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| author | Chen Zhang <tgfbeta@me.com> | 2019-01-25 15:47:23 +0800 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2019-02-05 10:45:44 +0100 |
| commit | 051a0cde7b0a0dda9eef166f9aecd09dfc0a00cf (patch) | |
| tree | c66249ebe2ec6af6bc8f6762c369f6becb6e1736 /ui/egl-helpers.c | |
| parent | 5e24600a7c1cb530c0fed3c699c4d08f16d69b8e (diff) | |
| download | qemu-051a0cde7b0a0dda9eef166f9aecd09dfc0a00cf.zip qemu-051a0cde7b0a0dda9eef166f9aecd09dfc0a00cf.tar.gz qemu-051a0cde7b0a0dda9eef166f9aecd09dfc0a00cf.tar.bz2 | |
ui/egl-helpers: Augment parameter list of egl_texture_blend() to convey scales of viewport
This would help gtk-egl display showing scaled DMABuf cursor images when
gtk window was zoomed. A default scale of (1.0, 1.0) was presumed for
call sites where no scaling is needed.
Signed-off-by: Chen Zhang <tgfbeta@me.com>
Message-id: 23B229B3-3095-4DFB-8369-866784808D30@me.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'ui/egl-helpers.c')
| -rw-r--r-- | ui/egl-helpers.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/ui/egl-helpers.c b/ui/egl-helpers.c index 5e115b3..e90eef8 100644 --- a/ui/egl-helpers.c +++ b/ui/egl-helpers.c @@ -120,14 +120,15 @@ void egl_texture_blit(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool flip) } void egl_texture_blend(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool flip, - int x, int y) + int x, int y, double scale_x, double scale_y) { glBindFramebuffer(GL_FRAMEBUFFER_EXT, dst->framebuffer); + int w = scale_x * src->width; + int h = scale_y * src->height; if (flip) { - glViewport(x, y, src->width, src->height); + glViewport(x, y, w, h); } else { - glViewport(x, dst->height - src->height - y, - src->width, src->height); + glViewport(x, dst->height - h - y, w, h); } glEnable(GL_TEXTURE_2D); glBindTexture(GL_TEXTURE_2D, src->texture); |