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-rw-r--r--minui/graphics.cpp78
-rw-r--r--minui/graphics.h29
-rw-r--r--minui/graphics_adf.cpp162
-rw-r--r--minui/graphics_adf.h58
-rw-r--r--minui/graphics_drm.cpp124
-rw-r--r--minui/graphics_drm.h58
-rw-r--r--minui/graphics_fbdev.cpp51
-rw-r--r--minui/graphics_fbdev.h44
8 files changed, 333 insertions, 271 deletions
diff --git a/minui/graphics.cpp b/minui/graphics.cpp
index 41e24f13f..3bfce11d8 100644
--- a/minui/graphics.cpp
+++ b/minui/graphics.cpp
@@ -20,11 +20,16 @@
#include <stdlib.h>
#include <string.h>
+#include <memory>
+
#include "font_10x18.h"
+#include "graphics_adf.h"
+#include "graphics_drm.h"
+#include "graphics_fbdev.h"
#include "minui/minui.h"
static GRFont* gr_font = NULL;
-static minui_backend* gr_backend = NULL;
+static MinuiBackend* gr_backend = nullptr;
static int overscan_percent = OVERSCAN_PERCENT;
static int overscan_offset_x = 0;
@@ -308,59 +313,52 @@ static void gr_init_font(void)
}
void gr_flip() {
- gr_draw = gr_backend->flip(gr_backend);
+ gr_draw = gr_backend->Flip();
}
-int gr_init(void)
-{
- gr_init_font();
+int gr_init() {
+ gr_init_font();
- gr_backend = open_adf();
- if (gr_backend) {
- gr_draw = gr_backend->init(gr_backend);
- if (!gr_draw) {
- gr_backend->exit(gr_backend);
- }
- }
+ auto backend = std::unique_ptr<MinuiBackend>{ std::make_unique<MinuiBackendAdf>() };
+ gr_draw = backend->Init();
- if (!gr_draw) {
- gr_backend = open_drm();
- gr_draw = gr_backend->init(gr_backend);
- }
+ if (!gr_draw) {
+ backend = std::make_unique<MinuiBackendDrm>();
+ gr_draw = backend->Init();
+ }
- if (!gr_draw) {
- gr_backend = open_fbdev();
- gr_draw = gr_backend->init(gr_backend);
- if (gr_draw == NULL) {
- return -1;
- }
- }
+ if (!gr_draw) {
+ backend = std::make_unique<MinuiBackendFbdev>();
+ gr_draw = backend->Init();
+ }
- overscan_offset_x = gr_draw->width * overscan_percent / 100;
- overscan_offset_y = gr_draw->height * overscan_percent / 100;
+ if (!gr_draw) {
+ return -1;
+ }
- gr_flip();
- gr_flip();
+ gr_backend = backend.release();
- return 0;
+ overscan_offset_x = gr_draw->width * overscan_percent / 100;
+ overscan_offset_y = gr_draw->height * overscan_percent / 100;
+
+ gr_flip();
+ gr_flip();
+
+ return 0;
}
-void gr_exit(void)
-{
- gr_backend->exit(gr_backend);
+void gr_exit() {
+ delete gr_backend;
}
-int gr_fb_width(void)
-{
- return gr_draw->width - 2*overscan_offset_x;
+int gr_fb_width() {
+ return gr_draw->width - 2 * overscan_offset_x;
}
-int gr_fb_height(void)
-{
- return gr_draw->height - 2*overscan_offset_y;
+int gr_fb_height() {
+ return gr_draw->height - 2 * overscan_offset_y;
}
-void gr_fb_blank(bool blank)
-{
- gr_backend->blank(gr_backend, blank);
+void gr_fb_blank(bool blank) {
+ gr_backend->Blank(blank);
}
diff --git a/minui/graphics.h b/minui/graphics.h
index 1eaafc75a..3c45a406b 100644
--- a/minui/graphics.h
+++ b/minui/graphics.h
@@ -19,25 +19,20 @@
#include "minui/minui.h"
-// TODO: lose the function pointers.
-struct minui_backend {
- // Initializes the backend and returns a GRSurface* to draw into.
- GRSurface* (*init)(minui_backend*);
+class MinuiBackend {
+ public:
+ // Initializes the backend and returns a GRSurface* to draw into.
+ virtual GRSurface* Init() = 0;
- // Causes the current drawing surface (returned by the most recent
- // call to flip() or init()) to be displayed, and returns a new
- // drawing surface.
