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authorTao Bao <tbao@google.com>2018-11-27 01:28:07 +0100
committerTao Bao <tbao@google.com>2018-11-27 07:46:19 +0100
commitdd78982d580aa61c39bfd13940140e5830f489b2 (patch)
tree6a59978781611cd0c24123b5705ceae9b46cf3c6 /minui
parentMerge "minui: Fix a wrong arg in calling GRSurface::Create()." (diff)
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Diffstat (limited to 'minui')
-rw-r--r--minui/graphics_adf.h5
-rw-r--r--minui/graphics_drm.h4
-rw-r--r--minui/graphics_fbdev.cpp6
-rw-r--r--minui/graphics_fbdev.h5
-rw-r--r--minui/include/minui/minui.h25
-rw-r--r--minui/resources.cpp22
6 files changed, 40 insertions, 27 deletions
diff --git a/minui/graphics_adf.h b/minui/graphics_adf.h
index bf9842878..79d8d2acb 100644
--- a/minui/graphics_adf.h
+++ b/minui/graphics_adf.h
@@ -16,6 +16,7 @@
#pragma once
+#include <stddef.h>
#include <stdint.h>
#include <sys/types.h>
@@ -40,8 +41,8 @@ class GRSurfaceAdf : public GRSurface {
private:
friend class MinuiBackendAdf;
- GRSurfaceAdf(int width, int height, int row_bytes, int pixel_bytes, __u32 offset, __u32 pitch,
- int fd)
+ GRSurfaceAdf(size_t width, size_t height, size_t row_bytes, size_t pixel_bytes, __u32 offset,
+ __u32 pitch, int fd)
: GRSurface(width, height, row_bytes, pixel_bytes), offset(offset), pitch(pitch), fd(fd) {}
const __u32 offset;
diff --git a/minui/graphics_drm.h b/minui/graphics_drm.h
index 6ba46e60b..57ba39b83 100644
--- a/minui/graphics_drm.h
+++ b/minui/graphics_drm.h
@@ -16,6 +16,7 @@
#pragma once
+#include <stddef.h>
#include <stdint.h>
#include <memory>
@@ -39,7 +40,8 @@ class GRSurfaceDrm : public GRSurface {
private:
friend class MinuiBackendDrm;
- GRSurfaceDrm(int width, int height, int row_bytes, int pixel_bytes, int drm_fd, uint32_t handle)
+ GRSurfaceDrm(size_t width, size_t height, size_t row_bytes, size_t pixel_bytes, int drm_fd,
+ uint32_t handle)
: GRSurface(width, height, row_bytes, pixel_bytes), drm_fd_(drm_fd), handle(handle) {}
const int drm_fd_;
diff --git a/minui/graphics_fbdev.cpp b/minui/graphics_fbdev.cpp
index 93e4420d3..8d9c9741d 100644
--- a/minui/graphics_fbdev.cpp
+++ b/minui/graphics_fbdev.cpp
@@ -32,8 +32,8 @@
#include "minui/minui.h"
-std::unique_ptr<GRSurfaceFbdev> GRSurfaceFbdev::Create(int width, int height, int row_bytes,
- int pixel_bytes) {
+std::unique_ptr<GRSurfaceFbdev> GRSurfaceFbdev::Create(size_t width, size_t height,
+ size_t row_bytes, size_t pixel_bytes) {
// Cannot use std::make_unique to access non-public ctor.
return std::unique_ptr<GRSurfaceFbdev>(new GRSurfaceFbdev(width, height, row_bytes, pixel_bytes));
}
@@ -130,7 +130,7 @@ GRSurface* MinuiBackendFbdev::Init() {
fb_fd = std::move(fd);
SetDisplayedFramebuffer(0);
- printf("framebuffer: %d (%d x %d)\n", fb_fd.get(), gr_draw->width, gr_draw->height);
+ printf("framebuffer: %d (%zu x %zu)\n", fb_fd.get(), gr_draw->width, gr_draw->height);
Blank(true);
Blank(false);
diff --git a/minui/graphics_fbdev.h b/minui/graphics_fbdev.h
index 016ab88bc..596ba74ea 100644
--- a/minui/graphics_fbdev.h
+++ b/minui/graphics_fbdev.h
@@ -17,6 +17,7 @@
#pragma once
#include <linux/fb.h>
+#include <stddef.h>
#include <stdint.h>
#include <memory>
@@ -30,8 +31,8 @@
class GRSurfaceFbdev : public GRSurface {
public:
// Creates and returns a GRSurfaceFbdev instance, or nullptr on error.
- static std::unique_ptr<GRSurfaceFbdev> Create(int width, int height, int row_bytes,
- int pixel_bytes);
+ static std::unique_ptr<GRSurfaceFbdev> Create(size_t width, size_t height, size_t row_bytes,
+ size_t pixel_bytes);
uint8_t* data() override {
return buffer_;
diff --git a/minui/include/minui/minui.h b/minui/include/minui/minui.h
index 3231248a0..e49c6ac97 100644
--- a/minui/include/minui/minui.h
+++ b/minui/include/minui/minui.h
@@ -33,13 +33,16 @@
class GRSurface {
public:
+ static constexpr size_t kSurfaceDataAlignment = 8;
+
virtual ~GRSurface() = default;
// Creates and returns a GRSurface instance that's sufficient for storing an image of the given
- // size. The starting address of the surface data is aligned to SURFACE_DATA_ALIGNMENT. Returns
- // the created GRSurface instance (in std::unique_ptr), or nullptr on error.
