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sdl2: add scanout_disable support 

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1487669841-13668-6-git-send-email-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2017-02-21 10:37:20 +01:00
parent 46ffd0c031
commit db6cdfbeba
3 changed files with 13 additions and 5 deletions
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1
include/ui/sdl2.h
View File

@ -62,6 +62,7 @@ int sdl2_gl_make_context_current(DisplayChangeListener *dcl,
QEMUGLContext ctx); QEMUGLContext ctx);
QEMUGLContext sdl2_gl_get_current_context(DisplayChangeListener *dcl); QEMUGLContext sdl2_gl_get_current_context(DisplayChangeListener *dcl);
void sdl2_gl_scanout_disable(DisplayChangeListener *dcl);
void sdl2_gl_scanout_texture(DisplayChangeListener *dcl, void sdl2_gl_scanout_texture(DisplayChangeListener *dcl,
uint32_t backing_id, uint32_t backing_id,
bool backing_y_0_top, bool backing_y_0_top,

16
ui/sdl2-gl.c
View File

@ -184,6 +184,17 @@ QEMUGLContext sdl2_gl_get_current_context(DisplayChangeListener *dcl)
return (QEMUGLContext)sdlctx; return (QEMUGLContext)sdlctx;
} }
void sdl2_gl_scanout_disable(DisplayChangeListener *dcl)
{
struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
assert(scon->opengl);
scon->w = 0;
scon->h = 0;
scon->tex_id = 0;
sdl2_set_scanout_mode(scon, false);
}
void sdl2_gl_scanout_texture(DisplayChangeListener *dcl, void sdl2_gl_scanout_texture(DisplayChangeListener *dcl,
uint32_t backing_id, uint32_t backing_id,
bool backing_y_0_top, bool backing_y_0_top,
@ -204,11 +215,6 @@ void sdl2_gl_scanout_texture(DisplayChangeListener *dcl,
SDL_GL_MakeCurrent(scon->real_window, scon->winctx); SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
if (scon->tex_id == 0 || scon->w == 0 || scon->h == 0) {
sdl2_set_scanout_mode(scon, false);
return;
}
sdl2_set_scanout_mode(scon, true); sdl2_set_scanout_mode(scon, true);
if (!scon->fbo_id) { if (!scon->fbo_id) {
glGenFramebuffers(1, &scon->fbo_id); glGenFramebuffers(1, &scon->fbo_id);

1
ui/sdl2.c
View File

@ -733,6 +733,7 @@ static const DisplayChangeListenerOps dcl_gl_ops = {
.dpy_gl_ctx_destroy = sdl2_gl_destroy_context, .dpy_gl_ctx_destroy = sdl2_gl_destroy_context,
.dpy_gl_ctx_make_current = sdl2_gl_make_context_current, .dpy_gl_ctx_make_current = sdl2_gl_make_context_current,
.dpy_gl_ctx_get_current = sdl2_gl_get_current_context, .dpy_gl_ctx_get_current = sdl2_gl_get_current_context,
.dpy_gl_scanout_disable = sdl2_gl_scanout_disable,
.dpy_gl_scanout_texture = sdl2_gl_scanout_texture, .dpy_gl_scanout_texture = sdl2_gl_scanout_texture,
.dpy_gl_update = sdl2_gl_scanout_flush, .dpy_gl_update = sdl2_gl_scanout_flush,
}; };