- GRSurface* (*flip)(minui_backend*);
+ // Causes the current drawing surface (returned by the most recent call to Flip() or Init()) to
+ // be displayed, and returns a new drawing surface.
+ virtual GRSurface* Flip() = 0;
- // Blank (or unblank) the screen.
- void (*blank)(minui_backend*, bool);
+ // Blank (or unblank) the screen.
+ virtual void Blank(bool) = 0;
- // Device cleanup when drawing is done.
- void (*exit)(minui_backend*);
+ // Device cleanup when drawing is done.
+ virtual ~MinuiBackend() {};
};
-minui_backend* open_fbdev();
-minui_backend* open_adf();
-minui_backend* open_drm();
-
-#endif
+#endif // _GRAPHICS_H_
diff --git a/minui/graphics_adf.cpp b/minui/graphics_adf.cpp
index 9ab0b06bf..1b15a04fb 100644
--- a/minui/graphics_adf.cpp
+++ b/minui/graphics_adf.cpp
@@ -14,6 +14,8 @@
* limitations under the License.
*/
+#include "graphics_adf.h"
+
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
@@ -24,49 +26,27 @@
#include <adf/adf.h>
#include <sync/sync.h>
-#include "graphics.h"
-
-struct adf_surface_pdata {
- GRSurface base;
- int fence_fd;
- int fd;
- __u32 offset;
- __u32 pitch;
-};
-
-struct adf_pdata {
- minui_backend base;
- int intf_fd;
- adf_id_t eng_id;
- __u32 format;
+#include "minui/minui.h"
- adf_device dev;
+MinuiBackendAdf::MinuiBackendAdf() : intf_fd(-1), dev(), n_surfaces(0), surfaces() {}
- unsigned int current_surface;
- unsigned int n_surfaces;
- adf_surface_pdata surfaces[2];
-};
-
-static GRSurface* adf_flip(minui_backend* backend);
-static void adf_blank(minui_backend* backend, bool blank);
-
-static int adf_surface_init(adf_pdata* pdata, drm_mode_modeinfo* mode, adf_surface_pdata* surf) {
+int MinuiBackendAdf::SurfaceInit(const drm_mode_modeinfo* mode, GRSurfaceAdf* surf) {
*surf = {};
surf->fence_fd = -1;
- surf->fd = adf_interface_simple_buffer_alloc(pdata->intf_fd, mode->hdisplay, mode->vdisplay,
- pdata->format, &surf->offset, &surf->pitch);
+ 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;
}
- surf->base.width = mode->hdisplay;
- surf->base.height = mode->vdisplay;
- surf->base.row_bytes = surf->pitch;
- surf->base.pixel_bytes = (pdata->format == DRM_FORMAT_RGB565) ? 2 : 4;
+ surf->width = mode->hdisplay;
+ surf->height = mode->vdisplay;
+ surf->row_bytes = surf->pitch;
+ surf->pixel_bytes = (format == DRM_FORMAT_RGB565) ? 2 : 4;
- surf->base.data = static_cast<uint8_t*>(mmap(nullptr, surf->pitch * surf->base.height, PROT_WRITE,
- MAP_SHARED, surf->fd, surf->offset));
- if (surf->base.data == MAP_FAILED) {
+ surf->data = static_cast<uint8_t*>(
+ mmap(nullptr, surf->pitch * surf->height, PROT_WRITE, MAP_SHARED, surf->fd, surf->offset));
+ if (surf->data == MAP_FAILED) {
int saved_errno = errno;
close(surf->fd);
return -saved_errno;
@@ -75,26 +55,26 @@ static int adf_surface_init(adf_pdata* pdata, drm_mode_modeinfo* mode, adf_surfa
return 0;
}
-static int adf_interface_init(adf_pdata* pdata) {
+int MinuiBackendAdf::InterfaceInit() {
adf_interface_data intf_data;
- int err = adf_get_interface_data(pdata->intf_fd, &intf_data);
+ int err = adf_get_interface_data(intf_fd, &intf_data);
if (err < 0) return err;
int ret = 0;
- err = adf_surface_init(pdata, &intf_data.current_mode, &pdata->surfaces[0]);
+ err = SurfaceInit(&intf_data.current_mode, &surfaces[0]);
if (err < 0) {
fprintf(stderr, "allocating surface 0 failed: %s\n", strerror(-err));
