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[client] all: properly support guest rotation

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If the guest has it's output rotated (ie, landscape) we must rotate and
translate the pointer draw location, as well as all the translations of
cursor coordinate spaces based on the rotation, along with any local
rotations that may also be applied.
This commit is contained in:
Geoffrey McRae
2021-01-19 02:44:56 +11:00
parent 733bbf5153
commit 8a1578230f
9 changed files with 340 additions and 152 deletions
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120
client/renderers/EGL/egl.c
View File

@@ -80,8 +80,9 @@ struct Inst
bool useCloseFlag;
bool closeFlag;
int width, height;
LG_RendererRect destRect;
int width, height;
LG_RendererRect destRect;
LG_RendererRotate rotate; //client side rotation
float translateX , translateY;
float scaleX , scaleY;
@@ -263,12 +264,83 @@ void egl_on_restart(void * opaque)
this->start = false;
}
void egl_on_resize(void * opaque, const int width, const int height, const LG_RendererRect destRect)
static void egl_calc_mouse_size(struct Inst * this)
{
int w, h;
switch(this->format.rotate)
{
case LG_ROTATE_0:
case LG_ROTATE_180:
this->mouseScaleX = 2.0f / this->format.width;
this->mouseScaleY = 2.0f / this->format.height;
w = this->format.width;
h = this->format.height;
break;
case LG_ROTATE_90:
case LG_ROTATE_270:
this->mouseScaleX = 2.0f / this->format.height;
this->mouseScaleY = 2.0f / this->format.width;
w = this->format.height;
h = this->format.width;
break;
}
switch((this->format.rotate + this->rotate) % LG_ROTATE_MAX)
{
case LG_ROTATE_0:
case LG_ROTATE_180:
egl_cursor_set_size(this->cursor,
(this->mouseWidth * (1.0f / w)) * this->scaleX,
(this->mouseHeight * (1.0f / h)) * this->scaleY
);
break;
case LG_ROTATE_90:
case LG_ROTATE_270:
egl_cursor_set_size(this->cursor,
(this->mouseWidth * (1.0f / w)) * this->scaleY,
(this->mouseHeight * (1.0f / h)) * this->scaleX
);
break;
}
}
static void egl_calc_mouse_state(struct Inst * this)
{
switch((this->format.rotate + this->rotate) % LG_ROTATE_MAX)
{
case LG_ROTATE_0:
case LG_ROTATE_180:
egl_cursor_set_state(
this->cursor,
this->cursorVisible,
(((float)this->cursorX * this->mouseScaleX) - 1.0f) * this->scaleX,
(((float)this->cursorY * this->mouseScaleY) - 1.0f) * this->scaleY
);
break;
case LG_ROTATE_90:
case LG_ROTATE_270:
egl_cursor_set_state(
this->cursor,
this->cursorVisible,
(((float)this->cursorX * this->mouseScaleX) - 1.0f) * this->scaleY,
(((float)this->cursorY * this->mouseScaleY) - 1.0f) * this->scaleX
);
break;
}
}
void egl_on_resize(void * opaque, const int width, const int height,
const LG_RendererRect destRect, LG_RendererRotate rotate)
{
struct Inst * this = (struct Inst *)opaque;
this->width = width;
this->height = height;
this->rotate = rotate;
memcpy(&this->destRect, &destRect, sizeof(LG_RendererRect));
glViewport(0, 0, width, height);
@@ -281,31 +353,22 @@ void egl_on_resize(void * opaque, const int width, const int height, const LG_Re
this->scaleY = (float)destRect.h / (float)height;
}
this->mouseScaleX = 2.0f / this->format.width ;
this->mouseScaleY = 2.0f / this->format.height;
egl_cursor_set_size(this->cursor,
(this->mouseWidth * (1.0f / this->format.width )) * this->scaleX,
(this->mouseHeight * (1.0f / this->format.height)) * this->scaleY
);
egl_calc_mouse_size(this);
this->splashRatio = (float)width / (float)height;
this->screenScaleX = 1.0f / width;
this->screenScaleY = 1.0f / height;
egl_cursor_set_state(
this->cursor,
this->cursorVisible,
(((float)this->cursorX * this->mouseScaleX) - 1.0f) * this->scaleX,
(((float)this->cursorY * this->mouseScaleY) - 1.0f) * this->scaleY
);
egl_calc_mouse_state(this);
}
bool egl_on_mouse_shape(void * opaque, const LG_RendererCursor cursor,
const int width, const int height, const LG_RendererRotate rotate,
const int width, const int height,
const int pitch, const uint8_t * data)
{
struct Inst * this = (struct Inst *)opaque;
if (!egl_cursor_set_shape(this->cursor, cursor, width, height, rotate, pitch, data))
if (!egl_cursor_set_shape(this->cursor, cursor, width, height, pitch, data))
{
DEBUG_ERROR("Failed to update the cursor shape");
return false;
@@ -313,10 +376,7 @@ bool egl_on_mouse_shape(void * opaque, const LG_RendererCursor cursor,
this->mouseWidth = width;
this->mouseHeight = height;
egl_cursor_set_size(this->cursor,
(this->mouseWidth * (1.0f / this->format.width )) * this->scaleX,
(this->mouseHeight * (1.0f / this->format.height)) * this->scaleY
);
egl_calc_mouse_size(this);
return true;
}
@@ -327,14 +387,7 @@ bool egl_on_mouse_event(void * opaque, const bool visible, const int x, const in
this->cursorVisible = visible;
this->cursorX = x;
this->cursorY = y;
egl_cursor_set_state(
this->cursor,
this->cursorVisible,
(((float)this->cursorX * this->mouseScaleX) - 1.0f) * this->scaleX,
(((float)this->cursorY * this->mouseScaleY) - 1.0f) * this->scaleY
);
egl_calc_mouse_state(this);
return true;
}
@@ -621,7 +674,7 @@ bool egl_render_startup(void * opaque, SDL_Window * window)
return true;
}
bool egl_render(void * opaque, SDL_Window * window)
bool egl_render(void * opaque, SDL_Window * window, LG_RendererRotate rotate)
{
struct Inst * this = (struct Inst *)opaque;
@@ -631,7 +684,8 @@ bool egl_render(void * opaque, SDL_Window * window)
if (this->start && egl_desktop_render(this->desktop,
this->translateX, this->translateY,
this->scaleX , this->scaleY ,
this->useNearest))
this->useNearest,
rotate))
{
if (!this->waitFadeTime)
{
@@ -640,7 +694,9 @@ bool egl_render(void * opaque, SDL_Window * window)
else
this->waitDone = true;
}
egl_cursor_render(this->cursor);
egl_cursor_render(this->cursor,
(this->format.rotate + rotate) % LG_ROTATE_MAX);
}
if (!this->waitDone)