diff options
Diffstat (limited to '')
-rw-r--r-- | minui/graphics_adf.cpp | 89 |
1 files changed, 44 insertions, 45 deletions
diff --git a/minui/graphics_adf.cpp b/minui/graphics_adf.cpp index 6fc193f74..9eea497d6 100644 --- a/minui/graphics_adf.cpp +++ b/minui/graphics_adf.cpp @@ -20,6 +20,7 @@ #include <fcntl.h> #include <stdio.h> #include <stdlib.h> +#include <string.h> #include <sys/mman.h> #include <unistd.h> @@ -28,51 +29,60 @@ #include "minui/minui.h" -MinuiBackendAdf::MinuiBackendAdf() - : intf_fd(-1), dev(), current_surface(0), n_surfaces(0), surfaces() {} +GRSurfaceAdf::~GRSurfaceAdf() { + if (mmapped_buffer_) { + munmap(mmapped_buffer_, pitch * height); + } + if (fence_fd != -1) { + close(fence_fd); + } + if (fd != -1) { + close(fd); + } +} -int MinuiBackendAdf::SurfaceInit(const drm_mode_modeinfo* mode, GRSurfaceAdf* surf) { - *surf = {}; - surf->fence_fd = -1; - surf->fd = adf_interface_simple_buffer_alloc(intf_fd, mode->hdisplay, mode->vdisplay, format, - &surf->offset, &surf->pitch); - if (surf->fd < 0) { - return surf->fd; +std::unique_ptr<GRSurfaceAdf> GRSurfaceAdf::Create(int intf_fd, const drm_mode_modeinfo* mode, + __u32 format, int* err) { + __u32 offset; + __u32 pitch; + auto fd = adf_interface_simple_buffer_alloc(intf_fd, mode->hdisplay, mode->vdisplay, format, + &offset, &pitch); + + if (fd < 0) { + *err = fd; + return nullptr; } - surf->width = mode->hdisplay; - surf->height = mode->vdisplay; - surf->row_bytes = surf->pitch; - surf->pixel_bytes = (format == DRM_FORMAT_RGB565) ? 2 : 4; + std::unique_ptr<GRSurfaceAdf> surf = std::unique_ptr<GRSurfaceAdf>( + new GRSurfaceAdf(mode->hdisplay, mode->vdisplay, pitch, (format == DRM_FORMAT_RGB565 ? 2 : 4), + offset, pitch, fd)); auto mmapped = mmap(nullptr, surf->pitch * surf->height, PROT_WRITE, MAP_SHARED, surf->fd, surf->offset); if (mmapped == MAP_FAILED) { - int saved_errno = errno; - close(surf->fd); - return -saved_errno; + *err = -errno; + return nullptr; } surf->mmapped_buffer_ = static_cast<uint8_t*>(mmapped); - return 0; + return surf; } +MinuiBackendAdf::MinuiBackendAdf() : intf_fd(-1), dev(), current_surface(0), n_surfaces(0) {} + int MinuiBackendAdf::InterfaceInit() { adf_interface_data intf_data; - int err = adf_get_interface_data(intf_fd, &intf_data); - if (err < 0) return err; + if (int err = adf_get_interface_data(intf_fd, &intf_data); err < 0) return err; - int ret = 0; - err = SurfaceInit(&intf_data.current_mode, &surfaces[0]); - if (err < 0) { - fprintf(stderr, "allocating surface 0 failed: %s\n", strerror(-err)); - ret = err; + int result = 0; + surfaces[0] = GRSurfaceAdf::Create(intf_fd, &intf_data.current_mode, format, &result); + if (!surfaces[0]) { + fprintf(stderr, "Failed to allocate surface 0: %s\n", strerror(-result)); goto done; } - err = SurfaceInit(&intf_data.current_mode, &surfaces[1]); - if (err < 0) { - fprintf(stderr, "allocating surface 1 failed: %s\n", strerror(-err)); - surfaces[1] = {}; + surfaces[1] = GRSurfaceAdf::Create(intf_fd, &intf_data.current_mode, format, &result); + if (!surfaces[1]) { + fprintf(stderr, "Failed to allocate surface 1: %s\n", strerror(-result)); n_surfaces = 1; } else { n_surfaces = 2; @@ -80,7 +90,7 @@ int MinuiBackendAdf::InterfaceInit() { done: adf_free_interface_data(&intf_data); - return ret; + return result; } int MinuiBackendAdf::DeviceInit(adf_device* dev) { @@ -153,12 +163,12 @@ GRSurface* MinuiBackendAdf::Init() { } void MinuiBackendAdf::Sync(GRSurfaceAdf* surf) { - static constexpr unsigned int warningTimeout = 3000; + static constexpr unsigned int kWarningTimeout = 3000; if (surf == nullptr) return; if (surf->fence_fd >= 0) { - int err = sync_wait(surf->fence_fd, warningTimeout); + int err = sync_wait(surf->fence_fd, kWarningTimeout); if (err < 0) { perror("adf sync fence wait error\n"); } @@ -169,33 +179,22 @@ void MinuiBackendAdf::Sync(GRSurfaceAdf* surf) { } GRSurface* MinuiBackendAdf::Flip() { - GRSurfaceAdf* surf = &surfaces[current_surface]; + const auto& surf = surfaces[current_surface]; int fence_fd = adf_interface_simple_post(intf_fd, eng_id, surf->width, surf->height, format, surf->fd, surf->offset, surf->pitch, -1); if (fence_fd >= 0) surf->fence_fd = fence_fd; current_surface = (current_surface + 1) % n_surfaces; - Sync(&surfaces[current_surface]); - return &surfaces[current_surface]; + Sync(surfaces[current_surface].get()); + return surfaces[current_surface].get(); } void MinuiBackendAdf::Blank(bool blank) { adf_interface_blank(intf_fd, blank ? DRM_MODE_DPMS_OFF : DRM_MODE_DPMS_ON); } -void MinuiBackendAdf::SurfaceDestroy(GRSurfaceAdf* surf) { - if (surf->mmapped_buffer_) { - munmap(surf->mmapped_buffer_, surf->pitch * surf->height); - } - close(surf->fence_fd); - close(surf->fd); -} - MinuiBackendAdf::~MinuiBackendAdf() { adf_device_close(&dev); - for (unsigned int i = 0; i < n_surfaces; i++) { - SurfaceDestroy(&surfaces[i]); - } if (intf_fd >= 0) close(intf_fd); } |