ret = err;
goto done;
}
- err = adf_surface_init(pdata, &intf_data.current_mode, &pdata->surfaces[1]);
+ err = SurfaceInit(&intf_data.current_mode, &surfaces[1]);
if (err < 0) {
fprintf(stderr, "allocating surface 1 failed: %s\n", strerror(-err));
- pdata->surfaces[1] = {};
- pdata->n_surfaces = 1;
+ surfaces[1] = {};
+ n_surfaces = 1;
} else {
- pdata->n_surfaces = 2;
+ n_surfaces = 2;
}
done:
@@ -102,37 +82,35 @@ done:
return ret;
}
-static int adf_device_init(adf_pdata* pdata, adf_device* dev) {
+int MinuiBackendAdf::DeviceInit(adf_device* dev) {
adf_id_t intf_id;
- int err = adf_find_simple_post_configuration(dev, &pdata->format, 1, &intf_id, &pdata->eng_id);
+ int err = adf_find_simple_post_configuration(dev, &format, 1, &intf_id, &eng_id);
if (err < 0) return err;
- err = adf_device_attach(dev, pdata->eng_id, intf_id);
+ err = adf_device_attach(dev, eng_id, intf_id);
if (err < 0 && err != -EALREADY) return err;
- pdata->intf_fd = adf_interface_open(dev, intf_id, O_RDWR);
- if (pdata->intf_fd < 0) return pdata->intf_fd;
+ intf_fd = adf_interface_open(dev, intf_id, O_RDWR);
+ if (intf_fd < 0) return intf_fd;
- err = adf_interface_init(pdata);
+ err = InterfaceInit();
if (err < 0) {
- close(pdata->intf_fd);
- pdata->intf_fd = -1;
+ close(intf_fd);
+ intf_fd = -1;
}
return err;
}
-static GRSurface* adf_init(minui_backend* backend) {
- adf_pdata* pdata = reinterpret_cast<adf_pdata*>(backend);
-
+GRSurface* MinuiBackendAdf::Init() {
#if defined(RECOVERY_ABGR)
- pdata->format = DRM_FORMAT_ABGR8888;
+ format = DRM_FORMAT_ABGR8888;
#elif defined(RECOVERY_BGRA)
- pdata->format = DRM_FORMAT_BGRA8888;
+ format = DRM_FORMAT_BGRA8888;
#elif defined(RECOVERY_RGBX)
- pdata->format = DRM_FORMAT_RGBX8888;
+ format = DRM_FORMAT_RGBX8888;
#else
- pdata->format = DRM_FORMAT_RGB565;
+ format = DRM_FORMAT_RGB565;
#endif
adf_id_t* dev_ids = nullptr;
@@ -144,35 +122,35 @@ static GRSurface* adf_init(minui_backend* backend) {
return nullptr;
}
- pdata->intf_fd = -1;
+ intf_fd = -1;
- for (ssize_t i = 0; i < n_dev_ids && pdata->intf_fd < 0; i++) {
- int err = adf_device_open(dev_ids[i], O_RDWR, &pdata->dev);
+ for (ssize_t i = 0; i < n_dev_ids && intf_fd < 0; i++) {
+ int err = adf_device_open(dev_ids[i], O_RDWR, &dev);
if (err < 0) {
fprintf(stderr, "opening adf device %u failed: %s\n", dev_ids[i], strerror(-err));
continue;
}
- err = adf_device_init(pdata, &pdata->dev);
+ err = DeviceInit(&dev);
if (err < 0) {
fprintf(stderr, "initializing adf device %u failed: %s\n", dev_ids[i], strerror(-err));
- adf_device_close(&pdata->dev);
+ adf_device_close(&dev);
}
}
free(dev_ids);
- if (pdata->intf_fd < 0) return nullptr;
+ if (intf_fd < 0) return nullptr;
- GRSurface* ret = adf_flip(backend);
+ GRSurface* ret = Flip();
- adf_blank(backend, true);
- adf_blank(backend, false);
+ Blank(true);
+ Blank(false);
return ret;
}
-static void adf_sync(adf_surface_pdata* surf) {
+void MinuiBackendAdf::Sync(GRSurfaceAdf* surf) {
static constexpr unsigned int warningTimeout = 3000;
if (surf == nullptr) return;
@@ -188,52 +166,32 @@ static void adf_sync(adf_surface_pdata* surf) {
}
}
-static GRSurface* adf_flip(minui_backend* backend) {
- adf_pdata* pdata = reinterpret_cast<adf_pdata*>(backend);
- adf_surface_pdata* surf = &pdata->surfaces[pdata->current_surface];
