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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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7
client/renderers/EGL/desktop.c
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@@ -204,7 +204,6 @@ bool egl_desktop_setup(EGL_Desktop * desktop, const LG_RendererFormat format, bo
desktop->width = format.width;
desktop->height = format.height;
desktop->rotate = format.rotate;
if (!egl_texture_setup(
desktop->texture,
@@ -246,7 +245,9 @@ bool egl_desktop_update(EGL_Desktop * desktop, const FrameBuffer * frame, int dm
return true;
}
bool egl_desktop_render(EGL_Desktop * desktop, const float x, const float y, const float scaleX, const float scaleY, const bool nearest)
bool egl_desktop_render(EGL_Desktop * desktop, const float x, const float y,
const float scaleX, const float scaleY, const bool nearest,
LG_RendererRotate rotate)
{
if (!desktop->shader)
return false;
@@ -254,7 +255,7 @@ bool egl_desktop_render(EGL_Desktop * desktop, const float x, const float y, con
const struct DesktopShader * shader = desktop->shader;
egl_shader_use(shader->shader);
glUniform4f(shader->uDesktopPos , x, y, scaleX, scaleY);
glUniform1i(shader->uRotate , desktop->rotate);
glUniform1i(shader->uRotate , rotate);
glUniform1i(shader->uNearest , nearest ? 1 : 0);
glUniform2f(shader->uDesktopSize, desktop->width, desktop->height);