diff options
Diffstat (limited to 'minui')
| -rw-r--r-- | minui/graphics.cpp | 35 | ||||
| -rw-r--r-- | minui/graphics_drm.cpp | 14 | ||||
| -rw-r--r-- | minui/graphics_fbdev.cpp | 2 | ||||
| -rw-r--r-- | minui/include/minui/minui.h | 15 |
4 files changed, 52 insertions, 14 deletions
diff --git a/minui/graphics.cpp b/minui/graphics.cpp index dce1e619a..f25694ab5 100644 --- a/minui/graphics.cpp +++ b/minui/graphics.cpp @@ -42,6 +42,9 @@ static constexpr uint32_t alpha_mask = 0xff000000; static GRSurface* gr_draw = nullptr; static GRRotation rotation = GRRotation::NONE; static PixelFormat pixel_format = PixelFormat::UNKNOWN; +// The graphics backend list that provides fallback options for the default backend selection. +// For example, it will fist try DRM, then try FBDEV if DRM is unavailable. +constexpr auto default_backends = { GraphicsBackend::DRM, GraphicsBackend::FBDEV }; static bool outside(int x, int y) { auto swapped = (rotation == GRRotation::LEFT || rotation == GRRotation::RIGHT); @@ -340,7 +343,22 @@ void gr_flip() { gr_draw = gr_backend->Flip(); } +std::unique_ptr<MinuiBackend> create_backend(GraphicsBackend backend) { + switch (backend) { + case GraphicsBackend::DRM: + return std::make_unique<MinuiBackendDrm>(); + case GraphicsBackend::FBDEV: + return std::make_unique<MinuiBackendFbdev>(); + default: + return nullptr; + } +} + int gr_init() { + return gr_init(default_backends); +} + +int gr_init(std::initializer_list<GraphicsBackend> backends) { // pixel_format needs to be set before loading any resources or initializing backends. std::string format = android::base::GetProperty("ro.minui.pixel_format", ""); if (format == "ABGR_8888") { @@ -361,19 +379,22 @@ int gr_init() { ret); } - auto backend = std::unique_ptr<MinuiBackend>{ std::make_unique<MinuiBackendDrm>() }; - gr_draw = backend->Init(); - - if (!gr_draw) { - backend = std::make_unique<MinuiBackendFbdev>(); - gr_draw = backend->Init(); + std::unique_ptr<MinuiBackend> minui_backend; + for (GraphicsBackend backend : backends) { + minui_backend = create_backend(backend); + if (!minui_backend) { + printf("gr_init: minui_backend %d is a nullptr\n", backend); + continue; + } + gr_draw = minui_backend->Init(); + if (gr_draw) break; } if (!gr_draw) { return -1; } - gr_backend = backend.release(); + gr_backend = minui_backend.release(); int overscan_percent = android::base::GetIntProperty("ro.minui.overscan_percent", 0); overscan_offset_x = gr_draw->width * overscan_percent / 100; diff --git a/minui/graphics_drm.cpp b/minui/graphics_drm.cpp index 95759e382..9d31ff7a9 100644 --- a/minui/graphics_drm.cpp +++ b/minui/graphics_drm.cpp @@ -105,6 +105,8 @@ std::unique_ptr<GRSurfaceDrm> GRSurfaceDrm::Create(int drm_fd, int width, int he perror("Failed to DRM_IOCTL_MODE_CREATE_DUMB"); return nullptr; } + printf("Allocating buffer with resolution %d x %d pitch: %d bpp: %d, size: %llu\n", width, height, + create_dumb.pitch, create_dumb.bpp, create_dumb.size); // Cannot use std::make_unique to access non-public ctor. auto surface = std::unique_ptr<GRSurfaceDrm>(new GRSurfaceDrm( @@ -128,13 +130,14 @@ std::unique_ptr<GRSurfaceDrm> GRSurfaceDrm::Create(int drm_fd, int width, int he return nullptr; } - auto mmapped = mmap(nullptr, surface->height * surface->row_bytes, PROT_READ | PROT_WRITE, - MAP_SHARED, drm_fd, map_dumb.offset); + auto mmapped = + mmap(nullptr, create_dumb.size, PROT_READ | PROT_WRITE, MAP_SHARED, drm_fd, map_dumb.offset); if (mmapped == MAP_FAILED) { perror("Failed to mmap()"); return nullptr; } surface->mmapped_buffer_ = static_cast<uint8_t*>(mmapped); + printf("Framebuffer of size %llu allocated @ %p\n", create_dumb.size, surface->mmapped_buffer_); return surface; } @@ -260,9 +263,16 @@ drmModeConnector* MinuiBackendDrm::FindMainMonitor(int fd, drmModeRes* resources /* If we still didn't find a connector, give up and return. */ if (!main_monitor_connector) return nullptr; + for (int modes = 0; modes < main_monitor_connector->count_modes; modes++) { + printf("Display Mode %d resolution: %d x %d @ %d FPS\n", modes, + main_monitor_connector->modes[modes].hdisplay, + main_monitor_connector->modes[modes].vdisplay, + main_monitor_connector->modes[modes].vrefresh); + } *mode_index = 0; for (int modes = 0; modes < main_monitor_connector->count_modes; modes++) { if (main_monitor_connector->modes[modes].type & DRM_MODE_TYPE_PREFERRED) { + printf("Choosing display mode #%d\n", modes); *mode_index = modes; break; } diff --git a/minui/graphics_fbdev.cpp b/minui/graphics_fbdev.cpp index 2584017d6..0d0fabce6 100644 --- a/minui/graphics_fbdev.cpp +++ b/minui/graphics_fbdev.cpp @@ -131,8 +131,6 @@ GRSurface* MinuiBackendFbdev::Init() { SetDisplayedFramebuffer(0); printf("framebuffer: %d (%zu x %zu)\n", fb_fd.get(), gr_draw->width, gr_draw->height); - - Blank(true); Blank(false); return gr_draw; diff --git a/minui/include/minui/minui.h b/minui/include/minui/minui.h index 163e41dc6..5470457e7 100644 --- a/minui/include/minui/minui.h +++ b/minui/include/minui/minui.h @@ -104,10 +104,19 @@ enum class PixelFormat : int { ARGB = 4, }; -// Initializes the graphics backend and loads font file. Returns 0 on success, or -1 on error. Note -// that the font initialization failure would be non-fatal, as caller may not need to draw any text -// at all. Caller can check the font initialization result via gr_sys_font() as needed. +enum class GraphicsBackend : int { + UNKNOWN = 0, + DRM = 1, + FBDEV = 2, +}; + +// Initializes the default graphics backend and loads font file. Returns 0 on success, or -1 on +// error. Note that the font initialization failure would be non-fatal, as caller may not need to +// draw any text at all. Caller can check the font initialization result via gr_sys_font() as +// needed. int gr_init(); +// Supports backend selection for minui client. +int gr_init(std::initializer_list<GraphicsBackend> backends); // Frees the allocated resources. The function is idempotent, and safe to be called if gr_init() // didn't finish successfully. |