+GRSurface* MinuiBackendAdf::Flip() {
+ GRSurfaceAdf* surf = &surfaces[current_surface];
- int fence_fd =
- adf_interface_simple_post(pdata->intf_fd, pdata->eng_id, surf->base.width, surf->base.height,
- pdata->format, surf->fd, surf->offset, surf->pitch, -1);
+ 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;
- pdata->current_surface = (pdata->current_surface + 1) % pdata->n_surfaces;
- adf_sync(&pdata->surfaces[pdata->current_surface]);
- return &pdata->surfaces[pdata->current_surface].base;
+ current_surface = (current_surface + 1) % n_surfaces;
+ Sync(&surfaces[current_surface]);
+ return &surfaces[current_surface];
}
-static void adf_blank(minui_backend* backend, bool blank) {
- adf_pdata* pdata = reinterpret_cast<adf_pdata*>(backend);
- adf_interface_blank(pdata->intf_fd, blank ? DRM_MODE_DPMS_OFF : DRM_MODE_DPMS_ON);
+void MinuiBackendAdf::Blank(bool blank) {
+ adf_interface_blank(intf_fd, blank ? DRM_MODE_DPMS_OFF : DRM_MODE_DPMS_ON);
}
-static void adf_surface_destroy(adf_surface_pdata* surf) {
- munmap(surf->base.data, surf->pitch * surf->base.height);
+void MinuiBackendAdf::SurfaceDestroy(GRSurfaceAdf* surf) {
+ munmap(surf->data, surf->pitch * surf->height);
close(surf->fence_fd);
close(surf->fd);
}
-static void adf_exit(minui_backend* backend) {
- adf_pdata* pdata = reinterpret_cast<adf_pdata*>(backend);
- adf_device_close(&pdata->dev);
- for (unsigned int i = 0; i < pdata->n_surfaces; i++) {
- adf_surface_destroy(&pdata->surfaces[i]);
+MinuiBackendAdf::~MinuiBackendAdf() {
+ adf_device_close(&dev);
+ for (unsigned int i = 0; i < n_surfaces; i++) {
+ SurfaceDestroy(&surfaces[i]);
}
- if (pdata->intf_fd >= 0) close(pdata->intf_fd);
- free(pdata);
-}
-
-minui_backend* open_adf() {
- adf_pdata* pdata = static_cast<adf_pdata*>(calloc(1, sizeof(*pdata)));
- if (!pdata) {
- perror("allocating adf backend failed");
- return nullptr;
- }
-
- pdata->base.init = adf_init;
- pdata->base.flip = adf_flip;
- pdata->base.blank = adf_blank;
- pdata->base.exit = adf_exit;
-
- return &pdata->base;
+ if (intf_fd >= 0) close(intf_fd);
}
diff --git a/minui/graphics_adf.h b/minui/graphics_adf.h
new file mode 100644
index 000000000..2f019ed0b
--- /dev/null
+++ b/minui/graphics_adf.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _GRAPHICS_ADF_H_
+#define _GRAPHICS_ADF_H_
+
+#include <adf/adf.h>
+
+#include "graphics.h"
+
+class GRSurfaceAdf : public GRSurface {
+ private:
+ int fence_fd;
+ int fd;
+ __u32 offset;
+ __u32 pitch;
+
+ friend class MinuiBackendAdf;
+};
+
+class MinuiBackendAdf : public MinuiBackend {
+ public:
+ GRSurface* Init() override;
+ GRSurface* Flip() override;
+ void Blank(bool) override;
+ ~MinuiBackendAdf() override;
+ MinuiBackendAdf();
+
+ private:
+ int SurfaceInit(const drm_mode_modeinfo* mode, GRSurfaceAdf* surf);
+ int InterfaceInit();
+ int DeviceInit(adf_device* dev);
+ void SurfaceDestroy(GRSurfaceAdf* surf);
+ void Sync(GRSurfaceAdf* surf);
+
+ int intf_fd;
+ adf_id_t eng_id;
+ __u32 format;
+ adf_device dev;
+ unsigned int current_surface;
+ unsigned int n_surfaces;
+ GRSurfaceAdf surfaces[2];
+};
+
+#endif // _GRAPHICS_ADF_H_
diff --git a/minui/graphics_drm.cpp b/minui/graphics_drm.cpp
index 2eeff5800..e7d4b38ef 100644
--- a/minui/graphics_drm.cpp
+++ b/minui/graphics_drm.cpp
@@ -14,6 +14,8 @@
* limitations under the License.
