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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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10
client/renderers/EGL/cursor.c
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@@ -57,7 +57,7 @@ struct EGL_Cursor
// cursor state
bool visible;
float x, y, w, h;
int rotate;
LG_RendererRotate rotate;
int cbMode;
struct CursorTex norm;
@@ -170,8 +170,7 @@ void egl_cursor_free(EGL_Cursor ** cursor)
}
bool egl_cursor_set_shape(EGL_Cursor * cursor, const LG_RendererCursor type,
const int width, const int height, const LG_RendererRotate rotate,
const int stride, const uint8_t * data)
const int width, const int height, const int stride, const uint8_t * data)
{
LG_LOCK(cursor->lock);
@@ -179,7 +178,6 @@ bool egl_cursor_set_shape(EGL_Cursor * cursor, const LG_RendererCursor type,
cursor->width = width;
cursor->height = (type == LG_CURSOR_MONOCHROME ? height / 2 : height);
cursor->stride = stride;
cursor->rotate = rotate;
const size_t size = height * stride;
if (size > cursor->dataSize)
@@ -217,7 +215,7 @@ void egl_cursor_set_state(EGL_Cursor * cursor, const bool visible, const float x
cursor->y = y;
}
void egl_cursor_render(EGL_Cursor * cursor)
void egl_cursor_render(EGL_Cursor * cursor, LG_RendererRotate rotate)
{
if (!cursor->visible)
return;
@@ -270,6 +268,8 @@ void egl_cursor_render(EGL_Cursor * cursor)
LG_UNLOCK(cursor->lock);
}
cursor->rotate = rotate;
glEnable(GL_BLEND);
switch(cursor->type)
{