diff options
| -rw-r--r-- | README.md | 3 | ||||
| -rw-r--r-- | utils/db.cpp | 264 |
2 files changed, 1 insertions, 266 deletions
@@ -6,10 +6,9 @@ Also included are some simple utilities for KMS and python bindings for libkms++ ## Utilities -- testpat - set modes and planes and show test pattern on crtcs/planes +- testpat - set modes and planes and show test pattern on crtcs/planes, and test page flips - kmsprint - print information about DRM objects - kmsview - view raw images -- db - simple double-buffering test - kmscube - rotating 3D cube on crtcs/planes - kmscapture - show captured frames from a camera on screen diff --git a/utils/db.cpp b/utils/db.cpp deleted file mode 100644 index 13bc5e2..0000000 --- a/utils/db.cpp +++ /dev/null @@ -1,264 +0,0 @@ -#include <cstdio> -#include <algorithm> -#include <chrono> - -#include <xf86drm.h> -#include <xf86drmMode.h> -#include <drm_fourcc.h> - -#include <kms++.h> -#include <kms++util.h> - -using namespace std; -using namespace kms; - -static void main_loop(Card& card); - -class Flipper -{ -public: - Flipper(Card& card, unsigned width, unsigned height) - : m_current(0), m_bar_xpos(0) - { - auto format = PixelFormat::XRGB8888; - m_fbs[0] = new DumbFramebuffer(card, width, height, format); - m_fbs[1] = new DumbFramebuffer(card, width, height, format); - } - - ~Flipper() - { - delete m_fbs[0]; - delete m_fbs[1]; - } - - Framebuffer* get_next() - { - m_current ^= 1; - - const int bar_width = 20; - const int bar_speed = 8; - - auto fb = m_fbs[m_current]; - - int current_xpos = m_bar_xpos; - int old_xpos = (current_xpos + (fb->width() - bar_width - bar_speed)) % (fb->width() - bar_width); - int new_xpos = (current_xpos + bar_speed) % (fb->width() - bar_width); - - draw_color_bar(*fb, old_xpos, new_xpos, bar_width); - - m_bar_xpos = new_xpos; - - return fb; - } - -private: - DumbFramebuffer* m_fbs[2]; - - int m_current; - int m_bar_xpos; -}; - -class OutputFlipHandler : private PageFlipHandlerBase -{ -public: - OutputFlipHandler(Connector* conn, Crtc* crtc, const Videomode& mode) - : m_connector(conn), m_crtc(crtc), m_mode(mode), - m_flipper(conn->card(), mode.hdisplay, mode.vdisplay), - m_plane(0), m_plane_flipper(0) - { - } - - OutputFlipHandler(Connector* conn, Crtc* crtc, const Videomode& mode, - Plane* plane, unsigned pwidth, unsigned pheight) - : m_connector(conn), m_crtc(crtc), m_mode(mode), - m_flipper(conn->card(), mode.hdisplay, mode.vdisplay), - m_plane(plane) - { - m_plane_flipper = new Flipper(conn->card(), pwidth, pheight); - } - - ~OutputFlipHandler() - { - if (m_plane_flipper) - delete m_plane_flipper; - } - - OutputFlipHandler(const OutputFlipHandler& other) = delete; - OutputFlipHandler& operator=(const OutputFlipHandler& other) = delete; - - void set_mode() - { - auto fb = m_flipper.get_next(); - int r = m_crtc->set_mode(m_connector, *fb, m_mode); - ASSERT(r == 0); - - if (m_crtc->card().has_atomic()) - m_root_plane = m_crtc->get_primary_plane(); - - if (m_plane) { - auto planefb = m_plane_flipper->get_next(); - r = m_crtc->set_plane(m_plane, *planefb, - 0, 0, planefb->width(), planefb->height(), - 0, 0, planefb->width(), planefb->height()); - ASSERT(r == 0); - } - } - - void start_flipping() - { - m_time_last = m_t1 = std::chrono::steady_clock::now(); - m_slowest_frame = std::chrono::duration<float>::min(); - m_frame_num = 0; - queue_next(); - } - -private: - void handle_page_flip(uint32_t frame, double time) - { - ++m_frame_num; - - auto now = std::chrono::steady_clock::now(); - - std::chrono::duration<float> diff = now - m_time_last; - if (diff > m_slowest_frame) - m_slowest_frame = diff; - - if (m_frame_num % 100 == 0) { - std::chrono::duration<float> fsec = now - m_t1; - printf("Output %d: fps %f, slowest %.2f ms\n", - m_connector->idx(), 100.0 / fsec.count(), - m_slowest_frame.count() * 1000); - m_t1 = now; - m_slowest_frame = std::chrono::duration<float>::min(); - } - - m_time_last = now; - - queue_next(); - } - - void queue_next() - { - auto crtc = m_crtc; - auto& card = crtc->card(); - - auto fb = m_flipper.get_next(); - Framebuffer* planefb = m_plane ? m_plane_flipper->get_next() : 0; - - if (card.has_atomic()) { - int r; - - AtomicReq req(card); - - req.add(m_root_plane, "FB_ID", fb->id()); - if (m_plane) - req.add(m_plane, "FB_ID", planefb->id()); - - r = req.test(); - ASSERT(r == 0); - - r = req.commit(this); - ASSERT(r == 0); - } else { - int r = crtc->page_flip(*fb, this); - ASSERT(r == 0); - - if (m_plane) { - r = m_crtc->set_plane(m_plane, *planefb, - 0, 0, planefb->width(), planefb->height(), - 0, 0, planefb->width(), planefb->height()); - ASSERT(r == 0); - } - } - } - -private: - Connector* m_connector; - Crtc* m_crtc; - Videomode m_mode; - Plane* m_root_plane; - - int m_frame_num; - chrono::steady_clock::time_point m_t1; - chrono::steady_clock::time_point m_time_last; - chrono::duration<float> m_slowest_frame; - - Flipper m_flipper; - - Plane* m_plane; - Flipper* m_plane_flipper; -}; - -int main() -{ - Card card; - - if (card.master() == false) - printf("Not DRM master, modeset may fail\n"); - - vector<OutputFlipHandler*> outputs; - - for (auto pipe : card.get_connected_pipelines()) - { - auto conn = pipe.connector; - auto crtc = pipe.crtc; - auto mode = conn->get_default_mode(); - - - Plane* plane = 0; -#if 0 // disable the plane for now - for (Plane* p : crtc->get_possible_planes()) { - if (p->plane_type() == PlaneType::Overlay) { - plane = p; - break; - } - } -#endif - OutputFlipHandler* output; - if (plane) - output = new OutputFlipHandler(conn, crtc, mode, plane, 500, 400); - else - output = new OutputFlipHandler(conn, crtc, mode); - outputs.push_back(output); - } - - for(auto out : outputs) - out->set_mode(); - - for(auto out : outputs) - out->start_flipping(); - - main_loop(card); - - for(auto out : outputs) - delete out; -} - -static void main_loop(Card& card) -{ - fd_set fds; - - FD_ZERO(&fds); - - int fd = card.fd(); - - printf("press enter to exit\n"); - - while (true) { - int r; - - FD_SET(0, &fds); - FD_SET(fd, &fds); - - r = select(fd + 1, &fds, NULL, NULL, NULL); - if (r < 0) { - fprintf(stderr, "select() failed with %d: %m\n", errno); - break; - } else if (FD_ISSET(0, &fds)) { - fprintf(stderr, "exit due to user-input\n"); - break; - } else if (FD_ISSET(fd, &fds)) { - card.call_page_flip_handlers(); - } - } -} |