*/
+#include "graphics_drm.h"
+
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
@@ -26,25 +28,13 @@
#include <xf86drmMode.h>
#include "minui/minui.h"
-#include "graphics.h"
#define ARRAY_SIZE(A) (sizeof(A)/sizeof(*(A)))
-struct drm_surface {
- GRSurface base;
- uint32_t fb_id;
- uint32_t handle;
-};
-
-static drm_surface *drm_surfaces[2];
-static int current_buffer;
-
-static drmModeCrtc *main_monitor_crtc;
-static drmModeConnector *main_monitor_connector;
+MinuiBackendDrm::MinuiBackendDrm()
+ : GRSurfaceDrms(), main_monitor_crtc(nullptr), main_monitor_connector(nullptr), drm_fd(-1) {}
-static int drm_fd = -1;
-
-static void drm_disable_crtc(int drm_fd, drmModeCrtc *crtc) {
+void MinuiBackendDrm::DrmDisableCrtc(int drm_fd, drmModeCrtc* crtc) {
if (crtc) {
drmModeSetCrtc(drm_fd, crtc->crtc_id,
0, // fb_id
@@ -55,7 +45,7 @@ static void drm_disable_crtc(int drm_fd, drmModeCrtc *crtc) {
}
}
-static void drm_enable_crtc(int drm_fd, drmModeCrtc* crtc, struct drm_surface* surface) {
+void MinuiBackendDrm::DrmEnableCrtc(int drm_fd, drmModeCrtc* crtc, GRSurfaceDrm* surface) {
int32_t ret = drmModeSetCrtc(drm_fd, crtc->crtc_id, surface->fb_id, 0, 0, // x,y
&main_monitor_connector->connector_id,
1, // connector_count
@@ -66,19 +56,19 @@ static void drm_enable_crtc(int drm_fd, drmModeCrtc* crtc, struct drm_surface* s
}
}
-static void drm_blank(minui_backend* backend __unused, bool blank) {
+void MinuiBackendDrm::Blank(bool blank) {
if (blank) {
- drm_disable_crtc(drm_fd, main_monitor_crtc);
+ DrmDisableCrtc(drm_fd, main_monitor_crtc);
} else {
- drm_enable_crtc(drm_fd, main_monitor_crtc, drm_surfaces[current_buffer]);
+ DrmEnableCrtc(drm_fd, main_monitor_crtc, GRSurfaceDrms[current_buffer]);
}
}
-static void drm_destroy_surface(struct drm_surface *surface) {
+void MinuiBackendDrm::DrmDestroySurface(GRSurfaceDrm* surface) {
if (!surface) return;
- if (surface->base.data) {
- munmap(surface->base.data, surface->base.row_bytes * surface->base.height);
+ if (surface->data) {
+ munmap(surface->data, surface->row_bytes * surface->height);
}
if (surface->fb_id) {
@@ -98,7 +88,7 @@ static void drm_destroy_surface(struct drm_surface *surface) {
}
}
- free(surface);
+ delete surface;
}
static int drm_format_to_bpp(uint32_t format) {
@@ -118,12 +108,9 @@ static int drm_format_to_bpp(uint32_t format) {
}
}
-static drm_surface *drm_create_surface(int width, int height) {
- drm_surface* surface = static_cast<drm_surface*>(calloc(1, sizeof(*surface)));
- if (!surface) {
- printf("Can't allocate memory\n");
- return nullptr;
- }
+GRSurfaceDrm* MinuiBackendDrm::DrmCreateSurface(int width, int height) {
+ GRSurfaceDrm* surface = new GRSurfaceDrm;
+ *surface = {};
uint32_t format;
#if defined(RECOVERY_ABGR)
@@ -145,7 +132,7 @@ static drm_surface *drm_create_surface(int width, int height) {
int ret = drmIoctl(drm_fd, DRM_IOCTL_MODE_CREATE_DUMB, &create_dumb);
if (ret) {
printf("DRM_IOCTL_MODE_CREATE_DUMB failed ret=%d\n", ret);
- drm_destroy_surface(surface);
+ DrmDestroySurface(surface);
return nullptr;
}
surface->handle = create_dumb.handle;
@@ -160,7 +147,7 @@ static drm_surface *drm_create_surface(int width, int height) {
drmModeAddFB2(drm_fd, width, height, format, handles, pitches, offsets, &(surface->fb_id), 0);
if (ret) {
printf("drmModeAddFB2 failed ret=%d\n", ret);
- drm_destroy_surface(surface);
+ DrmDestroySurface(surface);
return nullptr;
}
@@ -169,20 +156,20 @@ static drm_surface *drm_create_surface(int width, int height) {
ret = drmIoctl(drm_fd, DRM_IOCTL_MODE_MAP_DUMB, &map_dumb);