- static std::unique_ptr<GRSurface> Create(int width, int height, int row_bytes, int pixel_bytes,
- size_t data_size);
+ // size (i.e. row_bytes * height). The starting address of the surface data is aligned to
+ // kSurfaceDataAlignment. Returns the created GRSurface instance (in std::unique_ptr), or nullptr
+ // on error.
+ static std::unique_ptr<GRSurface> Create(size_t width, size_t height, size_t row_bytes,
+ size_t pixel_bytes);
// Clones the current GRSurface instance (i.e. an image).
std::unique_ptr<GRSurface> Clone() const;
@@ -52,13 +55,17 @@ class GRSurface {
return const_cast<const uint8_t*>(const_cast<GRSurface*>(this)->data());
}
- int width;
- int height;
- int row_bytes;
- int pixel_bytes;
+ size_t data_size() const {
+ return data_size_;
+ }
+
+ size_t width;
+ size_t height;
+ size_t row_bytes;
+ size_t pixel_bytes;
protected:
- GRSurface(int width, int height, int row_bytes, int pixel_bytes)
+ GRSurface(size_t width, size_t height, size_t row_bytes, size_t pixel_bytes)
: width(width), height(height), row_bytes(row_bytes), pixel_bytes(pixel_bytes) {}
private:
diff --git a/minui/resources.cpp b/minui/resources.cpp
index 057d3fd03..069a49529 100644
--- a/minui/resources.cpp
+++ b/minui/resources.cpp
@@ -27,6 +27,7 @@
#include <sys/types.h>
#include <unistd.h>
+#include <limits>
#include <memory>
#include <regex>
#include <string>
@@ -39,11 +40,14 @@
static std::string g_resource_dir{ "/res/images" };
-std::unique_ptr<GRSurface> GRSurface::Create(int width, int height, int row_bytes, int pixel_bytes,
- size_t data_size) {
- static constexpr size_t kSurfaceDataAlignment = 8;
+std::unique_ptr<GRSurface> GRSurface::Create(size_t width, size_t height, size_t row_bytes,
+ size_t pixel_bytes) {
+ if (width == 0 || row_bytes == 0 || height == 0 || pixel_bytes == 0) return nullptr;
+ if (std::numeric_limits<size_t>::max() / row_bytes < height) return nullptr;
+
// Cannot use std::make_unique to access non-public ctor.
auto result = std::unique_ptr<GRSurface>(new GRSurface(width, height, row_bytes, pixel_bytes));
+ size_t data_size = row_bytes * height;
result->data_size_ =
(data_size + kSurfaceDataAlignment - 1) / kSurfaceDataAlignment * kSurfaceDataAlignment;
result->data_.reset(
@@ -53,7 +57,7 @@ std::unique_ptr<GRSurface> GRSurface::Create(int width, int height, int row_byte
}
std::unique_ptr<GRSurface> GRSurface::Clone() const {
- auto result = GRSurface::Create(width, height, row_bytes, pixel_bytes, data_size_);
+ auto result = GRSurface::Create(width, height, row_bytes, pixel_bytes);
if (!result) return nullptr;
memcpy(result->data(), data(), data_size_);
return result;
@@ -189,7 +193,7 @@ int res_create_display_surface(const char* name, GRSurface** pSurface) {
png_uint_32 width = png_handler.width();
png_uint_32 height = png_handler.height();
- auto surface = GRSurface::Create(width, height, width * 4, 4, width * height * 4);
+ auto surface = GRSurface::Create(width, height, width * 4, 4);
if (!surface) {
return -8;
}
@@ -259,9 +263,7 @@ int res_create_multi_display_surface(const char* name, int* frames, int* fps,
goto exit;
}
for (int i = 0; i < *frames; ++i) {
- auto height_per_frame = height / *frames;
- auto created_surface =
- GRSurface::Create(width, height_per_frame, width * 4, 4, width * height_per_frame * 4);
+ auto created_surface = GRSurface::Create(width, height / *frames, width * 4, 4);
if (!created_surface) {
result = -8;
goto exit;
@@ -309,7 +311,7 @@ int res_create_alpha_surface(const char* name, GRSurface** pSurface) {
png_uint_32 width = png_handler.width();
png_uint_32 height = png_handler.height();
- auto surface = GRSurface::Create(width, height, width, 1, width * height);
+ auto surface = GRSurface::Create(width, height, width, 1);
if (!surface) {
return -8;
}
@@ -415,7 +417,7 @@ int res_create_localized_alpha_surface(const char* name,
if (y + 1 + h >= height || matches_locale(loc, locale)) {
printf(" %20s: %s (%d x %d @ %d)\n", name, loc, w, h, y);
- auto surface = GRSurface::Create(w, h, w, 1, w * h);
+ auto surface = GRSurface::Create(w, h, w, 1);
if (!surface) {
return -8;
}