invalid_argument("fo");
+ }
+ }
+
+ dst += dst_fb.stride(0);
+ }
+}
+
+static void fb_rgb_to_semiplanar_yuv(Framebuffer& dst_fb, const Framebuffer& src_fb)
+{
+ unsigned w = src_fb.width();
+ unsigned h = src_fb.height();
+
+ uint8_t *dst_y = dst_fb.map(0);
+ uint8_t *dst_uv = dst_fb.map(1);
+
+ for (unsigned y = 0; y < h; ++y) {
+ for (unsigned x = 0; x < w; ++x) {
+ YUV yuv = read_rgb_as_yuv(src_fb, x, y);
+ dst_y[x] = yuv.y;
+ }
+
+ dst_y += dst_fb.stride(0);
+ }
+
+ for (unsigned y = 0; y < h; y += 2) {
+ for (unsigned x = 0; x < w; x += 2) {
+ YUV yuv00 = read_rgb_as_yuv(src_fb, x + 0, y + 0);
+ YUV yuv01 = read_rgb_as_yuv(src_fb, x + 1, y + 0);
+ YUV yuv10 = read_rgb_as_yuv(src_fb, x + 0, y + 1);
+ YUV yuv11 = read_rgb_as_yuv(src_fb, x + 1, y + 1);
+
+ unsigned u = (yuv00.u + yuv01.u + yuv10.u + yuv11.u) / 4;
+ unsigned v = (yuv00.v + yuv01.v + yuv10.v + yuv11.v) / 4;
+
+ dst_uv[x + 0] = u;
+ dst_uv[x + 1] = v;
+ }
+
+ dst_uv += dst_fb.stride(1);
+ }
+}
+
+static void fb_rgb_to_rgb565(Framebuffer& dst_fb, const Framebuffer& src_fb)
+{
+ unsigned w = src_fb.width();
+ unsigned h = src_fb.height();
+
+ uint8_t *dst = dst_fb.map(0);
+
+ for (unsigned y = 0; y < h; ++y) {
+ for (unsigned x = 0; x < w; ++x) {
+ RGB rgb = read_rgb(src_fb, x, y);
+
+ unsigned r = rgb.r * 32 / 256;
+ unsigned g = rgb.g * 64 / 256;
+ unsigned b = rgb.b * 32 / 256;
+
+ ((uint16_t *)dst)[x] = (r << 11) | (g << 5) | (b << 0);
+ }
+
+ dst += dst_fb.stride(0);
+ }
+}
+
+void color_convert(Framebuffer& dst, const Framebuffer &src)
+{
+ switch (dst.format()) {
+ case DRM_FORMAT_NV12:
+ case DRM_FORMAT_NV21:
+ fb_rgb_to_semiplanar_yuv(dst, src);
+ break;
+
+ case DRM_FORMAT_YUYV:
+ case DRM_FORMAT_UYVY:
+ fb_rgb_to_packed_yuv(dst, src);
+ break;
+
+ case DRM_FORMAT_RGB565:
+ fb_rgb_to_rgb565(dst, src);
+ break;
+
+ default:
+ throw std::invalid_argument("fo");
+ }
+}
+}
diff --git a/libkms++/utils/conv.h b/libkms++/utils/conv.h
new file mode 100644
index 0000000..d1b306a
--- /dev/null
+++ b/libkms++/utils/conv.h
@@ -0,0 +1,8 @@
+#pragma once
+
+namespace kms
+{
+class Framebuffer;
+
+void color_convert(Framebuffer& dst, const Framebuffer &src);
+}
diff --git a/libkms++/utils/testpat.cpp b/libkms++/utils/testpat.cpp
new file mode 100644
index 0000000..cd35e0e
--- /dev/null
+++ b/libkms++/utils/testpat.cpp
@@ -0,0 +1,162 @@
+
+#include <chrono>
+#include <cstring>
+#include <cassert>
+
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+#include <drm_fourcc.h>
+#include <drm.h>
+#include <drm_mode.h>
+
+#include "card.h"
+#include "framebuffer.h"
+#include "testpat.h"
+#include "color.h"
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+namespace kms
+{
+static void draw_pixel(Framebuffer& buf, unsigned x, unsigned y, RGB color)
+{
+ static RGB c1;
+
+ switch (buf.format()) {
+ case DRM_FORMAT_XRGB8888:
+ {
+ uint32_t *p = (uint32_t*)(buf.map(0) + buf.stride(0) * y + x * 4);
+ *p = color.raw;
+ break;
+ }
+ case DRM_FORMAT_RGB565:
+ {
+ uint16_t *p = (uint16_t*)(buf.map(0) + buf.stride(0) * y + x * 2);
+ *p = color.rgb565();
+ break;