if (ret) {
printf("DRM_IOCTL_MODE_MAP_DUMB failed ret=%d\n", ret);
- drm_destroy_surface(surface);
+ DrmDestroySurface(surface);
return nullptr;
}
- surface->base.height = height;
- surface->base.width = width;
- surface->base.row_bytes = create_dumb.pitch;
- surface->base.pixel_bytes = create_dumb.bpp / 8;
- surface->base.data =
- static_cast<unsigned char*>(mmap(nullptr, surface->base.height * surface->base.row_bytes,
- PROT_READ | PROT_WRITE, MAP_SHARED, drm_fd, map_dumb.offset));
- if (surface->base.data == MAP_FAILED) {
+ surface->height = height;
+ surface->width = width;
+ surface->row_bytes = create_dumb.pitch;
+ surface->pixel_bytes = create_dumb.bpp / 8;
+ surface->data = static_cast<unsigned char*>(mmap(nullptr, surface->height * surface->row_bytes,
+ PROT_READ | PROT_WRITE, MAP_SHARED, drm_fd,
+ map_dumb.offset));
+ if (surface->data == MAP_FAILED) {
perror("mmap() failed");
- drm_destroy_surface(surface);
+ DrmDestroySurface(surface);
return nullptr;
}
@@ -256,7 +243,8 @@ static drmModeConnector* find_first_connected_connector(int fd, drmModeRes* reso
return nullptr;
}
-static drmModeConnector* find_main_monitor(int fd, drmModeRes* resources, uint32_t* mode_index) {
+drmModeConnector* MinuiBackendDrm::FindMainMonitor(int fd, drmModeRes* resources,
+ uint32_t* mode_index) {
/* Look for LVDS/eDP/DSI connectors. Those are the main screens. */
static constexpr unsigned kConnectorPriority[] = {
DRM_MODE_CONNECTOR_LVDS,
@@ -290,18 +278,18 @@ static drmModeConnector* find_main_monitor(int fd, drmModeRes* resources, uint32
return main_monitor_connector;
}
-static void disable_non_main_crtcs(int fd, drmModeRes* resources, drmModeCrtc* main_crtc) {
+void MinuiBackendDrm::DisableNonMainCrtcs(int fd, drmModeRes* resources, drmModeCrtc* main_crtc) {
for (int i = 0; i < resources->count_connectors; i++) {
drmModeConnector* connector = drmModeGetConnector(fd, resources->connectors[i]);
drmModeCrtc* crtc = find_crtc_for_connector(fd, resources, connector);
if (crtc->crtc_id != main_crtc->crtc_id) {
- drm_disable_crtc(fd, crtc);
+ DrmDisableCrtc(fd, crtc);
}
drmModeFreeCrtc(crtc);
}
}
-static GRSurface* drm_init(minui_backend* backend __unused) {
+GRSurface* MinuiBackendDrm::Init() {
drmModeRes* res = nullptr;
/* Consider DRM devices in order. */
@@ -344,7 +332,7 @@ static GRSurface* drm_init(minui_backend* backend __unused) {
}
uint32_t selected_mode;
- main_monitor_connector = find_main_monitor(drm_fd, res, &selected_mode);
+ main_monitor_connector = FindMainMonitor(drm_fd, res, &selected_mode);
if (!main_monitor_connector) {
printf("main_monitor_connector not found\n");
@@ -362,7 +350,7 @@ static GRSurface* drm_init(minui_backend* backend __unused) {
return nullptr;
}
- disable_non_main_crtcs(drm_fd, res, main_monitor_crtc);
+ DisableNonMainCrtcs(drm_fd, res, main_monitor_crtc);
main_monitor_crtc->mode = main_monitor_connector->modes[selected_mode];
@@ -371,51 +359,37 @@ static GRSurface* drm_init(minui_backend* backend __unused) {
drmModeFreeResources(res);
- drm_surfaces[0] = drm_create_surface(width, height);
- drm_surfaces[1] = drm_create_surface(width, height);
- if (!drm_surfaces[0] || !drm_surfaces[1]) {
- drm_destroy_surface(drm_surfaces[0]);
- drm_destroy_surface(drm_surfaces[1]);
- drmModeFreeResources(res);
- close(drm_fd);
+ GRSurfaceDrms[0] = DrmCreateSurface(width, height);
+ GRSurfaceDrms[1] = DrmCreateSurface(width, height);
+ if (!GRSurfaceDrms[0] || !GRSurfaceDrms[1]) {
+ // GRSurfaceDrms and drm_fd should be freed in d'tor.
