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videoctrl: add one more cursor rendering callback.

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This commit is contained in:
Maxim Poliakovski 2024-01-19 23:41:10 +01:00
parent bf425884fb
commit a68afbf79a
4 changed files with 23 additions and 24 deletions
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7
devices/video/display.h
View File

@ -41,10 +41,13 @@ public:
// Clears the display
void blank();
void update(std::function<void(uint8_t *dst_buf, int dst_pitch)> convert_fb_cb, bool draw_hw_cursor, int cursor_x, int cursor_y);
void update(std::function<void(uint8_t *dst_buf, int dst_pitch)> convert_fb_cb,
std::function<void(uint8_t *dst_buf, int dst_pitch)> cursor_ovl_cb,
bool draw_hw_cursor, int cursor_x, int cursor_y);
void handle_events(const WindowEvent& wnd_event);
void setup_hw_cursor(std::function<void(uint8_t *dst_buf, int dst_pitch)> draw_hw_cursor, int cursor_width, int cursor_height);
void setup_hw_cursor(std::function<void(uint8_t *dst_buf, int dst_pitch)> draw_hw_cursor,
int cursor_width, int cursor_height);
private:
class Impl; // Holds private fields
std::unique_ptr<Impl> impl;

35
devices/video/display_sdl.cpp
View File

@ -38,21 +38,17 @@ Display::Display(): impl(std::make_unique<Impl>()) {
}
Display::~Display() {
if (impl->cursor_texture) {
if (impl->cursor_texture)
SDL_DestroyTexture(impl->cursor_texture);
}
if (impl->disp_texture) {
if (impl->disp_texture)
SDL_DestroyTexture(impl->disp_texture);
}
if (impl->renderer) {
if (impl->renderer)
SDL_DestroyRenderer(impl->renderer);
}
if (impl->display_wnd) {
if (impl->display_wnd)
SDL_DestroyWindow(impl->display_wnd);
}
}
bool Display::configure(int width, int height) {
@ -68,14 +64,12 @@ bool Display::configure(int width, int height) {
);
impl->disp_wnd_id = SDL_GetWindowID(impl->display_wnd);
if (impl->display_wnd == NULL) {
if (impl->display_wnd == NULL)
ABORT_F("Display: SDL_CreateWindow failed with %s", SDL_GetError());
}
impl->renderer = SDL_CreateRenderer(impl->display_wnd, -1, SDL_RENDERER_ACCELERATED);
if (impl->renderer == NULL) {
if (impl->renderer == NULL)
ABORT_F("Display: SDL_CreateRenderer failed with %s", SDL_GetError());
}
is_initialization = true;
} else { // resize display window
@ -83,9 +77,8 @@ bool Display::configure(int width, int height) {
impl->resizing = true;
}
if (impl->disp_texture) {
if (impl->disp_texture)
SDL_DestroyTexture(impl->disp_texture);
}
impl->disp_texture = SDL_CreateTexture(
impl->renderer,
@ -94,9 +87,8 @@ bool Display::configure(int width, int height) {
width, height
);
if (impl->disp_texture == NULL) {
if (impl->disp_texture == NULL)
ABORT_F("Display: SDL_CreateTexture failed with %s", SDL_GetError());
}
return is_initialization;
}
@ -114,6 +106,7 @@ void Display::blank() {
}
void Display::update(std::function<void(uint8_t *dst_buf, int dst_pitch)> convert_fb_cb,
std::function<void(uint8_t *dst_buf, int dst_pitch)> cursor_ovl_cb,
bool draw_hw_cursor, int cursor_x, int cursor_y) {
if (impl->resizing)
return;
@ -126,6 +119,10 @@ void Display::update(std::function<void(uint8_t *dst_buf, int dst_pitch)> conver
// texture update callback to get ARGB data from guest framebuffer
convert_fb_cb(dst_buf, dst_pitch);
// overlay cursor data if requested
if (cursor_ovl_cb != nullptr)
cursor_ovl_cb(dst_buf, dst_pitch);
SDL_UnlockTexture(impl->disp_texture);
SDL_RenderClear(impl->renderer);
SDL_RenderCopy(impl->renderer, impl->disp_texture, NULL, NULL);
@ -145,9 +142,8 @@ void Display::setup_hw_cursor(std::function<void(uint8_t *dst_buf, int dst_pitch
uint8_t* dst_buf;
int dst_pitch;
if (impl->cursor_texture) {
if (impl->cursor_texture)
SDL_DestroyTexture(impl->cursor_texture);
}
impl->cursor_texture = SDL_CreateTexture(
impl->renderer,
@ -156,9 +152,8 @@ void Display::setup_hw_cursor(std::function<void(uint8_t *dst_buf, int dst_pitch
cursor_width, cursor_height
);
if (impl->cursor_texture == NULL) {
if (impl->cursor_texture == NULL)
ABORT_F("SDL_CreateTexture for HW cursor failed with %s", SDL_GetError());
}
SDL_LockTexture(impl->cursor_texture, NULL, (void **)&dst_buf, &dst_pitch);
SDL_SetTextureBlendMode(impl->cursor_texture, SDL_BLENDMODE_BLEND);

2
devices/video/videoctrl.cpp
View File

@ -74,7 +74,7 @@ void VideoCtrlBase::update_screen()
}
this->display.update(
this->convert_fb_cb,
this->convert_fb_cb, this->cursor_ovl_cb,
this->cursor_on, cursor_x, cursor_y);
}

3
devices/video/videoctrl.h
View File

@ -101,7 +101,8 @@ protected:
this->int_ctrl->ack_int(this->irq_id, irq_line_state);
};
std::function<void(uint8_t *dst_buf, int dst_pitch)> convert_fb_cb;
std::function<void(uint8_t *dst_buf, int dst_pitch)> convert_fb_cb = nullptr;
std::function<void(uint8_t *dst_buf, int dst_pitch)> cursor_ovl_cb = nullptr;
private:
Display display;