glamor_getimage: Use glamor_download_sub_pixmap_to_cpu to get image.
Reduce the duplicate logic. Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
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3a91f16912
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@ -44,6 +44,8 @@ _glamor_get_image(DrawablePtr drawable, int x, int y, int w, int h,
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glamor_gl_dispatch * dispatch;
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Bool ret = FALSE;
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int swap_rb;
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int stride;
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void *data;
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if (format != ZPixmap)
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goto fall_back;
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@ -63,71 +65,17 @@ _glamor_get_image(DrawablePtr drawable, int x, int y, int w, int h,
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if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv))
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goto fall_back;
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if (glamor_get_tex_format_type_from_pixmap(pixmap,
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&tex_format,
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&tex_type,
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&no_alpha,
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&revert,
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&swap_rb,
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0)) {
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glamor_fallback("unknown depth. %d \n", drawable->depth);
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goto fall_back;
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}
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if (revert > REVERT_NORMAL)
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goto fall_back;
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glamor_set_destination_pixmap_priv_nc(pixmap_priv);
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glamor_validate_pixmap(pixmap);
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stride = PixmapBytePad(w, drawable->depth);
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x += drawable->x + x_off;
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y += drawable->y + y_off;
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if (glamor_priv->gl_flavor == GLAMOR_GL_ES2
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&& ( swap_rb != SWAP_NONE_DOWNLOADING
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|| revert != REVERT_NONE)) {
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temp_fbo =
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glamor_es2_pixmap_read_prepare(pixmap, x, y, w, h, tex_format,
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tex_type, no_alpha,
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revert, swap_rb);
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if (temp_fbo == NULL) {
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x -= (drawable->x + x_off);
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y -= (drawable->y + y_off);
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goto fall_back;
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}
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x = 0;
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y = 0;
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data = glamor_download_sub_pixmap_to_cpu(pixmap, x, y, w, h, stride,
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d, 0, GLAMOR_ACCESS_RO);
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if (data != NULL) {
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ret = TRUE;
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assert(data == d);
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}
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dispatch = glamor_get_dispatch(glamor_priv);
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if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP) {
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int row_length = PixmapBytePad(w, drawable->depth);
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row_length = (row_length * 8) / drawable->bitsPerPixel;
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dispatch->glPixelStorei(GL_PACK_ALIGNMENT, 1);
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dispatch->glPixelStorei(GL_PACK_ROW_LENGTH, row_length);
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} else {
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dispatch->glPixelStorei(GL_PACK_ALIGNMENT, 4);
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}
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if (glamor_priv->yInverted)
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dispatch->glReadPixels(x,
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y,
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w, h,
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tex_format,
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tex_type, d);
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else
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dispatch->glReadPixels(x,
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pixmap->drawable.height - 1 - y,
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w,
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h,
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tex_format,
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tex_type, d);
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glamor_put_dispatch(glamor_priv);
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if (temp_fbo)
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glamor_destroy_fbo(temp_fbo);
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ret = TRUE;
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fall_back:
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if (ret == FALSE)
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miGetImage(drawable, x, y, w, h, format, planeMask, d);
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@ -605,6 +605,11 @@ void glamor_pixmap_fini(ScreenPtr screen);
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Bool glamor_download_pixmap_to_cpu(PixmapPtr pixmap,
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glamor_access_t access);
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void *
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glamor_download_sub_pixmap_to_cpu(PixmapPtr pixmap, int x, int y, int w, int h,
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int stride, void *bits, int pbo, glamor_access_t access);
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/**
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* Restore a pixmap's data which is downloaded by
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* glamor_download_pixmap_to_cpu to its original
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