return nullptr;
}
current_buffer = 0;
- drm_enable_crtc(drm_fd, main_monitor_crtc, drm_surfaces[1]);
+ DrmEnableCrtc(drm_fd, main_monitor_crtc, GRSurfaceDrms[1]);
- return &(drm_surfaces[0]->base);
+ return GRSurfaceDrms[0];
}
-static GRSurface* drm_flip(minui_backend* backend __unused) {
- int ret = drmModePageFlip(drm_fd, main_monitor_crtc->crtc_id, drm_surfaces[current_buffer]->fb_id,
- 0, nullptr);
+GRSurface* MinuiBackendDrm::Flip() {
+ int ret = drmModePageFlip(drm_fd, main_monitor_crtc->crtc_id,
+ GRSurfaceDrms[current_buffer]->fb_id, 0, nullptr);
if (ret < 0) {
printf("drmModePageFlip failed ret=%d\n", ret);
return nullptr;
}
current_buffer = 1 - current_buffer;
- return &(drm_surfaces[current_buffer]->base);
+ return GRSurfaceDrms[current_buffer];
}
-static void drm_exit(minui_backend* backend __unused) {
- drm_disable_crtc(drm_fd, main_monitor_crtc);
- drm_destroy_surface(drm_surfaces[0]);
- drm_destroy_surface(drm_surfaces[1]);
+MinuiBackendDrm::~MinuiBackendDrm() {
+ DrmDisableCrtc(drm_fd, main_monitor_crtc);
+ DrmDestroySurface(GRSurfaceDrms[0]);
+ DrmDestroySurface(GRSurfaceDrms[1]);
drmModeFreeCrtc(main_monitor_crtc);
drmModeFreeConnector(main_monitor_connector);
close(drm_fd);
drm_fd = -1;
}
-
-static minui_backend drm_backend = {
- .init = drm_init,
- .flip = drm_flip,
- .blank = drm_blank,
- .exit = drm_exit,
-};
-
-minui_backend* open_drm() {
- return &drm_backend;
-}
diff --git a/minui/graphics_drm.h b/minui/graphics_drm.h
new file mode 100644
index 000000000..de9621205
--- /dev/null
+++ b/minui/graphics_drm.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _GRAPHICS_DRM_H_
+#define _GRAPHICS_DRM_H_
+
+#include <stdint.h>
+
+#include <xf86drmMode.h>
+
+#include "graphics.h"
+#include "minui/minui.h"
+
+class GRSurfaceDrm : public GRSurface {
+ private:
+ uint32_t fb_id;
+ uint32_t handle;
+
+ friend class MinuiBackendDrm;
+};
+
+class MinuiBackendDrm : public MinuiBackend {
+ public:
+ GRSurface* Init() override;
+ GRSurface* Flip() override;
+ void Blank(bool) override;
+ ~MinuiBackendDrm() override;
+ MinuiBackendDrm();
+
+ private:
+ void DrmDisableCrtc(int drm_fd, drmModeCrtc* crtc);
+ void DrmEnableCrtc(int drm_fd, drmModeCrtc* crtc, GRSurfaceDrm* surface);
+ GRSurfaceDrm* DrmCreateSurface(int width, int height);
+ void DrmDestroySurface(GRSurfaceDrm* surface);
+ void DisableNonMainCrtcs(int fd, drmModeRes* resources, drmModeCrtc* main_crtc);
+ drmModeConnector* FindMainMonitor(int fd, drmModeRes* resources, uint32_t* mode_index);
+
+ GRSurfaceDrm* GRSurfaceDrms[2];
+ int current_buffer;
+ drmModeCrtc* main_monitor_crtc;
+ drmModeConnector* main_monitor_connector;
+ int drm_fd;
+};
+
+#endif // _GRAPHICS_DRM_H_
diff --git a/minui/graphics_fbdev.cpp b/minui/graphics_fbdev.cpp
index dd4c9d465..746f42aaa 100644
--- a/minui/graphics_fbdev.cpp
+++ b/minui/graphics_fbdev.cpp
@@ -14,6 +14,8 @@
* limitations under the License.