+ }
+ case DRM_FORMAT_UYVY:
+ {
+ if ((x & 1) == 0) {
+ c1 = color;
+ return;
+ }
+
+ uint8_t *p = (uint8_t*)(buf.map(0) + buf.stride(0) * y + x * 2);
+
+ YUV yuv1 = c1.yuv();
+ YUV yuv2 = color.yuv();
+
+ p[0] = (yuv1.u + yuv2.u) / 2;
+ p[1] = yuv1.y;
+ p[2] = (yuv1.v + yuv2.v) / 2;
+ p[3] = yuv2.y;
+ break;
+ }
+ case DRM_FORMAT_YUYV:
+ {
+ if ((x & 1) == 0) {
+ c1 = color;
+ return;
+ }
+
+ uint8_t *p = (uint8_t*)(buf.map(0) + buf.stride(0) * y + x * 2);
+
+ YUV yuv1 = c1.yuv();
+ YUV yuv2 = color.yuv();
+
+ p[0] = yuv1.y;
+ p[1] = (yuv1.u + yuv2.u) / 2;
+ p[2] = yuv2.y;
+ p[3] = (yuv1.v + yuv2.v) / 2;
+ break;
+ }
+ }
+}
+
+static void draw_rgb_test_pattern(Framebuffer& fb)
+{
+ unsigned x, y;
+ unsigned w = fb.width();
+ unsigned h = fb.height();
+
+ const unsigned mw = 20;
+
+ const unsigned xm1 = mw;
+ const unsigned xm2 = w - mw - 1;
+ const unsigned ym1 = mw;
+ const unsigned ym2 = h - mw - 1;
+
+ for (y = 0; y < h; y++) {
+ for (x = 0; x < w; x++) {
+ // white margin lines
+ if (x == xm1 || x == xm2 || y == ym1 || y == ym2)
+ draw_pixel(fb, x, y, RGB(255, 255, 255));
+ // white box outlines to corners
+ else if ((x == 0 || x == w - 1) && (y < ym1 || y > ym2))
+ draw_pixel(fb, x, y, RGB(255, 255, 255));
+ // white box outlines to corners
+ else if ((y == 0 || y == h - 1) && (x < xm1 || x > xm2))
+ draw_pixel(fb, x, y, RGB(255, 255, 255));
+ // blue bar on the left
+ else if (x < xm1 && (y > ym1 && y < ym2))
+ draw_pixel(fb, x, y, RGB(0, 0, 255));
+ // blue bar on the top
+ else if (y < ym1 && (x > xm1 && x < xm2))
+ draw_pixel(fb, x, y, RGB(0, 0, 255));
+ // red bar on the right
+ else if (x > xm2 && (y > ym1 && y < ym2))
+ draw_pixel(fb, x, y, RGB(255, 0, 0));
+ // red bar on the bottom
+ else if (y > ym2 && (x > xm1 && x < xm2))
+ draw_pixel(fb, x, y, RGB(255, 0, 0));
+ // inside the margins
+ else if (x > xm1 && x < xm2 && y > ym1 && y < ym2) {
+ // diagonal line
+ if (x == y || w - x == h - y)
+ draw_pixel(fb, x, y, RGB(255, 255, 255));
+ // diagonal line
+ else if (w - x == y || x == h - y)
+ draw_pixel(fb, x, y, RGB(255, 255, 255));
+ else {
+ int t = (x - xm1 - 1) * 3 / (xm2 - xm1 - 1);
+ unsigned r = 0, g = 0, b = 0;
+
+ unsigned c = (y - ym1 - 1) % 256;
+
+ switch (t) {
+ case 0:
+ r = c;
+ break;
+ case 1:
+ g = c;
+ break;
+ case 2:
+ b = c;
+ break;
+ }
+
+ draw_pixel(fb, x, y, RGB(r, g, b));
+ }
+ // black corners
+ } else {
+ draw_pixel(fb, x, y, RGB(0, 0, 0));
+ }
+ }
+ }
+}
+
+void draw_test_pattern(Framebuffer& fb)
+{
+ using namespace std::chrono;
+
+ auto t1 = high_resolution_clock::now();
+
+ draw_rgb_test_pattern(fb);
+
+ auto t2 = high_resolution_clock::now();
+ auto time_span = duration_cast<microseconds>(t2 - t1);
+
+ printf("draw took %lu us\n", time_span.count());
+}
+}
diff --git a/libkms++/utils/testpat.h b/libkms++/utils/testpat.h
new file mode 100644
index 0000000..b60271a
--- /dev/null
+++ b/libkms++/utils/testpat.h
@@ -0,0 +1,6 @@
+#pragma once
+
+namespace kms
+{
+void draw_test_pattern(Framebuffer& fb);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 15:25:40 +0000