*/
+#include "graphics_fbdev.h"
+
#include <fcntl.h>
#include <linux/fb.h>
#include <stdio.h>
@@ -25,40 +27,15 @@
#include <unistd.h>
#include "minui/minui.h"
-#include "graphics.h"
-
-static GRSurface* fbdev_init(minui_backend*);
-static GRSurface* fbdev_flip(minui_backend*);
-static void fbdev_blank(minui_backend*, bool);
-static void fbdev_exit(minui_backend*);
-
-static GRSurface gr_framebuffer[2];
-static bool double_buffered;
-static GRSurface* gr_draw = nullptr;
-static int displayed_buffer;
-
-static fb_var_screeninfo vi;
-static int fb_fd = -1;
-
-static minui_backend my_backend = {
- .init = fbdev_init,
- .flip = fbdev_flip,
- .blank = fbdev_blank,
- .exit = fbdev_exit,
-};
-
-minui_backend* open_fbdev() {
- return &my_backend;
-}
-static void fbdev_blank(minui_backend* backend __unused, bool blank) {
+MinuiBackendFbdev::MinuiBackendFbdev() : gr_draw(nullptr), fb_fd(-1) {}
+
+void MinuiBackendFbdev::Blank(bool blank) {
int ret = ioctl(fb_fd, FBIOBLANK, blank ? FB_BLANK_POWERDOWN : FB_BLANK_UNBLANK);
- if (ret < 0) {
- perror("ioctl(): blank");
- }
+ if (ret < 0) perror("ioctl(): blank");
}
-static void set_displayed_framebuffer(unsigned n) {
+void MinuiBackendFbdev::SetDisplayedFramebuffer(unsigned n) {
if (n > 1 || !double_buffered) return;
vi.yres_virtual = gr_framebuffer[0].height * 2;
@@ -70,7 +47,7 @@ static void set_displayed_framebuffer(unsigned n) {
displayed_buffer = n;
}
-static GRSurface* fbdev_init(minui_backend* backend) {
+GRSurface* MinuiBackendFbdev::Init() {
int fd = open("/dev/graphics/fb0", O_RDWR);
if (fd == -1) {
perror("cannot open fb0");
@@ -154,23 +131,23 @@ static GRSurface* fbdev_init(minui_backend* backend) {
memset(gr_draw->data, 0, gr_draw->height * gr_draw->row_bytes);
fb_fd = fd;
- set_displayed_framebuffer(0);
+ SetDisplayedFramebuffer(0);
printf("framebuffer: %d (%d x %d)\n", fb_fd, gr_draw->width, gr_draw->height);
- fbdev_blank(backend, true);
- fbdev_blank(backend, false);
+ Blank(true);
+ Blank(false);
return gr_draw;
}
-static GRSurface* fbdev_flip(minui_backend* backend __unused) {
+GRSurface* MinuiBackendFbdev::Flip() {
if (double_buffered) {
// Change gr_draw to point to the buffer currently displayed,
// then flip the driver so we're displaying the other buffer
// instead.
gr_draw = gr_framebuffer + displayed_buffer;
- set_displayed_framebuffer(1 - displayed_buffer);
+ SetDisplayedFramebuffer(1 - displayed_buffer);
} else {
// Copy from the in-memory surface to the framebuffer.
memcpy(gr_framebuffer[0].data, gr_draw->data, gr_draw->height * gr_draw->row_bytes);
@@ -178,7 +155,7 @@ static GRSurface* fbdev_flip(minui_backend* backend __unused) {
return gr_draw;
}
-static void fbdev_exit(minui_backend* backend __unused) {
+MinuiBackendFbdev::~MinuiBackendFbdev() {
close(fb_fd);
fb_fd = -1;
diff --git a/minui/graphics_fbdev.h b/minui/graphics_fbdev.h
new file mode 100644
index 000000000..107e19567
--- /dev/null
+++ b/minui/graphics_fbdev.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _GRAPHICS_FBDEV_H_
+#define _GRAPHICS_FBDEV_H_
+
+#include <linux/fb.h>
+
+#include "graphics.h"
+#include "minui/minui.h"
+
+class MinuiBackendFbdev : public MinuiBackend {
+ public:
+ GRSurface* Init() override;
+ GRSurface* Flip() override;
+ void Blank(bool) override;
+ ~MinuiBackendFbdev() override;
+ MinuiBackendFbdev();
+
+ private:
+ void SetDisplayedFramebuffer(unsigned n);
+
+ GRSurface gr_framebuffer[2];
+ bool double_buffered;
+ GRSurface* gr_draw;
+ int displayed_buffer;
+ fb_var_screeninfo vi;
+ int fb_fd;
+};
+
+#endif // _GRAPHICS_FBDEV_H_
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-31 12:01:37 +0100